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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 | |
30 | #include "drmP.h" |
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31 | #include "drm.h" |
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32 | #include "drm_crtc.h" |
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33 | #include "drm_crtc_helper.h" |
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34 | #include "radeon_drm.h" |
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35 | #include "radeon.h" |
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36 | |||
1179 | serge | 37 | #include "drm_fb_helper.h" |
38 | |||
1126 | serge | 39 | #include |
40 | #include "radeon_object.h" |
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41 | |||
1986 | serge | 42 | int radeonfb_create_object(struct radeon_fbdev *rfbdev, |
43 | struct drm_mode_fb_cmd *mode_cmd, |
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44 | struct drm_gem_object **gobj_p); |
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45 | |||
1963 | serge | 46 | /* object hierarchy - |
47 | this contains a helper + a radeon fb |
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48 | the helper contains a pointer to radeon framebuffer baseclass. |
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49 | */ |
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50 | struct radeon_fbdev { |
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1179 | serge | 51 | struct drm_fb_helper helper; |
1963 | serge | 52 | struct radeon_framebuffer rfb; |
53 | struct list_head fbdev_list; |
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1126 | serge | 54 | struct radeon_device *rdev; |
55 | }; |
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56 | |||
57 | static struct fb_ops radeonfb_ops = { |
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1179 | serge | 58 | // .owner = THIS_MODULE, |
59 | .fb_check_var = drm_fb_helper_check_var, |
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60 | .fb_set_par = drm_fb_helper_set_par, |
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61 | // .fb_fillrect = cfb_fillrect, |
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62 | // .fb_copyarea = cfb_copyarea, |
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63 | // .fb_imageblit = cfb_imageblit, |
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64 | // .fb_pan_display = drm_fb_helper_pan_display, |
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65 | .fb_blank = drm_fb_helper_blank, |
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1221 | serge | 66 | .fb_setcmap = drm_fb_helper_setcmap, |
1126 | serge | 67 | }; |
68 | |||
69 | |||
1233 | serge | 70 | int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled) |
1126 | serge | 71 | { |
72 | int aligned = width; |
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1179 | serge | 73 | int align_large = (ASIC_IS_AVIVO(rdev)) || tiled; |
1126 | serge | 74 | int pitch_mask = 0; |
75 | |||
76 | switch (bpp / 8) { |
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77 | case 1: |
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78 | pitch_mask = align_large ? 255 : 127; |
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79 | break; |
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80 | case 2: |
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81 | pitch_mask = align_large ? 127 : 31; |
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82 | break; |
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83 | case 3: |
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84 | case 4: |
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85 | pitch_mask = align_large ? 63 : 15; |
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86 | break; |
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87 | } |
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88 | |||
89 | aligned += pitch_mask; |
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90 | aligned &= ~pitch_mask; |
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91 | return aligned; |
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92 | } |
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93 | |||
1179 | serge | 94 | |
1963 | serge | 95 | static int radeonfb_create(struct radeon_fbdev *rfbdev, |
96 | struct drm_fb_helper_surface_size *sizes) |
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97 | { |
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98 | struct radeon_device *rdev = rfbdev->rdev; |
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99 | struct fb_info *info; |
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100 | struct drm_framebuffer *fb = NULL; |
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101 | struct drm_mode_fb_cmd mode_cmd; |
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102 | struct drm_gem_object *gobj = NULL; |
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103 | struct radeon_bo *rbo = NULL; |
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104 | struct device *device = &rdev->pdev->dev; |
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105 | int ret; |
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106 | unsigned long tmp; |
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1126 | serge | 107 | |
1963 | serge | 108 | ENTER(); |
109 | |||
110 | mode_cmd.width = sizes->surface_width; |
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111 | mode_cmd.height = sizes->surface_height; |
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112 | |||
113 | /* avivo can't scanout real 24bpp */ |
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114 | if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev)) |
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115 | sizes->surface_bpp = 32; |
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116 | |||
117 | mode_cmd.bpp = sizes->surface_bpp; |
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118 | mode_cmd.depth = sizes->surface_depth; |
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119 | |||
1986 | serge | 120 | ret = radeonfb_create_object(rfbdev, &mode_cmd, &gobj); |
121 | rbo = gem_to_radeon_bo(gobj); |
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1963 | serge | 122 | |
123 | /* okay we have an object now allocate the framebuffer */ |
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124 | info = framebuffer_alloc(0, device); |
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1126 | serge | 125 | if (info == NULL) { |
126 | ret = -ENOMEM; |
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127 | goto out_unref; |
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128 | } |
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1179 | serge | 129 | |
1963 | serge | 130 | info->par = rfbdev; |
1126 | serge | 131 | |
1963 | serge | 132 | radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj); |
133 | |||
134 | fb = &rfbdev->rfb.base; |
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135 | |||
136 | /* setup helper */ |
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137 | rfbdev->helper.fb = fb; |
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138 | rfbdev->helper.fbdev = info; |
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139 | |||
140 | // memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo)); |
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141 | |||
1179 | serge | 142 | strcpy(info->fix.id, "radeondrmfb"); |
1126 | serge | 143 | |
1221 | serge | 144 | drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); |
1179 | serge | 145 | |
1963 | serge | 146 | info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; |
1179 | serge | 147 | info->fbops = &radeonfb_ops; |
148 | |||
1963 | serge | 149 | tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start; |
1126 | serge | 150 | info->fix.smem_start = rdev->mc.aper_base + tmp; |
1963 | serge | 151 | info->fix.smem_len = radeon_bo_size(rbo); |
152 | info->screen_base = rbo->kptr; |
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153 | info->screen_size = radeon_bo_size(rbo); |
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1179 | serge | 154 | |
1963 | serge | 155 | drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height); |
1179 | serge | 156 | |
157 | /* setup aperture base/size for vesafb takeover */ |
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1963 | serge | 158 | info->apertures = alloc_apertures(1); |
159 | if (!info->apertures) { |
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160 | ret = -ENOMEM; |
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161 | goto out_unref; |
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162 | } |
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163 | info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base; |
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164 | info->apertures->ranges[0].size = rdev->mc.aper_size; |
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1179 | serge | 165 | |
1126 | serge | 166 | // info->pixmap.size = 64*1024; |
167 | // info->pixmap.buf_align = 8; |
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168 | // info->pixmap.access_align = 32; |
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169 | // info->pixmap.flags = FB_PIXMAP_SYSTEM; |
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170 | // info->pixmap.scan_align = 1; |
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1963 | serge | 171 | |
1126 | serge | 172 | if (info->screen_base == NULL) { |
173 | ret = -ENOSPC; |
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174 | goto out_unref; |
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175 | } |
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176 | DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); |
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177 | DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base); |
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1963 | serge | 178 | DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo)); |
1126 | serge | 179 | DRM_INFO("fb depth is %d\n", fb->depth); |
180 | DRM_INFO(" pitch is %d\n", fb->pitch); |
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181 | |||
1986 | serge | 182 | |
1963 | serge | 183 | LEAVE(); |
1126 | serge | 184 | |
1963 | serge | 185 | return 0; |
1126 | serge | 186 | |
187 | out_unref: |
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1404 | serge | 188 | if (rbo) { |
1963 | serge | 189 | |
1126 | serge | 190 | } |
191 | if (fb && ret) { |
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192 | kfree(fb); |
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193 | } |
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194 | return ret; |
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195 | } |
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196 | |||
1963 | serge | 197 | static int radeon_fb_find_or_create_single(struct drm_fb_helper *helper, |
198 | struct drm_fb_helper_surface_size *sizes) |
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1126 | serge | 199 | { |
1963 | serge | 200 | struct radeon_fbdev *rfbdev = (struct radeon_fbdev *)helper; |
201 | int new_fb = 0; |
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202 | int ret; |
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203 | |||
204 | if (!helper->fb) { |
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205 | ret = radeonfb_create(rfbdev, sizes); |
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206 | if (ret) |
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207 | return ret; |
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208 | new_fb = 1; |
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209 | } |
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210 | return new_fb; |
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211 | } |
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212 | static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev) |
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213 | { |
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214 | struct fb_info *info; |
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215 | struct radeon_framebuffer *rfb = &rfbdev->rfb; |
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216 | |||
217 | if (rfbdev->helper.fbdev) { |
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218 | info = rfbdev->helper.fbdev; |
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219 | |||
220 | // unregister_framebuffer(info); |
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221 | // framebuffer_release(info); |
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222 | } |
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223 | |||
224 | if (rfb->obj) { |
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225 | rfb->obj = NULL; |
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226 | } |
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227 | // drm_fb_helper_fini(&rfbdev->helper); |
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228 | drm_framebuffer_cleanup(&rfb->base); |
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229 | |||
230 | return 0; |
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231 | } |
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232 | |||
233 | static struct drm_fb_helper_funcs radeon_fb_helper_funcs = { |
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234 | .gamma_set = radeon_crtc_fb_gamma_set, |
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235 | .gamma_get = radeon_crtc_fb_gamma_get, |
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236 | .fb_probe = radeon_fb_find_or_create_single, |
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237 | }; |
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238 | |||
1986 | serge | 239 | extern struct radeon_fbdev *kos_rfbdev; |
240 | |||
1963 | serge | 241 | int radeon_fbdev_init(struct radeon_device *rdev) |
242 | { |
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243 | struct radeon_fbdev *rfbdev; |
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1404 | serge | 244 | int bpp_sel = 32; |
1963 | serge | 245 | int ret; |
1404 | serge | 246 | |
1963 | serge | 247 | ENTER(); |
248 | |||
1404 | serge | 249 | /* select 8 bpp console on RN50 or 16MB cards */ |
250 | if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024)) |
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251 | bpp_sel = 8; |
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252 | |||
1963 | serge | 253 | rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL); |
254 | if (!rfbdev) |
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255 | return -ENOMEM; |
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1126 | serge | 256 | |
1963 | serge | 257 | rfbdev->rdev = rdev; |
258 | rdev->mode_info.rfbdev = rfbdev; |
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259 | rfbdev->helper.funcs = &radeon_fb_helper_funcs; |
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1126 | serge | 260 | |
1963 | serge | 261 | ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper, |
262 | rdev->num_crtc, |
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263 | RADEONFB_CONN_LIMIT); |
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264 | if (ret) { |
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265 | kfree(rfbdev); |
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266 | return ret; |
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1126 | serge | 267 | } |
268 | |||
1963 | serge | 269 | drm_fb_helper_single_add_all_connectors(&rfbdev->helper); |
270 | drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel); |
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1179 | serge | 271 | |
1986 | serge | 272 | kos_rfbdev = rfbdev; |
273 | |||
1963 | serge | 274 | LEAVE(); |
275 | |||
1126 | serge | 276 | return 0; |
277 | } |
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1963 | serge | 278 | |
279 | void radeon_fbdev_fini(struct radeon_device *rdev) |
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280 | { |
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281 | if (!rdev->mode_info.rfbdev) |
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282 | return; |
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283 | |||
284 | radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev); |
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285 | kfree(rdev->mode_info.rfbdev); |
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286 | rdev->mode_info.rfbdev = NULL; |
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287 | } |
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288 | |||
289 | |||
290 | int radeon_fbdev_total_size(struct radeon_device *rdev) |
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291 | { |
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292 | struct radeon_bo *robj; |
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293 | int size = 0; |
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294 | |||
1986 | serge | 295 | robj = gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj); |
1963 | serge | 296 | size += radeon_bo_size(robj); |
297 | return size; |
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298 | } |
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299 | |||
300 | bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj) |
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301 | { |
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1986 | serge | 302 | if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj)) |
1963 | serge | 303 | return true; |
304 | return false; |
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305 | }=> |