Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 1 | /* |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 2 | * Copyright (C) 2012-2013 Avionic Design GmbH |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 3 | * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved. |
| 4 | * |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 5 | * Based on the KMS/FB CMA helpers |
| 6 | * Copyright (C) 2012 Analog Device Inc. |
| 7 | * |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
Thierry Reding | 986c58d | 2015-08-11 13:11:49 +0200 | [diff] [blame] | 13 | #include <linux/console.h> |
| 14 | |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 15 | #include "drm.h" |
| 16 | #include "gem.h" |
| 17 | |
| 18 | static inline struct tegra_fb *to_tegra_fb(struct drm_framebuffer *fb) |
| 19 | { |
| 20 | return container_of(fb, struct tegra_fb, base); |
| 21 | } |
| 22 | |
Archit Taneja | b110ef3 | 2015-10-27 13:40:59 +0530 | [diff] [blame] | 23 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 24 | static inline struct tegra_fbdev *to_tegra_fbdev(struct drm_fb_helper *helper) |
| 25 | { |
| 26 | return container_of(helper, struct tegra_fbdev, base); |
| 27 | } |
Thierry Reding | 60c2f70 | 2013-10-31 13:28:50 +0100 | [diff] [blame] | 28 | #endif |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 29 | |
| 30 | struct tegra_bo *tegra_fb_get_plane(struct drm_framebuffer *framebuffer, |
| 31 | unsigned int index) |
| 32 | { |
| 33 | struct tegra_fb *fb = to_tegra_fb(framebuffer); |
| 34 | |
| 35 | if (index >= drm_format_num_planes(framebuffer->pixel_format)) |
| 36 | return NULL; |
| 37 | |
| 38 | return fb->planes[index]; |
| 39 | } |
| 40 | |
Thierry Reding | db7fbdf | 2013-10-07 09:47:58 +0200 | [diff] [blame] | 41 | bool tegra_fb_is_bottom_up(struct drm_framebuffer *framebuffer) |
| 42 | { |
| 43 | struct tegra_fb *fb = to_tegra_fb(framebuffer); |
| 44 | |
| 45 | if (fb->planes[0]->flags & TEGRA_BO_BOTTOM_UP) |
| 46 | return true; |
| 47 | |
| 48 | return false; |
| 49 | } |
| 50 | |
Thierry Reding | c134f01 | 2014-06-03 14:48:12 +0200 | [diff] [blame] | 51 | int tegra_fb_get_tiling(struct drm_framebuffer *framebuffer, |
| 52 | struct tegra_bo_tiling *tiling) |
Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 53 | { |
| 54 | struct tegra_fb *fb = to_tegra_fb(framebuffer); |
| 55 | |
Thierry Reding | c134f01 | 2014-06-03 14:48:12 +0200 | [diff] [blame] | 56 | /* TODO: handle YUV formats? */ |
| 57 | *tiling = fb->planes[0]->tiling; |
Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 58 | |
Thierry Reding | c134f01 | 2014-06-03 14:48:12 +0200 | [diff] [blame] | 59 | return 0; |
Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 60 | } |
| 61 | |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 62 | static void tegra_fb_destroy(struct drm_framebuffer *framebuffer) |
| 63 | { |
| 64 | struct tegra_fb *fb = to_tegra_fb(framebuffer); |
| 65 | unsigned int i; |
| 66 | |
| 67 | for (i = 0; i < fb->num_planes; i++) { |
| 68 | struct tegra_bo *bo = fb->planes[i]; |
| 69 | |
Thierry Reding | df06b75 | 2014-06-26 21:41:53 +0200 | [diff] [blame] | 70 | if (bo) { |
Markus Elfring | a63caf1 | 2016-07-16 07:23:42 +0200 | [diff] [blame] | 71 | if (bo->pages) |
Thierry Reding | df06b75 | 2014-06-26 21:41:53 +0200 | [diff] [blame] | 72 | vunmap(bo->vaddr); |
| 73 | |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 74 | drm_gem_object_unreference_unlocked(&bo->gem); |
Thierry Reding | df06b75 | 2014-06-26 21:41:53 +0200 | [diff] [blame] | 75 | } |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 76 | } |
| 77 | |
| 78 | drm_framebuffer_cleanup(framebuffer); |
| 79 | kfree(fb->planes); |
| 80 | kfree(fb); |
| 81 | } |
| 82 | |
| 83 | static int tegra_fb_create_handle(struct drm_framebuffer *framebuffer, |
| 84 | struct drm_file *file, unsigned int *handle) |
| 85 | { |
| 86 | struct tegra_fb *fb = to_tegra_fb(framebuffer); |
| 87 | |
| 88 | return drm_gem_handle_create(file, &fb->planes[0]->gem, handle); |
| 89 | } |
| 90 | |
Ville Syrjälä | 4ecae78 | 2015-12-15 12:21:13 +0100 | [diff] [blame] | 91 | static const struct drm_framebuffer_funcs tegra_fb_funcs = { |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 92 | .destroy = tegra_fb_destroy, |
| 93 | .create_handle = tegra_fb_create_handle, |
| 94 | }; |
| 95 | |
| 96 | static struct tegra_fb *tegra_fb_alloc(struct drm_device *drm, |
Ville Syrjälä | 1eb8345 | 2015-11-11 19:11:29 +0200 | [diff] [blame] | 97 | const struct drm_mode_fb_cmd2 *mode_cmd, |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 98 | struct tegra_bo **planes, |
| 99 | unsigned int num_planes) |
| 100 | { |
| 101 | struct tegra_fb *fb; |
| 102 | unsigned int i; |
| 103 | int err; |
| 104 | |
| 105 | fb = kzalloc(sizeof(*fb), GFP_KERNEL); |
| 106 | if (!fb) |
| 107 | return ERR_PTR(-ENOMEM); |
| 108 | |
| 109 | fb->planes = kzalloc(num_planes * sizeof(*planes), GFP_KERNEL); |
Dan Carpenter | 6b7c79d | 2013-11-12 13:25:26 +0300 | [diff] [blame] | 110 | if (!fb->planes) { |
| 111 | kfree(fb); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 112 | return ERR_PTR(-ENOMEM); |
Dan Carpenter | 6b7c79d | 2013-11-12 13:25:26 +0300 | [diff] [blame] | 113 | } |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 114 | |
| 115 | fb->num_planes = num_planes; |
| 116 | |
| 117 | drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd); |
| 118 | |
| 119 | for (i = 0; i < fb->num_planes; i++) |
| 120 | fb->planes[i] = planes[i]; |
| 121 | |
| 122 | err = drm_framebuffer_init(drm, &fb->base, &tegra_fb_funcs); |
| 123 | if (err < 0) { |
| 124 | dev_err(drm->dev, "failed to initialize framebuffer: %d\n", |
| 125 | err); |
| 126 | kfree(fb->planes); |
| 127 | kfree(fb); |
| 128 | return ERR_PTR(err); |
| 129 | } |
| 130 | |
| 131 | return fb; |
| 132 | } |
| 133 | |
Thierry Reding | f991421 | 2014-11-26 13:03:57 +0100 | [diff] [blame] | 134 | struct drm_framebuffer *tegra_fb_create(struct drm_device *drm, |
| 135 | struct drm_file *file, |
Ville Syrjälä | 1eb8345 | 2015-11-11 19:11:29 +0200 | [diff] [blame] | 136 | const struct drm_mode_fb_cmd2 *cmd) |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 137 | { |
| 138 | unsigned int hsub, vsub, i; |
| 139 | struct tegra_bo *planes[4]; |
| 140 | struct drm_gem_object *gem; |
| 141 | struct tegra_fb *fb; |
| 142 | int err; |
| 143 | |
| 144 | hsub = drm_format_horz_chroma_subsampling(cmd->pixel_format); |
| 145 | vsub = drm_format_vert_chroma_subsampling(cmd->pixel_format); |
| 146 | |
| 147 | for (i = 0; i < drm_format_num_planes(cmd->pixel_format); i++) { |
| 148 | unsigned int width = cmd->width / (i ? hsub : 1); |
| 149 | unsigned int height = cmd->height / (i ? vsub : 1); |
| 150 | unsigned int size, bpp; |
| 151 | |
Chris Wilson | a8ad0bd | 2016-05-09 11:04:54 +0100 | [diff] [blame] | 152 | gem = drm_gem_object_lookup(file, cmd->handles[i]); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 153 | if (!gem) { |
| 154 | err = -ENXIO; |
| 155 | goto unreference; |
| 156 | } |
| 157 | |
| 158 | bpp = drm_format_plane_cpp(cmd->pixel_format, i); |
| 159 | |
| 160 | size = (height - 1) * cmd->pitches[i] + |
| 161 | width * bpp + cmd->offsets[i]; |
| 162 | |
| 163 | if (gem->size < size) { |
| 164 | err = -EINVAL; |
| 165 | goto unreference; |
| 166 | } |
| 167 | |
| 168 | planes[i] = to_tegra_bo(gem); |
| 169 | } |
| 170 | |
| 171 | fb = tegra_fb_alloc(drm, cmd, planes, i); |
| 172 | if (IS_ERR(fb)) { |
| 173 | err = PTR_ERR(fb); |
| 174 | goto unreference; |
| 175 | } |
| 176 | |
| 177 | return &fb->base; |
| 178 | |
| 179 | unreference: |
| 180 | while (i--) |
| 181 | drm_gem_object_unreference_unlocked(&planes[i]->gem); |
| 182 | |
| 183 | return ERR_PTR(err); |
| 184 | } |
| 185 | |
Archit Taneja | b110ef3 | 2015-10-27 13:40:59 +0530 | [diff] [blame] | 186 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 187 | static struct fb_ops tegra_fb_ops = { |
| 188 | .owner = THIS_MODULE, |
Archit Taneja | 0f7d905 | 2015-07-22 14:58:07 +0530 | [diff] [blame] | 189 | .fb_fillrect = drm_fb_helper_sys_fillrect, |
| 190 | .fb_copyarea = drm_fb_helper_sys_copyarea, |
| 191 | .fb_imageblit = drm_fb_helper_sys_imageblit, |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 192 | .fb_check_var = drm_fb_helper_check_var, |
| 193 | .fb_set_par = drm_fb_helper_set_par, |
| 194 | .fb_blank = drm_fb_helper_blank, |
| 195 | .fb_pan_display = drm_fb_helper_pan_display, |
| 196 | .fb_setcmap = drm_fb_helper_setcmap, |
| 197 | }; |
| 198 | |
| 199 | static int tegra_fbdev_probe(struct drm_fb_helper *helper, |
| 200 | struct drm_fb_helper_surface_size *sizes) |
| 201 | { |
| 202 | struct tegra_fbdev *fbdev = to_tegra_fbdev(helper); |
Thierry Reding | d1f3e1e | 2014-07-11 08:29:14 +0200 | [diff] [blame] | 203 | struct tegra_drm *tegra = helper->dev->dev_private; |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 204 | struct drm_device *drm = helper->dev; |
| 205 | struct drm_mode_fb_cmd2 cmd = { 0 }; |
| 206 | unsigned int bytes_per_pixel; |
| 207 | struct drm_framebuffer *fb; |
| 208 | unsigned long offset; |
| 209 | struct fb_info *info; |
| 210 | struct tegra_bo *bo; |
| 211 | size_t size; |
| 212 | int err; |
| 213 | |
| 214 | bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8); |
| 215 | |
| 216 | cmd.width = sizes->surface_width; |
| 217 | cmd.height = sizes->surface_height; |
Thierry Reding | d1f3e1e | 2014-07-11 08:29:14 +0200 | [diff] [blame] | 218 | cmd.pitches[0] = round_up(sizes->surface_width * bytes_per_pixel, |
| 219 | tegra->pitch_align); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 220 | cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
| 221 | sizes->surface_depth); |
| 222 | |
| 223 | size = cmd.pitches[0] * cmd.height; |
| 224 | |
Thierry Reding | 773af77 | 2013-10-04 22:34:01 +0200 | [diff] [blame] | 225 | bo = tegra_bo_create(drm, size, 0); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 226 | if (IS_ERR(bo)) |
| 227 | return PTR_ERR(bo); |
| 228 | |
Archit Taneja | 0f7d905 | 2015-07-22 14:58:07 +0530 | [diff] [blame] | 229 | info = drm_fb_helper_alloc_fbi(helper); |
| 230 | if (IS_ERR(info)) { |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 231 | dev_err(drm->dev, "failed to allocate framebuffer info\n"); |
Thierry Reding | b88f005 | 2014-11-06 14:33:19 +0100 | [diff] [blame] | 232 | drm_gem_object_unreference_unlocked(&bo->gem); |
Archit Taneja | 0f7d905 | 2015-07-22 14:58:07 +0530 | [diff] [blame] | 233 | return PTR_ERR(info); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 234 | } |
| 235 | |
| 236 | fbdev->fb = tegra_fb_alloc(drm, &cmd, &bo, 1); |
| 237 | if (IS_ERR(fbdev->fb)) { |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 238 | err = PTR_ERR(fbdev->fb); |
Thierry Reding | cb10c81 | 2014-11-06 14:36:19 +0100 | [diff] [blame] | 239 | dev_err(drm->dev, "failed to allocate DRM framebuffer: %d\n", |
| 240 | err); |
Thierry Reding | b88f005 | 2014-11-06 14:33:19 +0100 | [diff] [blame] | 241 | drm_gem_object_unreference_unlocked(&bo->gem); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 242 | goto release; |
| 243 | } |
| 244 | |
| 245 | fb = &fbdev->fb->base; |
| 246 | helper->fb = fb; |
| 247 | helper->fbdev = info; |
| 248 | |
| 249 | info->par = helper; |
| 250 | info->flags = FBINFO_FLAG_DEFAULT; |
| 251 | info->fbops = &tegra_fb_ops; |
| 252 | |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 253 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
| 254 | drm_fb_helper_fill_var(info, helper, fb->width, fb->height); |
| 255 | |
| 256 | offset = info->var.xoffset * bytes_per_pixel + |
| 257 | info->var.yoffset * fb->pitches[0]; |
| 258 | |
Thierry Reding | df06b75 | 2014-06-26 21:41:53 +0200 | [diff] [blame] | 259 | if (bo->pages) { |
| 260 | bo->vaddr = vmap(bo->pages, bo->num_pages, VM_MAP, |
| 261 | pgprot_writecombine(PAGE_KERNEL)); |
| 262 | if (!bo->vaddr) { |
| 263 | dev_err(drm->dev, "failed to vmap() framebuffer\n"); |
| 264 | err = -ENOMEM; |
| 265 | goto destroy; |
| 266 | } |
| 267 | } |
| 268 | |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 269 | drm->mode_config.fb_base = (resource_size_t)bo->paddr; |
Thierry Reding | 9ab3415 | 2013-11-08 13:18:14 +0100 | [diff] [blame] | 270 | info->screen_base = (void __iomem *)bo->vaddr + offset; |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 271 | info->screen_size = size; |
| 272 | info->fix.smem_start = (unsigned long)(bo->paddr + offset); |
| 273 | info->fix.smem_len = size; |
| 274 | |
| 275 | return 0; |
| 276 | |
| 277 | destroy: |
| 278 | drm_framebuffer_unregister_private(fb); |
| 279 | tegra_fb_destroy(fb); |
| 280 | release: |
Archit Taneja | 0f7d905 | 2015-07-22 14:58:07 +0530 | [diff] [blame] | 281 | drm_fb_helper_release_fbi(helper); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 282 | return err; |
| 283 | } |
| 284 | |
Thierry Reding | 3a49387 | 2014-06-27 17:19:23 +0200 | [diff] [blame] | 285 | static const struct drm_fb_helper_funcs tegra_fb_helper_funcs = { |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 286 | .fb_probe = tegra_fbdev_probe, |
| 287 | }; |
| 288 | |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 289 | static struct tegra_fbdev *tegra_fbdev_create(struct drm_device *drm) |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 290 | { |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 291 | struct tegra_fbdev *fbdev; |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 292 | |
| 293 | fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL); |
| 294 | if (!fbdev) { |
| 295 | dev_err(drm->dev, "failed to allocate DRM fbdev\n"); |
| 296 | return ERR_PTR(-ENOMEM); |
| 297 | } |
| 298 | |
Thierry Reding | 10a2310 | 2014-06-27 17:19:24 +0200 | [diff] [blame] | 299 | drm_fb_helper_prepare(drm, &fbdev->base, &tegra_fb_helper_funcs); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 300 | |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 301 | return fbdev; |
| 302 | } |
| 303 | |
Thierry Reding | 1d1e6fe | 2014-11-06 14:12:08 +0100 | [diff] [blame] | 304 | static void tegra_fbdev_free(struct tegra_fbdev *fbdev) |
| 305 | { |
| 306 | kfree(fbdev); |
| 307 | } |
| 308 | |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 309 | static int tegra_fbdev_init(struct tegra_fbdev *fbdev, |
| 310 | unsigned int preferred_bpp, |
| 311 | unsigned int num_crtc, |
| 312 | unsigned int max_connectors) |
| 313 | { |
| 314 | struct drm_device *drm = fbdev->base.dev; |
| 315 | int err; |
| 316 | |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 317 | err = drm_fb_helper_init(drm, &fbdev->base, num_crtc, max_connectors); |
| 318 | if (err < 0) { |
Thierry Reding | cb10c81 | 2014-11-06 14:36:19 +0100 | [diff] [blame] | 319 | dev_err(drm->dev, "failed to initialize DRM FB helper: %d\n", |
| 320 | err); |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 321 | return err; |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 322 | } |
| 323 | |
| 324 | err = drm_fb_helper_single_add_all_connectors(&fbdev->base); |
| 325 | if (err < 0) { |
Thierry Reding | cb10c81 | 2014-11-06 14:36:19 +0100 | [diff] [blame] | 326 | dev_err(drm->dev, "failed to add connectors: %d\n", err); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 327 | goto fini; |
| 328 | } |
| 329 | |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 330 | err = drm_fb_helper_initial_config(&fbdev->base, preferred_bpp); |
| 331 | if (err < 0) { |
Thierry Reding | cb10c81 | 2014-11-06 14:36:19 +0100 | [diff] [blame] | 332 | dev_err(drm->dev, "failed to set initial configuration: %d\n", |
| 333 | err); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 334 | goto fini; |
| 335 | } |
| 336 | |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 337 | return 0; |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 338 | |
| 339 | fini: |
| 340 | drm_fb_helper_fini(&fbdev->base); |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 341 | return err; |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 342 | } |
| 343 | |
Thierry Reding | 1d1e6fe | 2014-11-06 14:12:08 +0100 | [diff] [blame] | 344 | static void tegra_fbdev_exit(struct tegra_fbdev *fbdev) |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 345 | { |
Archit Taneja | 0f7d905 | 2015-07-22 14:58:07 +0530 | [diff] [blame] | 346 | drm_fb_helper_unregister_fbi(&fbdev->base); |
| 347 | drm_fb_helper_release_fbi(&fbdev->base); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 348 | |
| 349 | if (fbdev->fb) { |
| 350 | drm_framebuffer_unregister_private(&fbdev->fb->base); |
Thierry Reding | 3feaf3e | 2014-10-21 13:56:59 +0200 | [diff] [blame] | 351 | drm_framebuffer_remove(&fbdev->fb->base); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 352 | } |
| 353 | |
| 354 | drm_fb_helper_fini(&fbdev->base); |
Thierry Reding | 1d1e6fe | 2014-11-06 14:12:08 +0100 | [diff] [blame] | 355 | tegra_fbdev_free(fbdev); |
Arto Merilainen | de2ba66 | 2013-03-22 16:34:08 +0200 | [diff] [blame] | 356 | } |
| 357 | |
Thierry Reding | 60c2f70 | 2013-10-31 13:28:50 +0100 | [diff] [blame] | 358 | void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev) |
| 359 | { |
Rob Clark | 5ea1f75 | 2014-05-30 12:29:48 -0400 | [diff] [blame] | 360 | if (fbdev) |
| 361 | drm_fb_helper_restore_fbdev_mode_unlocked(&fbdev->base); |
Thierry Reding | 60c2f70 | 2013-10-31 13:28:50 +0100 | [diff] [blame] | 362 | } |
| 363 | |
Thierry Reding | f991421 | 2014-11-26 13:03:57 +0100 | [diff] [blame] | 364 | void tegra_fb_output_poll_changed(struct drm_device *drm) |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 365 | { |
Thierry Reding | 386a2a7 | 2013-09-24 13:22:17 +0200 | [diff] [blame] | 366 | struct tegra_drm *tegra = drm->dev_private; |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 367 | |
Thierry Reding | 386a2a7 | 2013-09-24 13:22:17 +0200 | [diff] [blame] | 368 | if (tegra->fbdev) |
| 369 | drm_fb_helper_hotplug_event(&tegra->fbdev->base); |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 370 | } |
Thierry Reding | 60c2f70 | 2013-10-31 13:28:50 +0100 | [diff] [blame] | 371 | #endif |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 372 | |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 373 | int tegra_drm_fb_prepare(struct drm_device *drm) |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 374 | { |
Archit Taneja | b110ef3 | 2015-10-27 13:40:59 +0530 | [diff] [blame] | 375 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
Thierry Reding | 386a2a7 | 2013-09-24 13:22:17 +0200 | [diff] [blame] | 376 | struct tegra_drm *tegra = drm->dev_private; |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 377 | |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 378 | tegra->fbdev = tegra_fbdev_create(drm); |
Thierry Reding | 60c2f70 | 2013-10-31 13:28:50 +0100 | [diff] [blame] | 379 | if (IS_ERR(tegra->fbdev)) |
| 380 | return PTR_ERR(tegra->fbdev); |
| 381 | #endif |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 382 | |
| 383 | return 0; |
| 384 | } |
| 385 | |
Thierry Reding | 1d1e6fe | 2014-11-06 14:12:08 +0100 | [diff] [blame] | 386 | void tegra_drm_fb_free(struct drm_device *drm) |
| 387 | { |
Archit Taneja | b110ef3 | 2015-10-27 13:40:59 +0530 | [diff] [blame] | 388 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
Thierry Reding | 1d1e6fe | 2014-11-06 14:12:08 +0100 | [diff] [blame] | 389 | struct tegra_drm *tegra = drm->dev_private; |
| 390 | |
| 391 | tegra_fbdev_free(tegra->fbdev); |
| 392 | #endif |
| 393 | } |
| 394 | |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 395 | int tegra_drm_fb_init(struct drm_device *drm) |
| 396 | { |
Archit Taneja | b110ef3 | 2015-10-27 13:40:59 +0530 | [diff] [blame] | 397 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
Thierry Reding | e221532 | 2014-06-27 17:19:25 +0200 | [diff] [blame] | 398 | struct tegra_drm *tegra = drm->dev_private; |
| 399 | int err; |
| 400 | |
| 401 | err = tegra_fbdev_init(tegra->fbdev, 32, drm->mode_config.num_crtc, |
| 402 | drm->mode_config.num_connector); |
| 403 | if (err < 0) |
| 404 | return err; |
| 405 | #endif |
| 406 | |
| 407 | return 0; |
| 408 | } |
| 409 | |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 410 | void tegra_drm_fb_exit(struct drm_device *drm) |
| 411 | { |
Archit Taneja | b110ef3 | 2015-10-27 13:40:59 +0530 | [diff] [blame] | 412 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
Thierry Reding | 386a2a7 | 2013-09-24 13:22:17 +0200 | [diff] [blame] | 413 | struct tegra_drm *tegra = drm->dev_private; |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 414 | |
Thierry Reding | 1d1e6fe | 2014-11-06 14:12:08 +0100 | [diff] [blame] | 415 | tegra_fbdev_exit(tegra->fbdev); |
Thierry Reding | 60c2f70 | 2013-10-31 13:28:50 +0100 | [diff] [blame] | 416 | #endif |
Thierry Reding | d8f4a9e | 2012-11-15 21:28:22 +0000 | [diff] [blame] | 417 | } |
Thierry Reding | 986c58d | 2015-08-11 13:11:49 +0200 | [diff] [blame] | 418 | |
| 419 | void tegra_drm_fb_suspend(struct drm_device *drm) |
| 420 | { |
| 421 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
| 422 | struct tegra_drm *tegra = drm->dev_private; |
| 423 | |
| 424 | console_lock(); |
| 425 | drm_fb_helper_set_suspend(&tegra->fbdev->base, 1); |
| 426 | console_unlock(); |
| 427 | #endif |
| 428 | } |
| 429 | |
| 430 | void tegra_drm_fb_resume(struct drm_device *drm) |
| 431 | { |
| 432 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
| 433 | struct tegra_drm *tegra = drm->dev_private; |
| 434 | |
| 435 | console_lock(); |
| 436 | drm_fb_helper_set_suspend(&tegra->fbdev->base, 0); |
| 437 | console_unlock(); |
| 438 | #endif |
| 439 | } |