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 | |
| 39 | #include "drmP.h" |
| 40 | #include "drm.h" |
| 41 | #include "drm_crtc.h" |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 42 | #include "drm_fb_helper.h" |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 43 | #include "intel_drv.h" |
| 44 | #include "i915_drm.h" |
| 45 | #include "i915_drv.h" |
| 46 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 47 | static struct fb_ops intelfb_ops = { |
| 48 | .owner = THIS_MODULE, |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 49 | .fb_check_var = drm_fb_helper_check_var, |
| 50 | .fb_set_par = drm_fb_helper_set_par, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 51 | .fb_fillrect = cfb_fillrect, |
| 52 | .fb_copyarea = cfb_copyarea, |
| 53 | .fb_imageblit = cfb_imageblit, |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 54 | .fb_pan_display = drm_fb_helper_pan_display, |
| 55 | .fb_blank = drm_fb_helper_blank, |
Dave Airlie | 068143d | 2009-10-05 09:58:02 +1000 | [diff] [blame] | 56 | .fb_setcmap = drm_fb_helper_setcmap, |
Jesse Barnes | 8125556 | 2010-08-02 12:07:50 -0700 | [diff] [blame] | 57 | .fb_debug_enter = drm_fb_helper_debug_enter, |
| 58 | .fb_debug_leave = drm_fb_helper_debug_leave, |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 59 | }; |
| 60 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 61 | static int intelfb_create(struct intel_fbdev *ifbdev, |
| 62 | struct drm_fb_helper_surface_size *sizes) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 63 | { |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 64 | struct drm_device *dev = ifbdev->helper.dev; |
Chris Wilson | 35c3047 | 2010-12-22 14:07:12 +0000 | [diff] [blame] | 65 | struct drm_i915_private *dev_priv = dev->dev_private; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 66 | struct fb_info *info; |
| 67 | struct drm_framebuffer *fb; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 68 | struct drm_mode_fb_cmd mode_cmd; |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 69 | struct drm_i915_gem_object *obj; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 70 | struct device *device = &dev->pdev->dev; |
James Simmons | 57084d0 | 2010-12-20 19:10:39 +0000 | [diff] [blame] | 71 | int size, ret; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 72 | |
Dave Airlie | b8c00ac | 2009-10-06 13:54:01 +1000 | [diff] [blame] | 73 | /* we don't do packed 24bpp */ |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 74 | if (sizes->surface_bpp == 24) |
| 75 | sizes->surface_bpp = 32; |
Dave Airlie | b8c00ac | 2009-10-06 13:54:01 +1000 | [diff] [blame] | 76 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 77 | mode_cmd.width = sizes->surface_width; |
| 78 | mode_cmd.height = sizes->surface_height; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 79 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 80 | mode_cmd.bpp = sizes->surface_bpp; |
Chris Wilson | 35c3047 | 2010-12-22 14:07:12 +0000 | [diff] [blame] | 81 | mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 7) / 8), 64); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 82 | mode_cmd.depth = sizes->surface_depth; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 83 | |
| 84 | size = mode_cmd.pitch * mode_cmd.height; |
| 85 | size = ALIGN(size, PAGE_SIZE); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 86 | obj = i915_gem_alloc_object(dev, size); |
| 87 | if (!obj) { |
Keith Packard | 1ae8c0a | 2009-06-28 15:42:17 -0700 | [diff] [blame] | 88 | DRM_ERROR("failed to allocate framebuffer\n"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 89 | ret = -ENOMEM; |
| 90 | goto out; |
| 91 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 92 | |
| 93 | mutex_lock(&dev->struct_mutex); |
| 94 | |
Chris Wilson | 7213342 | 2010-09-13 23:56:38 +0100 | [diff] [blame] | 95 | /* Flush everything out, we'll be doing GTT only from now on */ |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 96 | ret = intel_pin_and_fence_fb_obj(dev, obj, false); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 97 | if (ret) { |
| 98 | DRM_ERROR("failed to pin fb: %d\n", ret); |
| 99 | goto out_unref; |
| 100 | } |
| 101 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 102 | info = framebuffer_alloc(0, device); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 103 | if (!info) { |
| 104 | ret = -ENOMEM; |
Chris Wilson | b4476f5 | 2009-02-11 14:26:36 +0000 | [diff] [blame] | 105 | goto out_unpin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 106 | } |
| 107 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 108 | info->par = ifbdev; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 109 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 110 | ret = intel_framebuffer_init(dev, &ifbdev->ifb, &mode_cmd, obj); |
Chris Wilson | cce13ff | 2010-08-08 13:36:38 +0100 | [diff] [blame] | 111 | if (ret) |
| 112 | goto out_unpin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 113 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 114 | fb = &ifbdev->ifb.base; |
| 115 | |
| 116 | ifbdev->helper.fb = fb; |
| 117 | ifbdev->helper.fbdev = info; |
Dave Airlie | 785b93e | 2009-08-28 15:46:53 +1000 | [diff] [blame] | 118 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 119 | strcpy(info->fix.id, "inteldrmfb"); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 120 | |
Jesse Barnes | 8fd4bd2 | 2010-06-23 12:56:12 -0700 | [diff] [blame] | 121 | info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 122 | info->fbops = &intelfb_ops; |
| 123 | |
Chris Wilson | 35c3047 | 2010-12-22 14:07:12 +0000 | [diff] [blame] | 124 | ret = fb_alloc_cmap(&info->cmap, 256, 0); |
| 125 | if (ret) { |
| 126 | ret = -ENOMEM; |
| 127 | goto out_unpin; |
| 128 | } |
Dave Airlie | 4410f39 | 2009-06-16 15:34:38 -0700 | [diff] [blame] | 129 | /* setup aperture base/size for vesafb takeover */ |
Marcin Slusarz | 1471ca9 | 2010-05-16 17:27:03 +0200 | [diff] [blame] | 130 | info->apertures = alloc_apertures(1); |
| 131 | if (!info->apertures) { |
| 132 | ret = -ENOMEM; |
| 133 | goto out_unpin; |
| 134 | } |
| 135 | info->apertures->ranges[0].base = dev->mode_config.fb_base; |
Chris Wilson | 35c3047 | 2010-12-22 14:07:12 +0000 | [diff] [blame] | 136 | info->apertures->ranges[0].size = |
| 137 | dev_priv->mm.gtt->gtt_mappable_entries << PAGE_SHIFT; |
Dave Airlie | 4410f39 | 2009-06-16 15:34:38 -0700 | [diff] [blame] | 138 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 139 | info->fix.smem_start = dev->mode_config.fb_base + obj->gtt_offset; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 140 | info->fix.smem_len = size; |
| 141 | |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 142 | info->screen_base = ioremap_wc(dev->agp->base + obj->gtt_offset, size); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 143 | if (!info->screen_base) { |
| 144 | ret = -ENOSPC; |
Chris Wilson | b4476f5 | 2009-02-11 14:26:36 +0000 | [diff] [blame] | 145 | goto out_unpin; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 146 | } |
| 147 | info->screen_size = size; |
| 148 | |
| 149 | // memset(info->screen_base, 0, size); |
| 150 | |
Dave Airlie | 3632ef8 | 2011-01-15 09:27:00 +1000 | [diff] [blame] | 151 | drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 152 | 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] | 153 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 154 | info->pixmap.size = 64*1024; |
| 155 | info->pixmap.buf_align = 8; |
| 156 | info->pixmap.access_align = 32; |
| 157 | info->pixmap.flags = FB_PIXMAP_SYSTEM; |
| 158 | info->pixmap.scan_align = 1; |
| 159 | |
Zhao Yakui | 28c9773 | 2009-10-09 11:39:41 +0800 | [diff] [blame] | 160 | DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 161 | fb->width, fb->height, |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 162 | obj->gtt_offset, obj); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 163 | |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 164 | |
| 165 | mutex_unlock(&dev->struct_mutex); |
Dave Airlie | 6a9ee8a | 2010-02-01 15:38:10 +1000 | [diff] [blame] | 166 | vga_switcheroo_client_fb_set(dev->pdev, info); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 167 | return 0; |
| 168 | |
Chris Wilson | b4476f5 | 2009-02-11 14:26:36 +0000 | [diff] [blame] | 169 | out_unpin: |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 170 | i915_gem_object_unpin(obj); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 171 | out_unref: |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 172 | drm_gem_object_unreference(&obj->base); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 173 | mutex_unlock(&dev->struct_mutex); |
| 174 | out: |
| 175 | return ret; |
| 176 | } |
| 177 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 178 | static int intel_fb_find_or_create_single(struct drm_fb_helper *helper, |
| 179 | struct drm_fb_helper_surface_size *sizes) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 180 | { |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 181 | struct intel_fbdev *ifbdev = (struct intel_fbdev *)helper; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 182 | int new_fb = 0; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 183 | int ret; |
| 184 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 185 | if (!helper->fb) { |
| 186 | ret = intelfb_create(ifbdev, sizes); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 187 | if (ret) |
| 188 | return ret; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 189 | new_fb = 1; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 190 | } |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 191 | return new_fb; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 192 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 193 | |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 194 | static struct drm_fb_helper_funcs intel_fb_helper_funcs = { |
| 195 | .gamma_set = intel_crtc_fb_gamma_set, |
| 196 | .gamma_get = intel_crtc_fb_gamma_get, |
| 197 | .fb_probe = intel_fb_find_or_create_single, |
| 198 | }; |
| 199 | |
Chris Wilson | 7b4f399 | 2010-10-04 15:33:04 +0100 | [diff] [blame] | 200 | static void intel_fbdev_destroy(struct drm_device *dev, |
| 201 | struct intel_fbdev *ifbdev) |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 202 | { |
| 203 | struct fb_info *info; |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 204 | struct intel_framebuffer *ifb = &ifbdev->ifb; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 205 | |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 206 | if (ifbdev->helper.fbdev) { |
| 207 | info = ifbdev->helper.fbdev; |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 208 | unregister_framebuffer(info); |
| 209 | iounmap(info->screen_base); |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 210 | if (info->cmap.len) |
| 211 | fb_dealloc_cmap(&info->cmap); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 212 | framebuffer_release(info); |
| 213 | } |
| 214 | |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 215 | drm_fb_helper_fini(&ifbdev->helper); |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 216 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 217 | drm_framebuffer_cleanup(&ifb->base); |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 218 | if (ifb->obj) { |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 219 | drm_gem_object_unreference_unlocked(&ifb->obj->base); |
Dave Airlie | dab8dcf | 2010-10-07 14:01:17 +1000 | [diff] [blame] | 220 | ifb->obj = NULL; |
Dave Airlie | 29d08b3 | 2010-09-27 16:17:17 +1000 | [diff] [blame] | 221 | } |
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 | |
| 224 | int intel_fbdev_init(struct drm_device *dev) |
| 225 | { |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 226 | struct intel_fbdev *ifbdev; |
| 227 | drm_i915_private_t *dev_priv = dev->dev_private; |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 228 | int ret; |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 229 | |
| 230 | ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL); |
| 231 | if (!ifbdev) |
| 232 | return -ENOMEM; |
| 233 | |
| 234 | dev_priv->fbdev = ifbdev; |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 235 | ifbdev->helper.funcs = &intel_fb_helper_funcs; |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 236 | |
Chris Wilson | 5a79395 | 2010-06-06 10:50:03 +0100 | [diff] [blame] | 237 | ret = drm_fb_helper_init(dev, &ifbdev->helper, |
| 238 | dev_priv->num_pipe, |
| 239 | INTELFB_CONN_LIMIT); |
| 240 | if (ret) { |
| 241 | kfree(ifbdev); |
| 242 | return ret; |
| 243 | } |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 244 | |
Dave Airlie | 0b4c0f3 | 2010-03-30 05:34:15 +0000 | [diff] [blame] | 245 | drm_fb_helper_single_add_all_connectors(&ifbdev->helper); |
Dave Airlie | 4abe352 | 2010-03-30 05:34:18 +0000 | [diff] [blame] | 246 | drm_fb_helper_initial_config(&ifbdev->helper, 32); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 247 | return 0; |
| 248 | } |
| 249 | |
| 250 | void intel_fbdev_fini(struct drm_device *dev) |
| 251 | { |
| 252 | drm_i915_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 253 | if (!dev_priv->fbdev) |
| 254 | return; |
| 255 | |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 256 | intel_fbdev_destroy(dev, dev_priv->fbdev); |
Dave Airlie | 8be48d9 | 2010-03-30 05:34:14 +0000 | [diff] [blame] | 257 | kfree(dev_priv->fbdev); |
Dave Airlie | 3865167 | 2010-03-30 05:34:13 +0000 | [diff] [blame] | 258 | dev_priv->fbdev = NULL; |
| 259 | } |
Jesse Barnes | 79e5394 | 2008-11-07 14:24:08 -0800 | [diff] [blame] | 260 | MODULE_LICENSE("GPL and additional rights"); |
Dave Airlie | eb1f8e4 | 2010-05-07 06:42:51 +0000 | [diff] [blame] | 261 | |
| 262 | void intel_fb_output_poll_changed(struct drm_device *dev) |
| 263 | { |
| 264 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 265 | drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper); |
| 266 | } |
Dave Airlie | e8e7a2b | 2011-04-21 22:18:32 +0100 | [diff] [blame] | 267 | |
| 268 | void intel_fb_restore_mode(struct drm_device *dev) |
| 269 | { |
| 270 | int ret; |
| 271 | drm_i915_private_t *dev_priv = dev->dev_private; |
| 272 | |
| 273 | ret = drm_fb_helper_restore_fbdev_mode(&dev_priv->fbdev->helper); |
| 274 | if (ret) |
| 275 | DRM_DEBUG("failed to restore crtc mode\n"); |
| 276 | } |