Dhaval Patel | 14d46ce | 2017-01-17 16:28:12 -0800 | [diff] [blame] | 1 | /* |
Raviteja Tamatam | 30fa3e3 | 2018-01-04 21:00:22 +0530 | [diff] [blame] | 2 | * Copyright (c) 2014-2018, The Linux Foundation. All rights reserved. |
Dhaval Patel | 14d46ce | 2017-01-17 16:28:12 -0800 | [diff] [blame] | 3 | * Copyright (C) 2013 Red Hat |
| 4 | * Author: Rob Clark <robdclark@gmail.com> |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 5 | * |
Dhaval Patel | 14d46ce | 2017-01-17 16:28:12 -0800 | [diff] [blame] | 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License version 2 as published by |
| 8 | * the Free Software Foundation. |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 9 | * |
Dhaval Patel | 14d46ce | 2017-01-17 16:28:12 -0800 | [diff] [blame] | 10 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 13 | * more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along with |
| 16 | * this program. If not, see <http://www.gnu.org/licenses/>. |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 17 | */ |
| 18 | |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 19 | #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__ |
| 20 | |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 21 | #include <drm/drm_crtc.h> |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 22 | #include <linux/debugfs.h> |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 23 | #include <linux/of_address.h> |
Dhaval Patel | 04c7e8e | 2016-09-26 20:14:31 -0700 | [diff] [blame] | 24 | #include <linux/of_irq.h> |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 25 | #include <linux/dma-buf.h> |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 26 | #include <linux/memblock.h> |
| 27 | #include <linux/bootmem.h> |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 28 | |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 29 | #include "msm_drv.h" |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 30 | #include "msm_mmu.h" |
Clarence Ip | d02440b | 2017-05-21 18:10:01 -0400 | [diff] [blame] | 31 | #include "msm_gem.h" |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 32 | |
| 33 | #include "dsi_display.h" |
| 34 | #include "dsi_drm.h" |
| 35 | #include "sde_wb.h" |
Padmanabhan Komanduru | 6375861 | 2017-05-23 01:47:18 -0700 | [diff] [blame] | 36 | #include "dp_display.h" |
| 37 | #include "dp_drm.h" |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 38 | |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 39 | #include "sde_kms.h" |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame] | 40 | #include "sde_core_irq.h" |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 41 | #include "sde_formats.h" |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 42 | #include "sde_hw_vbif.h" |
Alan Kwong | 83285fb | 2016-10-21 20:51:17 -0400 | [diff] [blame] | 43 | #include "sde_vbif.h" |
| 44 | #include "sde_encoder.h" |
| 45 | #include "sde_plane.h" |
| 46 | #include "sde_crtc.h" |
Gopikrishnaiah Anandan | 7e3e3f5 | 2016-12-22 11:13:05 -0800 | [diff] [blame] | 47 | #include "sde_reg_dma.h" |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 48 | |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 49 | #include <soc/qcom/scm.h> |
| 50 | #include "soc/qcom/secure_buffer.h" |
| 51 | |
Alan Kwong | 1a00e4d | 2016-07-18 09:42:30 -0400 | [diff] [blame] | 52 | #define CREATE_TRACE_POINTS |
| 53 | #include "sde_trace.h" |
| 54 | |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 55 | /* defines for secure channel call */ |
| 56 | #define SEC_SID_CNT 2 |
| 57 | #define SEC_SID_MASK_0 0x80881 |
| 58 | #define SEC_SID_MASK_1 0x80C81 |
| 59 | #define MEM_PROTECT_SD_CTRL_SWITCH 0x18 |
| 60 | #define MDP_DEVICE_ID 0x1A |
| 61 | |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 62 | static const char * const iommu_ports[] = { |
| 63 | "mdp_0", |
| 64 | }; |
| 65 | |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 66 | /** |
| 67 | * Controls size of event log buffer. Specified as a power of 2. |
| 68 | */ |
| 69 | #define SDE_EVTLOG_SIZE 1024 |
| 70 | |
| 71 | /* |
| 72 | * To enable overall DRM driver logging |
| 73 | * # echo 0x2 > /sys/module/drm/parameters/debug |
| 74 | * |
| 75 | * To enable DRM driver h/w logging |
Dhaval Patel | 6c66662 | 2017-03-21 23:02:59 -0700 | [diff] [blame] | 76 | * # echo <mask> > /sys/kernel/debug/dri/0/debug/hw_log_mask |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 77 | * |
| 78 | * See sde_hw_mdss.h for h/w logging mask definitions (search for SDE_DBG_MASK_) |
| 79 | */ |
| 80 | #define SDE_DEBUGFS_DIR "msm_sde" |
| 81 | #define SDE_DEBUGFS_HWMASKNAME "hw_log_mask" |
| 82 | |
Clarence Ip | dd39524 | 2016-09-09 10:47:17 -0400 | [diff] [blame] | 83 | /** |
| 84 | * sdecustom - enable certain driver customizations for sde clients |
| 85 | * Enabling this modifies the standard DRM behavior slightly and assumes |
| 86 | * that the clients have specific knowledge about the modifications that |
| 87 | * are involved, so don't enable this unless you know what you're doing. |
| 88 | * |
| 89 | * Parts of the driver that are affected by this setting may be located by |
| 90 | * searching for invocations of the 'sde_is_custom_client()' function. |
| 91 | * |
| 92 | * This is disabled by default. |
| 93 | */ |
Clarence Ip | b1b3c80 | 2016-10-03 16:49:38 -0400 | [diff] [blame] | 94 | static bool sdecustom = true; |
Clarence Ip | dd39524 | 2016-09-09 10:47:17 -0400 | [diff] [blame] | 95 | module_param(sdecustom, bool, 0400); |
| 96 | MODULE_PARM_DESC(sdecustom, "Enable customizations for sde clients"); |
| 97 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 98 | static int sde_kms_hw_init(struct msm_kms *kms); |
| 99 | static int _sde_kms_mmu_destroy(struct sde_kms *sde_kms); |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 100 | static int _sde_kms_mmu_init(struct sde_kms *sde_kms); |
Gopikrishnaiah Anandan | de2c81b | 2017-03-15 12:41:29 -0700 | [diff] [blame] | 101 | static int _sde_kms_register_events(struct msm_kms *kms, |
| 102 | struct drm_mode_object *obj, u32 event, bool en); |
Clarence Ip | dd39524 | 2016-09-09 10:47:17 -0400 | [diff] [blame] | 103 | bool sde_is_custom_client(void) |
| 104 | { |
| 105 | return sdecustom; |
| 106 | } |
| 107 | |
Veera Sundaram Sankaran | 1fb97e7 | 2018-04-10 15:53:12 -0700 | [diff] [blame] | 108 | bool sde_kms_is_vbif_operation_allowed(struct sde_kms *sde_kms) |
| 109 | { |
| 110 | struct drm_device *dev; |
| 111 | struct drm_crtc *crtc; |
| 112 | bool sui_enhancement = false; |
| 113 | |
| 114 | if (!sde_kms || !sde_kms->dev) |
| 115 | return false; |
| 116 | dev = sde_kms->dev; |
| 117 | |
| 118 | if (!sde_kms->catalog->sui_misr_supported) |
| 119 | return true; |
| 120 | |
| 121 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
| 122 | if (!crtc->state || !crtc->state->active) |
| 123 | continue; |
| 124 | |
| 125 | sui_enhancement |= sde_crtc_is_sui_enhancement_enabled(crtc); |
| 126 | } |
| 127 | |
| 128 | if (!sui_enhancement) |
| 129 | return true; |
| 130 | |
| 131 | return !sde_kms_is_secure_session_inprogress(sde_kms); |
| 132 | } |
| 133 | |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 134 | #ifdef CONFIG_DEBUG_FS |
| 135 | static int _sde_danger_signal_status(struct seq_file *s, |
| 136 | bool danger_status) |
| 137 | { |
| 138 | struct sde_kms *kms = (struct sde_kms *)s->private; |
| 139 | struct msm_drm_private *priv; |
| 140 | struct sde_danger_safe_status status; |
| 141 | int i; |
Alan Kwong | 1124f1f | 2017-11-10 18:14:39 -0500 | [diff] [blame] | 142 | int rc; |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 143 | |
| 144 | if (!kms || !kms->dev || !kms->dev->dev_private || !kms->hw_mdp) { |
| 145 | SDE_ERROR("invalid arg(s)\n"); |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | priv = kms->dev->dev_private; |
| 150 | memset(&status, 0, sizeof(struct sde_danger_safe_status)); |
| 151 | |
Alan Kwong | 1124f1f | 2017-11-10 18:14:39 -0500 | [diff] [blame] | 152 | rc = sde_power_resource_enable(&priv->phandle, kms->core_client, true); |
| 153 | if (rc) { |
| 154 | SDE_ERROR("failed to enable power resource %d\n", rc); |
| 155 | SDE_EVT32(rc, SDE_EVTLOG_ERROR); |
| 156 | return rc; |
| 157 | } |
| 158 | |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 159 | if (danger_status) { |
| 160 | seq_puts(s, "\nDanger signal status:\n"); |
| 161 | if (kms->hw_mdp->ops.get_danger_status) |
| 162 | kms->hw_mdp->ops.get_danger_status(kms->hw_mdp, |
| 163 | &status); |
| 164 | } else { |
| 165 | seq_puts(s, "\nSafe signal status:\n"); |
| 166 | if (kms->hw_mdp->ops.get_danger_status) |
| 167 | kms->hw_mdp->ops.get_danger_status(kms->hw_mdp, |
| 168 | &status); |
| 169 | } |
| 170 | sde_power_resource_enable(&priv->phandle, kms->core_client, false); |
| 171 | |
| 172 | seq_printf(s, "MDP : 0x%x\n", status.mdp); |
| 173 | |
| 174 | for (i = SSPP_VIG0; i < SSPP_MAX; i++) |
| 175 | seq_printf(s, "SSPP%d : 0x%x \t", i - SSPP_VIG0, |
| 176 | status.sspp[i]); |
| 177 | seq_puts(s, "\n"); |
| 178 | |
| 179 | for (i = WB_0; i < WB_MAX; i++) |
| 180 | seq_printf(s, "WB%d : 0x%x \t", i - WB_0, |
| 181 | status.wb[i]); |
| 182 | seq_puts(s, "\n"); |
| 183 | |
| 184 | return 0; |
| 185 | } |
| 186 | |
| 187 | #define DEFINE_SDE_DEBUGFS_SEQ_FOPS(__prefix) \ |
| 188 | static int __prefix ## _open(struct inode *inode, struct file *file) \ |
| 189 | { \ |
| 190 | return single_open(file, __prefix ## _show, inode->i_private); \ |
| 191 | } \ |
| 192 | static const struct file_operations __prefix ## _fops = { \ |
| 193 | .owner = THIS_MODULE, \ |
| 194 | .open = __prefix ## _open, \ |
| 195 | .release = single_release, \ |
| 196 | .read = seq_read, \ |
| 197 | .llseek = seq_lseek, \ |
| 198 | } |
| 199 | |
| 200 | static int sde_debugfs_danger_stats_show(struct seq_file *s, void *v) |
| 201 | { |
| 202 | return _sde_danger_signal_status(s, true); |
| 203 | } |
| 204 | DEFINE_SDE_DEBUGFS_SEQ_FOPS(sde_debugfs_danger_stats); |
| 205 | |
| 206 | static int sde_debugfs_safe_stats_show(struct seq_file *s, void *v) |
| 207 | { |
| 208 | return _sde_danger_signal_status(s, false); |
| 209 | } |
| 210 | DEFINE_SDE_DEBUGFS_SEQ_FOPS(sde_debugfs_safe_stats); |
| 211 | |
| 212 | static void sde_debugfs_danger_destroy(struct sde_kms *sde_kms) |
| 213 | { |
| 214 | debugfs_remove_recursive(sde_kms->debugfs_danger); |
| 215 | sde_kms->debugfs_danger = NULL; |
| 216 | } |
| 217 | |
| 218 | static int sde_debugfs_danger_init(struct sde_kms *sde_kms, |
| 219 | struct dentry *parent) |
| 220 | { |
| 221 | sde_kms->debugfs_danger = debugfs_create_dir("danger", |
| 222 | parent); |
| 223 | if (!sde_kms->debugfs_danger) { |
| 224 | SDE_ERROR("failed to create danger debugfs\n"); |
| 225 | return -EINVAL; |
| 226 | } |
| 227 | |
Lloyd Atkinson | 8de415a | 2017-05-23 11:31:16 -0400 | [diff] [blame] | 228 | debugfs_create_file("danger_status", 0600, sde_kms->debugfs_danger, |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 229 | sde_kms, &sde_debugfs_danger_stats_fops); |
Lloyd Atkinson | 8de415a | 2017-05-23 11:31:16 -0400 | [diff] [blame] | 230 | debugfs_create_file("safe_status", 0600, sde_kms->debugfs_danger, |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 231 | sde_kms, &sde_debugfs_safe_stats_fops); |
| 232 | |
| 233 | return 0; |
| 234 | } |
| 235 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 236 | static int _sde_debugfs_show_regset32(struct seq_file *s, void *data) |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 237 | { |
Clarence Ip | aac9f33 | 2016-08-31 15:46:35 -0400 | [diff] [blame] | 238 | struct sde_debugfs_regset32 *regset; |
| 239 | struct sde_kms *sde_kms; |
| 240 | struct drm_device *dev; |
| 241 | struct msm_drm_private *priv; |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 242 | void __iomem *base; |
Clarence Ip | aac9f33 | 2016-08-31 15:46:35 -0400 | [diff] [blame] | 243 | uint32_t i, addr; |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 244 | |
Clarence Ip | aac9f33 | 2016-08-31 15:46:35 -0400 | [diff] [blame] | 245 | if (!s || !s->private) |
| 246 | return 0; |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 247 | |
Clarence Ip | aac9f33 | 2016-08-31 15:46:35 -0400 | [diff] [blame] | 248 | regset = s->private; |
| 249 | |
| 250 | sde_kms = regset->sde_kms; |
| 251 | if (!sde_kms || !sde_kms->mmio) |
| 252 | return 0; |
| 253 | |
| 254 | dev = sde_kms->dev; |
| 255 | if (!dev) |
| 256 | return 0; |
| 257 | |
| 258 | priv = dev->dev_private; |
| 259 | if (!priv) |
| 260 | return 0; |
| 261 | |
| 262 | base = sde_kms->mmio + regset->offset; |
| 263 | |
| 264 | /* insert padding spaces, if needed */ |
| 265 | if (regset->offset & 0xF) { |
| 266 | seq_printf(s, "[%x]", regset->offset & ~0xF); |
| 267 | for (i = 0; i < (regset->offset & 0xF); i += 4) |
| 268 | seq_puts(s, " "); |
| 269 | } |
| 270 | |
| 271 | if (sde_power_resource_enable(&priv->phandle, |
| 272 | sde_kms->core_client, true)) { |
| 273 | seq_puts(s, "failed to enable sde clocks\n"); |
| 274 | return 0; |
| 275 | } |
| 276 | |
| 277 | /* main register output */ |
| 278 | for (i = 0; i < regset->blk_len; i += 4) { |
| 279 | addr = regset->offset + i; |
| 280 | if ((addr & 0xF) == 0x0) |
| 281 | seq_printf(s, i ? "\n[%x]" : "[%x]", addr); |
| 282 | seq_printf(s, " %08x", readl_relaxed(base + i)); |
| 283 | } |
| 284 | seq_puts(s, "\n"); |
| 285 | sde_power_resource_enable(&priv->phandle, sde_kms->core_client, false); |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 286 | |
| 287 | return 0; |
| 288 | } |
| 289 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 290 | static int sde_debugfs_open_regset32(struct inode *inode, |
| 291 | struct file *file) |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 292 | { |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 293 | return single_open(file, _sde_debugfs_show_regset32, inode->i_private); |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | static const struct file_operations sde_fops_regset32 = { |
| 297 | .open = sde_debugfs_open_regset32, |
| 298 | .read = seq_read, |
| 299 | .llseek = seq_lseek, |
| 300 | .release = single_release, |
| 301 | }; |
| 302 | |
| 303 | void sde_debugfs_setup_regset32(struct sde_debugfs_regset32 *regset, |
Clarence Ip | aac9f33 | 2016-08-31 15:46:35 -0400 | [diff] [blame] | 304 | uint32_t offset, uint32_t length, struct sde_kms *sde_kms) |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 305 | { |
| 306 | if (regset) { |
| 307 | regset->offset = offset; |
| 308 | regset->blk_len = length; |
Clarence Ip | aac9f33 | 2016-08-31 15:46:35 -0400 | [diff] [blame] | 309 | regset->sde_kms = sde_kms; |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 310 | } |
| 311 | } |
| 312 | |
| 313 | void *sde_debugfs_create_regset32(const char *name, umode_t mode, |
| 314 | void *parent, struct sde_debugfs_regset32 *regset) |
| 315 | { |
Clarence Ip | aac9f33 | 2016-08-31 15:46:35 -0400 | [diff] [blame] | 316 | if (!name || !regset || !regset->sde_kms || !regset->blk_len) |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 317 | return NULL; |
| 318 | |
| 319 | /* make sure offset is a multiple of 4 */ |
| 320 | regset->offset = round_down(regset->offset, 4); |
| 321 | |
| 322 | return debugfs_create_file(name, mode, parent, |
| 323 | regset, &sde_fops_regset32); |
| 324 | } |
| 325 | |
| 326 | void *sde_debugfs_get_root(struct sde_kms *sde_kms) |
| 327 | { |
Dhaval Patel | 6c66662 | 2017-03-21 23:02:59 -0700 | [diff] [blame] | 328 | struct msm_drm_private *priv; |
| 329 | |
| 330 | if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev_private) |
| 331 | return NULL; |
| 332 | |
| 333 | priv = sde_kms->dev->dev_private; |
| 334 | return priv->debug_root; |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 335 | } |
| 336 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 337 | static int _sde_debugfs_init(struct sde_kms *sde_kms) |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 338 | { |
| 339 | void *p; |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 340 | int rc; |
| 341 | void *debugfs_root; |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 342 | |
| 343 | p = sde_hw_util_get_log_mask_ptr(); |
| 344 | |
| 345 | if (!sde_kms || !p) |
| 346 | return -EINVAL; |
| 347 | |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 348 | debugfs_root = sde_debugfs_get_root(sde_kms); |
| 349 | if (!debugfs_root) |
| 350 | return -EINVAL; |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 351 | |
| 352 | /* allow debugfs_root to be NULL */ |
Lloyd Atkinson | 8de415a | 2017-05-23 11:31:16 -0400 | [diff] [blame] | 353 | debugfs_create_x32(SDE_DEBUGFS_HWMASKNAME, 0600, debugfs_root, p); |
Alan Kwong | cd1c09f | 2016-11-04 20:37:30 -0400 | [diff] [blame] | 354 | |
Lloyd Atkinson | 09e64bf | 2017-04-13 14:09:59 -0700 | [diff] [blame] | 355 | (void) sde_debugfs_danger_init(sde_kms, debugfs_root); |
| 356 | (void) sde_debugfs_vbif_init(sde_kms, debugfs_root); |
| 357 | (void) sde_debugfs_core_irq_init(sde_kms, debugfs_root); |
Alan Kwong | cd1c09f | 2016-11-04 20:37:30 -0400 | [diff] [blame] | 358 | |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 359 | rc = sde_core_perf_debugfs_init(&sde_kms->perf, debugfs_root); |
| 360 | if (rc) { |
| 361 | SDE_ERROR("failed to init perf %d\n", rc); |
| 362 | return rc; |
| 363 | } |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 364 | |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 365 | return 0; |
| 366 | } |
| 367 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 368 | static void _sde_debugfs_destroy(struct sde_kms *sde_kms) |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 369 | { |
| 370 | /* don't need to NULL check debugfs_root */ |
| 371 | if (sde_kms) { |
Alan Kwong | 748e833d | 2016-10-26 12:34:48 -0400 | [diff] [blame] | 372 | sde_debugfs_vbif_destroy(sde_kms); |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 373 | sde_debugfs_danger_destroy(sde_kms); |
Lloyd Atkinson | 09e64bf | 2017-04-13 14:09:59 -0700 | [diff] [blame] | 374 | sde_debugfs_core_irq_destroy(sde_kms); |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 375 | } |
| 376 | } |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 377 | #else |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 378 | static int _sde_debugfs_init(struct sde_kms *sde_kms) |
| 379 | { |
| 380 | return 0; |
| 381 | } |
| 382 | |
| 383 | static void _sde_debugfs_destroy(struct sde_kms *sde_kms) |
| 384 | { |
Alan Kwong | f0fd851 | 2016-10-24 21:39:26 -0400 | [diff] [blame] | 385 | } |
| 386 | #endif |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 387 | |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame] | 388 | static int sde_kms_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc) |
| 389 | { |
| 390 | return sde_crtc_vblank(crtc, true); |
| 391 | } |
| 392 | |
| 393 | static void sde_kms_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc) |
| 394 | { |
| 395 | sde_crtc_vblank(crtc, false); |
| 396 | } |
| 397 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 398 | static void sde_kms_wait_for_frame_transfer_complete(struct msm_kms *kms, |
Jeykumar Sankaran | dfaeec9 | 2017-06-06 15:21:51 -0700 | [diff] [blame] | 399 | struct drm_crtc *crtc) |
| 400 | { |
| 401 | struct drm_encoder *encoder; |
| 402 | struct drm_device *dev; |
| 403 | int ret; |
| 404 | |
| 405 | if (!kms || !crtc || !crtc->state || !crtc->dev) { |
| 406 | SDE_ERROR("invalid params\n"); |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | if (!crtc->state->enable) { |
| 411 | SDE_DEBUG("[crtc:%d] not enable\n", crtc->base.id); |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | if (!crtc->state->active) { |
| 416 | SDE_DEBUG("[crtc:%d] not active\n", crtc->base.id); |
| 417 | return; |
| 418 | } |
| 419 | |
| 420 | dev = crtc->dev; |
| 421 | |
| 422 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
| 423 | if (encoder->crtc != crtc) |
| 424 | continue; |
| 425 | /* |
| 426 | * Video Mode - Wait for VSYNC |
| 427 | * Cmd Mode - Wait for PP_DONE. Will be no-op if transfer is |
| 428 | * complete |
| 429 | */ |
| 430 | SDE_EVT32_VERBOSE(DRMID(crtc)); |
| 431 | ret = sde_encoder_wait_for_event(encoder, MSM_ENC_TX_COMPLETE); |
| 432 | if (ret && ret != -EWOULDBLOCK) { |
| 433 | SDE_ERROR( |
| 434 | "[crtc: %d][enc: %d] wait for commit done returned %d\n", |
| 435 | crtc->base.id, encoder->base.id, ret); |
| 436 | break; |
| 437 | } |
| 438 | } |
| 439 | } |
| 440 | |
Veera Sundaram Sankaran | 5616c9b | 2018-03-07 14:09:17 -0800 | [diff] [blame] | 441 | static int _sde_kms_secure_ctrl_xin_clients(struct sde_kms *sde_kms, |
| 442 | struct drm_crtc *crtc, bool enable) |
| 443 | { |
| 444 | struct drm_device *dev; |
| 445 | struct msm_drm_private *priv; |
| 446 | struct sde_mdss_cfg *sde_cfg; |
| 447 | struct drm_plane *plane; |
| 448 | int i, ret; |
| 449 | |
| 450 | dev = sde_kms->dev; |
| 451 | priv = dev->dev_private; |
| 452 | sde_cfg = sde_kms->catalog; |
| 453 | |
| 454 | ret = sde_vbif_halt_xin_mask(sde_kms, |
| 455 | sde_cfg->sui_block_xin_mask, enable); |
| 456 | if (ret) { |
| 457 | SDE_ERROR("failed to halt some xin-clients, ret:%d\n", ret); |
| 458 | return ret; |
| 459 | } |
| 460 | |
| 461 | if (enable) { |
| 462 | for (i = 0; i < priv->num_planes; i++) { |
| 463 | plane = priv->planes[i]; |
| 464 | sde_plane_secure_ctrl_xin_client(plane, crtc); |
| 465 | } |
| 466 | } |
| 467 | |
| 468 | return 0; |
| 469 | } |
| 470 | |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 471 | /** |
| 472 | * _sde_kms_scm_call - makes secure channel call to switch the VMIDs |
| 473 | * @vimd: switch the stage 2 translation to this VMID. |
| 474 | */ |
| 475 | static int _sde_kms_scm_call(int vmid) |
| 476 | { |
| 477 | struct scm_desc desc = {0}; |
| 478 | uint32_t num_sids; |
| 479 | uint32_t *sec_sid; |
| 480 | uint32_t mem_protect_sd_ctrl_id = MEM_PROTECT_SD_CTRL_SWITCH; |
| 481 | int ret = 0; |
| 482 | |
| 483 | /* This info should be queried from catalog */ |
| 484 | num_sids = SEC_SID_CNT; |
| 485 | sec_sid = kcalloc(num_sids, sizeof(uint32_t), GFP_KERNEL); |
| 486 | if (!sec_sid) |
| 487 | return -ENOMEM; |
| 488 | |
| 489 | /* |
| 490 | * derive this info from device tree/catalog, this is combination of |
| 491 | * smr mask and SID for secure |
| 492 | */ |
| 493 | sec_sid[0] = SEC_SID_MASK_0; |
| 494 | sec_sid[1] = SEC_SID_MASK_1; |
| 495 | dmac_flush_range(sec_sid, sec_sid + num_sids); |
| 496 | |
| 497 | SDE_DEBUG("calling scm_call for vmid %d", vmid); |
| 498 | |
| 499 | desc.arginfo = SCM_ARGS(4, SCM_VAL, SCM_RW, SCM_VAL, SCM_VAL); |
| 500 | desc.args[0] = MDP_DEVICE_ID; |
| 501 | desc.args[1] = SCM_BUFFER_PHYS(sec_sid); |
| 502 | desc.args[2] = sizeof(uint32_t) * num_sids; |
| 503 | desc.args[3] = vmid; |
| 504 | |
| 505 | ret = scm_call2(SCM_SIP_FNID(SCM_SVC_MP, |
| 506 | mem_protect_sd_ctrl_id), &desc); |
| 507 | if (ret) |
| 508 | SDE_ERROR("Error:scm_call2, vmid (%lld): ret%d\n", |
| 509 | desc.args[3], ret); |
| 510 | SDE_EVT32(mem_protect_sd_ctrl_id, |
| 511 | desc.args[0], desc.args[3], num_sids, |
| 512 | sec_sid[0], sec_sid[1], ret); |
| 513 | |
| 514 | kfree(sec_sid); |
| 515 | return ret; |
| 516 | } |
| 517 | |
| 518 | static int _sde_kms_detach_all_cb(struct sde_kms *sde_kms) |
| 519 | { |
| 520 | u32 ret = 0; |
| 521 | |
| 522 | if (atomic_inc_return(&sde_kms->detach_all_cb) > 1) |
| 523 | goto end; |
| 524 | |
| 525 | /* detach_all_contexts */ |
| 526 | ret = sde_kms_mmu_detach(sde_kms, false); |
| 527 | if (ret) { |
| 528 | SDE_ERROR("failed to detach all cb ret:%d\n", ret); |
| 529 | goto end; |
| 530 | } |
| 531 | |
| 532 | ret = _sde_kms_scm_call(VMID_CP_SEC_DISPLAY); |
| 533 | if (ret) |
| 534 | goto end; |
| 535 | |
| 536 | end: |
| 537 | return ret; |
| 538 | } |
| 539 | |
| 540 | static int _sde_kms_attach_all_cb(struct sde_kms *sde_kms) |
| 541 | { |
| 542 | u32 ret = 0; |
| 543 | |
| 544 | if (atomic_dec_return(&sde_kms->detach_all_cb) != 0) |
| 545 | goto end; |
| 546 | |
| 547 | ret = _sde_kms_scm_call(VMID_CP_PIXEL); |
| 548 | if (ret) |
| 549 | goto end; |
| 550 | |
| 551 | /* attach_all_contexts */ |
| 552 | ret = sde_kms_mmu_attach(sde_kms, false); |
| 553 | if (ret) { |
| 554 | SDE_ERROR("failed to attach all cb ret:%d\n", ret); |
| 555 | goto end; |
| 556 | } |
| 557 | |
| 558 | end: |
| 559 | return ret; |
| 560 | } |
| 561 | |
| 562 | static int _sde_kms_detach_sec_cb(struct sde_kms *sde_kms) |
| 563 | { |
| 564 | u32 ret = 0; |
| 565 | |
| 566 | if (atomic_inc_return(&sde_kms->detach_sec_cb) > 1) |
| 567 | goto end; |
| 568 | |
| 569 | /* detach secure_context */ |
| 570 | ret = sde_kms_mmu_detach(sde_kms, true); |
| 571 | if (ret) { |
| 572 | SDE_ERROR("failed to detach sec cb ret:%d\n", ret); |
| 573 | goto end; |
| 574 | } |
| 575 | |
| 576 | ret = _sde_kms_scm_call(VMID_CP_CAMERA_PREVIEW); |
| 577 | if (ret) |
| 578 | goto end; |
| 579 | |
| 580 | end: |
| 581 | return ret; |
| 582 | } |
| 583 | |
| 584 | static int _sde_kms_attach_sec_cb(struct sde_kms *sde_kms) |
| 585 | { |
| 586 | u32 ret = 0; |
| 587 | |
| 588 | if (atomic_dec_return(&sde_kms->detach_sec_cb) != 0) |
| 589 | goto end; |
| 590 | |
| 591 | ret = _sde_kms_scm_call(VMID_CP_PIXEL); |
| 592 | if (ret) |
| 593 | goto end; |
| 594 | |
| 595 | ret = sde_kms_mmu_attach(sde_kms, true); |
| 596 | if (ret) { |
| 597 | SDE_ERROR("failed to attach sec cb ret:%d\n", ret); |
| 598 | goto end; |
| 599 | } |
| 600 | |
| 601 | end: |
| 602 | return ret; |
| 603 | } |
| 604 | |
Veera Sundaram Sankaran | 61e4fba | 2018-02-27 17:59:22 -0800 | [diff] [blame] | 605 | static int _sde_kms_sui_misr_ctrl(struct sde_kms *sde_kms, |
| 606 | struct drm_crtc *crtc, bool enable) |
| 607 | { |
| 608 | struct drm_device *dev = sde_kms->dev; |
| 609 | struct msm_drm_private *priv = dev->dev_private; |
| 610 | int ret; |
| 611 | |
| 612 | if (enable) { |
| 613 | ret = sde_power_resource_enable(&priv->phandle, |
| 614 | sde_kms->core_client, true); |
| 615 | if (ret) { |
| 616 | SDE_ERROR("failed to enable resource, ret:%d\n", ret); |
| 617 | return ret; |
| 618 | } |
Veera Sundaram Sankaran | 5616c9b | 2018-03-07 14:09:17 -0800 | [diff] [blame] | 619 | |
Veera Sundaram Sankaran | 61e4fba | 2018-02-27 17:59:22 -0800 | [diff] [blame] | 620 | sde_crtc_misr_setup(crtc, true, 1); |
| 621 | |
Veera Sundaram Sankaran | 5616c9b | 2018-03-07 14:09:17 -0800 | [diff] [blame] | 622 | ret = _sde_kms_secure_ctrl_xin_clients(sde_kms, crtc, true); |
| 623 | if (ret) { |
| 624 | sde_power_resource_enable(&priv->phandle, |
| 625 | sde_kms->core_client, false); |
| 626 | return ret; |
| 627 | } |
| 628 | |
Veera Sundaram Sankaran | 61e4fba | 2018-02-27 17:59:22 -0800 | [diff] [blame] | 629 | } else { |
Veera Sundaram Sankaran | 5616c9b | 2018-03-07 14:09:17 -0800 | [diff] [blame] | 630 | _sde_kms_secure_ctrl_xin_clients(sde_kms, crtc, false); |
Veera Sundaram Sankaran | 61e4fba | 2018-02-27 17:59:22 -0800 | [diff] [blame] | 631 | sde_crtc_misr_setup(crtc, false, 0); |
| 632 | sde_power_resource_enable(&priv->phandle, |
| 633 | sde_kms->core_client, false); |
| 634 | } |
| 635 | |
| 636 | return 0; |
| 637 | } |
| 638 | |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 639 | static int _sde_kms_secure_ctrl(struct sde_kms *sde_kms, struct drm_crtc *crtc, |
| 640 | bool post_commit) |
| 641 | { |
| 642 | struct sde_kms_smmu_state_data *smmu_state = &sde_kms->smmu_state; |
| 643 | int old_smmu_state = smmu_state->state; |
| 644 | int ret = 0; |
| 645 | |
| 646 | if (!sde_kms || !crtc) { |
| 647 | SDE_ERROR("invalid argument(s)\n"); |
| 648 | return -EINVAL; |
| 649 | } |
| 650 | |
| 651 | SDE_EVT32(DRMID(crtc), smmu_state->state, smmu_state->transition_type, |
Veera Sundaram Sankaran | 61e4fba | 2018-02-27 17:59:22 -0800 | [diff] [blame] | 652 | post_commit, smmu_state->sui_misr_state, |
| 653 | SDE_EVTLOG_FUNC_ENTRY); |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 654 | |
| 655 | if ((!smmu_state->transition_type) || |
| 656 | ((smmu_state->transition_type == POST_COMMIT) && !post_commit)) |
| 657 | /* Bail out */ |
| 658 | return 0; |
| 659 | |
Veera Sundaram Sankaran | 61e4fba | 2018-02-27 17:59:22 -0800 | [diff] [blame] | 660 | /* enable sui misr if requested, before the transition */ |
| 661 | if (smmu_state->sui_misr_state == SUI_MISR_ENABLE_REQ) { |
| 662 | ret = _sde_kms_sui_misr_ctrl(sde_kms, crtc, true); |
| 663 | if (ret) |
| 664 | goto end; |
| 665 | } |
| 666 | |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 667 | mutex_lock(&sde_kms->secure_transition_lock); |
| 668 | switch (smmu_state->state) { |
| 669 | /* Secure UI use case enable */ |
| 670 | case DETACH_ALL_REQ: |
| 671 | ret = _sde_kms_detach_all_cb(sde_kms); |
| 672 | if (!ret) |
| 673 | smmu_state->state = DETACHED; |
| 674 | break; |
| 675 | |
| 676 | /* Secure UI use case disable */ |
| 677 | case ATTACH_ALL_REQ: |
| 678 | ret = _sde_kms_attach_all_cb(sde_kms); |
| 679 | if (!ret) |
| 680 | smmu_state->state = ATTACHED; |
| 681 | break; |
| 682 | |
| 683 | /* Secure preview enable */ |
| 684 | case DETACH_SEC_REQ: |
| 685 | ret = _sde_kms_detach_sec_cb(sde_kms); |
| 686 | if (!ret) |
| 687 | smmu_state->state = DETACHED_SEC; |
| 688 | break; |
| 689 | |
| 690 | /* Secure preview disable */ |
| 691 | case ATTACH_SEC_REQ: |
| 692 | ret = _sde_kms_attach_sec_cb(sde_kms); |
| 693 | if (!ret) |
| 694 | smmu_state->state = ATTACHED; |
| 695 | break; |
| 696 | |
| 697 | default: |
| 698 | SDE_ERROR("crtc:%d invalid smmu state:%d transition type:%d\n", |
| 699 | DRMID(crtc), smmu_state->state, |
| 700 | smmu_state->transition_type); |
| 701 | ret = -EINVAL; |
| 702 | break; |
| 703 | } |
| 704 | mutex_unlock(&sde_kms->secure_transition_lock); |
| 705 | |
Veera Sundaram Sankaran | 61e4fba | 2018-02-27 17:59:22 -0800 | [diff] [blame] | 706 | /* disable sui misr if requested, after the transition */ |
| 707 | if (!ret && (smmu_state->sui_misr_state == SUI_MISR_DISABLE_REQ)) { |
| 708 | ret = _sde_kms_sui_misr_ctrl(sde_kms, crtc, false); |
| 709 | if (ret) |
| 710 | goto end; |
| 711 | } |
| 712 | |
| 713 | end: |
| 714 | smmu_state->sui_misr_state = NONE; |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 715 | smmu_state->transition_type = NONE; |
| 716 | smmu_state->transition_error = ret ? true : false; |
| 717 | |
| 718 | SDE_DEBUG("crtc:%d, old_state %d new_state %d, ret %d\n", |
| 719 | DRMID(crtc), old_smmu_state, smmu_state->state, ret); |
| 720 | SDE_EVT32(DRMID(crtc), smmu_state->state, smmu_state->transition_type, |
| 721 | smmu_state->transition_error, ret, |
| 722 | SDE_EVTLOG_FUNC_EXIT); |
| 723 | |
| 724 | return ret; |
| 725 | } |
| 726 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 727 | static int sde_kms_prepare_secure_transition(struct msm_kms *kms, |
| 728 | struct drm_atomic_state *state) |
| 729 | { |
| 730 | struct drm_crtc *crtc; |
| 731 | struct drm_crtc_state *old_crtc_state; |
| 732 | |
| 733 | struct drm_plane *plane; |
| 734 | struct drm_plane_state *plane_state; |
| 735 | struct sde_kms *sde_kms = to_sde_kms(kms); |
| 736 | struct drm_device *dev = sde_kms->dev; |
| 737 | int i, ops = 0, ret = 0; |
| 738 | bool old_valid_fb = false; |
| 739 | |
| 740 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { |
| 741 | if (!crtc->state || !crtc->state->active) |
| 742 | continue; |
| 743 | /* |
| 744 | * It is safe to assume only one active crtc, |
| 745 | * and compatible translation modes on the |
| 746 | * planes staged on this crtc. |
| 747 | * otherwise validation would have failed. |
| 748 | * For this CRTC, |
| 749 | */ |
| 750 | |
| 751 | /* |
| 752 | * 1. Check if old state on the CRTC has planes |
| 753 | * staged with valid fbs |
| 754 | */ |
| 755 | for_each_plane_in_state(state, plane, plane_state, i) { |
| 756 | if (!plane_state->crtc) |
| 757 | continue; |
| 758 | if (plane_state->fb) { |
| 759 | old_valid_fb = true; |
| 760 | break; |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | /* |
| 765 | * 2.Get the operations needed to be performed before |
| 766 | * secure transition can be initiated. |
| 767 | */ |
| 768 | ops = sde_crtc_get_secure_transition_ops(crtc, |
Veera Sundaram Sankaran | fd79240 | 2017-10-13 12:50:41 -0700 | [diff] [blame] | 769 | old_crtc_state, old_valid_fb); |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 770 | if (ops < 0) { |
| 771 | SDE_ERROR("invalid secure operations %x\n", ops); |
| 772 | return ops; |
| 773 | } |
| 774 | |
| 775 | if (!ops) |
| 776 | goto no_ops; |
| 777 | |
| 778 | SDE_DEBUG("%d:secure operations(%x) started on state:%pK\n", |
Veera Sundaram Sankaran | fd79240 | 2017-10-13 12:50:41 -0700 | [diff] [blame] | 779 | crtc->base.id, ops, crtc->state); |
| 780 | SDE_EVT32(DRMID(crtc), ops, crtc->state, old_valid_fb); |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 781 | |
| 782 | /* 3. Perform operations needed for secure transition */ |
| 783 | if (ops & SDE_KMS_OPS_WAIT_FOR_TX_DONE) { |
| 784 | SDE_DEBUG("wait_for_transfer_done\n"); |
| 785 | sde_kms_wait_for_frame_transfer_complete(kms, crtc); |
| 786 | } |
| 787 | if (ops & SDE_KMS_OPS_CLEANUP_PLANE_FB) { |
| 788 | SDE_DEBUG("cleanup planes\n"); |
| 789 | drm_atomic_helper_cleanup_planes(dev, state); |
| 790 | } |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 791 | if (ops & SDE_KMS_OPS_SECURE_STATE_CHANGE) { |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 792 | SDE_DEBUG("secure ctrl\n"); |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 793 | _sde_kms_secure_ctrl(sde_kms, crtc, false); |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 794 | } |
| 795 | if (ops & SDE_KMS_OPS_PREPARE_PLANE_FB) { |
| 796 | SDE_DEBUG("prepare planes %d", |
| 797 | crtc->state->plane_mask); |
| 798 | drm_atomic_crtc_for_each_plane(plane, |
| 799 | crtc) { |
| 800 | const struct drm_plane_helper_funcs *funcs; |
| 801 | |
| 802 | plane_state = plane->state; |
| 803 | funcs = plane->helper_private; |
| 804 | |
| 805 | SDE_DEBUG("psde:%d FB[%u]\n", |
| 806 | plane->base.id, |
| 807 | plane->fb->base.id); |
| 808 | if (!funcs) |
| 809 | continue; |
| 810 | |
| 811 | if (funcs->prepare_fb(plane, plane_state)) { |
| 812 | ret = funcs->prepare_fb(plane, |
| 813 | plane_state); |
| 814 | if (ret) |
| 815 | return ret; |
| 816 | } |
| 817 | } |
| 818 | } |
Veera Sundaram Sankaran | fd79240 | 2017-10-13 12:50:41 -0700 | [diff] [blame] | 819 | SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FUNC_EXIT); |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 820 | SDE_DEBUG("secure operations completed\n"); |
| 821 | } |
| 822 | |
| 823 | no_ops: |
| 824 | return 0; |
| 825 | } |
| 826 | |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 827 | static int _sde_kms_release_splash_buffer(unsigned int mem_addr, |
| 828 | unsigned int size) |
| 829 | { |
| 830 | unsigned long pfn_start, pfn_end, pfn_idx; |
| 831 | int ret = 0; |
| 832 | |
| 833 | if (!mem_addr || !size) |
| 834 | SDE_ERROR("invalid params\n"); |
| 835 | |
| 836 | pfn_start = mem_addr >> PAGE_SHIFT; |
| 837 | pfn_end = (mem_addr + size) >> PAGE_SHIFT; |
| 838 | |
| 839 | ret = memblock_free(mem_addr, size); |
| 840 | if (ret) { |
| 841 | SDE_ERROR("continuous splash memory free failed:%d\n", ret); |
| 842 | return ret; |
| 843 | } |
| 844 | for (pfn_idx = pfn_start; pfn_idx < pfn_end; pfn_idx++) |
| 845 | free_reserved_page(pfn_to_page(pfn_idx)); |
| 846 | |
| 847 | return ret; |
| 848 | |
| 849 | } |
| 850 | |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 851 | static int _sde_kms_splash_smmu_map(struct drm_device *dev, struct msm_mmu *mmu, |
| 852 | struct sde_splash_data *data) |
| 853 | { |
| 854 | int ret = 0; |
| 855 | |
| 856 | if (!mmu || !data) |
| 857 | return -EINVAL; |
| 858 | |
| 859 | ret = mmu->funcs->one_to_one_map(mmu, data->splash_base, |
| 860 | data->splash_base, data->splash_size, |
| 861 | IOMMU_READ | IOMMU_NOEXEC); |
| 862 | if (ret) |
| 863 | SDE_ERROR("Splash smmu map failed: %d\n", ret); |
| 864 | |
| 865 | return ret; |
| 866 | } |
| 867 | |
| 868 | static int _sde_kms_splash_smmu_unmap(struct sde_kms *sde_kms) |
| 869 | { |
| 870 | struct sde_splash_data *data; |
| 871 | struct msm_mmu *mmu; |
| 872 | int rc = 0; |
| 873 | |
| 874 | if (!sde_kms) |
| 875 | return -EINVAL; |
| 876 | |
| 877 | data = &sde_kms->splash_data; |
| 878 | if (!data) { |
| 879 | SDE_ERROR("Invalid splash data\n"); |
| 880 | return -EINVAL; |
| 881 | } |
| 882 | |
| 883 | if (!sde_kms->aspace[0]) { |
| 884 | SDE_ERROR("aspace not found for sde kms node\n"); |
| 885 | return -EINVAL; |
| 886 | } |
| 887 | |
| 888 | mmu = sde_kms->aspace[0]->mmu; |
| 889 | if (!mmu) { |
| 890 | SDE_ERROR("mmu not found for aspace\n"); |
| 891 | return -EINVAL; |
| 892 | } |
| 893 | |
| 894 | if (mmu->funcs && mmu->funcs->one_to_one_unmap) |
| 895 | mmu->funcs->one_to_one_unmap(mmu, data->splash_base, |
| 896 | data->splash_size); |
| 897 | |
| 898 | return rc; |
| 899 | } |
| 900 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 901 | static void sde_kms_prepare_commit(struct msm_kms *kms, |
| 902 | struct drm_atomic_state *state) |
| 903 | { |
| 904 | struct sde_kms *sde_kms; |
| 905 | struct msm_drm_private *priv; |
| 906 | struct drm_device *dev; |
| 907 | struct drm_encoder *encoder; |
Alan Kwong | 12def59 | 2017-10-26 17:48:35 -0400 | [diff] [blame] | 908 | struct drm_crtc *crtc; |
| 909 | struct drm_crtc_state *crtc_state; |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 910 | int i, rc = 0; |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 911 | |
| 912 | if (!kms) |
| 913 | return; |
| 914 | sde_kms = to_sde_kms(kms); |
| 915 | dev = sde_kms->dev; |
| 916 | |
| 917 | if (!dev || !dev->dev_private) |
| 918 | return; |
| 919 | priv = dev->dev_private; |
| 920 | |
Alan Kwong | 1124f1f | 2017-11-10 18:14:39 -0500 | [diff] [blame] | 921 | rc = sde_power_resource_enable(&priv->phandle, sde_kms->core_client, |
| 922 | true); |
| 923 | if (rc) { |
| 924 | SDE_ERROR("failed to enable power resource %d\n", rc); |
| 925 | SDE_EVT32(rc, SDE_EVTLOG_ERROR); |
| 926 | return; |
| 927 | } |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 928 | |
Alan Kwong | 12def59 | 2017-10-26 17:48:35 -0400 | [diff] [blame] | 929 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
| 930 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, |
| 931 | head) { |
| 932 | if (encoder->crtc != crtc) |
| 933 | continue; |
| 934 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 935 | sde_encoder_prepare_commit(encoder); |
Alan Kwong | 12def59 | 2017-10-26 17:48:35 -0400 | [diff] [blame] | 936 | } |
| 937 | } |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 938 | |
| 939 | /* |
| 940 | * NOTE: for secure use cases we want to apply the new HW |
| 941 | * configuration only after completing preparation for secure |
| 942 | * transitions prepare below if any transtions is required. |
| 943 | */ |
| 944 | sde_kms_prepare_secure_transition(kms, state); |
| 945 | } |
| 946 | |
| 947 | static void sde_kms_commit(struct msm_kms *kms, |
| 948 | struct drm_atomic_state *old_state) |
| 949 | { |
Alan Kwong | 1124f1f | 2017-11-10 18:14:39 -0500 | [diff] [blame] | 950 | struct sde_kms *sde_kms; |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 951 | struct drm_crtc *crtc; |
| 952 | struct drm_crtc_state *old_crtc_state; |
| 953 | int i; |
| 954 | |
Alan Kwong | 1124f1f | 2017-11-10 18:14:39 -0500 | [diff] [blame] | 955 | if (!kms || !old_state) |
| 956 | return; |
| 957 | sde_kms = to_sde_kms(kms); |
| 958 | |
| 959 | if (!sde_kms_power_resource_is_enabled(sde_kms->dev)) { |
| 960 | SDE_ERROR("power resource is not enabled\n"); |
| 961 | return; |
| 962 | } |
| 963 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 964 | for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { |
| 965 | if (crtc->state->active) { |
| 966 | SDE_EVT32(DRMID(crtc)); |
Clarence Ip | 569d5af | 2017-10-14 21:09:01 -0400 | [diff] [blame] | 967 | sde_crtc_commit_kickoff(crtc, old_crtc_state); |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 968 | } |
| 969 | } |
| 970 | } |
| 971 | |
Gopikrishnaiah Anandan | b38d329 | 2018-02-28 19:25:15 -0800 | [diff] [blame] | 972 | static void _sde_kms_release_splash_resource(struct sde_kms *sde_kms, |
| 973 | struct drm_atomic_state *old_state) |
| 974 | { |
| 975 | struct drm_crtc *crtc; |
| 976 | struct drm_crtc_state *crtc_state; |
| 977 | bool primary_crtc_active = false; |
| 978 | struct msm_drm_private *priv; |
| 979 | int i, rc = 0; |
| 980 | |
| 981 | priv = sde_kms->dev->dev_private; |
| 982 | |
| 983 | if (!sde_kms->splash_data.resource_handoff_pending) |
| 984 | return; |
| 985 | |
| 986 | SDE_EVT32(SDE_EVTLOG_FUNC_CASE1); |
| 987 | for_each_crtc_in_state(old_state, crtc, crtc_state, i) { |
| 988 | if (crtc->state->active) |
| 989 | primary_crtc_active = true; |
| 990 | SDE_EVT32(crtc->base.id, crtc->state->active); |
| 991 | } |
| 992 | |
| 993 | if (!primary_crtc_active) { |
| 994 | SDE_EVT32(SDE_EVTLOG_FUNC_CASE2); |
| 995 | return; |
| 996 | } |
| 997 | |
| 998 | sde_kms->splash_data.resource_handoff_pending = false; |
| 999 | |
| 1000 | if (sde_kms->splash_data.cont_splash_en) { |
| 1001 | SDE_DEBUG("disabling cont_splash feature\n"); |
| 1002 | sde_kms->splash_data.cont_splash_en = false; |
| 1003 | |
| 1004 | for (i = 0; i < SDE_POWER_HANDLE_DBUS_ID_MAX; i++) |
| 1005 | sde_power_data_bus_set_quota(&priv->phandle, |
| 1006 | sde_kms->core_client, |
| 1007 | SDE_POWER_HANDLE_DATA_BUS_CLIENT_RT, i, |
| 1008 | SDE_POWER_HANDLE_ENABLE_BUS_AB_QUOTA, |
| 1009 | SDE_POWER_HANDLE_ENABLE_BUS_IB_QUOTA); |
| 1010 | |
| 1011 | sde_power_resource_enable(&priv->phandle, sde_kms->core_client, |
| 1012 | false); |
| 1013 | } |
| 1014 | |
| 1015 | if (sde_kms->splash_data.splash_base) { |
| 1016 | _sde_kms_splash_smmu_unmap(sde_kms); |
| 1017 | |
| 1018 | rc = _sde_kms_release_splash_buffer( |
| 1019 | sde_kms->splash_data.splash_base, |
| 1020 | sde_kms->splash_data.splash_size); |
| 1021 | if (rc) |
| 1022 | pr_err("failed to release splash memory\n"); |
| 1023 | sde_kms->splash_data.splash_base = 0; |
| 1024 | sde_kms->splash_data.splash_size = 0; |
| 1025 | } |
| 1026 | } |
| 1027 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 1028 | static void sde_kms_complete_commit(struct msm_kms *kms, |
| 1029 | struct drm_atomic_state *old_state) |
| 1030 | { |
| 1031 | struct sde_kms *sde_kms; |
| 1032 | struct msm_drm_private *priv; |
| 1033 | struct drm_crtc *crtc; |
| 1034 | struct drm_crtc_state *old_crtc_state; |
Raviteja Tamatam | 68892de | 2017-06-20 04:47:19 +0530 | [diff] [blame] | 1035 | struct drm_connector *connector; |
| 1036 | struct drm_connector_state *old_conn_state; |
| 1037 | int i, rc = 0; |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 1038 | |
| 1039 | if (!kms || !old_state) |
| 1040 | return; |
| 1041 | sde_kms = to_sde_kms(kms); |
| 1042 | |
| 1043 | if (!sde_kms->dev || !sde_kms->dev->dev_private) |
| 1044 | return; |
| 1045 | priv = sde_kms->dev->dev_private; |
| 1046 | |
Alan Kwong | 1124f1f | 2017-11-10 18:14:39 -0500 | [diff] [blame] | 1047 | if (!sde_kms_power_resource_is_enabled(sde_kms->dev)) { |
| 1048 | SDE_ERROR("power resource is not enabled\n"); |
| 1049 | return; |
| 1050 | } |
| 1051 | |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 1052 | for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 1053 | sde_crtc_complete_commit(crtc, old_crtc_state); |
| 1054 | |
Veera Sundaram Sankaran | 8fd692a | 2018-02-26 17:49:14 -0800 | [diff] [blame] | 1055 | /* complete secure transitions if any */ |
| 1056 | if (sde_kms->smmu_state.transition_type == POST_COMMIT) |
| 1057 | _sde_kms_secure_ctrl(sde_kms, crtc, true); |
| 1058 | } |
| 1059 | |
Raviteja Tamatam | 68892de | 2017-06-20 04:47:19 +0530 | [diff] [blame] | 1060 | for_each_connector_in_state(old_state, connector, old_conn_state, i) { |
| 1061 | struct sde_connector *c_conn; |
| 1062 | |
| 1063 | c_conn = to_sde_connector(connector); |
| 1064 | if (!c_conn->ops.post_kickoff) |
| 1065 | continue; |
| 1066 | rc = c_conn->ops.post_kickoff(connector); |
| 1067 | if (rc) { |
| 1068 | pr_err("Connector Post kickoff failed rc=%d\n", |
| 1069 | rc); |
| 1070 | } |
| 1071 | } |
| 1072 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 1073 | sde_power_resource_enable(&priv->phandle, sde_kms->core_client, false); |
| 1074 | |
Gopikrishnaiah Anandan | b38d329 | 2018-02-28 19:25:15 -0800 | [diff] [blame] | 1075 | _sde_kms_release_splash_resource(sde_kms, old_state); |
| 1076 | |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 1077 | SDE_EVT32_VERBOSE(SDE_EVTLOG_FUNC_EXIT); |
| 1078 | } |
| 1079 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 1080 | static void sde_kms_wait_for_commit_done(struct msm_kms *kms, |
Abhijit Kulkarni | 40e3816 | 2016-06-26 22:12:09 -0400 | [diff] [blame] | 1081 | struct drm_crtc *crtc) |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 1082 | { |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 1083 | struct drm_encoder *encoder; |
Narendra Muppalla | ec11a0a | 2017-06-15 15:35:17 -0700 | [diff] [blame] | 1084 | struct drm_device *dev; |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 1085 | int ret; |
| 1086 | |
Alan Kwong | f34ef98 | 2016-09-29 20:53:53 -0400 | [diff] [blame] | 1087 | if (!kms || !crtc || !crtc->state) { |
| 1088 | SDE_ERROR("invalid params\n"); |
| 1089 | return; |
| 1090 | } |
| 1091 | |
Narendra Muppalla | ec11a0a | 2017-06-15 15:35:17 -0700 | [diff] [blame] | 1092 | dev = crtc->dev; |
| 1093 | |
Alan Kwong | f34ef98 | 2016-09-29 20:53:53 -0400 | [diff] [blame] | 1094 | if (!crtc->state->enable) { |
| 1095 | SDE_DEBUG("[crtc:%d] not enable\n", crtc->base.id); |
| 1096 | return; |
| 1097 | } |
| 1098 | |
| 1099 | if (!crtc->state->active) { |
| 1100 | SDE_DEBUG("[crtc:%d] not active\n", crtc->base.id); |
| 1101 | return; |
| 1102 | } |
| 1103 | |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 1104 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
| 1105 | if (encoder->crtc != crtc) |
| 1106 | continue; |
| 1107 | /* |
Dhaval Patel | 6c66662 | 2017-03-21 23:02:59 -0700 | [diff] [blame] | 1108 | * Wait for post-flush if necessary to delay before |
| 1109 | * plane_cleanup. For example, wait for vsync in case of video |
| 1110 | * mode panels. This may be a no-op for command mode panels. |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 1111 | */ |
Dhaval Patel | 6c66662 | 2017-03-21 23:02:59 -0700 | [diff] [blame] | 1112 | SDE_EVT32_VERBOSE(DRMID(crtc)); |
Jeykumar Sankaran | dfaeec9 | 2017-06-06 15:21:51 -0700 | [diff] [blame] | 1113 | ret = sde_encoder_wait_for_event(encoder, MSM_ENC_COMMIT_DONE); |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 1114 | if (ret && ret != -EWOULDBLOCK) { |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 1115 | SDE_ERROR("wait for commit done returned %d\n", ret); |
Lloyd Atkinson | e7bcdd2 | 2016-08-11 10:53:37 -0400 | [diff] [blame] | 1116 | break; |
| 1117 | } |
| 1118 | } |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 1119 | } |
Lloyd Atkinson | 5d72278 | 2016-05-30 14:09:41 -0400 | [diff] [blame] | 1120 | |
Clarence Ip | 24f8066 | 2016-06-13 19:05:32 -0400 | [diff] [blame] | 1121 | static void sde_kms_prepare_fence(struct msm_kms *kms, |
Clarence Ip | 0d0e96d | 2016-10-24 18:13:13 -0400 | [diff] [blame] | 1122 | struct drm_atomic_state *old_state) |
Clarence Ip | 24f8066 | 2016-06-13 19:05:32 -0400 | [diff] [blame] | 1123 | { |
| 1124 | struct drm_crtc *crtc; |
Clarence Ip | 0d0e96d | 2016-10-24 18:13:13 -0400 | [diff] [blame] | 1125 | struct drm_crtc_state *old_crtc_state; |
| 1126 | int i, rc; |
Clarence Ip | 24f8066 | 2016-06-13 19:05:32 -0400 | [diff] [blame] | 1127 | |
Clarence Ip | 0d0e96d | 2016-10-24 18:13:13 -0400 | [diff] [blame] | 1128 | if (!kms || !old_state || !old_state->dev || !old_state->acquire_ctx) { |
| 1129 | SDE_ERROR("invalid argument(s)\n"); |
| 1130 | return; |
| 1131 | } |
| 1132 | |
| 1133 | retry: |
| 1134 | /* attempt to acquire ww mutex for connection */ |
| 1135 | rc = drm_modeset_lock(&old_state->dev->mode_config.connection_mutex, |
| 1136 | old_state->acquire_ctx); |
| 1137 | |
| 1138 | if (rc == -EDEADLK) { |
| 1139 | drm_modeset_backoff(old_state->acquire_ctx); |
| 1140 | goto retry; |
| 1141 | } |
| 1142 | |
| 1143 | /* old_state actually contains updated crtc pointers */ |
Veera Sundaram Sankaran | 675ff62 | 2017-06-21 21:44:46 -0700 | [diff] [blame] | 1144 | for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { |
| 1145 | if (crtc->state->active) |
| 1146 | sde_crtc_prepare_commit(crtc, old_crtc_state); |
| 1147 | } |
Clarence Ip | 24f8066 | 2016-06-13 19:05:32 -0400 | [diff] [blame] | 1148 | } |
| 1149 | |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1150 | /** |
| 1151 | * _sde_kms_get_displays - query for underlying display handles and cache them |
| 1152 | * @sde_kms: Pointer to sde kms structure |
| 1153 | * Returns: Zero on success |
| 1154 | */ |
| 1155 | static int _sde_kms_get_displays(struct sde_kms *sde_kms) |
| 1156 | { |
| 1157 | int rc = -ENOMEM; |
| 1158 | |
| 1159 | if (!sde_kms) { |
| 1160 | SDE_ERROR("invalid sde kms\n"); |
| 1161 | return -EINVAL; |
| 1162 | } |
| 1163 | |
| 1164 | /* dsi */ |
| 1165 | sde_kms->dsi_displays = NULL; |
| 1166 | sde_kms->dsi_display_count = dsi_display_get_num_of_displays(); |
| 1167 | if (sde_kms->dsi_display_count) { |
| 1168 | sde_kms->dsi_displays = kcalloc(sde_kms->dsi_display_count, |
| 1169 | sizeof(void *), |
| 1170 | GFP_KERNEL); |
| 1171 | if (!sde_kms->dsi_displays) { |
| 1172 | SDE_ERROR("failed to allocate dsi displays\n"); |
| 1173 | goto exit_deinit_dsi; |
| 1174 | } |
| 1175 | sde_kms->dsi_display_count = |
| 1176 | dsi_display_get_active_displays(sde_kms->dsi_displays, |
| 1177 | sde_kms->dsi_display_count); |
| 1178 | } |
| 1179 | |
| 1180 | /* wb */ |
| 1181 | sde_kms->wb_displays = NULL; |
| 1182 | sde_kms->wb_display_count = sde_wb_get_num_of_displays(); |
| 1183 | if (sde_kms->wb_display_count) { |
| 1184 | sde_kms->wb_displays = kcalloc(sde_kms->wb_display_count, |
| 1185 | sizeof(void *), |
| 1186 | GFP_KERNEL); |
| 1187 | if (!sde_kms->wb_displays) { |
| 1188 | SDE_ERROR("failed to allocate wb displays\n"); |
| 1189 | goto exit_deinit_wb; |
| 1190 | } |
| 1191 | sde_kms->wb_display_count = |
| 1192 | wb_display_get_displays(sde_kms->wb_displays, |
| 1193 | sde_kms->wb_display_count); |
| 1194 | } |
Padmanabhan Komanduru | 6375861 | 2017-05-23 01:47:18 -0700 | [diff] [blame] | 1195 | |
| 1196 | /* dp */ |
| 1197 | sde_kms->dp_displays = NULL; |
| 1198 | sde_kms->dp_display_count = dp_display_get_num_of_displays(); |
| 1199 | if (sde_kms->dp_display_count) { |
| 1200 | sde_kms->dp_displays = kcalloc(sde_kms->dp_display_count, |
| 1201 | sizeof(void *), GFP_KERNEL); |
| 1202 | if (!sde_kms->dp_displays) { |
| 1203 | SDE_ERROR("failed to allocate dp displays\n"); |
| 1204 | goto exit_deinit_dp; |
| 1205 | } |
| 1206 | sde_kms->dp_display_count = |
| 1207 | dp_display_get_displays(sde_kms->dp_displays, |
| 1208 | sde_kms->dp_display_count); |
| 1209 | } |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1210 | return 0; |
| 1211 | |
Padmanabhan Komanduru | 6375861 | 2017-05-23 01:47:18 -0700 | [diff] [blame] | 1212 | exit_deinit_dp: |
| 1213 | kfree(sde_kms->dp_displays); |
| 1214 | sde_kms->dp_display_count = 0; |
| 1215 | sde_kms->dp_displays = NULL; |
| 1216 | |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1217 | exit_deinit_wb: |
| 1218 | kfree(sde_kms->wb_displays); |
| 1219 | sde_kms->wb_display_count = 0; |
| 1220 | sde_kms->wb_displays = NULL; |
| 1221 | |
| 1222 | exit_deinit_dsi: |
| 1223 | kfree(sde_kms->dsi_displays); |
| 1224 | sde_kms->dsi_display_count = 0; |
| 1225 | sde_kms->dsi_displays = NULL; |
| 1226 | return rc; |
| 1227 | } |
| 1228 | |
| 1229 | /** |
| 1230 | * _sde_kms_release_displays - release cache of underlying display handles |
| 1231 | * @sde_kms: Pointer to sde kms structure |
| 1232 | */ |
| 1233 | static void _sde_kms_release_displays(struct sde_kms *sde_kms) |
| 1234 | { |
| 1235 | if (!sde_kms) { |
| 1236 | SDE_ERROR("invalid sde kms\n"); |
| 1237 | return; |
| 1238 | } |
| 1239 | |
| 1240 | kfree(sde_kms->wb_displays); |
| 1241 | sde_kms->wb_displays = NULL; |
| 1242 | sde_kms->wb_display_count = 0; |
| 1243 | |
| 1244 | kfree(sde_kms->dsi_displays); |
| 1245 | sde_kms->dsi_displays = NULL; |
| 1246 | sde_kms->dsi_display_count = 0; |
| 1247 | } |
| 1248 | |
| 1249 | /** |
| 1250 | * _sde_kms_setup_displays - create encoders, bridges and connectors |
| 1251 | * for underlying displays |
| 1252 | * @dev: Pointer to drm device structure |
| 1253 | * @priv: Pointer to private drm device data |
| 1254 | * @sde_kms: Pointer to sde kms structure |
| 1255 | * Returns: Zero on success |
| 1256 | */ |
| 1257 | static int _sde_kms_setup_displays(struct drm_device *dev, |
| 1258 | struct msm_drm_private *priv, |
| 1259 | struct sde_kms *sde_kms) |
| 1260 | { |
| 1261 | static const struct sde_connector_ops dsi_ops = { |
Alan Kwong | 769fba9 | 2017-11-13 16:50:36 -0500 | [diff] [blame] | 1262 | .set_info_blob = dsi_conn_set_info_blob, |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1263 | .detect = dsi_conn_detect, |
| 1264 | .get_modes = dsi_connector_get_modes, |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1265 | .put_modes = dsi_connector_put_modes, |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1266 | .mode_valid = dsi_conn_mode_valid, |
| 1267 | .get_info = dsi_display_get_info, |
Lloyd Atkinson | 8c49c58 | 2016-11-18 14:23:54 -0500 | [diff] [blame] | 1268 | .set_backlight = dsi_display_set_backlight, |
Lloyd Atkinson | 05d7551 | 2017-01-17 14:45:51 -0500 | [diff] [blame] | 1269 | .soft_reset = dsi_display_soft_reset, |
Veera Sundaram Sankaran | bb2bf9a | 2017-03-29 18:56:47 -0700 | [diff] [blame] | 1270 | .pre_kickoff = dsi_conn_pre_kickoff, |
Jeykumar Sankaran | 2b09807 | 2017-03-16 17:25:59 -0700 | [diff] [blame] | 1271 | .clk_ctrl = dsi_display_clk_ctrl, |
Clarence Ip | d57b062 | 2017-07-10 11:28:57 -0400 | [diff] [blame] | 1272 | .set_power = dsi_display_set_power, |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1273 | .get_mode_info = dsi_conn_get_mode_info, |
| 1274 | .get_dst_format = dsi_display_get_dst_format, |
Sandeep Panda | 98d6ab2 | 2017-09-05 08:03:16 +0530 | [diff] [blame] | 1275 | .post_kickoff = dsi_conn_post_kickoff, |
| 1276 | .check_status = dsi_display_check_status, |
Govinda Rajulu Chenna | b95b9c3 | 2017-10-13 15:00:32 -0400 | [diff] [blame] | 1277 | .enable_event = dsi_conn_enable_event, |
| 1278 | .cmd_transfer = dsi_display_cmd_transfer, |
Sandeep Panda | 8693e8f | 2018-03-08 08:16:44 +0530 | [diff] [blame] | 1279 | .cont_splash_config = dsi_display_cont_splash_config, |
Kalyan Thota | 6a9f3b7 | 2018-01-18 18:00:02 +0530 | [diff] [blame] | 1280 | .get_panel_vfp = dsi_display_get_panel_vfp, |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1281 | }; |
| 1282 | static const struct sde_connector_ops wb_ops = { |
| 1283 | .post_init = sde_wb_connector_post_init, |
Alan Kwong | 769fba9 | 2017-11-13 16:50:36 -0500 | [diff] [blame] | 1284 | .set_info_blob = sde_wb_connector_set_info_blob, |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1285 | .detect = sde_wb_connector_detect, |
| 1286 | .get_modes = sde_wb_connector_get_modes, |
| 1287 | .set_property = sde_wb_connector_set_property, |
| 1288 | .get_info = sde_wb_get_info, |
Jeykumar Sankaran | 2b09807 | 2017-03-16 17:25:59 -0700 | [diff] [blame] | 1289 | .soft_reset = NULL, |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1290 | .get_mode_info = sde_wb_get_mode_info, |
Sandeep Panda | 98d6ab2 | 2017-09-05 08:03:16 +0530 | [diff] [blame] | 1291 | .get_dst_format = NULL, |
| 1292 | .check_status = NULL, |
Govinda Rajulu Chenna | b95b9c3 | 2017-10-13 15:00:32 -0400 | [diff] [blame] | 1293 | .cmd_transfer = NULL, |
Sandeep Panda | 8693e8f | 2018-03-08 08:16:44 +0530 | [diff] [blame] | 1294 | .cont_splash_config = NULL, |
Kalyan Thota | 6a9f3b7 | 2018-01-18 18:00:02 +0530 | [diff] [blame] | 1295 | .get_panel_vfp = NULL, |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1296 | }; |
Padmanabhan Komanduru | 6375861 | 2017-05-23 01:47:18 -0700 | [diff] [blame] | 1297 | static const struct sde_connector_ops dp_ops = { |
| 1298 | .post_init = dp_connector_post_init, |
| 1299 | .detect = dp_connector_detect, |
| 1300 | .get_modes = dp_connector_get_modes, |
| 1301 | .mode_valid = dp_connector_mode_valid, |
| 1302 | .get_info = dp_connector_get_info, |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1303 | .get_mode_info = dp_connector_get_mode_info, |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 1304 | .post_open = dp_connector_post_open, |
Sandeep Panda | 98d6ab2 | 2017-09-05 08:03:16 +0530 | [diff] [blame] | 1305 | .check_status = NULL, |
Ajay Singh Parmar | 87af50b | 2017-12-22 22:22:55 -0800 | [diff] [blame] | 1306 | .config_hdr = dp_connector_config_hdr, |
Govinda Rajulu Chenna | b95b9c3 | 2017-10-13 15:00:32 -0400 | [diff] [blame] | 1307 | .cmd_transfer = NULL, |
Sandeep Panda | 8693e8f | 2018-03-08 08:16:44 +0530 | [diff] [blame] | 1308 | .cont_splash_config = NULL, |
Kalyan Thota | 6a9f3b7 | 2018-01-18 18:00:02 +0530 | [diff] [blame] | 1309 | .get_panel_vfp = NULL, |
Padmanabhan Komanduru | 6375861 | 2017-05-23 01:47:18 -0700 | [diff] [blame] | 1310 | }; |
Ray Zhang | a8a5dfe | 2018-01-22 10:29:01 +0800 | [diff] [blame] | 1311 | static const struct sde_connector_ops ext_bridge_ops = { |
| 1312 | .set_info_blob = dsi_conn_set_info_blob, |
| 1313 | .mode_valid = dsi_conn_mode_valid, |
| 1314 | .get_info = dsi_display_ext_bridge_get_info, |
| 1315 | .soft_reset = dsi_display_soft_reset, |
| 1316 | .clk_ctrl = dsi_display_clk_ctrl, |
| 1317 | .get_mode_info = dsi_conn_ext_bridge_get_mode_info, |
| 1318 | .get_dst_format = dsi_display_get_dst_format, |
| 1319 | .enable_event = dsi_conn_enable_event, |
| 1320 | .cmd_transfer = NULL, |
Sandeep Panda | 8693e8f | 2018-03-08 08:16:44 +0530 | [diff] [blame] | 1321 | .cont_splash_config = NULL, |
Ray Zhang | a8a5dfe | 2018-01-22 10:29:01 +0800 | [diff] [blame] | 1322 | }; |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1323 | struct msm_display_info info; |
| 1324 | struct drm_encoder *encoder; |
| 1325 | void *display, *connector; |
| 1326 | int i, max_encoders; |
| 1327 | int rc = 0; |
| 1328 | |
| 1329 | if (!dev || !priv || !sde_kms) { |
| 1330 | SDE_ERROR("invalid argument(s)\n"); |
| 1331 | return -EINVAL; |
| 1332 | } |
| 1333 | |
Padmanabhan Komanduru | 6375861 | 2017-05-23 01:47:18 -0700 | [diff] [blame] | 1334 | max_encoders = sde_kms->dsi_display_count + sde_kms->wb_display_count + |
| 1335 | sde_kms->dp_display_count; |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1336 | if (max_encoders > ARRAY_SIZE(priv->encoders)) { |
| 1337 | max_encoders = ARRAY_SIZE(priv->encoders); |
| 1338 | SDE_ERROR("capping number of displays to %d", max_encoders); |
| 1339 | } |
| 1340 | |
| 1341 | /* dsi */ |
| 1342 | for (i = 0; i < sde_kms->dsi_display_count && |
| 1343 | priv->num_encoders < max_encoders; ++i) { |
| 1344 | display = sde_kms->dsi_displays[i]; |
| 1345 | encoder = NULL; |
| 1346 | |
Ray Zhang | a8a5dfe | 2018-01-22 10:29:01 +0800 | [diff] [blame] | 1347 | if (!dsi_display_has_ext_bridge(display)) { |
| 1348 | memset(&info, 0x0, sizeof(info)); |
| 1349 | rc = dsi_display_get_info(&info, display); |
| 1350 | if (rc) { |
| 1351 | SDE_ERROR("dsi get_info %d failed\n", i); |
| 1352 | continue; |
| 1353 | } |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1354 | |
Ray Zhang | a8a5dfe | 2018-01-22 10:29:01 +0800 | [diff] [blame] | 1355 | encoder = sde_encoder_init(dev, &info); |
| 1356 | if (IS_ERR_OR_NULL(encoder)) { |
| 1357 | SDE_ERROR("encoder init failed for dsi %d\n", |
| 1358 | i); |
| 1359 | continue; |
| 1360 | } |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1361 | |
Ray Zhang | a8a5dfe | 2018-01-22 10:29:01 +0800 | [diff] [blame] | 1362 | rc = dsi_display_drm_bridge_init(display, encoder); |
| 1363 | if (rc) { |
| 1364 | SDE_ERROR("dsi bridge %d init failed, %d\n", |
| 1365 | i, rc); |
| 1366 | sde_encoder_destroy(encoder); |
| 1367 | continue; |
| 1368 | } |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1369 | |
Ray Zhang | a8a5dfe | 2018-01-22 10:29:01 +0800 | [diff] [blame] | 1370 | connector = sde_connector_init(dev, |
| 1371 | encoder, |
| 1372 | NULL, |
| 1373 | display, |
| 1374 | &dsi_ops, |
| 1375 | DRM_CONNECTOR_POLL_HPD, |
| 1376 | DRM_MODE_CONNECTOR_DSI); |
| 1377 | if (connector) { |
| 1378 | priv->encoders[priv->num_encoders++] = encoder; |
| 1379 | } else { |
| 1380 | SDE_ERROR("dsi %d connector init failed\n", i); |
| 1381 | dsi_display_drm_bridge_deinit(display); |
| 1382 | sde_encoder_destroy(encoder); |
| 1383 | } |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1384 | } else { |
Ray Zhang | a8a5dfe | 2018-01-22 10:29:01 +0800 | [diff] [blame] | 1385 | memset(&info, 0x0, sizeof(info)); |
| 1386 | rc = dsi_display_ext_bridge_get_info(&info, display); |
| 1387 | if (rc) { |
| 1388 | SDE_ERROR("ext get_info %d failed\n", i); |
| 1389 | continue; |
| 1390 | } |
| 1391 | |
| 1392 | encoder = sde_encoder_init(dev, &info); |
| 1393 | if (IS_ERR_OR_NULL(encoder)) { |
| 1394 | SDE_ERROR("encoder init failed for ext %d\n", |
| 1395 | i); |
| 1396 | continue; |
| 1397 | } |
| 1398 | |
| 1399 | rc = dsi_display_drm_bridge_init(display, encoder); |
| 1400 | if (rc) { |
| 1401 | SDE_ERROR("dsi bridge %d init failed for ext\n", |
| 1402 | i); |
| 1403 | sde_encoder_destroy(encoder); |
| 1404 | continue; |
| 1405 | } |
| 1406 | |
| 1407 | connector = sde_connector_init(dev, |
| 1408 | encoder, |
| 1409 | NULL, |
| 1410 | display, |
| 1411 | &ext_bridge_ops, |
| 1412 | DRM_CONNECTOR_POLL_HPD, |
| 1413 | DRM_MODE_CONNECTOR_DSI); |
| 1414 | if (connector) { |
| 1415 | priv->encoders[priv->num_encoders++] = encoder; |
| 1416 | } else { |
| 1417 | SDE_ERROR("connector init %d failed for ext\n", |
| 1418 | i); |
| 1419 | dsi_display_drm_bridge_deinit(display); |
| 1420 | sde_encoder_destroy(encoder); |
| 1421 | continue; |
| 1422 | } |
| 1423 | |
| 1424 | rc = dsi_display_drm_ext_bridge_init(display, |
| 1425 | encoder, connector); |
| 1426 | if (rc) { |
| 1427 | struct drm_connector *conn = connector; |
| 1428 | |
| 1429 | SDE_ERROR("ext bridge %d init failed, %d\n", |
| 1430 | i, rc); |
| 1431 | conn->funcs->destroy(connector); |
| 1432 | dsi_display_drm_bridge_deinit(display); |
| 1433 | sde_encoder_destroy(encoder); |
| 1434 | continue; |
| 1435 | } |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | /* wb */ |
| 1440 | for (i = 0; i < sde_kms->wb_display_count && |
| 1441 | priv->num_encoders < max_encoders; ++i) { |
| 1442 | display = sde_kms->wb_displays[i]; |
| 1443 | encoder = NULL; |
| 1444 | |
| 1445 | memset(&info, 0x0, sizeof(info)); |
| 1446 | rc = sde_wb_get_info(&info, display); |
| 1447 | if (rc) { |
| 1448 | SDE_ERROR("wb get_info %d failed\n", i); |
| 1449 | continue; |
| 1450 | } |
| 1451 | |
| 1452 | encoder = sde_encoder_init(dev, &info); |
| 1453 | if (IS_ERR_OR_NULL(encoder)) { |
| 1454 | SDE_ERROR("encoder init failed for wb %d\n", i); |
| 1455 | continue; |
| 1456 | } |
| 1457 | |
| 1458 | rc = sde_wb_drm_init(display, encoder); |
| 1459 | if (rc) { |
| 1460 | SDE_ERROR("wb bridge %d init failed, %d\n", i, rc); |
| 1461 | sde_encoder_destroy(encoder); |
| 1462 | continue; |
| 1463 | } |
| 1464 | |
| 1465 | connector = sde_connector_init(dev, |
| 1466 | encoder, |
| 1467 | 0, |
| 1468 | display, |
| 1469 | &wb_ops, |
| 1470 | DRM_CONNECTOR_POLL_HPD, |
| 1471 | DRM_MODE_CONNECTOR_VIRTUAL); |
| 1472 | if (connector) { |
| 1473 | priv->encoders[priv->num_encoders++] = encoder; |
| 1474 | } else { |
| 1475 | SDE_ERROR("wb %d connector init failed\n", i); |
| 1476 | sde_wb_drm_deinit(display); |
| 1477 | sde_encoder_destroy(encoder); |
| 1478 | } |
| 1479 | } |
Padmanabhan Komanduru | 6375861 | 2017-05-23 01:47:18 -0700 | [diff] [blame] | 1480 | /* dp */ |
| 1481 | for (i = 0; i < sde_kms->dp_display_count && |
| 1482 | priv->num_encoders < max_encoders; ++i) { |
| 1483 | display = sde_kms->dp_displays[i]; |
| 1484 | encoder = NULL; |
| 1485 | |
| 1486 | memset(&info, 0x0, sizeof(info)); |
| 1487 | rc = dp_connector_get_info(&info, display); |
| 1488 | if (rc) { |
| 1489 | SDE_ERROR("dp get_info %d failed\n", i); |
| 1490 | continue; |
| 1491 | } |
| 1492 | |
| 1493 | encoder = sde_encoder_init(dev, &info); |
| 1494 | if (IS_ERR_OR_NULL(encoder)) { |
| 1495 | SDE_ERROR("dp encoder init failed %d\n", i); |
| 1496 | continue; |
| 1497 | } |
| 1498 | |
| 1499 | rc = dp_drm_bridge_init(display, encoder); |
| 1500 | if (rc) { |
| 1501 | SDE_ERROR("dp bridge %d init failed, %d\n", i, rc); |
| 1502 | sde_encoder_destroy(encoder); |
| 1503 | continue; |
| 1504 | } |
| 1505 | |
| 1506 | connector = sde_connector_init(dev, |
| 1507 | encoder, |
| 1508 | NULL, |
| 1509 | display, |
| 1510 | &dp_ops, |
| 1511 | DRM_CONNECTOR_POLL_HPD, |
| 1512 | DRM_MODE_CONNECTOR_DisplayPort); |
| 1513 | if (connector) { |
| 1514 | priv->encoders[priv->num_encoders++] = encoder; |
| 1515 | } else { |
| 1516 | SDE_ERROR("dp %d connector init failed\n", i); |
| 1517 | dp_drm_bridge_deinit(display); |
| 1518 | sde_encoder_destroy(encoder); |
| 1519 | } |
| 1520 | } |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1521 | |
| 1522 | return 0; |
| 1523 | } |
| 1524 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 1525 | static void _sde_kms_drm_obj_destroy(struct sde_kms *sde_kms) |
| 1526 | { |
| 1527 | struct msm_drm_private *priv; |
| 1528 | int i; |
| 1529 | |
| 1530 | if (!sde_kms) { |
| 1531 | SDE_ERROR("invalid sde_kms\n"); |
| 1532 | return; |
| 1533 | } else if (!sde_kms->dev) { |
| 1534 | SDE_ERROR("invalid dev\n"); |
| 1535 | return; |
| 1536 | } else if (!sde_kms->dev->dev_private) { |
| 1537 | SDE_ERROR("invalid dev_private\n"); |
| 1538 | return; |
| 1539 | } |
| 1540 | priv = sde_kms->dev->dev_private; |
| 1541 | |
| 1542 | for (i = 0; i < priv->num_crtcs; i++) |
| 1543 | priv->crtcs[i]->funcs->destroy(priv->crtcs[i]); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 1544 | priv->num_crtcs = 0; |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 1545 | |
| 1546 | for (i = 0; i < priv->num_planes; i++) |
| 1547 | priv->planes[i]->funcs->destroy(priv->planes[i]); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 1548 | priv->num_planes = 0; |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 1549 | |
| 1550 | for (i = 0; i < priv->num_connectors; i++) |
| 1551 | priv->connectors[i]->funcs->destroy(priv->connectors[i]); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 1552 | priv->num_connectors = 0; |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 1553 | |
| 1554 | for (i = 0; i < priv->num_encoders; i++) |
| 1555 | priv->encoders[i]->funcs->destroy(priv->encoders[i]); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 1556 | priv->num_encoders = 0; |
| 1557 | |
| 1558 | _sde_kms_release_displays(sde_kms); |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 1559 | } |
| 1560 | |
| 1561 | static int _sde_kms_drm_obj_init(struct sde_kms *sde_kms) |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1562 | { |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1563 | struct drm_device *dev; |
Dhaval Patel | 44f1247 | 2016-08-29 12:19:47 -0700 | [diff] [blame] | 1564 | struct drm_plane *primary_planes[MAX_PLANES], *plane; |
| 1565 | struct drm_crtc *crtc; |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1566 | |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1567 | struct msm_drm_private *priv; |
| 1568 | struct sde_mdss_cfg *catalog; |
Dhaval Patel | 44f1247 | 2016-08-29 12:19:47 -0700 | [diff] [blame] | 1569 | |
Jeykumar Sankaran | 2e65503 | 2017-02-04 14:05:45 -0800 | [diff] [blame] | 1570 | int primary_planes_idx = 0, i, ret; |
| 1571 | int max_crtc_count; |
| 1572 | |
| 1573 | u32 sspp_id[MAX_PLANES]; |
| 1574 | u32 master_plane_id[MAX_PLANES]; |
| 1575 | u32 num_virt_planes = 0; |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1576 | |
Clarence Ip | dd39524 | 2016-09-09 10:47:17 -0400 | [diff] [blame] | 1577 | if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev) { |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1578 | SDE_ERROR("invalid sde_kms\n"); |
| 1579 | return -EINVAL; |
| 1580 | } |
| 1581 | |
| 1582 | dev = sde_kms->dev; |
| 1583 | priv = dev->dev_private; |
| 1584 | catalog = sde_kms->catalog; |
| 1585 | |
Abhinav Kumar | 2316fb9 | 2017-01-30 23:07:08 -0800 | [diff] [blame] | 1586 | ret = sde_core_irq_domain_add(sde_kms); |
| 1587 | if (ret) |
| 1588 | goto fail_irq; |
Clarence Ip | 3649f8b | 2016-10-31 09:59:44 -0400 | [diff] [blame] | 1589 | /* |
| 1590 | * Query for underlying display drivers, and create connectors, |
| 1591 | * bridges and encoders for them. |
| 1592 | */ |
| 1593 | if (!_sde_kms_get_displays(sde_kms)) |
| 1594 | (void)_sde_kms_setup_displays(dev, priv, sde_kms); |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1595 | |
| 1596 | max_crtc_count = min(catalog->mixer_count, priv->num_encoders); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1597 | |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1598 | /* Create the planes */ |
Jeykumar Sankaran | 2e65503 | 2017-02-04 14:05:45 -0800 | [diff] [blame] | 1599 | for (i = 0; i < catalog->sspp_count; i++) { |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1600 | bool primary = true; |
| 1601 | |
| 1602 | if (catalog->sspp[i].features & BIT(SDE_SSPP_CURSOR) |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1603 | || primary_planes_idx >= max_crtc_count) |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1604 | primary = false; |
| 1605 | |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1606 | plane = sde_plane_init(dev, catalog->sspp[i].id, primary, |
Jeykumar Sankaran | 2e65503 | 2017-02-04 14:05:45 -0800 | [diff] [blame] | 1607 | (1UL << max_crtc_count) - 1, 0); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1608 | if (IS_ERR(plane)) { |
Clarence Ip | 2bbf7b3 | 2016-09-23 15:07:16 -0400 | [diff] [blame] | 1609 | SDE_ERROR("sde_plane_init failed\n"); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1610 | ret = PTR_ERR(plane); |
| 1611 | goto fail; |
| 1612 | } |
| 1613 | priv->planes[priv->num_planes++] = plane; |
| 1614 | |
| 1615 | if (primary) |
| 1616 | primary_planes[primary_planes_idx++] = plane; |
Jeykumar Sankaran | 2e65503 | 2017-02-04 14:05:45 -0800 | [diff] [blame] | 1617 | |
| 1618 | if (sde_hw_sspp_multirect_enabled(&catalog->sspp[i]) && |
| 1619 | sde_is_custom_client()) { |
| 1620 | int priority = |
| 1621 | catalog->sspp[i].sblk->smart_dma_priority; |
| 1622 | sspp_id[priority - 1] = catalog->sspp[i].id; |
| 1623 | master_plane_id[priority - 1] = plane->base.id; |
| 1624 | num_virt_planes++; |
| 1625 | } |
| 1626 | } |
| 1627 | |
| 1628 | /* Initialize smart DMA virtual planes */ |
| 1629 | for (i = 0; i < num_virt_planes; i++) { |
| 1630 | plane = sde_plane_init(dev, sspp_id[i], false, |
| 1631 | (1UL << max_crtc_count) - 1, master_plane_id[i]); |
| 1632 | if (IS_ERR(plane)) { |
| 1633 | SDE_ERROR("sde_plane for virtual SSPP init failed\n"); |
| 1634 | ret = PTR_ERR(plane); |
| 1635 | goto fail; |
| 1636 | } |
| 1637 | priv->planes[priv->num_planes++] = plane; |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1638 | } |
| 1639 | |
Dhaval Patel | 44f1247 | 2016-08-29 12:19:47 -0700 | [diff] [blame] | 1640 | max_crtc_count = min(max_crtc_count, primary_planes_idx); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1641 | |
Dhaval Patel | 44f1247 | 2016-08-29 12:19:47 -0700 | [diff] [blame] | 1642 | /* Create one CRTC per encoder */ |
| 1643 | for (i = 0; i < max_crtc_count; i++) { |
Lloyd Atkinson | ac93364 | 2016-09-14 11:52:00 -0400 | [diff] [blame] | 1644 | crtc = sde_crtc_init(dev, primary_planes[i]); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1645 | if (IS_ERR(crtc)) { |
| 1646 | ret = PTR_ERR(crtc); |
| 1647 | goto fail; |
| 1648 | } |
| 1649 | priv->crtcs[priv->num_crtcs++] = crtc; |
| 1650 | } |
| 1651 | |
Clarence Ip | dd39524 | 2016-09-09 10:47:17 -0400 | [diff] [blame] | 1652 | if (sde_is_custom_client()) { |
| 1653 | /* All CRTCs are compatible with all planes */ |
| 1654 | for (i = 0; i < priv->num_planes; i++) |
| 1655 | priv->planes[i]->possible_crtcs = |
| 1656 | (1 << priv->num_crtcs) - 1; |
| 1657 | } |
| 1658 | |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 1659 | /* All CRTCs are compatible with all encoders */ |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 1660 | for (i = 0; i < priv->num_encoders; i++) |
| 1661 | priv->encoders[i]->possible_crtcs = (1 << priv->num_crtcs) - 1; |
| 1662 | |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1663 | return 0; |
| 1664 | fail: |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 1665 | _sde_kms_drm_obj_destroy(sde_kms); |
Abhinav Kumar | 2316fb9 | 2017-01-30 23:07:08 -0800 | [diff] [blame] | 1666 | fail_irq: |
| 1667 | sde_core_irq_domain_fini(sde_kms); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 1668 | return ret; |
| 1669 | } |
| 1670 | |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1671 | /** |
Dhaval Patel | 2a3c37a | 2017-10-25 12:30:36 -0700 | [diff] [blame] | 1672 | * sde_kms_timeline_status - provides current timeline status |
| 1673 | * This API should be called without mode config lock. |
| 1674 | * @dev: Pointer to drm device |
| 1675 | */ |
| 1676 | void sde_kms_timeline_status(struct drm_device *dev) |
| 1677 | { |
| 1678 | struct drm_crtc *crtc; |
| 1679 | struct drm_connector *conn; |
| 1680 | |
| 1681 | if (!dev) { |
| 1682 | SDE_ERROR("invalid drm device node\n"); |
| 1683 | return; |
| 1684 | } |
| 1685 | |
| 1686 | drm_for_each_crtc(crtc, dev) |
| 1687 | sde_crtc_timeline_status(crtc); |
| 1688 | |
| 1689 | mutex_lock(&dev->mode_config.mutex); |
| 1690 | drm_for_each_connector(conn, dev) |
| 1691 | sde_conn_timeline_status(conn); |
| 1692 | mutex_unlock(&dev->mode_config.mutex); |
| 1693 | } |
| 1694 | |
| 1695 | /** |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1696 | * struct sde_kms_fbo_fb - framebuffer creation list |
| 1697 | * @list: list of framebuffer attached to framebuffer object |
| 1698 | * @fb: Pointer to framebuffer attached to framebuffer object |
| 1699 | */ |
| 1700 | struct sde_kms_fbo_fb { |
| 1701 | struct list_head list; |
| 1702 | struct drm_framebuffer *fb; |
| 1703 | }; |
| 1704 | |
| 1705 | struct drm_framebuffer *sde_kms_fbo_create_fb(struct drm_device *dev, |
| 1706 | struct sde_kms_fbo *fbo) |
| 1707 | { |
| 1708 | struct drm_framebuffer *fb = NULL; |
| 1709 | struct sde_kms_fbo_fb *fbo_fb; |
| 1710 | struct drm_mode_fb_cmd2 mode_cmd = {0}; |
| 1711 | u32 base_offset = 0; |
| 1712 | int i, ret; |
| 1713 | |
| 1714 | if (!dev) { |
| 1715 | SDE_ERROR("invalid drm device node\n"); |
| 1716 | return NULL; |
| 1717 | } |
| 1718 | |
| 1719 | fbo_fb = kzalloc(sizeof(struct sde_kms_fbo_fb), GFP_KERNEL); |
| 1720 | if (!fbo_fb) |
| 1721 | return NULL; |
| 1722 | |
| 1723 | mode_cmd.pixel_format = fbo->pixel_format; |
| 1724 | mode_cmd.width = fbo->width; |
| 1725 | mode_cmd.height = fbo->height; |
| 1726 | mode_cmd.flags = fbo->flags; |
| 1727 | |
| 1728 | for (i = 0; i < fbo->nplane; i++) { |
| 1729 | mode_cmd.offsets[i] = base_offset; |
| 1730 | mode_cmd.pitches[i] = fbo->layout.plane_pitch[i]; |
| 1731 | mode_cmd.modifier[i] = fbo->modifier[i]; |
| 1732 | base_offset += fbo->layout.plane_size[i]; |
| 1733 | SDE_DEBUG("offset[%d]:%x\n", i, mode_cmd.offsets[i]); |
| 1734 | } |
| 1735 | |
| 1736 | fb = msm_framebuffer_init(dev, &mode_cmd, fbo->bo); |
| 1737 | if (IS_ERR(fb)) { |
| 1738 | ret = PTR_ERR(fb); |
| 1739 | fb = NULL; |
| 1740 | SDE_ERROR("failed to allocate fb %d\n", ret); |
| 1741 | goto fail; |
| 1742 | } |
| 1743 | |
| 1744 | /* need to take one reference for gem object */ |
| 1745 | for (i = 0; i < fbo->nplane; i++) |
| 1746 | drm_gem_object_reference(fbo->bo[i]); |
| 1747 | |
| 1748 | SDE_DEBUG("register private fb:%d\n", fb->base.id); |
| 1749 | |
| 1750 | INIT_LIST_HEAD(&fbo_fb->list); |
| 1751 | fbo_fb->fb = fb; |
| 1752 | drm_framebuffer_reference(fbo_fb->fb); |
| 1753 | list_add_tail(&fbo_fb->list, &fbo->fb_list); |
| 1754 | |
| 1755 | return fb; |
| 1756 | |
| 1757 | fail: |
| 1758 | kfree(fbo_fb); |
| 1759 | return NULL; |
| 1760 | } |
| 1761 | |
| 1762 | static void sde_kms_fbo_destroy(struct sde_kms_fbo *fbo) |
| 1763 | { |
| 1764 | struct msm_drm_private *priv; |
| 1765 | struct sde_kms *sde_kms; |
| 1766 | struct drm_device *dev; |
| 1767 | struct sde_kms_fbo_fb *curr, *next; |
| 1768 | int i; |
| 1769 | |
| 1770 | if (!fbo) { |
| 1771 | SDE_ERROR("invalid drm device node\n"); |
| 1772 | return; |
| 1773 | } |
| 1774 | dev = fbo->dev; |
| 1775 | |
| 1776 | if (!dev || !dev->dev_private) { |
| 1777 | SDE_ERROR("invalid drm device node\n"); |
| 1778 | return; |
| 1779 | } |
| 1780 | priv = dev->dev_private; |
| 1781 | |
| 1782 | if (!priv->kms) { |
| 1783 | SDE_ERROR("invalid kms handle\n"); |
| 1784 | return; |
| 1785 | } |
| 1786 | sde_kms = to_sde_kms(priv->kms); |
| 1787 | |
| 1788 | SDE_DEBUG("%dx%d@%c%c%c%c/%llx/%x\n", fbo->width, fbo->height, |
| 1789 | fbo->pixel_format >> 0, fbo->pixel_format >> 8, |
| 1790 | fbo->pixel_format >> 16, fbo->pixel_format >> 24, |
| 1791 | fbo->modifier[0], fbo->flags); |
| 1792 | |
| 1793 | list_for_each_entry_safe(curr, next, &fbo->fb_list, list) { |
| 1794 | SDE_DEBUG("unregister private fb:%d\n", curr->fb->base.id); |
| 1795 | drm_framebuffer_unregister_private(curr->fb); |
| 1796 | drm_framebuffer_unreference(curr->fb); |
| 1797 | list_del(&curr->list); |
| 1798 | kfree(curr); |
| 1799 | } |
| 1800 | |
| 1801 | for (i = 0; i < fbo->layout.num_planes; i++) { |
| 1802 | if (fbo->bo[i]) { |
| 1803 | mutex_lock(&dev->struct_mutex); |
| 1804 | drm_gem_object_unreference(fbo->bo[i]); |
| 1805 | mutex_unlock(&dev->struct_mutex); |
| 1806 | fbo->bo[i] = NULL; |
| 1807 | } |
| 1808 | } |
| 1809 | |
| 1810 | if (fbo->dma_buf) { |
| 1811 | dma_buf_put(fbo->dma_buf); |
| 1812 | fbo->dma_buf = NULL; |
| 1813 | } |
| 1814 | |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1815 | if (sde_kms->iclient && fbo->ihandle) { |
| 1816 | ion_free(sde_kms->iclient, fbo->ihandle); |
| 1817 | fbo->ihandle = NULL; |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1818 | } |
| 1819 | } |
| 1820 | |
Clarence Ip | d02440b | 2017-05-21 18:10:01 -0400 | [diff] [blame] | 1821 | static void sde_kms_set_gem_flags(struct msm_gem_object *msm_obj, |
| 1822 | uint32_t flags) |
| 1823 | { |
| 1824 | if (msm_obj) |
| 1825 | msm_obj->flags |= flags; |
| 1826 | } |
| 1827 | |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1828 | struct sde_kms_fbo *sde_kms_fbo_alloc(struct drm_device *dev, u32 width, |
| 1829 | u32 height, u32 pixel_format, u64 modifier[4], u32 flags) |
| 1830 | { |
| 1831 | struct msm_drm_private *priv; |
| 1832 | struct sde_kms *sde_kms; |
| 1833 | struct sde_kms_fbo *fbo; |
| 1834 | int i, ret; |
| 1835 | |
| 1836 | if (!dev || !dev->dev_private) { |
| 1837 | SDE_ERROR("invalid drm device node\n"); |
| 1838 | return NULL; |
| 1839 | } |
| 1840 | priv = dev->dev_private; |
| 1841 | |
| 1842 | if (!priv->kms) { |
| 1843 | SDE_ERROR("invalid kms handle\n"); |
| 1844 | return NULL; |
| 1845 | } |
| 1846 | sde_kms = to_sde_kms(priv->kms); |
| 1847 | |
| 1848 | SDE_DEBUG("%dx%d@%c%c%c%c/%llx/%x\n", width, height, |
| 1849 | pixel_format >> 0, pixel_format >> 8, |
| 1850 | pixel_format >> 16, pixel_format >> 24, |
| 1851 | modifier[0], flags); |
| 1852 | |
| 1853 | fbo = kzalloc(sizeof(struct sde_kms_fbo), GFP_KERNEL); |
| 1854 | if (!fbo) |
| 1855 | return NULL; |
| 1856 | |
| 1857 | atomic_set(&fbo->refcount, 0); |
| 1858 | INIT_LIST_HEAD(&fbo->fb_list); |
| 1859 | fbo->dev = dev; |
| 1860 | fbo->width = width; |
| 1861 | fbo->height = height; |
| 1862 | fbo->pixel_format = pixel_format; |
| 1863 | fbo->flags = flags; |
| 1864 | for (i = 0; i < ARRAY_SIZE(fbo->modifier); i++) |
| 1865 | fbo->modifier[i] = modifier[i]; |
| 1866 | fbo->nplane = drm_format_num_planes(fbo->pixel_format); |
| 1867 | fbo->fmt = sde_get_sde_format_ext(fbo->pixel_format, fbo->modifier, |
| 1868 | fbo->nplane); |
| 1869 | if (!fbo->fmt) { |
| 1870 | ret = -EINVAL; |
| 1871 | SDE_ERROR("failed to find pixel format\n"); |
| 1872 | goto done; |
| 1873 | } |
| 1874 | |
| 1875 | ret = sde_format_get_plane_sizes(fbo->fmt, fbo->width, fbo->height, |
Narendra Muppalla | 58a64e2 | 2017-07-24 10:54:47 -0700 | [diff] [blame] | 1876 | &fbo->layout, fbo->layout.plane_pitch); |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1877 | if (ret) { |
| 1878 | SDE_ERROR("failed to get plane sizes\n"); |
| 1879 | goto done; |
| 1880 | } |
| 1881 | |
| 1882 | /* allocate backing buffer object */ |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1883 | if (sde_kms->iclient) { |
| 1884 | u32 heap_id = fbo->flags & DRM_MODE_FB_SECURE ? |
Alan Kwong | 3f2a515 | 2017-08-25 16:19:43 -0400 | [diff] [blame] | 1885 | ION_HEAP(ION_SECURE_HEAP_ID) : |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1886 | ION_HEAP(ION_SYSTEM_HEAP_ID); |
Alan Kwong | 3f2a515 | 2017-08-25 16:19:43 -0400 | [diff] [blame] | 1887 | u32 iflags = fbo->flags & DRM_MODE_FB_SECURE ? |
| 1888 | (ION_FLAG_SECURE | ION_FLAG_CP_PIXEL) : 0; |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1889 | |
| 1890 | fbo->ihandle = ion_alloc(sde_kms->iclient, |
Alan Kwong | 3f2a515 | 2017-08-25 16:19:43 -0400 | [diff] [blame] | 1891 | fbo->layout.total_size, SZ_4K, heap_id, iflags); |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1892 | if (IS_ERR_OR_NULL(fbo->ihandle)) { |
| 1893 | SDE_ERROR("failed to alloc ion memory\n"); |
| 1894 | ret = PTR_ERR(fbo->ihandle); |
| 1895 | fbo->ihandle = NULL; |
| 1896 | goto done; |
| 1897 | } |
| 1898 | |
| 1899 | fbo->dma_buf = ion_share_dma_buf(sde_kms->iclient, |
| 1900 | fbo->ihandle); |
| 1901 | if (IS_ERR(fbo->dma_buf)) { |
| 1902 | SDE_ERROR("failed to share ion memory\n"); |
| 1903 | ret = -ENOMEM; |
| 1904 | fbo->dma_buf = NULL; |
| 1905 | goto done; |
| 1906 | } |
| 1907 | |
| 1908 | fbo->bo[0] = dev->driver->gem_prime_import(dev, |
| 1909 | fbo->dma_buf); |
| 1910 | if (IS_ERR(fbo->bo[0])) { |
| 1911 | SDE_ERROR("failed to import ion memory\n"); |
| 1912 | ret = PTR_ERR(fbo->bo[0]); |
| 1913 | fbo->bo[0] = NULL; |
| 1914 | goto done; |
| 1915 | } |
Clarence Ip | d02440b | 2017-05-21 18:10:01 -0400 | [diff] [blame] | 1916 | |
| 1917 | /* insert extra bo flags */ |
| 1918 | sde_kms_set_gem_flags(to_msm_bo(fbo->bo[0]), MSM_BO_KEEPATTRS); |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1919 | } else { |
| 1920 | mutex_lock(&dev->struct_mutex); |
| 1921 | fbo->bo[0] = msm_gem_new(dev, fbo->layout.total_size, |
Clarence Ip | d02440b | 2017-05-21 18:10:01 -0400 | [diff] [blame] | 1922 | MSM_BO_SCANOUT | MSM_BO_WC | MSM_BO_KEEPATTRS); |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1923 | if (IS_ERR(fbo->bo[0])) { |
| 1924 | mutex_unlock(&dev->struct_mutex); |
| 1925 | SDE_ERROR("failed to new gem buffer\n"); |
| 1926 | ret = PTR_ERR(fbo->bo[0]); |
| 1927 | fbo->bo[0] = NULL; |
| 1928 | goto done; |
| 1929 | } |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1930 | mutex_unlock(&dev->struct_mutex); |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1931 | } |
| 1932 | |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 1933 | mutex_lock(&dev->struct_mutex); |
Alan Kwong | 4dd64c8 | 2017-02-04 18:41:51 -0800 | [diff] [blame] | 1934 | for (i = 1; i < fbo->layout.num_planes; i++) { |
| 1935 | fbo->bo[i] = fbo->bo[0]; |
| 1936 | drm_gem_object_reference(fbo->bo[i]); |
| 1937 | } |
| 1938 | mutex_unlock(&dev->struct_mutex); |
| 1939 | |
| 1940 | done: |
| 1941 | if (ret) { |
| 1942 | sde_kms_fbo_destroy(fbo); |
| 1943 | kfree(fbo); |
| 1944 | fbo = NULL; |
| 1945 | } else { |
| 1946 | sde_kms_fbo_reference(fbo); |
| 1947 | } |
| 1948 | |
| 1949 | return fbo; |
| 1950 | } |
| 1951 | |
| 1952 | int sde_kms_fbo_reference(struct sde_kms_fbo *fbo) |
| 1953 | { |
| 1954 | if (!fbo) { |
| 1955 | SDE_ERROR("invalid parameters\n"); |
| 1956 | return -EINVAL; |
| 1957 | } |
| 1958 | |
| 1959 | SDE_DEBUG("%pS refcount:%d\n", __builtin_return_address(0), |
| 1960 | atomic_read(&fbo->refcount)); |
| 1961 | |
| 1962 | atomic_inc(&fbo->refcount); |
| 1963 | |
| 1964 | return 0; |
| 1965 | } |
| 1966 | |
| 1967 | void sde_kms_fbo_unreference(struct sde_kms_fbo *fbo) |
| 1968 | { |
| 1969 | if (!fbo) { |
| 1970 | SDE_ERROR("invalid parameters\n"); |
| 1971 | return; |
| 1972 | } |
| 1973 | |
| 1974 | SDE_DEBUG("%pS refcount:%d\n", __builtin_return_address(0), |
| 1975 | atomic_read(&fbo->refcount)); |
| 1976 | |
| 1977 | if (!atomic_read(&fbo->refcount)) { |
| 1978 | SDE_ERROR("invalid refcount\n"); |
| 1979 | return; |
| 1980 | } else if (atomic_dec_return(&fbo->refcount) == 0) { |
| 1981 | sde_kms_fbo_destroy(fbo); |
| 1982 | } |
| 1983 | } |
| 1984 | |
Alan Kwong | 5a3ac75 | 2016-10-16 01:02:35 -0400 | [diff] [blame] | 1985 | static int sde_kms_postinit(struct msm_kms *kms) |
| 1986 | { |
| 1987 | struct sde_kms *sde_kms = to_sde_kms(kms); |
| 1988 | struct drm_device *dev; |
Dhaval Patel | 91399a5 | 2017-11-27 22:21:27 -0800 | [diff] [blame] | 1989 | struct drm_crtc *crtc; |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 1990 | int rc; |
Alan Kwong | 5a3ac75 | 2016-10-16 01:02:35 -0400 | [diff] [blame] | 1991 | |
| 1992 | if (!sde_kms || !sde_kms->dev || !sde_kms->dev->dev) { |
| 1993 | SDE_ERROR("invalid sde_kms\n"); |
| 1994 | return -EINVAL; |
| 1995 | } |
| 1996 | |
| 1997 | dev = sde_kms->dev; |
| 1998 | |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 1999 | rc = _sde_debugfs_init(sde_kms); |
| 2000 | if (rc) |
| 2001 | SDE_ERROR("sde_debugfs init failed: %d\n", rc); |
| 2002 | |
Dhaval Patel | 91399a5 | 2017-11-27 22:21:27 -0800 | [diff] [blame] | 2003 | drm_for_each_crtc(crtc, dev) |
| 2004 | sde_crtc_post_init(dev, crtc); |
| 2005 | |
Lloyd Atkinson | b020e0f | 2017-03-14 08:05:18 -0700 | [diff] [blame] | 2006 | return rc; |
Alan Kwong | 5a3ac75 | 2016-10-16 01:02:35 -0400 | [diff] [blame] | 2007 | } |
| 2008 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2009 | static long sde_kms_round_pixclk(struct msm_kms *kms, unsigned long rate, |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 2010 | struct drm_encoder *encoder) |
| 2011 | { |
| 2012 | return rate; |
| 2013 | } |
| 2014 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2015 | static void _sde_kms_hw_destroy(struct sde_kms *sde_kms, |
| 2016 | struct platform_device *pdev) |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 2017 | { |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2018 | struct drm_device *dev; |
| 2019 | struct msm_drm_private *priv; |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 2020 | int i; |
| 2021 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2022 | if (!sde_kms || !pdev) |
| 2023 | return; |
| 2024 | |
| 2025 | dev = sde_kms->dev; |
| 2026 | if (!dev) |
| 2027 | return; |
| 2028 | |
| 2029 | priv = dev->dev_private; |
| 2030 | if (!priv) |
| 2031 | return; |
| 2032 | |
Alan Kwong | 23afc2d9 | 2017-09-15 10:59:06 -0400 | [diff] [blame] | 2033 | if (sde_kms->genpd_init) { |
| 2034 | sde_kms->genpd_init = false; |
| 2035 | pm_genpd_remove(&sde_kms->genpd); |
| 2036 | of_genpd_del_provider(pdev->dev.of_node); |
| 2037 | } |
| 2038 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2039 | if (sde_kms->hw_intr) |
| 2040 | sde_hw_intr_destroy(sde_kms->hw_intr); |
| 2041 | sde_kms->hw_intr = NULL; |
| 2042 | |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 2043 | if (sde_kms->power_event) |
| 2044 | sde_power_handle_unregister_event( |
| 2045 | &priv->phandle, sde_kms->power_event); |
| 2046 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2047 | _sde_kms_release_displays(sde_kms); |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 2048 | (void)_sde_kms_release_splash_buffer( |
| 2049 | sde_kms->splash_data.splash_base, |
| 2050 | sde_kms->splash_data.splash_size); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2051 | |
| 2052 | /* safe to call these more than once during shutdown */ |
| 2053 | _sde_debugfs_destroy(sde_kms); |
| 2054 | _sde_kms_mmu_destroy(sde_kms); |
| 2055 | |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 2056 | if (sde_kms->iclient) { |
| 2057 | ion_client_destroy(sde_kms->iclient); |
| 2058 | sde_kms->iclient = NULL; |
| 2059 | } |
| 2060 | |
Lloyd Atkinson | 79f0880 | 2017-01-09 17:37:18 -0500 | [diff] [blame] | 2061 | if (sde_kms->catalog) { |
| 2062 | for (i = 0; i < sde_kms->catalog->vbif_count; i++) { |
| 2063 | u32 vbif_idx = sde_kms->catalog->vbif[i].id; |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 2064 | |
Lloyd Atkinson | 79f0880 | 2017-01-09 17:37:18 -0500 | [diff] [blame] | 2065 | if ((vbif_idx < VBIF_MAX) && sde_kms->hw_vbif[vbif_idx]) |
| 2066 | sde_hw_vbif_destroy(sde_kms->hw_vbif[vbif_idx]); |
| 2067 | } |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 2068 | } |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 2069 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2070 | if (sde_kms->rm_init) |
| 2071 | sde_rm_destroy(&sde_kms->rm); |
| 2072 | sde_kms->rm_init = false; |
| 2073 | |
| 2074 | if (sde_kms->catalog) |
| 2075 | sde_hw_catalog_deinit(sde_kms->catalog); |
| 2076 | sde_kms->catalog = NULL; |
| 2077 | |
| 2078 | if (sde_kms->core_client) |
| 2079 | sde_power_client_destroy(&priv->phandle, sde_kms->core_client); |
| 2080 | sde_kms->core_client = NULL; |
| 2081 | |
| 2082 | if (sde_kms->vbif[VBIF_NRT]) |
| 2083 | msm_iounmap(pdev, sde_kms->vbif[VBIF_NRT]); |
| 2084 | sde_kms->vbif[VBIF_NRT] = NULL; |
| 2085 | |
| 2086 | if (sde_kms->vbif[VBIF_RT]) |
| 2087 | msm_iounmap(pdev, sde_kms->vbif[VBIF_RT]); |
| 2088 | sde_kms->vbif[VBIF_RT] = NULL; |
| 2089 | |
| 2090 | if (sde_kms->mmio) |
| 2091 | msm_iounmap(pdev, sde_kms->mmio); |
| 2092 | sde_kms->mmio = NULL; |
Gopikrishnaiah Anandan | db90fa1 | 2017-05-09 17:56:08 -0700 | [diff] [blame] | 2093 | |
| 2094 | sde_reg_dma_deinit(); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2095 | } |
| 2096 | |
Abhijit Kulkarni | 329a94d | 2017-06-20 17:07:08 -0700 | [diff] [blame] | 2097 | int sde_kms_mmu_detach(struct sde_kms *sde_kms, bool secure_only) |
| 2098 | { |
| 2099 | int i; |
| 2100 | |
| 2101 | if (!sde_kms) |
| 2102 | return -EINVAL; |
| 2103 | |
| 2104 | for (i = 0; i < MSM_SMMU_DOMAIN_MAX; i++) { |
| 2105 | struct msm_mmu *mmu; |
| 2106 | struct msm_gem_address_space *aspace = sde_kms->aspace[i]; |
| 2107 | |
| 2108 | if (!aspace) |
| 2109 | continue; |
| 2110 | |
| 2111 | mmu = sde_kms->aspace[i]->mmu; |
| 2112 | |
| 2113 | if (secure_only && |
| 2114 | !aspace->mmu->funcs->is_domain_secure(mmu)) |
| 2115 | continue; |
| 2116 | |
Abhijit Kulkarni | f4657b1 | 2017-06-28 18:40:19 -0700 | [diff] [blame] | 2117 | /* cleanup aspace before detaching */ |
| 2118 | msm_gem_aspace_domain_attach_detach_update(aspace, true); |
| 2119 | |
Abhijit Kulkarni | 329a94d | 2017-06-20 17:07:08 -0700 | [diff] [blame] | 2120 | SDE_DEBUG("Detaching domain:%d\n", i); |
| 2121 | aspace->mmu->funcs->detach(mmu, (const char **)iommu_ports, |
| 2122 | ARRAY_SIZE(iommu_ports)); |
| 2123 | |
| 2124 | aspace->domain_attached = false; |
| 2125 | } |
| 2126 | |
| 2127 | return 0; |
| 2128 | } |
| 2129 | |
| 2130 | int sde_kms_mmu_attach(struct sde_kms *sde_kms, bool secure_only) |
| 2131 | { |
| 2132 | int i; |
| 2133 | |
| 2134 | if (!sde_kms) |
| 2135 | return -EINVAL; |
| 2136 | |
| 2137 | for (i = 0; i < MSM_SMMU_DOMAIN_MAX; i++) { |
| 2138 | struct msm_mmu *mmu; |
| 2139 | struct msm_gem_address_space *aspace = sde_kms->aspace[i]; |
| 2140 | |
| 2141 | if (!aspace) |
| 2142 | continue; |
| 2143 | |
| 2144 | mmu = sde_kms->aspace[i]->mmu; |
| 2145 | |
| 2146 | if (secure_only && |
| 2147 | !aspace->mmu->funcs->is_domain_secure(mmu)) |
| 2148 | continue; |
| 2149 | |
| 2150 | SDE_DEBUG("Attaching domain:%d\n", i); |
| 2151 | aspace->mmu->funcs->attach(mmu, (const char **)iommu_ports, |
| 2152 | ARRAY_SIZE(iommu_ports)); |
| 2153 | |
| 2154 | aspace->domain_attached = true; |
Veera Sundaram Sankaran | b024ae4 | 2018-05-24 10:05:54 -0700 | [diff] [blame] | 2155 | msm_gem_aspace_domain_attach_detach_update(aspace, false); |
Abhijit Kulkarni | 329a94d | 2017-06-20 17:07:08 -0700 | [diff] [blame] | 2156 | } |
| 2157 | |
| 2158 | return 0; |
| 2159 | } |
| 2160 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2161 | static void sde_kms_destroy(struct msm_kms *kms) |
| 2162 | { |
| 2163 | struct sde_kms *sde_kms; |
| 2164 | struct drm_device *dev; |
| 2165 | |
| 2166 | if (!kms) { |
| 2167 | SDE_ERROR("invalid kms\n"); |
| 2168 | return; |
| 2169 | } |
| 2170 | |
| 2171 | sde_kms = to_sde_kms(kms); |
| 2172 | dev = sde_kms->dev; |
| 2173 | if (!dev) { |
| 2174 | SDE_ERROR("invalid device\n"); |
| 2175 | return; |
| 2176 | } |
| 2177 | |
| 2178 | _sde_kms_hw_destroy(sde_kms, dev->platformdev); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 2179 | kfree(sde_kms); |
| 2180 | } |
| 2181 | |
Veera Sundaram Sankaran | e2bf686 | 2017-08-01 13:55:12 -0700 | [diff] [blame] | 2182 | static void _sde_kms_plane_force_remove(struct drm_plane *plane, |
| 2183 | struct drm_atomic_state *state) |
| 2184 | { |
| 2185 | struct drm_plane_state *plane_state; |
| 2186 | int ret = 0; |
| 2187 | |
| 2188 | if (!plane->crtc) |
| 2189 | return; |
| 2190 | |
| 2191 | plane_state = drm_atomic_get_plane_state(state, plane); |
| 2192 | if (IS_ERR(plane_state)) { |
| 2193 | ret = PTR_ERR(plane_state); |
| 2194 | SDE_ERROR("error %d getting plane %d state\n", |
| 2195 | ret, plane->base.id); |
| 2196 | return; |
| 2197 | } |
| 2198 | |
| 2199 | plane->old_fb = plane->fb; |
| 2200 | |
| 2201 | SDE_DEBUG("disabling plane %d\n", plane->base.id); |
| 2202 | |
| 2203 | ret = __drm_atomic_helper_disable_plane(plane, plane_state); |
| 2204 | if (ret != 0) |
| 2205 | SDE_ERROR("error %d disabling plane %d\n", ret, |
| 2206 | plane->base.id); |
| 2207 | } |
| 2208 | |
| 2209 | static int _sde_kms_remove_fbs(struct sde_kms *sde_kms, struct drm_file *file, |
| 2210 | struct drm_atomic_state *state) |
| 2211 | { |
| 2212 | struct drm_device *dev = sde_kms->dev; |
| 2213 | struct drm_framebuffer *fb, *tfb; |
| 2214 | struct list_head fbs; |
| 2215 | struct drm_plane *plane; |
| 2216 | int ret = 0; |
| 2217 | u32 plane_mask = 0; |
| 2218 | |
| 2219 | INIT_LIST_HEAD(&fbs); |
| 2220 | |
| 2221 | list_for_each_entry_safe(fb, tfb, &file->fbs, filp_head) { |
| 2222 | if (drm_framebuffer_read_refcount(fb) > 1) { |
| 2223 | list_move_tail(&fb->filp_head, &fbs); |
| 2224 | |
| 2225 | drm_for_each_plane(plane, dev) { |
| 2226 | if (plane->fb == fb) { |
| 2227 | plane_mask |= |
| 2228 | 1 << drm_plane_index(plane); |
| 2229 | _sde_kms_plane_force_remove( |
| 2230 | plane, state); |
| 2231 | } |
| 2232 | } |
| 2233 | } else { |
| 2234 | list_del_init(&fb->filp_head); |
| 2235 | drm_framebuffer_unreference(fb); |
| 2236 | } |
| 2237 | } |
| 2238 | |
| 2239 | if (list_empty(&fbs)) { |
| 2240 | SDE_DEBUG("skip commit as no fb(s)\n"); |
| 2241 | drm_atomic_state_free(state); |
| 2242 | return 0; |
| 2243 | } |
| 2244 | |
| 2245 | SDE_DEBUG("committing after removing all the pipes\n"); |
| 2246 | ret = drm_atomic_commit(state); |
| 2247 | |
| 2248 | if (ret) { |
| 2249 | /* |
| 2250 | * move the fbs back to original list, so it would be |
| 2251 | * handled during drm_release |
| 2252 | */ |
| 2253 | list_for_each_entry_safe(fb, tfb, &fbs, filp_head) |
| 2254 | list_move_tail(&fb->filp_head, &file->fbs); |
| 2255 | |
| 2256 | SDE_ERROR("atomic commit failed in preclose, ret:%d\n", ret); |
| 2257 | goto end; |
| 2258 | } |
| 2259 | |
| 2260 | while (!list_empty(&fbs)) { |
| 2261 | fb = list_first_entry(&fbs, typeof(*fb), filp_head); |
| 2262 | |
| 2263 | list_del_init(&fb->filp_head); |
| 2264 | drm_framebuffer_unreference(fb); |
| 2265 | } |
| 2266 | |
| 2267 | end: |
| 2268 | drm_atomic_clean_old_fb(dev, plane_mask, ret); |
| 2269 | |
| 2270 | return ret; |
| 2271 | } |
| 2272 | |
Lloyd Atkinson | 5217336c | 2016-09-15 18:21:18 -0400 | [diff] [blame] | 2273 | static void sde_kms_preclose(struct msm_kms *kms, struct drm_file *file) |
| 2274 | { |
| 2275 | struct sde_kms *sde_kms = to_sde_kms(kms); |
| 2276 | struct drm_device *dev = sde_kms->dev; |
| 2277 | struct msm_drm_private *priv = dev->dev_private; |
| 2278 | unsigned int i; |
Veera Sundaram Sankaran | e2bf686 | 2017-08-01 13:55:12 -0700 | [diff] [blame] | 2279 | struct drm_atomic_state *state = NULL; |
| 2280 | int ret = 0; |
Lloyd Atkinson | 5217336c | 2016-09-15 18:21:18 -0400 | [diff] [blame] | 2281 | |
| 2282 | for (i = 0; i < priv->num_crtcs; i++) |
| 2283 | sde_crtc_cancel_pending_flip(priv->crtcs[i], file); |
Veera Sundaram Sankaran | e2bf686 | 2017-08-01 13:55:12 -0700 | [diff] [blame] | 2284 | |
| 2285 | drm_modeset_lock_all(dev); |
| 2286 | state = drm_atomic_state_alloc(dev); |
| 2287 | if (!state) { |
| 2288 | ret = -ENOMEM; |
| 2289 | goto end; |
| 2290 | } |
| 2291 | |
| 2292 | state->acquire_ctx = dev->mode_config.acquire_ctx; |
| 2293 | |
| 2294 | for (i = 0; i < TEARDOWN_DEADLOCK_RETRY_MAX; i++) { |
| 2295 | ret = _sde_kms_remove_fbs(sde_kms, file, state); |
| 2296 | if (ret != -EDEADLK) |
| 2297 | break; |
| 2298 | drm_atomic_state_clear(state); |
| 2299 | drm_atomic_legacy_backoff(state); |
| 2300 | } |
| 2301 | |
| 2302 | end: |
| 2303 | if ((ret != 0) && state) |
| 2304 | drm_atomic_state_free(state); |
| 2305 | |
| 2306 | SDE_DEBUG("sde preclose done, ret:%d\n", ret); |
| 2307 | drm_modeset_unlock_all(dev); |
Lloyd Atkinson | 5217336c | 2016-09-15 18:21:18 -0400 | [diff] [blame] | 2308 | } |
| 2309 | |
Lloyd Atkinson | e08229c | 2017-10-02 17:53:30 -0400 | [diff] [blame] | 2310 | static int _sde_kms_helper_reset_custom_properties(struct sde_kms *sde_kms, |
| 2311 | struct drm_atomic_state *state) |
| 2312 | { |
| 2313 | struct drm_device *dev = sde_kms->dev; |
| 2314 | struct drm_plane *plane; |
| 2315 | struct drm_plane_state *plane_state; |
| 2316 | struct drm_crtc *crtc; |
| 2317 | struct drm_crtc_state *crtc_state; |
| 2318 | struct drm_connector *conn; |
| 2319 | struct drm_connector_state *conn_state; |
| 2320 | int ret = 0; |
| 2321 | |
| 2322 | drm_for_each_plane(plane, dev) { |
| 2323 | plane_state = drm_atomic_get_plane_state(state, plane); |
| 2324 | if (IS_ERR(plane_state)) { |
| 2325 | ret = PTR_ERR(plane_state); |
| 2326 | SDE_ERROR("error %d getting plane %d state\n", |
| 2327 | ret, DRMID(plane)); |
| 2328 | return ret; |
| 2329 | } |
| 2330 | |
| 2331 | ret = sde_plane_helper_reset_custom_properties(plane, |
| 2332 | plane_state); |
| 2333 | if (ret) { |
| 2334 | SDE_ERROR("error %d resetting plane props %d\n", |
| 2335 | ret, DRMID(plane)); |
| 2336 | return ret; |
| 2337 | } |
| 2338 | } |
| 2339 | drm_for_each_crtc(crtc, dev) { |
| 2340 | crtc_state = drm_atomic_get_crtc_state(state, crtc); |
| 2341 | if (IS_ERR(crtc_state)) { |
| 2342 | ret = PTR_ERR(crtc_state); |
| 2343 | SDE_ERROR("error %d getting crtc %d state\n", |
| 2344 | ret, DRMID(crtc)); |
| 2345 | return ret; |
| 2346 | } |
| 2347 | |
| 2348 | ret = sde_crtc_helper_reset_custom_properties(crtc, crtc_state); |
| 2349 | if (ret) { |
| 2350 | SDE_ERROR("error %d resetting crtc props %d\n", |
| 2351 | ret, DRMID(crtc)); |
| 2352 | return ret; |
| 2353 | } |
| 2354 | } |
| 2355 | |
| 2356 | drm_for_each_connector(conn, dev) { |
| 2357 | conn_state = drm_atomic_get_connector_state(state, conn); |
| 2358 | if (IS_ERR(conn_state)) { |
| 2359 | ret = PTR_ERR(conn_state); |
| 2360 | SDE_ERROR("error %d getting connector %d state\n", |
| 2361 | ret, DRMID(conn)); |
| 2362 | return ret; |
| 2363 | } |
| 2364 | |
| 2365 | ret = sde_connector_helper_reset_custom_properties(conn, |
| 2366 | conn_state); |
| 2367 | if (ret) { |
| 2368 | SDE_ERROR("error %d resetting connector props %d\n", |
| 2369 | ret, DRMID(conn)); |
| 2370 | return ret; |
| 2371 | } |
| 2372 | } |
| 2373 | |
| 2374 | return ret; |
| 2375 | } |
| 2376 | |
| 2377 | static void sde_kms_lastclose(struct msm_kms *kms) |
| 2378 | { |
| 2379 | struct sde_kms *sde_kms; |
| 2380 | struct drm_device *dev; |
| 2381 | struct drm_atomic_state *state; |
| 2382 | int ret, i; |
| 2383 | |
| 2384 | if (!kms) { |
| 2385 | SDE_ERROR("invalid argument\n"); |
| 2386 | return; |
| 2387 | } |
| 2388 | |
| 2389 | sde_kms = to_sde_kms(kms); |
| 2390 | dev = sde_kms->dev; |
| 2391 | |
| 2392 | state = drm_atomic_state_alloc(dev); |
| 2393 | if (!state) |
| 2394 | return; |
| 2395 | |
| 2396 | state->acquire_ctx = dev->mode_config.acquire_ctx; |
| 2397 | |
| 2398 | for (i = 0; i < TEARDOWN_DEADLOCK_RETRY_MAX; i++) { |
| 2399 | /* add reset of custom properties to the state */ |
| 2400 | ret = _sde_kms_helper_reset_custom_properties(sde_kms, state); |
| 2401 | if (ret) |
| 2402 | break; |
| 2403 | |
| 2404 | ret = drm_atomic_commit(state); |
| 2405 | if (ret != -EDEADLK) |
| 2406 | break; |
| 2407 | |
| 2408 | drm_atomic_state_clear(state); |
| 2409 | drm_atomic_legacy_backoff(state); |
| 2410 | SDE_DEBUG("deadlock backoff on attempt %d\n", i); |
| 2411 | } |
| 2412 | |
| 2413 | if (ret) { |
| 2414 | /** |
| 2415 | * on success, atomic state object ownership transfers to |
| 2416 | * framework, otherwise, free it here |
| 2417 | */ |
| 2418 | drm_atomic_state_free(state); |
| 2419 | SDE_ERROR("failed to run last close: %d\n", ret); |
| 2420 | } |
| 2421 | } |
| 2422 | |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2423 | static int sde_kms_check_secure_transition(struct msm_kms *kms, |
| 2424 | struct drm_atomic_state *state) |
| 2425 | { |
| 2426 | struct sde_kms *sde_kms; |
| 2427 | struct drm_device *dev; |
| 2428 | struct drm_crtc *crtc; |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2429 | struct drm_crtc *cur_crtc = NULL, *global_crtc = NULL; |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2430 | struct drm_crtc_state *crtc_state; |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2431 | int active_crtc_cnt = 0, global_active_crtc_cnt = 0; |
| 2432 | bool sec_session = false, global_sec_session = false; |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2433 | int i; |
| 2434 | |
| 2435 | if (!kms || !state) { |
| 2436 | return -EINVAL; |
| 2437 | SDE_ERROR("invalid arguments\n"); |
| 2438 | } |
| 2439 | |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2440 | sde_kms = to_sde_kms(kms); |
| 2441 | dev = sde_kms->dev; |
| 2442 | |
| 2443 | /* iterate state object for active secure/non-secure crtc */ |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2444 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
| 2445 | if (!crtc_state->active) |
| 2446 | continue; |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2447 | |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2448 | active_crtc_cnt++; |
| 2449 | if (sde_crtc_get_secure_level(crtc, crtc_state) == |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2450 | SDE_DRM_SEC_ONLY) |
| 2451 | sec_session = true; |
| 2452 | |
| 2453 | cur_crtc = crtc; |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2454 | } |
| 2455 | |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2456 | /* iterate global list for active and secure crtc */ |
| 2457 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2458 | if (!crtc->state->active) |
| 2459 | continue; |
| 2460 | |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2461 | global_active_crtc_cnt++; |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2462 | if (sde_crtc_get_secure_level(crtc, crtc->state) == |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2463 | SDE_DRM_SEC_ONLY) |
| 2464 | global_sec_session = true; |
| 2465 | |
| 2466 | global_crtc = crtc; |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2467 | } |
| 2468 | |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2469 | /* |
| 2470 | * - fail secure crtc commit, if any other crtc session is already |
| 2471 | * in progress |
| 2472 | * - fail non-secure crtc commit, if any secure crtc session is already |
| 2473 | * in progress |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2474 | */ |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2475 | if (global_sec_session || sec_session) { |
| 2476 | if ((global_active_crtc_cnt > |
| 2477 | MAX_ALLOWED_CRTC_CNT_DURING_SECURE) || |
| 2478 | (active_crtc_cnt > MAX_ALLOWED_CRTC_CNT_DURING_SECURE)) { |
| 2479 | SDE_ERROR( |
| 2480 | "Secure check failed global_active:%d active:%d\n", |
| 2481 | global_active_crtc_cnt, active_crtc_cnt); |
| 2482 | return -EPERM; |
| 2483 | |
| 2484 | /* |
| 2485 | * As only one crtc is allowed during secure session, the crtc |
| 2486 | * in this commit should match with the global crtc, if it |
| 2487 | * exists |
| 2488 | */ |
| 2489 | } else if (global_crtc && (global_crtc != cur_crtc)) { |
| 2490 | SDE_ERROR( |
| 2491 | "crtc%d-sec%d not allowed during crtc%d-sec%d\n", |
Veera Sundaram Sankaran | 4db71f2 | 2017-11-16 14:33:10 -0800 | [diff] [blame] | 2492 | cur_crtc ? cur_crtc->base.id : -1, sec_session, |
Veera Sundaram Sankaran | f9fca5f | 2017-10-30 14:30:29 -0700 | [diff] [blame] | 2493 | global_crtc->base.id, global_sec_session); |
| 2494 | return -EPERM; |
| 2495 | } |
| 2496 | |
| 2497 | } |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2498 | |
| 2499 | return 0; |
| 2500 | } |
| 2501 | |
| 2502 | static int sde_kms_atomic_check(struct msm_kms *kms, |
| 2503 | struct drm_atomic_state *state) |
| 2504 | { |
| 2505 | struct sde_kms *sde_kms; |
| 2506 | struct drm_device *dev; |
| 2507 | int ret; |
| 2508 | |
| 2509 | if (!kms || !state) |
| 2510 | return -EINVAL; |
| 2511 | |
| 2512 | sde_kms = to_sde_kms(kms); |
| 2513 | dev = sde_kms->dev; |
| 2514 | |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2515 | if (sde_kms_is_suspend_blocked(dev)) { |
| 2516 | SDE_DEBUG("suspended, skip atomic_check\n"); |
| 2517 | return -EBUSY; |
| 2518 | } |
| 2519 | |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2520 | ret = drm_atomic_helper_check(dev, state); |
| 2521 | if (ret) |
| 2522 | return ret; |
| 2523 | /* |
| 2524 | * Check if any secure transition(moving CRTC between secure and |
| 2525 | * non-secure state and vice-versa) is allowed or not. when moving |
| 2526 | * to secure state, planes with fb_mode set to dir_translated only can |
| 2527 | * be staged on the CRTC, and only one CRTC can be active during |
| 2528 | * Secure state |
| 2529 | */ |
| 2530 | return sde_kms_check_secure_transition(kms, state); |
| 2531 | } |
| 2532 | |
Jordan Crouse | d8e9652 | 2017-02-13 10:14:16 -0700 | [diff] [blame] | 2533 | static struct msm_gem_address_space* |
| 2534 | _sde_kms_get_address_space(struct msm_kms *kms, |
| 2535 | unsigned int domain) |
| 2536 | { |
| 2537 | struct sde_kms *sde_kms; |
| 2538 | |
| 2539 | if (!kms) { |
| 2540 | SDE_ERROR("invalid kms\n"); |
| 2541 | return NULL; |
| 2542 | } |
| 2543 | |
| 2544 | sde_kms = to_sde_kms(kms); |
| 2545 | if (!sde_kms) { |
| 2546 | SDE_ERROR("invalid sde_kms\n"); |
| 2547 | return NULL; |
| 2548 | } |
| 2549 | |
| 2550 | if (domain >= MSM_SMMU_DOMAIN_MAX) |
| 2551 | return NULL; |
| 2552 | |
Abhijit Kulkarni | f4657b1 | 2017-06-28 18:40:19 -0700 | [diff] [blame] | 2553 | return (sde_kms->aspace[domain] && |
| 2554 | sde_kms->aspace[domain]->domain_attached) ? |
| 2555 | sde_kms->aspace[domain] : NULL; |
Jordan Crouse | d8e9652 | 2017-02-13 10:14:16 -0700 | [diff] [blame] | 2556 | } |
| 2557 | |
Tatenda Chipeperekwa | c72985b | 2017-07-31 16:27:56 -0700 | [diff] [blame] | 2558 | static void _sde_kms_post_open(struct msm_kms *kms, struct drm_file *file) |
| 2559 | { |
| 2560 | struct drm_device *dev = NULL; |
| 2561 | struct sde_kms *sde_kms = NULL; |
Padmanabhan Komanduru | 71aec2d | 2017-08-30 20:07:59 +0530 | [diff] [blame] | 2562 | struct drm_connector *connector = NULL; |
| 2563 | struct sde_connector *sde_conn = NULL; |
Tatenda Chipeperekwa | c72985b | 2017-07-31 16:27:56 -0700 | [diff] [blame] | 2564 | |
| 2565 | if (!kms) { |
| 2566 | SDE_ERROR("invalid kms\n"); |
| 2567 | return; |
| 2568 | } |
| 2569 | |
| 2570 | sde_kms = to_sde_kms(kms); |
| 2571 | dev = sde_kms->dev; |
| 2572 | |
| 2573 | if (!dev) { |
| 2574 | SDE_ERROR("invalid device\n"); |
| 2575 | return; |
| 2576 | } |
| 2577 | |
Padmanabhan Komanduru | 71aec2d | 2017-08-30 20:07:59 +0530 | [diff] [blame] | 2578 | if (!dev->mode_config.poll_enabled) |
| 2579 | return; |
| 2580 | |
| 2581 | mutex_lock(&dev->mode_config.mutex); |
| 2582 | drm_for_each_connector(connector, dev) { |
| 2583 | /* Only handle HPD capable connectors. */ |
| 2584 | if (!(connector->polled & DRM_CONNECTOR_POLL_HPD)) |
| 2585 | continue; |
| 2586 | |
| 2587 | sde_conn = to_sde_connector(connector); |
| 2588 | |
Ajay Singh Parmar | 315e585 | 2017-11-23 21:47:32 -0800 | [diff] [blame] | 2589 | if (sde_conn->ops.post_open) |
| 2590 | sde_conn->ops.post_open(sde_conn->display); |
Padmanabhan Komanduru | 71aec2d | 2017-08-30 20:07:59 +0530 | [diff] [blame] | 2591 | } |
| 2592 | mutex_unlock(&dev->mode_config.mutex); |
| 2593 | |
Tatenda Chipeperekwa | c72985b | 2017-07-31 16:27:56 -0700 | [diff] [blame] | 2594 | } |
| 2595 | |
Chandan Uddaraju | 3f2cf42 | 2017-06-15 15:37:39 -0700 | [diff] [blame] | 2596 | static int sde_kms_cont_splash_config(struct msm_kms *kms) |
| 2597 | { |
| 2598 | void *display; |
| 2599 | struct dsi_display *dsi_display; |
| 2600 | struct msm_display_info info; |
| 2601 | struct drm_encoder *encoder = NULL; |
| 2602 | struct drm_crtc *crtc = NULL; |
| 2603 | int i, rc = 0; |
| 2604 | struct drm_display_mode *drm_mode = NULL; |
| 2605 | struct drm_device *dev; |
| 2606 | struct msm_drm_private *priv; |
| 2607 | struct sde_kms *sde_kms; |
Jeykumar Sankaran | 74d7c38 | 2017-11-10 17:20:17 -0800 | [diff] [blame] | 2608 | struct list_head *connector_list = NULL; |
| 2609 | struct drm_connector *conn_iter = NULL; |
| 2610 | struct drm_connector *connector = NULL; |
Sandeep Panda | 8693e8f | 2018-03-08 08:16:44 +0530 | [diff] [blame] | 2611 | struct sde_connector *sde_conn = NULL; |
Chandan Uddaraju | 3f2cf42 | 2017-06-15 15:37:39 -0700 | [diff] [blame] | 2612 | |
| 2613 | if (!kms) { |
| 2614 | SDE_ERROR("invalid kms\n"); |
| 2615 | return -EINVAL; |
| 2616 | } |
| 2617 | |
| 2618 | sde_kms = to_sde_kms(kms); |
| 2619 | dev = sde_kms->dev; |
| 2620 | if (!dev || !dev->platformdev) { |
| 2621 | SDE_ERROR("invalid device\n"); |
| 2622 | return -EINVAL; |
| 2623 | } |
| 2624 | |
Chandan Uddaraju | 9efbbe3 | 2017-11-09 23:57:05 -0800 | [diff] [blame] | 2625 | if (!sde_kms->splash_data.cont_splash_en) { |
Chandan Uddaraju | 3f2cf42 | 2017-06-15 15:37:39 -0700 | [diff] [blame] | 2626 | DRM_INFO("cont_splash feature not enabled\n"); |
| 2627 | return rc; |
| 2628 | } |
| 2629 | |
| 2630 | /* Currently, we only support one dsi display configuration */ |
| 2631 | /* dsi */ |
| 2632 | for (i = 0; i < sde_kms->dsi_display_count; ++i) { |
| 2633 | display = sde_kms->dsi_displays[i]; |
| 2634 | dsi_display = (struct dsi_display *)display; |
| 2635 | SDE_DEBUG("display->name = %s\n", dsi_display->name); |
| 2636 | |
| 2637 | if (dsi_display->bridge->base.encoder) { |
| 2638 | encoder = dsi_display->bridge->base.encoder; |
| 2639 | SDE_DEBUG("encoder name = %s\n", encoder->name); |
| 2640 | } |
| 2641 | memset(&info, 0x0, sizeof(info)); |
| 2642 | rc = dsi_display_get_info(&info, display); |
| 2643 | if (rc) { |
| 2644 | SDE_ERROR("dsi get_info %d failed\n", i); |
| 2645 | encoder = NULL; |
| 2646 | continue; |
| 2647 | } |
| 2648 | SDE_DEBUG("info.is_connected = %s, info.is_primary = %s\n", |
| 2649 | ((info.is_connected) ? "true" : "false"), |
| 2650 | ((info.is_primary) ? "true" : "false")); |
| 2651 | break; |
| 2652 | } |
| 2653 | |
| 2654 | if (!encoder) { |
| 2655 | SDE_ERROR("encoder not initialized\n"); |
| 2656 | return -EINVAL; |
| 2657 | } |
| 2658 | |
| 2659 | priv = sde_kms->dev->dev_private; |
| 2660 | encoder->crtc = priv->crtcs[0]; |
| 2661 | crtc = encoder->crtc; |
| 2662 | SDE_DEBUG("crtc id = %d\n", crtc->base.id); |
| 2663 | |
Jeykumar Sankaran | 74d7c38 | 2017-11-10 17:20:17 -0800 | [diff] [blame] | 2664 | |
| 2665 | mutex_lock(&dev->mode_config.mutex); |
| 2666 | connector_list = &dev->mode_config.connector_list; |
Shubhashree Dhar | cc9091d | 2018-05-10 15:56:42 +0530 | [diff] [blame] | 2667 | if (connector_list) { |
| 2668 | list_for_each_entry(conn_iter, connector_list, head) { |
| 2669 | /** |
| 2670 | * SDE_KMS doesn't attach more than one encoder to |
| 2671 | * a DSI connector. So it is safe to check only with |
| 2672 | * the first encoder entry. Revisit this logic if we |
| 2673 | * ever have to support continuous splash for |
| 2674 | * external displays in MST configuration. |
| 2675 | */ |
| 2676 | if (conn_iter && |
| 2677 | (conn_iter->encoder_ids[0] == encoder->base.id)) { |
| 2678 | connector = conn_iter; |
| 2679 | break; |
| 2680 | } |
Jeykumar Sankaran | 74d7c38 | 2017-11-10 17:20:17 -0800 | [diff] [blame] | 2681 | } |
| 2682 | } |
Jeykumar Sankaran | 74d7c38 | 2017-11-10 17:20:17 -0800 | [diff] [blame] | 2683 | if (!connector) { |
| 2684 | SDE_ERROR("connector not initialized\n"); |
| 2685 | mutex_unlock(&dev->mode_config.mutex); |
Chandan Uddaraju | 3f2cf42 | 2017-06-15 15:37:39 -0700 | [diff] [blame] | 2686 | return -EINVAL; |
| 2687 | } |
Jeykumar Sankaran | 74d7c38 | 2017-11-10 17:20:17 -0800 | [diff] [blame] | 2688 | |
| 2689 | if (connector->funcs->fill_modes) { |
| 2690 | connector->funcs->fill_modes(connector, |
| 2691 | dev->mode_config.max_width, |
| 2692 | dev->mode_config.max_height); |
| 2693 | } else { |
| 2694 | SDE_ERROR("fill_modes api not defined\n"); |
| 2695 | mutex_unlock(&dev->mode_config.mutex); |
| 2696 | return -EINVAL; |
| 2697 | } |
| 2698 | mutex_unlock(&dev->mode_config.mutex); |
| 2699 | |
| 2700 | crtc->state->encoder_mask = (1 << drm_encoder_index(encoder)); |
| 2701 | |
| 2702 | /* currently consider modes[0] as the preferred mode */ |
| 2703 | drm_mode = list_first_entry(&connector->modes, |
| 2704 | struct drm_display_mode, head); |
Chandan Uddaraju | 3f2cf42 | 2017-06-15 15:37:39 -0700 | [diff] [blame] | 2705 | SDE_DEBUG("drm_mode->name = %s, id=%d, type=0x%x, flags=0x%x\n", |
| 2706 | drm_mode->name, drm_mode->base.id, |
| 2707 | drm_mode->type, drm_mode->flags); |
| 2708 | |
| 2709 | /* Update CRTC drm structure */ |
| 2710 | crtc->state->active = true; |
| 2711 | rc = drm_atomic_set_mode_for_crtc(crtc->state, drm_mode); |
| 2712 | if (rc) { |
| 2713 | SDE_ERROR("Failed: set mode for crtc. rc = %d\n", rc); |
| 2714 | return rc; |
| 2715 | } |
| 2716 | drm_mode_copy(&crtc->state->adjusted_mode, drm_mode); |
| 2717 | drm_mode_copy(&crtc->mode, drm_mode); |
| 2718 | |
| 2719 | /* Update encoder structure */ |
| 2720 | sde_encoder_update_caps_for_cont_splash(encoder); |
| 2721 | |
| 2722 | sde_crtc_update_cont_splash_mixer_settings(crtc); |
| 2723 | |
Sandeep Panda | 8693e8f | 2018-03-08 08:16:44 +0530 | [diff] [blame] | 2724 | sde_conn = to_sde_connector(connector); |
| 2725 | if (sde_conn && sde_conn->ops.cont_splash_config) |
| 2726 | sde_conn->ops.cont_splash_config(sde_conn->display); |
| 2727 | |
Chandan Uddaraju | 3f2cf42 | 2017-06-15 15:37:39 -0700 | [diff] [blame] | 2728 | return rc; |
| 2729 | } |
| 2730 | |
Kalyan Thota | 2f0444a | 2018-04-20 17:50:33 +0530 | [diff] [blame] | 2731 | static bool sde_kms_check_for_splash(struct msm_kms *kms) |
| 2732 | { |
| 2733 | struct sde_kms *sde_kms; |
| 2734 | |
| 2735 | if (!kms) { |
| 2736 | SDE_ERROR("invalid kms\n"); |
| 2737 | return false; |
| 2738 | } |
| 2739 | |
| 2740 | sde_kms = to_sde_kms(kms); |
| 2741 | return sde_kms->splash_data.cont_splash_en; |
| 2742 | } |
| 2743 | |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2744 | static int sde_kms_pm_suspend(struct device *dev) |
| 2745 | { |
| 2746 | struct drm_device *ddev; |
| 2747 | struct drm_modeset_acquire_ctx ctx; |
| 2748 | struct drm_connector *conn; |
| 2749 | struct drm_atomic_state *state; |
| 2750 | struct sde_kms *sde_kms; |
Lloyd Atkinson | 84875dd | 2017-08-24 15:34:28 -0400 | [diff] [blame] | 2751 | int ret = 0, num_crtcs = 0; |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2752 | |
| 2753 | if (!dev) |
| 2754 | return -EINVAL; |
| 2755 | |
| 2756 | ddev = dev_get_drvdata(dev); |
| 2757 | if (!ddev || !ddev_to_msm_kms(ddev)) |
| 2758 | return -EINVAL; |
| 2759 | |
| 2760 | sde_kms = to_sde_kms(ddev_to_msm_kms(ddev)); |
| 2761 | SDE_EVT32(0); |
| 2762 | |
| 2763 | /* disable hot-plug polling */ |
| 2764 | drm_kms_helper_poll_disable(ddev); |
| 2765 | |
| 2766 | /* acquire modeset lock(s) */ |
| 2767 | drm_modeset_acquire_init(&ctx, 0); |
| 2768 | |
| 2769 | retry: |
| 2770 | ret = drm_modeset_lock_all_ctx(ddev, &ctx); |
| 2771 | if (ret) |
| 2772 | goto unlock; |
| 2773 | |
| 2774 | /* save current state for resume */ |
| 2775 | if (sde_kms->suspend_state) |
| 2776 | drm_atomic_state_free(sde_kms->suspend_state); |
| 2777 | sde_kms->suspend_state = drm_atomic_helper_duplicate_state(ddev, &ctx); |
| 2778 | if (IS_ERR_OR_NULL(sde_kms->suspend_state)) { |
| 2779 | DRM_ERROR("failed to back up suspend state\n"); |
| 2780 | sde_kms->suspend_state = NULL; |
| 2781 | goto unlock; |
| 2782 | } |
| 2783 | |
| 2784 | /* create atomic state to disable all CRTCs */ |
| 2785 | state = drm_atomic_state_alloc(ddev); |
| 2786 | if (IS_ERR_OR_NULL(state)) { |
| 2787 | DRM_ERROR("failed to allocate crtc disable state\n"); |
| 2788 | goto unlock; |
| 2789 | } |
| 2790 | |
| 2791 | state->acquire_ctx = &ctx; |
| 2792 | drm_for_each_connector(conn, ddev) { |
| 2793 | struct drm_crtc_state *crtc_state; |
| 2794 | uint64_t lp; |
| 2795 | |
| 2796 | if (!conn->state || !conn->state->crtc || |
| 2797 | conn->dpms != DRM_MODE_DPMS_ON) |
| 2798 | continue; |
| 2799 | |
| 2800 | lp = sde_connector_get_lp(conn); |
| 2801 | if (lp == SDE_MODE_DPMS_LP1) { |
| 2802 | /* transition LP1->LP2 on pm suspend */ |
| 2803 | ret = sde_connector_set_property_for_commit(conn, state, |
| 2804 | CONNECTOR_PROP_LP, SDE_MODE_DPMS_LP2); |
| 2805 | if (ret) { |
| 2806 | DRM_ERROR("failed to set lp2 for conn %d\n", |
| 2807 | conn->base.id); |
| 2808 | drm_atomic_state_free(state); |
| 2809 | goto unlock; |
| 2810 | } |
Lloyd Atkinson | 84875dd | 2017-08-24 15:34:28 -0400 | [diff] [blame] | 2811 | } |
| 2812 | |
| 2813 | if (lp != SDE_MODE_DPMS_LP2) { |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2814 | /* force CRTC to be inactive */ |
| 2815 | crtc_state = drm_atomic_get_crtc_state(state, |
| 2816 | conn->state->crtc); |
| 2817 | if (IS_ERR_OR_NULL(crtc_state)) { |
| 2818 | DRM_ERROR("failed to get crtc %d state\n", |
| 2819 | conn->state->crtc->base.id); |
| 2820 | drm_atomic_state_free(state); |
| 2821 | goto unlock; |
| 2822 | } |
Lloyd Atkinson | 84875dd | 2017-08-24 15:34:28 -0400 | [diff] [blame] | 2823 | |
| 2824 | if (lp != SDE_MODE_DPMS_LP1) |
| 2825 | crtc_state->active = false; |
| 2826 | ++num_crtcs; |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2827 | } |
| 2828 | } |
| 2829 | |
Lloyd Atkinson | 84875dd | 2017-08-24 15:34:28 -0400 | [diff] [blame] | 2830 | /* check for nothing to do */ |
| 2831 | if (num_crtcs == 0) { |
| 2832 | DRM_DEBUG("all crtcs are already in the off state\n"); |
| 2833 | drm_atomic_state_free(state); |
Dhaval Patel | 8a7c328 | 2017-12-05 00:41:58 -0800 | [diff] [blame] | 2834 | sde_kms->suspend_block = true; |
| 2835 | goto unlock; |
Lloyd Atkinson | 84875dd | 2017-08-24 15:34:28 -0400 | [diff] [blame] | 2836 | } |
| 2837 | |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2838 | /* commit the "disable all" state */ |
| 2839 | ret = drm_atomic_commit(state); |
| 2840 | if (ret < 0) { |
| 2841 | DRM_ERROR("failed to disable crtcs, %d\n", ret); |
| 2842 | drm_atomic_state_free(state); |
Lloyd Atkinson | 84875dd | 2017-08-24 15:34:28 -0400 | [diff] [blame] | 2843 | goto unlock; |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2844 | } |
| 2845 | |
Lloyd Atkinson | 84875dd | 2017-08-24 15:34:28 -0400 | [diff] [blame] | 2846 | sde_kms->suspend_block = true; |
| 2847 | |
Dhaval Patel | 8a7c328 | 2017-12-05 00:41:58 -0800 | [diff] [blame] | 2848 | drm_for_each_connector(conn, ddev) { |
| 2849 | uint64_t lp; |
| 2850 | |
| 2851 | lp = sde_connector_get_lp(conn); |
| 2852 | if (lp != SDE_MODE_DPMS_LP2) |
| 2853 | continue; |
| 2854 | |
| 2855 | ret = sde_encoder_wait_for_event(conn->encoder, |
| 2856 | MSM_ENC_TX_COMPLETE); |
| 2857 | if (ret && ret != -EWOULDBLOCK) |
| 2858 | SDE_ERROR( |
| 2859 | "[enc: %d] wait for commit done returned %d\n", |
| 2860 | conn->encoder->base.id, ret); |
| 2861 | else if (!ret) |
| 2862 | sde_encoder_idle_request(conn->encoder); |
| 2863 | } |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2864 | unlock: |
| 2865 | if (ret == -EDEADLK) { |
| 2866 | drm_modeset_backoff(&ctx); |
| 2867 | goto retry; |
| 2868 | } |
| 2869 | drm_modeset_drop_locks(&ctx); |
| 2870 | drm_modeset_acquire_fini(&ctx); |
| 2871 | |
| 2872 | return 0; |
| 2873 | } |
| 2874 | |
| 2875 | static int sde_kms_pm_resume(struct device *dev) |
| 2876 | { |
| 2877 | struct drm_device *ddev; |
| 2878 | struct sde_kms *sde_kms; |
| 2879 | int ret; |
| 2880 | |
| 2881 | if (!dev) |
| 2882 | return -EINVAL; |
| 2883 | |
| 2884 | ddev = dev_get_drvdata(dev); |
| 2885 | if (!ddev || !ddev_to_msm_kms(ddev)) |
| 2886 | return -EINVAL; |
| 2887 | |
| 2888 | sde_kms = to_sde_kms(ddev_to_msm_kms(ddev)); |
| 2889 | |
| 2890 | SDE_EVT32(sde_kms->suspend_state != NULL); |
| 2891 | |
| 2892 | drm_mode_config_reset(ddev); |
| 2893 | |
| 2894 | drm_modeset_lock_all(ddev); |
| 2895 | |
| 2896 | sde_kms->suspend_block = false; |
| 2897 | |
| 2898 | if (sde_kms->suspend_state) { |
| 2899 | sde_kms->suspend_state->acquire_ctx = |
| 2900 | ddev->mode_config.acquire_ctx; |
| 2901 | ret = drm_atomic_commit(sde_kms->suspend_state); |
| 2902 | if (ret < 0) { |
| 2903 | DRM_ERROR("failed to restore state, %d\n", ret); |
| 2904 | drm_atomic_state_free(sde_kms->suspend_state); |
| 2905 | } |
| 2906 | sde_kms->suspend_state = NULL; |
| 2907 | } |
| 2908 | drm_modeset_unlock_all(ddev); |
| 2909 | |
| 2910 | /* enable hot-plug polling */ |
| 2911 | drm_kms_helper_poll_enable(ddev); |
| 2912 | |
| 2913 | return 0; |
| 2914 | } |
| 2915 | |
Ben Chan | 78647cd | 2016-06-26 22:02:47 -0400 | [diff] [blame] | 2916 | static const struct msm_kms_funcs kms_funcs = { |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2917 | .hw_init = sde_kms_hw_init, |
Alan Kwong | 5a3ac75 | 2016-10-16 01:02:35 -0400 | [diff] [blame] | 2918 | .postinit = sde_kms_postinit, |
Ben Chan | 78647cd | 2016-06-26 22:02:47 -0400 | [diff] [blame] | 2919 | .irq_preinstall = sde_irq_preinstall, |
| 2920 | .irq_postinstall = sde_irq_postinstall, |
| 2921 | .irq_uninstall = sde_irq_uninstall, |
| 2922 | .irq = sde_irq, |
Lloyd Atkinson | 5217336c | 2016-09-15 18:21:18 -0400 | [diff] [blame] | 2923 | .preclose = sde_kms_preclose, |
Lloyd Atkinson | e08229c | 2017-10-02 17:53:30 -0400 | [diff] [blame] | 2924 | .lastclose = sde_kms_lastclose, |
Clarence Ip | 24f8066 | 2016-06-13 19:05:32 -0400 | [diff] [blame] | 2925 | .prepare_fence = sde_kms_prepare_fence, |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2926 | .prepare_commit = sde_kms_prepare_commit, |
| 2927 | .commit = sde_kms_commit, |
| 2928 | .complete_commit = sde_kms_complete_commit, |
| 2929 | .wait_for_crtc_commit_done = sde_kms_wait_for_commit_done, |
Abhijit Kulkarni | 1b3340c | 2017-06-22 12:39:37 -0700 | [diff] [blame] | 2930 | .wait_for_tx_complete = sde_kms_wait_for_frame_transfer_complete, |
Alan Kwong | f5dd86c | 2016-08-09 18:08:17 -0400 | [diff] [blame] | 2931 | .enable_vblank = sde_kms_enable_vblank, |
| 2932 | .disable_vblank = sde_kms_disable_vblank, |
Lloyd Atkinson | fa2489c | 2016-05-25 15:16:03 -0400 | [diff] [blame] | 2933 | .check_modified_format = sde_format_check_modified_format, |
Abhijit Kulkarni | 7444a7d | 2017-06-21 18:53:36 -0700 | [diff] [blame] | 2934 | .atomic_check = sde_kms_atomic_check, |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 2935 | .get_format = sde_get_msm_format, |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2936 | .round_pixclk = sde_kms_round_pixclk, |
Clarence Ip | d86f6e4 | 2017-08-08 18:31:00 -0400 | [diff] [blame] | 2937 | .pm_suspend = sde_kms_pm_suspend, |
| 2938 | .pm_resume = sde_kms_pm_resume, |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2939 | .destroy = sde_kms_destroy, |
Chandan Uddaraju | 3f2cf42 | 2017-06-15 15:37:39 -0700 | [diff] [blame] | 2940 | .cont_splash_config = sde_kms_cont_splash_config, |
Gopikrishnaiah Anandan | de2c81b | 2017-03-15 12:41:29 -0700 | [diff] [blame] | 2941 | .register_events = _sde_kms_register_events, |
Jordan Crouse | d8e9652 | 2017-02-13 10:14:16 -0700 | [diff] [blame] | 2942 | .get_address_space = _sde_kms_get_address_space, |
Tatenda Chipeperekwa | c72985b | 2017-07-31 16:27:56 -0700 | [diff] [blame] | 2943 | .postopen = _sde_kms_post_open, |
Kalyan Thota | 2f0444a | 2018-04-20 17:50:33 +0530 | [diff] [blame] | 2944 | .check_for_splash = sde_kms_check_for_splash, |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 2945 | }; |
| 2946 | |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 2947 | /* the caller api needs to turn on clock before calling it */ |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 2948 | static inline void _sde_kms_core_hw_rev_init(struct sde_kms *sde_kms) |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 2949 | { |
Dhaval Patel | 8873933 | 2017-04-11 11:08:04 -0700 | [diff] [blame] | 2950 | sde_kms->core_rev = readl_relaxed(sde_kms->mmio + 0x0); |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 2951 | } |
| 2952 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2953 | static int _sde_kms_mmu_destroy(struct sde_kms *sde_kms) |
| 2954 | { |
| 2955 | struct msm_mmu *mmu; |
| 2956 | int i; |
| 2957 | |
Jordan Crouse | d8e9652 | 2017-02-13 10:14:16 -0700 | [diff] [blame] | 2958 | for (i = ARRAY_SIZE(sde_kms->aspace) - 1; i >= 0; i--) { |
| 2959 | if (!sde_kms->aspace[i]) |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2960 | continue; |
| 2961 | |
Jordan Crouse | d8e9652 | 2017-02-13 10:14:16 -0700 | [diff] [blame] | 2962 | mmu = sde_kms->aspace[i]->mmu; |
| 2963 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2964 | mmu->funcs->detach(mmu, (const char **)iommu_ports, |
| 2965 | ARRAY_SIZE(iommu_ports)); |
Jordan Crouse | 12bf362 | 2017-02-13 10:14:11 -0700 | [diff] [blame] | 2966 | msm_gem_address_space_destroy(sde_kms->aspace[i]); |
| 2967 | |
Jordan Crouse | d8e9652 | 2017-02-13 10:14:16 -0700 | [diff] [blame] | 2968 | sde_kms->aspace[i] = NULL; |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 2969 | } |
| 2970 | |
| 2971 | return 0; |
| 2972 | } |
| 2973 | |
| 2974 | static int _sde_kms_mmu_init(struct sde_kms *sde_kms) |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 2975 | { |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 2976 | struct msm_mmu *mmu; |
| 2977 | int i, ret; |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 2978 | int early_map = 1; |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 2979 | |
Alan Kwong | 112a84f | 2016-05-24 20:49:21 -0400 | [diff] [blame] | 2980 | for (i = 0; i < MSM_SMMU_DOMAIN_MAX; i++) { |
Jordan Crouse | 12bf362 | 2017-02-13 10:14:11 -0700 | [diff] [blame] | 2981 | struct msm_gem_address_space *aspace; |
| 2982 | |
Alan Kwong | 112a84f | 2016-05-24 20:49:21 -0400 | [diff] [blame] | 2983 | mmu = msm_smmu_new(sde_kms->dev->dev, i); |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 2984 | if (IS_ERR(mmu)) { |
| 2985 | ret = PTR_ERR(mmu); |
Dhaval Patel | 5473cd2 | 2017-03-19 21:38:08 -0700 | [diff] [blame] | 2986 | SDE_DEBUG("failed to init iommu id %d: rc:%d\n", |
| 2987 | i, ret); |
Dhaval Patel | 5200c60 | 2017-01-17 15:53:37 -0800 | [diff] [blame] | 2988 | continue; |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 2989 | } |
| 2990 | |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 2991 | /* |
| 2992 | * Before attaching SMMU, we need to honor continuous splash |
| 2993 | * use case where hardware tries to fetch buffer from physical |
| 2994 | * address. To facilitate this requirement we need to have a |
| 2995 | * one to one mapping on SMMU until we have our first frame. |
| 2996 | */ |
Gopikrishnaiah Anandan | b38d329 | 2018-02-28 19:25:15 -0800 | [diff] [blame] | 2997 | if (i == MSM_SMMU_DOMAIN_UNSECURE) { |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 2998 | ret = mmu->funcs->set_attribute(mmu, |
| 2999 | DOMAIN_ATTR_EARLY_MAP, |
| 3000 | &early_map); |
| 3001 | if (ret) { |
| 3002 | SDE_ERROR("failed to set map att: %d\n", ret); |
| 3003 | goto fail; |
| 3004 | } |
| 3005 | } |
| 3006 | |
Abhijit Kulkarni | f4657b1 | 2017-06-28 18:40:19 -0700 | [diff] [blame] | 3007 | aspace = msm_gem_smmu_address_space_create(sde_kms->dev, |
Jordan Crouse | 12bf362 | 2017-02-13 10:14:11 -0700 | [diff] [blame] | 3008 | mmu, "sde"); |
| 3009 | if (IS_ERR(aspace)) { |
| 3010 | ret = PTR_ERR(aspace); |
| 3011 | mmu->funcs->destroy(mmu); |
| 3012 | goto fail; |
| 3013 | } |
| 3014 | |
| 3015 | sde_kms->aspace[i] = aspace; |
| 3016 | |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3017 | ret = mmu->funcs->attach(mmu, (const char **)iommu_ports, |
| 3018 | ARRAY_SIZE(iommu_ports)); |
| 3019 | if (ret) { |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3020 | SDE_ERROR("failed to attach iommu %d: %d\n", i, ret); |
Jordan Crouse | 12bf362 | 2017-02-13 10:14:11 -0700 | [diff] [blame] | 3021 | msm_gem_address_space_destroy(aspace); |
| 3022 | goto fail; |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3023 | } |
Abhijit Kulkarni | 329a94d | 2017-06-20 17:07:08 -0700 | [diff] [blame] | 3024 | aspace->domain_attached = true; |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3025 | early_map = 0; |
Gopikrishnaiah Anandan | b38d329 | 2018-02-28 19:25:15 -0800 | [diff] [blame] | 3026 | |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3027 | /* Mapping splash memory block */ |
| 3028 | if ((i == MSM_SMMU_DOMAIN_UNSECURE) && |
Gopikrishnaiah Anandan | b38d329 | 2018-02-28 19:25:15 -0800 | [diff] [blame] | 3029 | sde_kms->splash_data.splash_base) { |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3030 | ret = _sde_kms_splash_smmu_map(sde_kms->dev, mmu, |
| 3031 | &sde_kms->splash_data); |
| 3032 | if (ret) { |
| 3033 | SDE_ERROR("failed to map ret:%d\n", ret); |
| 3034 | goto fail; |
| 3035 | } |
Gopikrishnaiah Anandan | b38d329 | 2018-02-28 19:25:15 -0800 | [diff] [blame] | 3036 | } |
| 3037 | |
| 3038 | /* |
| 3039 | * Turning off early map after generating one to one |
| 3040 | * mapping for splash address space. |
| 3041 | */ |
| 3042 | ret = mmu->funcs->set_attribute(mmu, DOMAIN_ATTR_EARLY_MAP, |
| 3043 | &early_map); |
| 3044 | if (ret) { |
| 3045 | SDE_ERROR("failed to set map att ret:%d\n", ret); |
| 3046 | goto early_map_fail; |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3047 | } |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3048 | } |
| 3049 | |
| 3050 | return 0; |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3051 | early_map_fail: |
| 3052 | mmu->funcs->one_to_one_unmap(mmu, sde_kms->splash_data.splash_base, |
| 3053 | sde_kms->splash_data.splash_size); |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3054 | fail: |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3055 | mmu->funcs->destroy(mmu); |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 3056 | _sde_kms_mmu_destroy(sde_kms); |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3057 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 3058 | return ret; |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3059 | } |
| 3060 | |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 3061 | static void sde_kms_handle_power_event(u32 event_type, void *usr) |
| 3062 | { |
| 3063 | struct sde_kms *sde_kms = usr; |
Harsh Sahu | 08a4a74 | 2017-09-18 11:42:39 -0700 | [diff] [blame] | 3064 | struct msm_kms *msm_kms; |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 3065 | |
Harsh Sahu | 08a4a74 | 2017-09-18 11:42:39 -0700 | [diff] [blame] | 3066 | msm_kms = &sde_kms->base; |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 3067 | if (!sde_kms) |
| 3068 | return; |
| 3069 | |
Harsh Sahu | 08a4a74 | 2017-09-18 11:42:39 -0700 | [diff] [blame] | 3070 | SDE_DEBUG("event_type:%d\n", event_type); |
| 3071 | SDE_EVT32_VERBOSE(event_type); |
| 3072 | |
| 3073 | if (event_type == SDE_POWER_EVENT_POST_ENABLE) { |
| 3074 | sde_irq_update(msm_kms, true); |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 3075 | sde_vbif_init_memtypes(sde_kms); |
Harsh Sahu | 08a4a74 | 2017-09-18 11:42:39 -0700 | [diff] [blame] | 3076 | } else if (event_type == SDE_POWER_EVENT_PRE_DISABLE) { |
| 3077 | sde_irq_update(msm_kms, false); |
| 3078 | } |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 3079 | } |
Lloyd Atkinson | 113aefd | 2016-10-23 13:15:18 -0400 | [diff] [blame] | 3080 | |
Alan Kwong | 23afc2d9 | 2017-09-15 10:59:06 -0400 | [diff] [blame] | 3081 | #define genpd_to_sde_kms(domain) container_of(domain, struct sde_kms, genpd) |
| 3082 | |
| 3083 | static int sde_kms_pd_enable(struct generic_pm_domain *genpd) |
| 3084 | { |
| 3085 | struct sde_kms *sde_kms = genpd_to_sde_kms(genpd); |
| 3086 | struct drm_device *dev; |
| 3087 | struct msm_drm_private *priv; |
| 3088 | int rc; |
| 3089 | |
| 3090 | SDE_DEBUG("\n"); |
| 3091 | |
| 3092 | dev = sde_kms->dev; |
| 3093 | if (!dev) |
| 3094 | return -EINVAL; |
| 3095 | |
| 3096 | priv = dev->dev_private; |
| 3097 | if (!priv) |
| 3098 | return -EINVAL; |
| 3099 | |
| 3100 | SDE_EVT32(genpd->device_count); |
| 3101 | |
| 3102 | rc = sde_power_resource_enable(&priv->phandle, priv->pclient, true); |
| 3103 | |
| 3104 | return rc; |
| 3105 | } |
| 3106 | |
| 3107 | static int sde_kms_pd_disable(struct generic_pm_domain *genpd) |
| 3108 | { |
| 3109 | struct sde_kms *sde_kms = genpd_to_sde_kms(genpd); |
| 3110 | struct drm_device *dev; |
| 3111 | struct msm_drm_private *priv; |
| 3112 | int rc; |
| 3113 | |
| 3114 | SDE_DEBUG("\n"); |
| 3115 | |
| 3116 | dev = sde_kms->dev; |
| 3117 | if (!dev) |
| 3118 | return -EINVAL; |
| 3119 | |
| 3120 | priv = dev->dev_private; |
| 3121 | if (!priv) |
| 3122 | return -EINVAL; |
| 3123 | |
| 3124 | SDE_EVT32(genpd->device_count); |
| 3125 | |
| 3126 | rc = sde_power_resource_enable(&priv->phandle, priv->pclient, false); |
| 3127 | |
| 3128 | return rc; |
| 3129 | } |
| 3130 | |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 3131 | static int _sde_kms_get_splash_data(struct sde_splash_data *data) |
| 3132 | { |
| 3133 | int ret = 0; |
| 3134 | struct device_node *parent, *node; |
| 3135 | struct resource r; |
| 3136 | |
| 3137 | if (!data) |
| 3138 | return -EINVAL; |
| 3139 | |
| 3140 | parent = of_find_node_by_path("/reserved-memory"); |
| 3141 | if (!parent) { |
| 3142 | SDE_ERROR("failed to find reserved-memory node\n"); |
| 3143 | return -EINVAL; |
| 3144 | } |
| 3145 | |
| 3146 | node = of_find_node_by_name(parent, "cont_splash_region"); |
| 3147 | if (!node) { |
| 3148 | SDE_ERROR("failed to find splash memory reservation\n"); |
| 3149 | return -EINVAL; |
| 3150 | } |
| 3151 | |
| 3152 | if (of_address_to_resource(node, 0, &r)) { |
| 3153 | SDE_ERROR("failed to find data for splash memory\n"); |
| 3154 | return -EINVAL; |
| 3155 | } |
| 3156 | |
| 3157 | data->splash_base = (unsigned long)r.start; |
| 3158 | data->splash_size = (r.end - r.start) + 1; |
| 3159 | |
| 3160 | pr_info("found continuous splash base address:%lx size:%x\n", |
| 3161 | data->splash_base, |
| 3162 | data->splash_size); |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 3163 | return ret; |
| 3164 | } |
| 3165 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3166 | static int sde_kms_hw_init(struct msm_kms *kms) |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3167 | { |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3168 | struct sde_kms *sde_kms; |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3169 | struct drm_device *dev; |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3170 | struct msm_drm_private *priv; |
Chandan Uddaraju | 9efbbe3 | 2017-11-09 23:57:05 -0800 | [diff] [blame] | 3171 | struct sde_rm *rm = NULL; |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3172 | int i, rc = -EINVAL; |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3173 | |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3174 | if (!kms) { |
| 3175 | SDE_ERROR("invalid kms\n"); |
| 3176 | goto end; |
| 3177 | } |
| 3178 | |
| 3179 | sde_kms = to_sde_kms(kms); |
| 3180 | dev = sde_kms->dev; |
| 3181 | if (!dev || !dev->platformdev) { |
| 3182 | SDE_ERROR("invalid device\n"); |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3183 | goto end; |
| 3184 | } |
| 3185 | |
| 3186 | priv = dev->dev_private; |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3187 | if (!priv) { |
| 3188 | SDE_ERROR("invalid private data\n"); |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3189 | goto end; |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3190 | } |
| 3191 | |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3192 | sde_kms->mmio = msm_ioremap(dev->platformdev, "mdp_phys", "mdp_phys"); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3193 | if (IS_ERR(sde_kms->mmio)) { |
| 3194 | rc = PTR_ERR(sde_kms->mmio); |
| 3195 | SDE_ERROR("mdp register memory map failed: %d\n", rc); |
| 3196 | sde_kms->mmio = NULL; |
| 3197 | goto error; |
| 3198 | } |
Lakshmi Narayana Kalavala | 89b6cbe | 2018-05-11 11:28:12 -0700 | [diff] [blame] | 3199 | DRM_INFO("mapped mdp address space @%pK\n", sde_kms->mmio); |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3200 | sde_kms->mmio_len = msm_iomap_size(dev->platformdev, "mdp_phys"); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3201 | |
Lloyd Atkinson | 113aefd | 2016-10-23 13:15:18 -0400 | [diff] [blame] | 3202 | rc = sde_dbg_reg_register_base(SDE_DBG_NAME, sde_kms->mmio, |
| 3203 | sde_kms->mmio_len); |
| 3204 | if (rc) |
| 3205 | SDE_ERROR("dbg base register kms failed: %d\n", rc); |
| 3206 | |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3207 | sde_kms->vbif[VBIF_RT] = msm_ioremap(dev->platformdev, "vbif_phys", |
| 3208 | "vbif_phys"); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3209 | if (IS_ERR(sde_kms->vbif[VBIF_RT])) { |
| 3210 | rc = PTR_ERR(sde_kms->vbif[VBIF_RT]); |
| 3211 | SDE_ERROR("vbif register memory map failed: %d\n", rc); |
| 3212 | sde_kms->vbif[VBIF_RT] = NULL; |
| 3213 | goto error; |
| 3214 | } |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3215 | sde_kms->vbif_len[VBIF_RT] = msm_iomap_size(dev->platformdev, |
| 3216 | "vbif_phys"); |
Lloyd Atkinson | 113aefd | 2016-10-23 13:15:18 -0400 | [diff] [blame] | 3217 | rc = sde_dbg_reg_register_base("vbif_rt", sde_kms->vbif[VBIF_RT], |
| 3218 | sde_kms->vbif_len[VBIF_RT]); |
| 3219 | if (rc) |
| 3220 | SDE_ERROR("dbg base register vbif_rt failed: %d\n", rc); |
| 3221 | |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3222 | sde_kms->vbif[VBIF_NRT] = msm_ioremap(dev->platformdev, "vbif_nrt_phys", |
| 3223 | "vbif_nrt_phys"); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3224 | if (IS_ERR(sde_kms->vbif[VBIF_NRT])) { |
| 3225 | sde_kms->vbif[VBIF_NRT] = NULL; |
| 3226 | SDE_DEBUG("VBIF NRT is not defined"); |
Lloyd Atkinson | 113aefd | 2016-10-23 13:15:18 -0400 | [diff] [blame] | 3227 | } else { |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3228 | sde_kms->vbif_len[VBIF_NRT] = msm_iomap_size(dev->platformdev, |
| 3229 | "vbif_nrt_phys"); |
Lloyd Atkinson | 113aefd | 2016-10-23 13:15:18 -0400 | [diff] [blame] | 3230 | rc = sde_dbg_reg_register_base("vbif_nrt", |
| 3231 | sde_kms->vbif[VBIF_NRT], |
| 3232 | sde_kms->vbif_len[VBIF_NRT]); |
| 3233 | if (rc) |
| 3234 | SDE_ERROR("dbg base register vbif_nrt failed: %d\n", |
| 3235 | rc); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3236 | } |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3237 | |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3238 | sde_kms->reg_dma = msm_ioremap(dev->platformdev, "regdma_phys", |
| 3239 | "regdma_phys"); |
Gopikrishnaiah Anandan | 7e3e3f5 | 2016-12-22 11:13:05 -0800 | [diff] [blame] | 3240 | if (IS_ERR(sde_kms->reg_dma)) { |
| 3241 | sde_kms->reg_dma = NULL; |
| 3242 | SDE_DEBUG("REG_DMA is not defined"); |
Lloyd Atkinson | 113aefd | 2016-10-23 13:15:18 -0400 | [diff] [blame] | 3243 | } else { |
Dhaval Patel | a243084 | 2017-06-15 14:32:36 -0700 | [diff] [blame] | 3244 | sde_kms->reg_dma_len = msm_iomap_size(dev->platformdev, |
| 3245 | "regdma_phys"); |
Gopikrishnaiah Anandan | bc5aa79 | 2017-08-23 18:30:08 -0700 | [diff] [blame] | 3246 | rc = sde_dbg_reg_register_base("reg_dma", |
Lloyd Atkinson | 113aefd | 2016-10-23 13:15:18 -0400 | [diff] [blame] | 3247 | sde_kms->reg_dma, |
| 3248 | sde_kms->reg_dma_len); |
| 3249 | if (rc) |
| 3250 | SDE_ERROR("dbg base register reg_dma failed: %d\n", |
| 3251 | rc); |
Gopikrishnaiah Anandan | 7e3e3f5 | 2016-12-22 11:13:05 -0800 | [diff] [blame] | 3252 | } |
| 3253 | |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3254 | sde_kms->core_client = sde_power_client_create(&priv->phandle, "core"); |
| 3255 | if (IS_ERR_OR_NULL(sde_kms->core_client)) { |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3256 | rc = PTR_ERR(sde_kms->core_client); |
Dhaval Patel | 5398f60 | 2017-03-25 18:25:18 -0700 | [diff] [blame] | 3257 | if (!sde_kms->core_client) |
| 3258 | rc = -EINVAL; |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3259 | SDE_ERROR("sde power client create failed: %d\n", rc); |
| 3260 | sde_kms->core_client = NULL; |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3261 | goto error; |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3262 | } |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3263 | |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 3264 | rc = _sde_kms_get_splash_data(&sde_kms->splash_data); |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3265 | if (rc) |
Vara Reddy | c90c7fe | 2017-11-10 17:02:02 -0800 | [diff] [blame] | 3266 | SDE_DEBUG("sde splash data fetch failed: %d\n", rc); |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 3267 | |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3268 | rc = sde_power_resource_enable(&priv->phandle, sde_kms->core_client, |
| 3269 | true); |
| 3270 | if (rc) { |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3271 | SDE_ERROR("resource enable failed: %d\n", rc); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3272 | goto error; |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3273 | } |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3274 | |
Dhaval Patel | b0a25be | 2017-12-11 22:38:26 -0800 | [diff] [blame] | 3275 | for (i = 0; i < SDE_POWER_HANDLE_DBUS_ID_MAX; i++) |
| 3276 | sde_power_data_bus_set_quota(&priv->phandle, |
| 3277 | sde_kms->core_client, |
| 3278 | SDE_POWER_HANDLE_DATA_BUS_CLIENT_RT, i, |
| 3279 | SDE_POWER_HANDLE_CONT_SPLASH_BUS_AB_QUOTA, |
| 3280 | SDE_POWER_HANDLE_CONT_SPLASH_BUS_IB_QUOTA); |
| 3281 | |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 3282 | _sde_kms_core_hw_rev_init(sde_kms); |
Lloyd Atkinson | 11f3444 | 2016-08-11 11:19:52 -0400 | [diff] [blame] | 3283 | |
Dhaval Patel | b271b84 | 2016-10-19 21:41:22 -0700 | [diff] [blame] | 3284 | pr_info("sde hardware revision:0x%x\n", sde_kms->core_rev); |
| 3285 | |
Dhaval Patel | 8bf7ff3 | 2016-07-20 18:13:24 -0700 | [diff] [blame] | 3286 | sde_kms->catalog = sde_hw_catalog_init(dev, sde_kms->core_rev); |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3287 | if (IS_ERR_OR_NULL(sde_kms->catalog)) { |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3288 | rc = PTR_ERR(sde_kms->catalog); |
Dhaval Patel | 5398f60 | 2017-03-25 18:25:18 -0700 | [diff] [blame] | 3289 | if (!sde_kms->catalog) |
| 3290 | rc = -EINVAL; |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3291 | SDE_ERROR("catalog init failed: %d\n", rc); |
| 3292 | sde_kms->catalog = NULL; |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3293 | goto power_error; |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3294 | } |
| 3295 | |
Lloyd Atkinson | 274cc46 | 2017-02-21 11:52:06 -0500 | [diff] [blame] | 3296 | sde_dbg_init_dbg_buses(sde_kms->core_rev); |
| 3297 | |
Chandan Uddaraju | 9efbbe3 | 2017-11-09 23:57:05 -0800 | [diff] [blame] | 3298 | rm = &sde_kms->rm; |
| 3299 | rc = sde_rm_init(rm, sde_kms->catalog, sde_kms->mmio, |
| 3300 | sde_kms->dev); |
| 3301 | if (rc) { |
| 3302 | SDE_ERROR("rm init failed: %d\n", rc); |
| 3303 | goto power_error; |
| 3304 | } |
| 3305 | |
| 3306 | sde_kms->rm_init = true; |
| 3307 | |
Chandan Uddaraju | fa18406 | 2017-11-28 17:26:31 -0800 | [diff] [blame] | 3308 | sde_kms->hw_intr = sde_hw_intr_init(sde_kms->mmio, sde_kms->catalog); |
| 3309 | if (IS_ERR_OR_NULL(sde_kms->hw_intr)) { |
| 3310 | rc = PTR_ERR(sde_kms->hw_intr); |
| 3311 | SDE_ERROR("hw_intr init failed: %d\n", rc); |
| 3312 | sde_kms->hw_intr = NULL; |
| 3313 | goto hw_intr_init_err; |
| 3314 | } |
| 3315 | |
Vara Reddy | c90c7fe | 2017-11-10 17:02:02 -0800 | [diff] [blame] | 3316 | /* |
| 3317 | * Attempt continuous splash handoff only if reserved |
| 3318 | * splash memory is found. |
| 3319 | */ |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3320 | if (sde_kms->splash_data.splash_base) |
Chandan Uddaraju | fa18406 | 2017-11-28 17:26:31 -0800 | [diff] [blame] | 3321 | sde_rm_cont_splash_res_init(priv, &sde_kms->rm, |
Chandan Uddaraju | 9efbbe3 | 2017-11-09 23:57:05 -0800 | [diff] [blame] | 3322 | &sde_kms->splash_data, |
| 3323 | sde_kms->catalog); |
Gopikrishnaiah Anandan | e69dc59 | 2017-03-29 14:00:55 -0700 | [diff] [blame] | 3324 | |
Gopikrishnaiah Anandan | b38d329 | 2018-02-28 19:25:15 -0800 | [diff] [blame] | 3325 | sde_kms->splash_data.resource_handoff_pending = true; |
Shashank Babu Chinta Venkata | acb1bc9 | 2017-11-06 11:55:49 -0800 | [diff] [blame] | 3326 | |
Gopikrishnaiah Anandan | 7e3e3f5 | 2016-12-22 11:13:05 -0800 | [diff] [blame] | 3327 | /* Initialize reg dma block which is a singleton */ |
| 3328 | rc = sde_reg_dma_init(sde_kms->reg_dma, sde_kms->catalog, |
| 3329 | sde_kms->dev); |
| 3330 | if (rc) { |
| 3331 | SDE_ERROR("failed: reg dma init failed\n"); |
| 3332 | goto power_error; |
| 3333 | } |
| 3334 | |
Chandan Uddaraju | 9bb109a | 2017-10-29 18:08:51 -0700 | [diff] [blame] | 3335 | rc = _sde_kms_mmu_init(sde_kms); |
| 3336 | if (rc) { |
| 3337 | SDE_ERROR("sde_kms_mmu_init failed: %d\n", rc); |
| 3338 | goto power_error; |
| 3339 | } |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3340 | sde_kms->hw_mdp = sde_rm_get_mdp(&sde_kms->rm); |
| 3341 | if (IS_ERR_OR_NULL(sde_kms->hw_mdp)) { |
| 3342 | rc = PTR_ERR(sde_kms->hw_mdp); |
Dhaval Patel | 5398f60 | 2017-03-25 18:25:18 -0700 | [diff] [blame] | 3343 | if (!sde_kms->hw_mdp) |
| 3344 | rc = -EINVAL; |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3345 | SDE_ERROR("failed to get hw_mdp: %d\n", rc); |
| 3346 | sde_kms->hw_mdp = NULL; |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3347 | goto power_error; |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3348 | } |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3349 | |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 3350 | for (i = 0; i < sde_kms->catalog->vbif_count; i++) { |
| 3351 | u32 vbif_idx = sde_kms->catalog->vbif[i].id; |
| 3352 | |
| 3353 | sde_kms->hw_vbif[i] = sde_hw_vbif_init(vbif_idx, |
| 3354 | sde_kms->vbif[vbif_idx], sde_kms->catalog); |
| 3355 | if (IS_ERR_OR_NULL(sde_kms->hw_vbif[vbif_idx])) { |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3356 | rc = PTR_ERR(sde_kms->hw_vbif[vbif_idx]); |
Dhaval Patel | 5398f60 | 2017-03-25 18:25:18 -0700 | [diff] [blame] | 3357 | if (!sde_kms->hw_vbif[vbif_idx]) |
| 3358 | rc = -EINVAL; |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3359 | SDE_ERROR("failed to init vbif %d: %d\n", vbif_idx, rc); |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 3360 | sde_kms->hw_vbif[vbif_idx] = NULL; |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3361 | goto power_error; |
Alan Kwong | 5d324e4 | 2016-07-28 22:56:18 -0400 | [diff] [blame] | 3362 | } |
| 3363 | } |
| 3364 | |
Alan Kwong | 54125bb | 2017-02-26 16:01:36 -0800 | [diff] [blame] | 3365 | sde_kms->iclient = msm_ion_client_create(dev->unique); |
| 3366 | if (IS_ERR(sde_kms->iclient)) { |
| 3367 | rc = PTR_ERR(sde_kms->iclient); |
| 3368 | SDE_DEBUG("msm_ion_client not available: %d\n", rc); |
| 3369 | sde_kms->iclient = NULL; |
| 3370 | } |
| 3371 | |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3372 | |
Alan Kwong | 67a3f79 | 2016-11-01 23:16:53 -0400 | [diff] [blame] | 3373 | rc = sde_core_perf_init(&sde_kms->perf, dev, sde_kms->catalog, |
Dhaval Patel | 446446e | 2017-04-21 19:38:17 -0700 | [diff] [blame] | 3374 | &priv->phandle, priv->pclient, "core_clk"); |
Alan Kwong | 67a3f79 | 2016-11-01 23:16:53 -0400 | [diff] [blame] | 3375 | if (rc) { |
| 3376 | SDE_ERROR("failed to init perf %d\n", rc); |
| 3377 | goto perf_err; |
| 3378 | } |
| 3379 | |
Clarence Ip | 4ce5932 | 2016-06-26 22:27:51 -0400 | [diff] [blame] | 3380 | /* |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 3381 | * _sde_kms_drm_obj_init should create the DRM related objects |
| 3382 | * i.e. CRTCs, planes, encoders, connectors and so forth |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3383 | */ |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 3384 | rc = _sde_kms_drm_obj_init(sde_kms); |
| 3385 | if (rc) { |
| 3386 | SDE_ERROR("modeset init failed: %d\n", rc); |
Alan Kwong | 67a3f79 | 2016-11-01 23:16:53 -0400 | [diff] [blame] | 3387 | goto drm_obj_init_err; |
Lloyd Atkinson | 1e2497e | 2016-09-26 17:55:48 -0400 | [diff] [blame] | 3388 | } |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3389 | |
Dhaval Patel | 79797b1 | 2018-02-13 19:58:05 -0800 | [diff] [blame] | 3390 | dev->mode_config.min_width = sde_kms->catalog->min_display_width; |
| 3391 | dev->mode_config.min_height = sde_kms->catalog->min_display_height; |
| 3392 | dev->mode_config.max_width = sde_kms->catalog->max_display_width; |
| 3393 | dev->mode_config.max_height = sde_kms->catalog->max_display_height; |
Abhijit Kulkarni | 3e3e0d2 | 2016-06-24 17:56:13 -0400 | [diff] [blame] | 3394 | |
Dhaval Patel | 6c9cb2b | 2017-12-14 23:08:32 -0800 | [diff] [blame] | 3395 | mutex_init(&sde_kms->secure_transition_lock); |
| 3396 | atomic_set(&sde_kms->detach_sec_cb, 0); |
| 3397 | atomic_set(&sde_kms->detach_all_cb, 0); |
| 3398 | |
Lloyd Atkinson | fa2489c | 2016-05-25 15:16:03 -0400 | [diff] [blame] | 3399 | /* |
| 3400 | * Support format modifiers for compression etc. |
| 3401 | */ |
| 3402 | dev->mode_config.allow_fb_modifiers = true; |
| 3403 | |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 3404 | /* |
| 3405 | * Handle (re)initializations during power enable |
| 3406 | */ |
| 3407 | sde_kms_handle_power_event(SDE_POWER_EVENT_POST_ENABLE, sde_kms); |
| 3408 | sde_kms->power_event = sde_power_handle_register_event(&priv->phandle, |
Harsh Sahu | 08a4a74 | 2017-09-18 11:42:39 -0700 | [diff] [blame] | 3409 | SDE_POWER_EVENT_POST_ENABLE | |
| 3410 | SDE_POWER_EVENT_PRE_DISABLE, |
Clarence Ip | 7f0de63 | 2017-05-31 14:59:14 -0400 | [diff] [blame] | 3411 | sde_kms_handle_power_event, sde_kms, "kms"); |
| 3412 | |
Alan Kwong | 23afc2d9 | 2017-09-15 10:59:06 -0400 | [diff] [blame] | 3413 | /* initialize power domain if defined */ |
| 3414 | if (of_find_property(dev->dev->of_node, "#power-domain-cells", NULL)) { |
| 3415 | sde_kms->genpd.name = dev->unique; |
| 3416 | sde_kms->genpd.power_off = sde_kms_pd_disable; |
| 3417 | sde_kms->genpd.power_on = sde_kms_pd_enable; |
| 3418 | |
| 3419 | rc = pm_genpd_init(&sde_kms->genpd, NULL, true); |
| 3420 | if (rc < 0) { |
| 3421 | SDE_ERROR("failed to init genpd provider %s: %d\n", |
| 3422 | sde_kms->genpd.name, rc); |
| 3423 | goto genpd_err; |
| 3424 | } |
| 3425 | |
| 3426 | rc = of_genpd_add_provider_simple(dev->dev->of_node, |
| 3427 | &sde_kms->genpd); |
| 3428 | if (rc < 0) { |
| 3429 | SDE_ERROR("failed to add genpd provider %s: %d\n", |
| 3430 | sde_kms->genpd.name, rc); |
| 3431 | pm_genpd_remove(&sde_kms->genpd); |
| 3432 | goto genpd_err; |
| 3433 | } |
| 3434 | |
| 3435 | sde_kms->genpd_init = true; |
| 3436 | SDE_DEBUG("added genpd provider %s\n", sde_kms->genpd.name); |
| 3437 | } |
| 3438 | |
Raviteja Tamatam | 30fa3e3 | 2018-01-04 21:00:22 +0530 | [diff] [blame] | 3439 | if (sde_kms->splash_data.cont_splash_en) { |
Chandan Uddaraju | 18f0940 | 2017-09-29 11:54:29 -0700 | [diff] [blame] | 3440 | SDE_DEBUG("Skipping MDP Resources disable\n"); |
Raviteja Tamatam | 30fa3e3 | 2018-01-04 21:00:22 +0530 | [diff] [blame] | 3441 | } else { |
| 3442 | for (i = 0; i < SDE_POWER_HANDLE_DBUS_ID_MAX; i++) |
| 3443 | sde_power_data_bus_set_quota(&priv->phandle, |
| 3444 | sde_kms->core_client, |
| 3445 | SDE_POWER_HANDLE_DATA_BUS_CLIENT_RT, i, |
| 3446 | SDE_POWER_HANDLE_ENABLE_BUS_AB_QUOTA, |
| 3447 | SDE_POWER_HANDLE_ENABLE_BUS_IB_QUOTA); |
| 3448 | |
Chandan Uddaraju | 18f0940 | 2017-09-29 11:54:29 -0700 | [diff] [blame] | 3449 | sde_power_resource_enable(&priv->phandle, |
| 3450 | sde_kms->core_client, false); |
Raviteja Tamatam | 30fa3e3 | 2018-01-04 21:00:22 +0530 | [diff] [blame] | 3451 | } |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3452 | return 0; |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3453 | |
Alan Kwong | 23afc2d9 | 2017-09-15 10:59:06 -0400 | [diff] [blame] | 3454 | genpd_err: |
Alan Kwong | 67a3f79 | 2016-11-01 23:16:53 -0400 | [diff] [blame] | 3455 | drm_obj_init_err: |
| 3456 | sde_core_perf_destroy(&sde_kms->perf); |
Abhinav Kumar | 2316fb9 | 2017-01-30 23:07:08 -0800 | [diff] [blame] | 3457 | hw_intr_init_err: |
Alan Kwong | 67a3f79 | 2016-11-01 23:16:53 -0400 | [diff] [blame] | 3458 | perf_err: |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3459 | power_error: |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3460 | sde_power_resource_enable(&priv->phandle, sde_kms->core_client, false); |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3461 | error: |
Lloyd Atkinson | 1a0c917 | 2016-10-04 10:01:24 -0400 | [diff] [blame] | 3462 | _sde_kms_hw_destroy(sde_kms, dev->platformdev); |
Dhaval Patel | 3949f03 | 2016-06-20 16:24:33 -0700 | [diff] [blame] | 3463 | end: |
Clarence Ip | 17162b5 | 2016-11-24 17:06:29 -0500 | [diff] [blame] | 3464 | return rc; |
| 3465 | } |
| 3466 | |
| 3467 | struct msm_kms *sde_kms_init(struct drm_device *dev) |
| 3468 | { |
| 3469 | struct msm_drm_private *priv; |
| 3470 | struct sde_kms *sde_kms; |
| 3471 | |
| 3472 | if (!dev || !dev->dev_private) { |
| 3473 | SDE_ERROR("drm device node invalid\n"); |
| 3474 | return ERR_PTR(-EINVAL); |
| 3475 | } |
| 3476 | |
| 3477 | priv = dev->dev_private; |
| 3478 | |
| 3479 | sde_kms = kzalloc(sizeof(*sde_kms), GFP_KERNEL); |
| 3480 | if (!sde_kms) { |
| 3481 | SDE_ERROR("failed to allocate sde kms\n"); |
| 3482 | return ERR_PTR(-ENOMEM); |
| 3483 | } |
| 3484 | |
| 3485 | msm_kms_init(&sde_kms->base, &kms_funcs); |
| 3486 | sde_kms->dev = dev; |
| 3487 | |
| 3488 | return &sde_kms->base; |
Narendra Muppalla | 1b0b335 | 2015-09-29 10:16:51 -0700 | [diff] [blame] | 3489 | } |
Gopikrishnaiah Anandan | de2c81b | 2017-03-15 12:41:29 -0700 | [diff] [blame] | 3490 | |
| 3491 | static int _sde_kms_register_events(struct msm_kms *kms, |
| 3492 | struct drm_mode_object *obj, u32 event, bool en) |
| 3493 | { |
| 3494 | int ret = 0; |
| 3495 | struct drm_crtc *crtc = NULL; |
| 3496 | struct drm_connector *conn = NULL; |
| 3497 | struct sde_kms *sde_kms = NULL; |
| 3498 | |
| 3499 | if (!kms || !obj) { |
| 3500 | SDE_ERROR("invalid argument kms %pK obj %pK\n", kms, obj); |
| 3501 | return -EINVAL; |
| 3502 | } |
| 3503 | |
| 3504 | sde_kms = to_sde_kms(kms); |
| 3505 | switch (obj->type) { |
| 3506 | case DRM_MODE_OBJECT_CRTC: |
| 3507 | crtc = obj_to_crtc(obj); |
| 3508 | ret = sde_crtc_register_custom_event(sde_kms, crtc, event, en); |
| 3509 | break; |
| 3510 | case DRM_MODE_OBJECT_CONNECTOR: |
| 3511 | conn = obj_to_connector(obj); |
| 3512 | ret = sde_connector_register_custom_event(sde_kms, conn, event, |
| 3513 | en); |
| 3514 | break; |
| 3515 | } |
| 3516 | |
| 3517 | return ret; |
| 3518 | } |
Sandeep Panda | 11b20d8 | 2017-06-19 12:57:27 +0530 | [diff] [blame] | 3519 | |
| 3520 | int sde_kms_handle_recovery(struct drm_encoder *encoder) |
| 3521 | { |
| 3522 | SDE_EVT32(DRMID(encoder), MSM_ENC_ACTIVE_REGION); |
| 3523 | return sde_encoder_wait_for_event(encoder, MSM_ENC_ACTIVE_REGION); |
| 3524 | } |