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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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26 | /* |
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27 | * Modularization |
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28 | */ |
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29 | |||
1179 | serge | 30 | #include |
31 | #include |
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1126 | serge | 32 | |
33 | #include "drmP.h" |
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34 | #include "drm.h" |
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35 | #include "drm_crtc.h" |
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36 | #include "drm_crtc_helper.h" |
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37 | #include "radeon_drm.h" |
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38 | #include "radeon.h" |
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39 | |||
1179 | serge | 40 | #include "drm_fb_helper.h" |
41 | |||
1126 | serge | 42 | #include |
43 | #include "radeon_object.h" |
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44 | |||
1221 | serge | 45 | struct fb_info *framebuffer_alloc(size_t size, void *dev); |
1126 | serge | 46 | |
47 | struct radeon_fb_device { |
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1179 | serge | 48 | struct drm_fb_helper helper; |
49 | struct radeon_framebuffer *rfb; |
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1126 | serge | 50 | struct radeon_device *rdev; |
51 | }; |
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52 | |||
53 | static struct fb_ops radeonfb_ops = { |
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1179 | serge | 54 | // .owner = THIS_MODULE, |
55 | .fb_check_var = drm_fb_helper_check_var, |
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56 | .fb_set_par = drm_fb_helper_set_par, |
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57 | .fb_setcolreg = drm_fb_helper_setcolreg, |
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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 | /** |
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67 | * Curretly it is assumed that the old framebuffer is reused. |
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68 | * |
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69 | * LOCKING |
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70 | * caller should hold the mode config lock. |
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71 | * |
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72 | */ |
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73 | int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc) |
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74 | { |
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75 | struct fb_info *info; |
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76 | struct drm_framebuffer *fb; |
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77 | struct drm_display_mode *mode = crtc->desired_mode; |
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78 | |||
79 | fb = crtc->fb; |
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80 | if (fb == NULL) { |
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81 | return 1; |
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82 | } |
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83 | info = fb->fbdev; |
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84 | if (info == NULL) { |
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85 | return 1; |
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86 | } |
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87 | if (mode == NULL) { |
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88 | return 1; |
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89 | } |
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90 | info->var.xres = mode->hdisplay; |
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91 | info->var.right_margin = mode->hsync_start - mode->hdisplay; |
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92 | info->var.hsync_len = mode->hsync_end - mode->hsync_start; |
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93 | info->var.left_margin = mode->htotal - mode->hsync_end; |
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94 | info->var.yres = mode->vdisplay; |
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95 | info->var.lower_margin = mode->vsync_start - mode->vdisplay; |
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96 | info->var.vsync_len = mode->vsync_end - mode->vsync_start; |
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97 | info->var.upper_margin = mode->vtotal - mode->vsync_end; |
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98 | info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100; |
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99 | /* avoid overflow */ |
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100 | info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; |
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101 | |||
102 | return 0; |
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103 | } |
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104 | EXPORT_SYMBOL(radeonfb_resize); |
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105 | |||
1179 | serge | 106 | static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled) |
1126 | serge | 107 | { |
108 | int aligned = width; |
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1179 | serge | 109 | int align_large = (ASIC_IS_AVIVO(rdev)) || tiled; |
1126 | serge | 110 | int pitch_mask = 0; |
111 | |||
112 | switch (bpp / 8) { |
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113 | case 1: |
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114 | pitch_mask = align_large ? 255 : 127; |
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115 | break; |
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116 | case 2: |
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117 | pitch_mask = align_large ? 127 : 31; |
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118 | break; |
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119 | case 3: |
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120 | case 4: |
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121 | pitch_mask = align_large ? 63 : 15; |
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122 | break; |
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123 | } |
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124 | |||
125 | aligned += pitch_mask; |
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126 | aligned &= ~pitch_mask; |
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127 | return aligned; |
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128 | } |
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129 | |||
1179 | serge | 130 | static struct drm_fb_helper_funcs radeon_fb_helper_funcs = { |
131 | .gamma_set = radeon_crtc_fb_gamma_set, |
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1221 | serge | 132 | .gamma_get = radeon_crtc_fb_gamma_get, |
1179 | serge | 133 | }; |
134 | |||
135 | int radeonfb_create(struct drm_device *dev, |
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1126 | serge | 136 | uint32_t fb_width, uint32_t fb_height, |
137 | uint32_t surface_width, uint32_t surface_height, |
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1221 | serge | 138 | uint32_t surface_depth, uint32_t surface_bpp, |
1179 | serge | 139 | struct drm_framebuffer **fb_p) |
1126 | serge | 140 | { |
1179 | serge | 141 | struct radeon_device *rdev = dev->dev_private; |
1126 | serge | 142 | struct fb_info *info; |
143 | struct radeon_fb_device *rfbdev; |
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144 | struct drm_framebuffer *fb = NULL; |
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145 | struct radeon_framebuffer *rfb; |
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146 | struct drm_mode_fb_cmd mode_cmd; |
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147 | struct drm_gem_object *gobj = NULL; |
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148 | struct radeon_object *robj = NULL; |
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1221 | serge | 149 | void *device = NULL; //&rdev->pdev->dev; |
1126 | serge | 150 | int size, aligned_size, ret; |
151 | u64 fb_gpuaddr; |
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152 | void *fbptr = NULL; |
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153 | unsigned long tmp; |
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1179 | serge | 154 | bool fb_tiled = false; /* useful for testing */ |
155 | u32 tiling_flags = 0; |
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1221 | serge | 156 | int crtc_count; |
1126 | serge | 157 | |
1179 | serge | 158 | mode_cmd.width = surface_width; |
1126 | serge | 159 | mode_cmd.height = surface_height; |
1221 | serge | 160 | |
161 | /* avivo can't scanout real 24bpp */ |
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162 | if ((surface_bpp == 24) && ASIC_IS_AVIVO(rdev)) |
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163 | surface_bpp = 32; |
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164 | |||
1126 | serge | 165 | mode_cmd.bpp = 32; |
166 | /* need to align pitch with crtc limits */ |
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1179 | serge | 167 | mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp, fb_tiled) * ((mode_cmd.bpp + 1) / 8); |
1221 | serge | 168 | mode_cmd.depth = surface_depth; |
1126 | serge | 169 | |
170 | size = mode_cmd.pitch * mode_cmd.height; |
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171 | aligned_size = ALIGN(size, PAGE_SIZE); |
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172 | |||
173 | ret = radeon_gem_fb_object_create(rdev, aligned_size, 0, |
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174 | RADEON_GEM_DOMAIN_VRAM, |
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175 | false, 0, |
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176 | false, &gobj); |
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177 | if (ret) { |
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178 | printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n", |
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179 | surface_width, surface_height); |
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180 | ret = -ENOMEM; |
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181 | goto out; |
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182 | } |
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183 | robj = gobj->driver_private; |
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184 | |||
1179 | serge | 185 | mutex_lock(&rdev->ddev->struct_mutex); |
1126 | serge | 186 | fb = radeon_framebuffer_create(rdev->ddev, &mode_cmd, gobj); |
187 | if (fb == NULL) { |
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188 | DRM_ERROR("failed to allocate fb.\n"); |
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189 | ret = -ENOMEM; |
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190 | goto out_unref; |
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191 | } |
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192 | ret = radeon_object_pin(robj, RADEON_GEM_DOMAIN_VRAM, &fb_gpuaddr); |
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193 | if (ret) { |
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194 | printk(KERN_ERR "failed to pin framebuffer\n"); |
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195 | ret = -ENOMEM; |
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196 | goto out_unref; |
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197 | } |
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198 | |||
1179 | serge | 199 | list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list); |
1126 | serge | 200 | |
1179 | serge | 201 | *fb_p = fb; |
1126 | serge | 202 | rfb = to_radeon_framebuffer(fb); |
203 | rdev->fbdev_rfb = rfb; |
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204 | rdev->fbdev_robj = robj; |
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205 | |||
1221 | serge | 206 | info = framebuffer_alloc(sizeof(struct radeon_fb_device), device); |
1126 | serge | 207 | if (info == NULL) { |
208 | ret = -ENOMEM; |
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209 | goto out_unref; |
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210 | } |
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1179 | serge | 211 | |
212 | rdev->fbdev_info = info; |
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1126 | serge | 213 | rfbdev = info->par; |
1179 | serge | 214 | rfbdev->helper.funcs = &radeon_fb_helper_funcs; |
215 | rfbdev->helper.dev = dev; |
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1221 | serge | 216 | if (rdev->flags & RADEON_SINGLE_CRTC) |
217 | crtc_count = 1; |
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218 | else |
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219 | crtc_count = 2; |
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220 | ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, crtc_count, |
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1179 | serge | 221 | RADEONFB_CONN_LIMIT); |
222 | if (ret) |
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223 | goto out_unref; |
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1126 | serge | 224 | |
225 | // ret = radeon_object_kmap(robj, &fbptr); |
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226 | // if (ret) { |
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227 | // goto out_unref; |
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228 | // } |
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229 | |||
1179 | serge | 230 | |
1126 | serge | 231 | fbptr = (void*)0xFE000000; // LFB_BASE |
232 | |||
1179 | serge | 233 | strcpy(info->fix.id, "radeondrmfb"); |
1126 | serge | 234 | |
1221 | serge | 235 | drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); |
1179 | serge | 236 | |
237 | info->flags = FBINFO_DEFAULT; |
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238 | info->fbops = &radeonfb_ops; |
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239 | |||
1126 | serge | 240 | tmp = fb_gpuaddr - rdev->mc.vram_location; |
241 | info->fix.smem_start = rdev->mc.aper_base + tmp; |
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242 | info->fix.smem_len = size; |
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243 | info->screen_base = fbptr; |
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244 | info->screen_size = size; |
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1179 | serge | 245 | |
246 | drm_fb_helper_fill_var(info, fb, fb_width, fb_height); |
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247 | |||
248 | /* setup aperture base/size for vesafb takeover */ |
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249 | info->aperture_base = rdev->ddev->mode_config.fb_base; |
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250 | info->aperture_size = rdev->mc.real_vram_size; |
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251 | |||
1126 | serge | 252 | info->fix.mmio_start = 0; |
253 | info->fix.mmio_len = 0; |
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254 | // info->pixmap.size = 64*1024; |
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255 | // info->pixmap.buf_align = 8; |
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256 | // info->pixmap.access_align = 32; |
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257 | // info->pixmap.flags = FB_PIXMAP_SYSTEM; |
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258 | // info->pixmap.scan_align = 1; |
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259 | if (info->screen_base == NULL) { |
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260 | ret = -ENOSPC; |
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261 | goto out_unref; |
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262 | } |
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263 | DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); |
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264 | DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base); |
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265 | DRM_INFO("size %lu\n", (unsigned long)size); |
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266 | DRM_INFO("fb depth is %d\n", fb->depth); |
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267 | DRM_INFO(" pitch is %d\n", fb->pitch); |
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268 | |||
269 | dbgprintf("fb = %x\n", fb); |
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270 | |||
271 | fb->fbdev = info; |
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272 | rfbdev->rfb = rfb; |
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273 | rfbdev->rdev = rdev; |
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274 | |||
1179 | serge | 275 | mutex_unlock(&rdev->ddev->struct_mutex); |
1126 | serge | 276 | return 0; |
277 | |||
278 | out_unref: |
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279 | if (robj) { |
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280 | // radeon_object_kunmap(robj); |
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281 | } |
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282 | if (fb && ret) { |
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283 | list_del(&fb->filp_head); |
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284 | // drm_gem_object_unreference(gobj); |
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285 | // drm_framebuffer_cleanup(fb); |
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286 | kfree(fb); |
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287 | } |
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288 | // drm_gem_object_unreference(gobj); |
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1179 | serge | 289 | mutex_unlock(&rdev->ddev->struct_mutex); |
1126 | serge | 290 | out: |
291 | return ret; |
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292 | } |
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293 | |||
294 | int radeonfb_probe(struct drm_device *dev) |
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295 | { |
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1221 | serge | 296 | return drm_fb_helper_single_fb_probe(dev, 32, &radeonfb_create); |
1126 | serge | 297 | } |
298 | |||
299 | int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) |
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300 | { |
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301 | struct fb_info *info; |
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302 | struct radeon_framebuffer *rfb = to_radeon_framebuffer(fb); |
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303 | struct radeon_object *robj; |
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304 | |||
305 | if (!fb) { |
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306 | return -EINVAL; |
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307 | } |
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308 | info = fb->fbdev; |
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309 | if (info) { |
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1179 | serge | 310 | struct radeon_fb_device *rfbdev = info->par; |
1126 | serge | 311 | robj = rfb->obj->driver_private; |
312 | // unregister_framebuffer(info); |
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313 | // radeon_object_kunmap(robj); |
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314 | // radeon_object_unpin(robj); |
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315 | // framebuffer_release(info); |
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316 | } |
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317 | |||
318 | printk(KERN_INFO "unregistered panic notifier\n"); |
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1179 | serge | 319 | |
1126 | serge | 320 | return 0; |
321 | } |
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322 | EXPORT_SYMBOL(radeonfb_remove); |
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323 | |||
324 | |||
325 | /** |
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326 | * Allocate a GEM object of the specified size with shmfs backing store |
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327 | */ |
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328 | struct drm_gem_object * |
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329 | drm_gem_object_alloc(struct drm_device *dev, size_t size) |
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330 | { |
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331 | struct drm_gem_object *obj; |
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332 | |||
333 | BUG_ON((size & (PAGE_SIZE - 1)) != 0); |
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334 | |||
335 | obj = kzalloc(sizeof(*obj), GFP_KERNEL); |
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336 | |||
337 | obj->dev = dev; |
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338 | // obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE); |
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339 | // if (IS_ERR(obj->filp)) { |
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340 | // kfree(obj); |
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341 | // return NULL; |
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342 | // } |
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343 | |||
344 | // kref_init(&obj->refcount); |
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345 | // kref_init(&obj->handlecount); |
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346 | obj->size = size; |
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347 | |||
348 | // if (dev->driver->gem_init_object != NULL && |
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349 | // dev->driver->gem_init_object(obj) != 0) { |
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350 | // fput(obj->filp); |
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351 | // kfree(obj); |
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352 | // return NULL; |
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353 | // } |
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354 | // atomic_inc(&dev->object_count); |
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355 | // atomic_add(obj->size, &dev->object_memory); |
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356 | return obj; |
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357 | } |
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358 | |||
359 | |||
360 | int radeon_gem_fb_object_create(struct radeon_device *rdev, int size, |
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361 | int alignment, int initial_domain, |
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362 | bool discardable, bool kernel, |
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363 | bool interruptible, |
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364 | struct drm_gem_object **obj) |
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365 | { |
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366 | struct drm_gem_object *gobj; |
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367 | struct radeon_object *robj; |
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368 | |||
369 | *obj = NULL; |
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370 | gobj = drm_gem_object_alloc(rdev->ddev, size); |
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371 | if (!gobj) { |
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372 | return -ENOMEM; |
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373 | } |
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374 | /* At least align on page size */ |
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375 | if (alignment < PAGE_SIZE) { |
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376 | alignment = PAGE_SIZE; |
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377 | } |
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378 | |||
379 | robj = kzalloc(sizeof(struct radeon_object), GFP_KERNEL); |
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380 | if (!robj) { |
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381 | DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n", |
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382 | size, initial_domain, alignment); |
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383 | // mutex_lock(&rdev->ddev->struct_mutex); |
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384 | // drm_gem_object_unreference(gobj); |
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385 | // mutex_unlock(&rdev->ddev->struct_mutex); |
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386 | return -ENOMEM;; |
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387 | } |
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388 | robj->rdev = rdev; |
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389 | robj->gobj = gobj; |
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390 | INIT_LIST_HEAD(&robj->list); |
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391 | |||
392 | robj->flags = TTM_PL_FLAG_VRAM; |
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393 | |||
394 | struct drm_mm_node *vm_node; |
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395 | |||
396 | vm_node = kzalloc(sizeof(*vm_node),0); |
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397 | |||
398 | vm_node->free = 0; |
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399 | vm_node->size = 0x800000 >> 12; |
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400 | vm_node->start = 0; |
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401 | vm_node->mm = NULL; |
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402 | |||
403 | robj->mm_node = vm_node; |
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404 | |||
405 | robj->vm_addr = ((uint32_t)robj->mm_node->start); |
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406 | |||
407 | gobj->driver_private = robj; |
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408 | *obj = gobj; |
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409 | return 0; |
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410 | } |
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411 | |||
412 | |||
1221 | serge | 413 | struct fb_info *framebuffer_alloc(size_t size, void *dev) |
1126 | serge | 414 | { |
415 | #define BYTES_PER_LONG (BITS_PER_LONG/8) |
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416 | #define PADDING (BYTES_PER_LONG - (sizeof(struct fb_info) % BYTES_PER_LONG)) |
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417 | int fb_info_size = sizeof(struct fb_info); |
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418 | struct fb_info *info; |
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419 | char *p; |
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420 | |||
421 | if (size) |
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422 | fb_info_size += PADDING; |
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423 | |||
424 | p = kzalloc(fb_info_size + size, GFP_KERNEL); |
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425 | |||
426 | if (!p) |
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427 | return NULL; |
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428 | |||
429 | info = (struct fb_info *) p; |
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430 | |||
431 | if (size) |
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432 | info->par = p + fb_info_size; |
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433 | |||
434 | return info; |
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435 | #undef PADDING |
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436 | #undef BYTES_PER_LONG |
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437 | } |
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438 | |||
1128 | serge | 439 | static char *manufacturer_name(unsigned char *x) |
440 | { |
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441 | static char name[4]; |
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442 | |||
443 | name[0] = ((x[0] & 0x7C) >> 2) + '@'; |
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444 | name[1] = ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@'; |
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445 | name[2] = (x[1] & 0x1F) + '@'; |
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446 | name[3] = 0; |
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447 | |||
448 | return name; |
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449 | } |
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450 | |||
1230 | serge | 451 | void set_crtc(struct drm_crtc *crtc); |
1128 | serge | 452 | |
453 | bool set_mode(struct drm_device *dev, int width, int height) |
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454 | { |
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455 | struct drm_connector *connector; |
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456 | |||
1182 | serge | 457 | bool ret = false; |
1128 | serge | 458 | |
1221 | serge | 459 | ENTER(); |
460 | |||
1128 | serge | 461 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
462 | { |
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463 | struct drm_display_mode *mode; |
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464 | |||
465 | struct drm_encoder *encoder; |
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466 | struct drm_crtc *crtc; |
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467 | |||
468 | if( connector->status != connector_status_connected) |
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469 | continue; |
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470 | |||
471 | encoder = connector->encoder; |
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472 | if( encoder == NULL) |
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473 | continue; |
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474 | |||
475 | crtc = encoder->crtc; |
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476 | |||
477 | if(crtc == NULL) |
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478 | continue; |
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479 | |||
480 | list_for_each_entry(mode, &connector->modes, head) |
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481 | { |
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482 | char *con_name, *enc_name; |
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483 | |||
484 | struct drm_framebuffer *fb; |
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485 | |||
486 | if (drm_mode_width(mode) == width && |
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487 | drm_mode_height(mode) == height) |
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488 | { |
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489 | char con_edid[128]; |
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490 | |||
491 | fb = list_first_entry(&dev->mode_config.fb_kernel_list, |
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492 | struct drm_framebuffer, filp_head); |
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493 | |||
494 | memcpy(con_edid, connector->edid_blob_ptr->data, 128); |
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495 | |||
496 | dbgprintf("Manufacturer: %s Model %x Serial Number %u\n", |
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497 | manufacturer_name(con_edid + 0x08), |
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498 | (unsigned short)(con_edid[0x0A] + (con_edid[0x0B] << 8)), |
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499 | (unsigned int)(con_edid[0x0C] + (con_edid[0x0D] << 8) |
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500 | + (con_edid[0x0E] << 16) + (con_edid[0x0F] << 24))); |
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501 | |||
502 | |||
503 | con_name = drm_get_connector_name(connector); |
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504 | enc_name = drm_get_encoder_name(encoder); |
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505 | |||
506 | dbgprintf("set mode %d %d connector %s encoder %s\n", |
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507 | width, height, con_name, enc_name); |
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508 | |||
509 | fb->width = width; |
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510 | fb->height = height; |
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1179 | serge | 511 | fb->pitch = radeon_align_pitch(dev->dev_private, width, 32, false) * ((32 + 1) / 8); |
1128 | serge | 512 | |
513 | crtc->fb = fb; |
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1222 | serge | 514 | crtc->enabled = true; |
1230 | serge | 515 | set_crtc(crtc); |
1128 | serge | 516 | |
517 | ret = drm_crtc_helper_set_mode(crtc, mode, 0, 0, fb); |
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518 | |||
1182 | serge | 519 | sysSetScreen(fb->width, fb->height, fb->pitch); |
1128 | serge | 520 | |
521 | if (ret == true) |
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522 | { |
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1182 | serge | 523 | dbgprintf("new mode %d %d pitch %d\n",fb->width, fb->height, fb->pitch); |
1128 | serge | 524 | } |
525 | else |
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526 | { |
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527 | DRM_ERROR("failed to set mode %d_%d on crtc %p\n", |
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1182 | serge | 528 | fb->width, fb->height, crtc); |
1128 | serge | 529 | }; |
1221 | serge | 530 | |
531 | LEAVE(); |
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532 | |||
533 | return ret; |
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1128 | serge | 534 | }; |
535 | } |
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536 | }; |
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1221 | serge | 537 | LEAVE(); |
1182 | serge | 538 | return ret; |
1128 | serge | 539 | };><>><>><>><>><>> |
540 |