Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2007 David Airlie |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 21 | * DEALINGS IN THE SOFTWARE. |
| 22 | * |
| 23 | * Authors: |
| 24 | * David Airlie |
| 25 | */ |
| 26 | |
| 27 | #include <linux/module.h> |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/errno.h> |
| 30 | #include <linux/string.h> |
| 31 | #include <linux/mm.h> |
| 32 | #include <linux/tty.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 33 | #include <linux/sysrq.h> |
| 34 | #include <linux/delay.h> |
| 35 | #include <linux/fb.h> |
| 36 | #include <linux/init.h> |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 37 | #include <linux/vga_switcheroo.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 38 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 39 | #include <drm/drmP.h> |
| 40 | #include <drm/drm_crtc.h> |
| 41 | #include <drm/drm_fb_helper.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 42 | #include "intel_drv.h" |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 43 | #include <drm/i915_drm.h> |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 44 | #include "i915_drv.h" |
| 45 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 46 | static struct fb_ops intelfb_ops = { |
| 47 | .owner = THIS_MODULE, |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 48 | .fb_check_var = drm_fb_helper_check_var, |
| 49 | .fb_set_par = drm_fb_helper_set_par, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 50 | .fb_fillrect = cfb_fillrect, |
| 51 | .fb_copyarea = cfb_copyarea, |
| 52 | .fb_imageblit = cfb_imageblit, |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 53 | .fb_pan_display = drm_fb_helper_pan_display, |
| 54 | .fb_blank = drm_fb_helper_blank, |
Dave Airlie | 068143d | 2009-10-05 09:58:02 +1000 | [diff] [blame] | 55 | .fb_setcmap = drm_fb_helper_setcmap, |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 56 | .fb_debug_enter = drm_fb_helper_debug_enter, |
| 57 | .fb_debug_leave = drm_fb_helper_debug_leave, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 58 | }; |
| 59 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 60 | static int intelfb_create(struct intel_fbdev *ifbdev, |
| 61 | struct drm_fb_helper_surface_size *sizes) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 62 | { |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 63 | struct drm_device *dev = ifbdev->helper.dev; |
Chris Wilson | 35c3047 | 2010-12-22 14:07:12 +0000 | [diff] [blame] | 64 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 65 | struct fb_info *info; |
| 66 | struct drm_framebuffer *fb; |
Ville Syrjälä | 3a7f2f6 | 2012-05-24 21:08:56 +0300 | [diff] [blame] | 67 | struct drm_mode_fb_cmd2 mode_cmd = {}; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 68 | struct drm_i915_gem_object *obj; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 69 | struct device *device = &dev->pdev->dev; |
James Simmons | 57084d0 | 2010-12-20 19:10:39 +0000 | [diff] [blame] | 70 | int size, ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 71 | |
Dave Airlie | b8c00ac | 2009-10-06 13:54:01 +1000 | [diff] [blame] | 72 | /* we don't do packed 24bpp */ |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 73 | if (sizes->surface_bpp == 24) |
| 74 | sizes->surface_bpp = 32; |
Dave Airlie | b8c00ac | 2009-10-06 13:54:01 +1000 | [diff] [blame] | 75 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 76 | mode_cmd.width = sizes->surface_width; |
| 77 | mode_cmd.height = sizes->surface_height; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 78 | |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 79 | mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((sizes->surface_bpp + 7) / |
| 80 | 8), 64); |
| 81 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
| 82 | sizes->surface_depth); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 83 | |
Jesse Barnes | 308e5bc | 2011-11-14 14:51:28 -0800 | [diff] [blame] | 84 | size = mode_cmd.pitches[0] * mode_cmd.height; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 85 | size = ALIGN(size, PAGE_SIZE); |
Chris Wilson | 0ffb0ff | 2012-11-15 11:32:27 +0000 | [diff] [blame] | 86 | obj = i915_gem_object_create_stolen(dev, size); |
| 87 | if (obj == NULL) |
| 88 | obj = i915_gem_alloc_object(dev, size); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 89 | if (!obj) { |
Keith Packard | 1ae8c0a | 2009-06-28 15:42:17 -0700 | [diff] [blame] | 90 | DRM_ERROR("failed to allocate framebuffer\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 91 | ret = -ENOMEM; |
| 92 | goto out; |
| 93 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 94 | |
| 95 | mutex_lock(&dev->struct_mutex); |
| 96 | |
Chris Wilson | 7213342 | 2010-09-13 23:56:38 +0100 | [diff] [blame] | 97 | /* Flush everything out, we'll be doing GTT only from now on */ |
Ben Widawsky | c43b563 | 2012-04-16 14:07:40 -0700 | [diff] [blame] | 98 | ret = intel_pin_and_fence_fb_obj(dev, obj, NULL); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 99 | if (ret) { |
| 100 | DRM_ERROR("failed to pin fb: %d\n", ret); |
| 101 | goto out_unref; |
| 102 | } |
| 103 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 104 | info = framebuffer_alloc(0, device); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 105 | if (!info) { |
| 106 | ret = -ENOMEM; |
Chris Wilson | b4476f5 | 2009-02-11 14:26:36 +0000 | [diff] [blame] | 107 | goto out_unpin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 108 | } |
| 109 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 110 | info->par = ifbdev; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 111 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 112 | ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj); |
Chris Wilson | cce13ff | 2010-08-08 13:36:38 +0100 | [diff] [blame] | 113 | if (ret) |
| 114 | goto out_unpin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 115 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 116 | fb = &ifbdev->ifb.base; |
| 117 | |
| 118 | ifbdev->helper.fb = fb; |
| 119 | ifbdev->helper.fbdev = info; |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 120 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 121 | strcpy(info->fix.id, "inteldrmfb"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 122 | |
Jesse Barnes | 8fd4bd2 | 2010-06-23 12:56:12 -0700 | [diff] [blame] | 123 | info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 124 | info->fbops = &intelfb_ops; |
| 125 | |
Chris Wilson | 35c3047 | 2010-12-22 14:07:12 +0000 | [diff] [blame] | 126 | ret = fb_alloc_cmap(&info->cmap, 256, 0); |
| 127 | if (ret) { |
| 128 | ret = -ENOMEM; |
| 129 | goto out_unpin; |
| 130 | } |
Dave Airlie | 4410f39 | 2009-06-16 15:34:38 -0700 | [diff] [blame] | 131 | /* setup aperture base/size for vesafb takeover */ |
Marcin Slusarz | 1471ca9 | 2010-05-16 17:27:03 +0200 | [diff] [blame] | 132 | info->apertures = alloc_apertures(1); |
| 133 | if (!info->apertures) { |
| 134 | ret = -ENOMEM; |
| 135 | goto out_unpin; |
| 136 | } |
| 137 | info->apertures->ranges[0].base = dev->mode_config.fb_base; |
Ben Widawsky | 93d1879 | 2013-01-17 12:45:17 -0800 | [diff] [blame] | 138 | info->apertures->ranges[0].size = dev_priv->gtt.mappable_end; |
Dave Airlie | 4410f39 | 2009-06-16 15:34:38 -0700 | [diff] [blame] | 139 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 140 | info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 141 | info->fix.smem_len = size; |
| 142 | |
Daniel Vetter | dd2757f | 2012-06-07 15:55:57 +0200 | [diff] [blame] | 143 | info->screen_base = |
Ben Widawsky | 5d4545a | 2013-01-17 12:45:15 -0800 | [diff] [blame] | 144 | ioremap_wc(dev_priv->gtt.mappable_base + obj->gtt_offset, |
Daniel Vetter | dd2757f | 2012-06-07 15:55:57 +0200 | [diff] [blame] | 145 | size); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 146 | if (!info->screen_base) { |
| 147 | ret = -ENOSPC; |
Chris Wilson | b4476f5 | 2009-02-11 14:26:36 +0000 | [diff] [blame] | 148 | goto out_unpin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 149 | } |
| 150 | info->screen_size = size; |
| 151 | |
| 152 | // memset(info->screen_base, 0, size); |
| 153 | |
Ville Syrjälä | 01f2c77 | 2011-12-20 00:06:49 +0200 | [diff] [blame] | 154 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 155 | drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 156 | |
Chris Wilson | 88afe71 | 2012-12-16 12:15:41 +0000 | [diff] [blame] | 157 | /* If the object is shmemfs backed, it will have given us zeroed pages. |
| 158 | * If the object is stolen however, it will be full of whatever |
| 159 | * garbage was left in there. |
| 160 | */ |
| 161 | if (ifbdev->ifb.obj->stolen) |
| 162 | memset_io(info->screen_base, 0, info->screen_size); |
| 163 | |
Sascha Hauer | fb2a99e | 2012-02-06 10:58:19 +0100 | [diff] [blame] | 164 | /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 165 | |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 166 | DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 167 | fb->width, fb->height, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 168 | obj->gtt_offset, obj); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 169 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 170 | |
| 171 | mutex_unlock(&dev->struct_mutex); |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 172 | vga_switcheroo_client_fb_set(dev->pdev, info); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 173 | return 0; |
| 174 | |
Chris Wilson | b4476f5 | 2009-02-11 14:26:36 +0000 | [diff] [blame] | 175 | out_unpin: |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 176 | i915_gem_object_unpin(obj); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 177 | out_unref: |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 178 | drm_gem_object_unreference(&obj->base); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 179 | mutex_unlock(&dev->struct_mutex); |
| 180 | out: |
| 181 | return ret; |
| 182 | } |
| 183 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 184 | static int intel_fb_find_or_create_single(struct drm_fb_helper *helper, |
| 185 | struct drm_fb_helper_surface_size *sizes) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 186 | { |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 187 | struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 188 | int new_fb = 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 189 | int ret; |
| 190 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 191 | if (!helper->fb) { |
| 192 | ret = intelfb_create(ifbdev, sizes); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 193 | if (ret) |
| 194 | return ret; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 195 | new_fb = 1; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 196 | } |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 197 | return new_fb; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 198 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 199 | |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 200 | static struct drm_fb_helper_funcs intel_fb_helper_funcs = { |
| 201 | .gamma_set = intel_crtc_fb_gamma_set, |
| 202 | .gamma_get = intel_crtc_fb_gamma_get, |
| 203 | .fb_probe = intel_fb_find_or_create_single, |
| 204 | }; |
| 205 | |
Chris Wilson | 7b4f399 | 2010-10-04 15:33:04 +0100 | [diff] [blame] | 206 | static void intel_fbdev_destroy(struct drm_device *dev, |
| 207 | struct intel_fbdev *ifbdev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 208 | { |
| 209 | struct fb_info *info; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 210 | struct intel_framebuffer *ifb = &ifbdev->ifb; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 211 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 212 | if (ifbdev->helper.fbdev) { |
| 213 | info = ifbdev->helper.fbdev; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 214 | unregister_framebuffer(info); |
| 215 | iounmap(info->screen_base); |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 216 | if (info->cmap.len) |
| 217 | fb_dealloc_cmap(&info->cmap); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 218 | framebuffer_release(info); |
| 219 | } |
| 220 | |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 221 | drm_fb_helper_fini(&ifbdev->helper); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 222 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 223 | drm_framebuffer_cleanup(&ifb->base); |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 224 | if (ifb->obj) { |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 225 | drm_gem_object_unreference_unlocked(&ifb->obj->base); |
Dave Airlie | dab8dcf | 2010-10-07 14:01:17 +1000 | [diff] [blame] | 226 | ifb->obj = NULL; |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 227 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 228 | } |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 229 | |
| 230 | int intel_fbdev_init(struct drm_device *dev) |
| 231 | { |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 232 | struct intel_fbdev *ifbdev; |
| 233 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 234 | int ret; |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 235 | |
| 236 | ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL); |
| 237 | if (!ifbdev) |
| 238 | return -ENOMEM; |
| 239 | |
| 240 | dev_priv->fbdev = ifbdev; |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 241 | ifbdev->helper.funcs = &intel_fb_helper_funcs; |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 242 | |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 243 | ret = drm_fb_helper_init(dev, &ifbdev->helper, |
| 244 | dev_priv->num_pipe, |
| 245 | INTELFB_CONN_LIMIT); |
| 246 | if (ret) { |
| 247 | kfree(ifbdev); |
| 248 | return ret; |
| 249 | } |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 250 | |
Dave Airlie | 0b4c0f3 | 2010-03-30 05:34:15 +0000 | [diff] [blame] | 251 | drm_fb_helper_single_add_all_connectors(&ifbdev->helper); |
Daniel Vetter | 20afbda | 2012-12-11 14:05:07 +0100 | [diff] [blame] | 252 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 253 | return 0; |
| 254 | } |
| 255 | |
Daniel Vetter | 20afbda | 2012-12-11 14:05:07 +0100 | [diff] [blame] | 256 | void intel_fbdev_initial_config(struct drm_device *dev) |
| 257 | { |
| 258 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 259 | |
| 260 | /* Due to peculiar init order wrt to hpd handling this is separate. */ |
| 261 | drm_fb_helper_initial_config(&dev_priv->fbdev->helper, 32); |
| 262 | } |
| 263 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 264 | void intel_fbdev_fini(struct drm_device *dev) |
| 265 | { |
| 266 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 267 | if (!dev_priv->fbdev) |
| 268 | return; |
| 269 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 270 | intel_fbdev_destroy(dev, dev_priv->fbdev); |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 271 | kfree(dev_priv->fbdev); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 272 | dev_priv->fbdev = NULL; |
| 273 | } |
Dave Airlie | 3fa016a | 2012-03-28 10:48:49 +0100 | [diff] [blame] | 274 | |
| 275 | void intel_fbdev_set_suspend(struct drm_device *dev, int state) |
| 276 | { |
| 277 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 278 | if (!dev_priv->fbdev) |
| 279 | return; |
| 280 | |
| 281 | fb_set_suspend(dev_priv->fbdev->helper.fbdev, state); |
| 282 | } |
| 283 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 284 | MODULE_LICENSE("GPL and additional rights"); |
Dave Airlie | eb1f8e4 | 2010-05-07 06:42:51 +0000 | [diff] [blame] | 285 | |
| 286 | void intel_fb_output_poll_changed(struct drm_device *dev) |
| 287 | { |
| 288 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 289 | drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper); |
| 290 | } |
Dave Airlie | e8e7a2b | 2011-04-21 22:18:32 +0100 | [diff] [blame] | 291 | |
| 292 | void intel_fb_restore_mode(struct drm_device *dev) |
| 293 | { |
| 294 | int ret; |
| 295 | drm_i915_private_t *dev_priv = dev->dev_private; |
Jesse Barnes | b840d907f | 2011-12-13 13:19:38 -0800 | [diff] [blame] | 296 | struct drm_mode_config *config = &dev->mode_config; |
| 297 | struct drm_plane *plane; |
Dave Airlie | e8e7a2b | 2011-04-21 22:18:32 +0100 | [diff] [blame] | 298 | |
Chris Wilson | c291be9 | 2012-04-16 15:16:42 +0100 | [diff] [blame] | 299 | mutex_lock(&dev->mode_config.mutex); |
| 300 | |
Dave Airlie | e8e7a2b | 2011-04-21 22:18:32 +0100 | [diff] [blame] | 301 | ret = drm_fb_helper_restore_fbdev_mode(&dev_priv->fbdev->helper); |
| 302 | if (ret) |
| 303 | DRM_DEBUG("failed to restore crtc mode\n"); |
Jesse Barnes | b840d907f | 2011-12-13 13:19:38 -0800 | [diff] [blame] | 304 | |
| 305 | /* Be sure to shut off any planes that may be active */ |
| 306 | list_for_each_entry(plane, &config->plane_list, head) |
Paulo Zanoni | 56e5a3f | 2013-01-25 16:59:13 -0200 | [diff] [blame^] | 307 | if (plane->enabled) |
| 308 | plane->funcs->disable_plane(plane); |
Chris Wilson | c291be9 | 2012-04-16 15:16:42 +0100 | [diff] [blame] | 309 | |
| 310 | mutex_unlock(&dev->mode_config.mutex); |
Dave Airlie | e8e7a2b | 2011-04-21 22:18:32 +0100 | [diff] [blame] | 311 | } |