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1126 | serge | 1 | /* |
2 | * Copyright © 2007 David Airlie |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the "Software"), |
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6 | * to deal in the Software without restriction, including without limitation |
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7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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8 | * and/or sell copies of the Software, and to permit persons to whom the |
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9 | * Software is furnished to do so, subject to the following conditions: |
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10 | * |
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11 | * The above copyright notice and this permission notice (including the next |
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12 | * paragraph) shall be included in all copies or substantial portions of the |
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13 | * Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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21 | * DEALINGS IN THE SOFTWARE. |
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22 | * |
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23 | * Authors: |
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24 | * David Airlie |
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25 | */ |
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1179 | serge | 26 | #include |
1986 | serge | 27 | #include |
1179 | serge | 28 | #include |
1126 | serge | 29 | |
2997 | Serge | 30 | #include |
31 | #include |
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32 | #include |
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33 | #include |
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1126 | serge | 34 | #include "radeon.h" |
35 | |||
2997 | Serge | 36 | #include |
1179 | serge | 37 | |
1126 | serge | 38 | |
2997 | Serge | 39 | int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev, |
40 | struct drm_mode_fb_cmd2 *mode_cmd, |
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1986 | serge | 41 | struct drm_gem_object **gobj_p); |
42 | |||
1963 | serge | 43 | /* object hierarchy - |
44 | this contains a helper + a radeon fb |
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45 | the helper contains a pointer to radeon framebuffer baseclass. |
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46 | */ |
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47 | struct radeon_fbdev { |
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1179 | serge | 48 | struct drm_fb_helper helper; |
1963 | serge | 49 | struct radeon_framebuffer rfb; |
50 | struct list_head fbdev_list; |
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1126 | serge | 51 | struct radeon_device *rdev; |
52 | }; |
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53 | |||
54 | static struct fb_ops radeonfb_ops = { |
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2997 | Serge | 55 | .owner = THIS_MODULE, |
1179 | serge | 56 | .fb_check_var = drm_fb_helper_check_var, |
57 | .fb_set_par = drm_fb_helper_set_par, |
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58 | // .fb_fillrect = cfb_fillrect, |
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59 | // .fb_copyarea = cfb_copyarea, |
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60 | // .fb_imageblit = cfb_imageblit, |
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61 | // .fb_pan_display = drm_fb_helper_pan_display, |
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62 | .fb_blank = drm_fb_helper_blank, |
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1221 | serge | 63 | .fb_setcmap = drm_fb_helper_setcmap, |
1126 | serge | 64 | }; |
65 | |||
66 | |||
1233 | serge | 67 | int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled) |
1126 | serge | 68 | { |
69 | int aligned = width; |
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1179 | serge | 70 | int align_large = (ASIC_IS_AVIVO(rdev)) || tiled; |
1126 | serge | 71 | int pitch_mask = 0; |
72 | |||
73 | switch (bpp / 8) { |
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74 | case 1: |
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75 | pitch_mask = align_large ? 255 : 127; |
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76 | break; |
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77 | case 2: |
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78 | pitch_mask = align_large ? 127 : 31; |
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79 | break; |
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80 | case 3: |
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81 | case 4: |
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82 | pitch_mask = align_large ? 63 : 15; |
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83 | break; |
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84 | } |
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85 | |||
86 | aligned += pitch_mask; |
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87 | aligned &= ~pitch_mask; |
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88 | return aligned; |
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89 | } |
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90 | |||
1179 | serge | 91 | |
1963 | serge | 92 | static int radeonfb_create(struct radeon_fbdev *rfbdev, |
93 | struct drm_fb_helper_surface_size *sizes) |
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94 | { |
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95 | struct radeon_device *rdev = rfbdev->rdev; |
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96 | struct fb_info *info; |
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97 | struct drm_framebuffer *fb = NULL; |
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2997 | Serge | 98 | struct drm_mode_fb_cmd2 mode_cmd; |
1963 | serge | 99 | struct drm_gem_object *gobj = NULL; |
100 | struct radeon_bo *rbo = NULL; |
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101 | struct device *device = &rdev->pdev->dev; |
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102 | int ret; |
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103 | unsigned long tmp; |
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1126 | serge | 104 | |
1963 | serge | 105 | ENTER(); |
106 | |||
107 | mode_cmd.width = sizes->surface_width; |
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108 | mode_cmd.height = sizes->surface_height; |
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109 | |||
110 | /* avivo can't scanout real 24bpp */ |
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111 | if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev)) |
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112 | sizes->surface_bpp = 32; |
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113 | |||
2997 | Serge | 114 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
115 | sizes->surface_depth); |
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1963 | serge | 116 | |
2997 | Serge | 117 | ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj); |
118 | if (ret) { |
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119 | DRM_ERROR("failed to create fbcon object %d\n", ret); |
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120 | return ret; |
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121 | } |
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122 | |||
1986 | serge | 123 | rbo = gem_to_radeon_bo(gobj); |
1963 | serge | 124 | |
125 | /* okay we have an object now allocate the framebuffer */ |
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126 | info = framebuffer_alloc(0, device); |
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1126 | serge | 127 | if (info == NULL) { |
2997 | Serge | 128 | dbgprintf("framebuffer_alloc\n"); |
1126 | serge | 129 | ret = -ENOMEM; |
130 | goto out_unref; |
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131 | } |
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1179 | serge | 132 | |
1963 | serge | 133 | info->par = rfbdev; |
1126 | serge | 134 | |
2997 | Serge | 135 | ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj); |
136 | if (ret) { |
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137 | DRM_ERROR("failed to initalise framebuffer %d\n", ret); |
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138 | goto out_unref; |
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139 | } |
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1963 | serge | 140 | |
141 | fb = &rfbdev->rfb.base; |
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142 | |||
143 | /* setup helper */ |
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144 | rfbdev->helper.fb = fb; |
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145 | rfbdev->helper.fbdev = info; |
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146 | |||
147 | // memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo)); |
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148 | |||
1179 | serge | 149 | strcpy(info->fix.id, "radeondrmfb"); |
1126 | serge | 150 | |
2997 | Serge | 151 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
1179 | serge | 152 | |
1963 | serge | 153 | info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; |
1179 | serge | 154 | info->fbops = &radeonfb_ops; |
155 | |||
1963 | serge | 156 | tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start; |
1126 | serge | 157 | info->fix.smem_start = rdev->mc.aper_base + tmp; |
1963 | serge | 158 | info->fix.smem_len = radeon_bo_size(rbo); |
159 | info->screen_base = rbo->kptr; |
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160 | info->screen_size = radeon_bo_size(rbo); |
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1179 | serge | 161 | |
1963 | serge | 162 | drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height); |
1179 | serge | 163 | |
164 | /* setup aperture base/size for vesafb takeover */ |
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1963 | serge | 165 | info->apertures = alloc_apertures(1); |
166 | if (!info->apertures) { |
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167 | ret = -ENOMEM; |
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168 | goto out_unref; |
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169 | } |
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170 | info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base; |
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171 | info->apertures->ranges[0].size = rdev->mc.aper_size; |
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1179 | serge | 172 | |
2997 | Serge | 173 | /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ |
1963 | serge | 174 | |
2997 | Serge | 175 | // if (info->screen_base == NULL) { |
176 | // ret = -ENOSPC; |
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177 | // goto out_unref; |
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178 | // } |
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1126 | serge | 179 | DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); |
180 | DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base); |
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1963 | serge | 181 | DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo)); |
1126 | serge | 182 | DRM_INFO("fb depth is %d\n", fb->depth); |
2997 | Serge | 183 | DRM_INFO(" pitch is %d\n", fb->pitches[0]); |
1126 | serge | 184 | |
1986 | serge | 185 | |
1963 | serge | 186 | LEAVE(); |
1126 | serge | 187 | |
1963 | serge | 188 | return 0; |
1126 | serge | 189 | |
190 | out_unref: |
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1404 | serge | 191 | if (rbo) { |
1963 | serge | 192 | |
1126 | serge | 193 | } |
194 | if (fb && ret) { |
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195 | kfree(fb); |
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196 | } |
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197 | return ret; |
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198 | } |
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199 | |||
1963 | serge | 200 | static int radeon_fb_find_or_create_single(struct drm_fb_helper *helper, |
201 | struct drm_fb_helper_surface_size *sizes) |
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1126 | serge | 202 | { |
1963 | serge | 203 | struct radeon_fbdev *rfbdev = (struct radeon_fbdev *)helper; |
204 | int new_fb = 0; |
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205 | int ret; |
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206 | |||
207 | if (!helper->fb) { |
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208 | ret = radeonfb_create(rfbdev, sizes); |
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209 | if (ret) |
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210 | return ret; |
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211 | new_fb = 1; |
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212 | } |
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213 | return new_fb; |
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214 | } |
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215 | static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev) |
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216 | { |
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217 | struct fb_info *info; |
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218 | struct radeon_framebuffer *rfb = &rfbdev->rfb; |
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219 | |||
220 | if (rfbdev->helper.fbdev) { |
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221 | info = rfbdev->helper.fbdev; |
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222 | |||
223 | // unregister_framebuffer(info); |
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224 | // framebuffer_release(info); |
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225 | } |
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226 | |||
227 | if (rfb->obj) { |
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228 | rfb->obj = NULL; |
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229 | } |
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230 | // drm_fb_helper_fini(&rfbdev->helper); |
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231 | drm_framebuffer_cleanup(&rfb->base); |
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232 | |||
233 | return 0; |
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234 | } |
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235 | |||
236 | static struct drm_fb_helper_funcs radeon_fb_helper_funcs = { |
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237 | .gamma_set = radeon_crtc_fb_gamma_set, |
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238 | .gamma_get = radeon_crtc_fb_gamma_get, |
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239 | .fb_probe = radeon_fb_find_or_create_single, |
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240 | }; |
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241 | |||
1986 | serge | 242 | extern struct radeon_fbdev *kos_rfbdev; |
243 | |||
1963 | serge | 244 | int radeon_fbdev_init(struct radeon_device *rdev) |
245 | { |
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246 | struct radeon_fbdev *rfbdev; |
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1404 | serge | 247 | int bpp_sel = 32; |
1963 | serge | 248 | int ret; |
1404 | serge | 249 | |
1963 | serge | 250 | ENTER(); |
251 | |||
1404 | serge | 252 | /* select 8 bpp console on RN50 or 16MB cards */ |
253 | if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024)) |
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254 | bpp_sel = 8; |
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255 | |||
1963 | serge | 256 | rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL); |
257 | if (!rfbdev) |
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258 | return -ENOMEM; |
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1126 | serge | 259 | |
1963 | serge | 260 | rfbdev->rdev = rdev; |
261 | rdev->mode_info.rfbdev = rfbdev; |
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262 | rfbdev->helper.funcs = &radeon_fb_helper_funcs; |
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1126 | serge | 263 | |
1963 | serge | 264 | ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper, |
265 | rdev->num_crtc, |
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266 | RADEONFB_CONN_LIMIT); |
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267 | if (ret) { |
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268 | kfree(rfbdev); |
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269 | return ret; |
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1126 | serge | 270 | } |
271 | |||
1963 | serge | 272 | drm_fb_helper_single_add_all_connectors(&rfbdev->helper); |
273 | drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel); |
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1179 | serge | 274 | |
1986 | serge | 275 | kos_rfbdev = rfbdev; |
276 | |||
1963 | serge | 277 | LEAVE(); |
278 | |||
1126 | serge | 279 | return 0; |
280 | } |
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1963 | serge | 281 | |
282 | void radeon_fbdev_fini(struct radeon_device *rdev) |
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283 | { |
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284 | if (!rdev->mode_info.rfbdev) |
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285 | return; |
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286 | |||
287 | radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev); |
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288 | kfree(rdev->mode_info.rfbdev); |
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289 | rdev->mode_info.rfbdev = NULL; |
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290 | } |
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291 | |||
292 | |||
293 | int radeon_fbdev_total_size(struct radeon_device *rdev) |
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294 | { |
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295 | struct radeon_bo *robj; |
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296 | int size = 0; |
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297 | |||
1986 | serge | 298 | robj = gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj); |
1963 | serge | 299 | size += radeon_bo_size(robj); |
300 | return size; |
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301 | } |
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302 | |||
303 | bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj) |
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304 | { |
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1986 | serge | 305 | if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj)) |
1963 | serge | 306 | return true; |
307 | return false; |
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308 | }=> |