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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 | |||
1179 | serge | 45 | struct fb_info *framebuffer_alloc(size_t size); |
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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1126 | serge | 63 | }; |
64 | |||
65 | /** |
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66 | * Curretly it is assumed that the old framebuffer is reused. |
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67 | * |
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68 | * LOCKING |
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69 | * caller should hold the mode config lock. |
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70 | * |
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71 | */ |
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72 | int radeonfb_resize(struct drm_device *dev, struct drm_crtc *crtc) |
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73 | { |
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74 | struct fb_info *info; |
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75 | struct drm_framebuffer *fb; |
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76 | struct drm_display_mode *mode = crtc->desired_mode; |
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77 | |||
78 | fb = crtc->fb; |
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79 | if (fb == NULL) { |
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80 | return 1; |
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81 | } |
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82 | info = fb->fbdev; |
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83 | if (info == NULL) { |
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84 | return 1; |
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85 | } |
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86 | if (mode == NULL) { |
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87 | return 1; |
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88 | } |
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89 | info->var.xres = mode->hdisplay; |
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90 | info->var.right_margin = mode->hsync_start - mode->hdisplay; |
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91 | info->var.hsync_len = mode->hsync_end - mode->hsync_start; |
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92 | info->var.left_margin = mode->htotal - mode->hsync_end; |
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93 | info->var.yres = mode->vdisplay; |
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94 | info->var.lower_margin = mode->vsync_start - mode->vdisplay; |
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95 | info->var.vsync_len = mode->vsync_end - mode->vsync_start; |
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96 | info->var.upper_margin = mode->vtotal - mode->vsync_end; |
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97 | info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100; |
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98 | /* avoid overflow */ |
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99 | info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; |
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100 | |||
101 | return 0; |
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102 | } |
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103 | EXPORT_SYMBOL(radeonfb_resize); |
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104 | |||
1179 | serge | 105 | static int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled) |
1126 | serge | 106 | { |
107 | int aligned = width; |
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1179 | serge | 108 | int align_large = (ASIC_IS_AVIVO(rdev)) || tiled; |
1126 | serge | 109 | int pitch_mask = 0; |
110 | |||
111 | switch (bpp / 8) { |
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112 | case 1: |
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113 | pitch_mask = align_large ? 255 : 127; |
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114 | break; |
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115 | case 2: |
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116 | pitch_mask = align_large ? 127 : 31; |
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117 | break; |
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118 | case 3: |
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119 | case 4: |
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120 | pitch_mask = align_large ? 63 : 15; |
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121 | break; |
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122 | } |
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123 | |||
124 | aligned += pitch_mask; |
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125 | aligned &= ~pitch_mask; |
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126 | return aligned; |
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127 | } |
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128 | |||
1179 | serge | 129 | static struct drm_fb_helper_funcs radeon_fb_helper_funcs = { |
130 | .gamma_set = radeon_crtc_fb_gamma_set, |
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131 | }; |
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132 | |||
133 | int radeonfb_create(struct drm_device *dev, |
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1126 | serge | 134 | uint32_t fb_width, uint32_t fb_height, |
135 | uint32_t surface_width, uint32_t surface_height, |
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1179 | serge | 136 | struct drm_framebuffer **fb_p) |
1126 | serge | 137 | { |
1179 | serge | 138 | struct radeon_device *rdev = dev->dev_private; |
1126 | serge | 139 | struct fb_info *info; |
140 | struct radeon_fb_device *rfbdev; |
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141 | struct drm_framebuffer *fb = NULL; |
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142 | struct radeon_framebuffer *rfb; |
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143 | struct drm_mode_fb_cmd mode_cmd; |
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144 | struct drm_gem_object *gobj = NULL; |
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145 | struct radeon_object *robj = NULL; |
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146 | // struct device *device = &rdev->pdev->dev; |
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147 | int size, aligned_size, ret; |
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148 | u64 fb_gpuaddr; |
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149 | void *fbptr = NULL; |
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150 | unsigned long tmp; |
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1179 | serge | 151 | bool fb_tiled = false; /* useful for testing */ |
152 | u32 tiling_flags = 0; |
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1126 | serge | 153 | |
1179 | serge | 154 | mode_cmd.width = surface_width; |
1126 | serge | 155 | mode_cmd.height = surface_height; |
156 | mode_cmd.bpp = 32; |
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157 | /* need to align pitch with crtc limits */ |
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1179 | serge | 158 | mode_cmd.pitch = radeon_align_pitch(rdev, mode_cmd.width, mode_cmd.bpp, fb_tiled) * ((mode_cmd.bpp + 1) / 8); |
159 | mode_cmd.depth = 24; |
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1126 | serge | 160 | |
161 | size = mode_cmd.pitch * mode_cmd.height; |
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162 | aligned_size = ALIGN(size, PAGE_SIZE); |
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163 | |||
164 | ret = radeon_gem_fb_object_create(rdev, aligned_size, 0, |
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165 | RADEON_GEM_DOMAIN_VRAM, |
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166 | false, 0, |
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167 | false, &gobj); |
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168 | |||
169 | if (ret) { |
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170 | printk(KERN_ERR "failed to allocate framebuffer (%d %d)\n", |
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171 | surface_width, surface_height); |
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172 | ret = -ENOMEM; |
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173 | goto out; |
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174 | } |
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175 | robj = gobj->driver_private; |
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176 | |||
1179 | serge | 177 | mutex_lock(&rdev->ddev->struct_mutex); |
1126 | serge | 178 | fb = radeon_framebuffer_create(rdev->ddev, &mode_cmd, gobj); |
179 | if (fb == NULL) { |
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180 | DRM_ERROR("failed to allocate fb.\n"); |
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181 | ret = -ENOMEM; |
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182 | goto out_unref; |
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183 | } |
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184 | ret = radeon_object_pin(robj, RADEON_GEM_DOMAIN_VRAM, &fb_gpuaddr); |
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185 | if (ret) { |
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186 | printk(KERN_ERR "failed to pin framebuffer\n"); |
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187 | ret = -ENOMEM; |
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188 | goto out_unref; |
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189 | } |
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190 | |||
1179 | serge | 191 | list_add(&fb->filp_head, &rdev->ddev->mode_config.fb_kernel_list); |
1126 | serge | 192 | |
1179 | serge | 193 | *fb_p = fb; |
1126 | serge | 194 | rfb = to_radeon_framebuffer(fb); |
195 | rdev->fbdev_rfb = rfb; |
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196 | rdev->fbdev_robj = robj; |
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197 | |||
1179 | serge | 198 | info = framebuffer_alloc(sizeof(struct radeon_fb_device)); |
1126 | serge | 199 | if (info == NULL) { |
200 | ret = -ENOMEM; |
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201 | goto out_unref; |
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202 | } |
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1179 | serge | 203 | |
204 | rdev->fbdev_info = info; |
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1126 | serge | 205 | rfbdev = info->par; |
1179 | serge | 206 | rfbdev->helper.funcs = &radeon_fb_helper_funcs; |
207 | rfbdev->helper.dev = dev; |
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208 | ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, 2, |
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209 | RADEONFB_CONN_LIMIT); |
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210 | if (ret) |
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211 | goto out_unref; |
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1126 | serge | 212 | |
213 | // ret = radeon_object_kmap(robj, &fbptr); |
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214 | // if (ret) { |
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215 | // goto out_unref; |
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216 | // } |
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217 | |||
1179 | serge | 218 | |
1126 | serge | 219 | fbptr = (void*)0xFE000000; // LFB_BASE |
220 | |||
1179 | serge | 221 | strcpy(info->fix.id, "radeondrmfb"); |
1126 | serge | 222 | |
1179 | serge | 223 | drm_fb_helper_fill_fix(info, fb->pitch); |
224 | |||
225 | info->flags = FBINFO_DEFAULT; |
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226 | info->fbops = &radeonfb_ops; |
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227 | |||
1126 | serge | 228 | tmp = fb_gpuaddr - rdev->mc.vram_location; |
229 | info->fix.smem_start = rdev->mc.aper_base + tmp; |
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230 | info->fix.smem_len = size; |
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231 | info->screen_base = fbptr; |
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232 | info->screen_size = size; |
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1179 | serge | 233 | |
234 | drm_fb_helper_fill_var(info, fb, fb_width, fb_height); |
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235 | |||
236 | /* setup aperture base/size for vesafb takeover */ |
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237 | info->aperture_base = rdev->ddev->mode_config.fb_base; |
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238 | info->aperture_size = rdev->mc.real_vram_size; |
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239 | |||
1126 | serge | 240 | info->fix.mmio_start = 0; |
241 | info->fix.mmio_len = 0; |
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242 | // info->pixmap.size = 64*1024; |
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243 | // info->pixmap.buf_align = 8; |
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244 | // info->pixmap.access_align = 32; |
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245 | // info->pixmap.flags = FB_PIXMAP_SYSTEM; |
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246 | // info->pixmap.scan_align = 1; |
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247 | if (info->screen_base == NULL) { |
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248 | ret = -ENOSPC; |
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249 | goto out_unref; |
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250 | } |
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251 | DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); |
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252 | DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base); |
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253 | DRM_INFO("size %lu\n", (unsigned long)size); |
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254 | DRM_INFO("fb depth is %d\n", fb->depth); |
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255 | DRM_INFO(" pitch is %d\n", fb->pitch); |
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256 | |||
257 | dbgprintf("fb = %x\n", fb); |
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258 | |||
259 | fb->fbdev = info; |
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260 | rfbdev->rfb = rfb; |
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261 | rfbdev->rdev = rdev; |
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262 | |||
1179 | serge | 263 | mutex_unlock(&rdev->ddev->struct_mutex); |
1126 | serge | 264 | return 0; |
265 | |||
266 | out_unref: |
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267 | if (robj) { |
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268 | // radeon_object_kunmap(robj); |
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269 | } |
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270 | if (fb && ret) { |
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271 | list_del(&fb->filp_head); |
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272 | // drm_gem_object_unreference(gobj); |
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273 | // drm_framebuffer_cleanup(fb); |
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274 | kfree(fb); |
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275 | } |
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276 | // drm_gem_object_unreference(gobj); |
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1179 | serge | 277 | mutex_unlock(&rdev->ddev->struct_mutex); |
1126 | serge | 278 | out: |
279 | return ret; |
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280 | } |
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281 | |||
282 | int radeonfb_probe(struct drm_device *dev) |
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283 | { |
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284 | int ret; |
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1179 | serge | 285 | ret = drm_fb_helper_single_fb_probe(dev, &radeonfb_create); |
1126 | serge | 286 | return ret; |
287 | } |
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288 | EXPORT_SYMBOL(radeonfb_probe); |
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289 | |||
290 | int radeonfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) |
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291 | { |
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292 | struct fb_info *info; |
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293 | struct radeon_framebuffer *rfb = to_radeon_framebuffer(fb); |
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294 | struct radeon_object *robj; |
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295 | |||
296 | if (!fb) { |
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297 | return -EINVAL; |
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298 | } |
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299 | info = fb->fbdev; |
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300 | if (info) { |
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1179 | serge | 301 | struct radeon_fb_device *rfbdev = info->par; |
1126 | serge | 302 | robj = rfb->obj->driver_private; |
303 | // unregister_framebuffer(info); |
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304 | // radeon_object_kunmap(robj); |
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305 | // radeon_object_unpin(robj); |
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306 | // framebuffer_release(info); |
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307 | } |
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308 | |||
309 | printk(KERN_INFO "unregistered panic notifier\n"); |
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1179 | serge | 310 | |
1126 | serge | 311 | return 0; |
312 | } |
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313 | EXPORT_SYMBOL(radeonfb_remove); |
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314 | |||
315 | |||
316 | /** |
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317 | * Allocate a GEM object of the specified size with shmfs backing store |
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318 | */ |
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319 | struct drm_gem_object * |
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320 | drm_gem_object_alloc(struct drm_device *dev, size_t size) |
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321 | { |
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322 | struct drm_gem_object *obj; |
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323 | |||
324 | BUG_ON((size & (PAGE_SIZE - 1)) != 0); |
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325 | |||
326 | obj = kzalloc(sizeof(*obj), GFP_KERNEL); |
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327 | |||
328 | obj->dev = dev; |
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329 | // obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE); |
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330 | // if (IS_ERR(obj->filp)) { |
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331 | // kfree(obj); |
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332 | // return NULL; |
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333 | // } |
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334 | |||
335 | // kref_init(&obj->refcount); |
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336 | // kref_init(&obj->handlecount); |
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337 | obj->size = size; |
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338 | |||
339 | // if (dev->driver->gem_init_object != NULL && |
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340 | // dev->driver->gem_init_object(obj) != 0) { |
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341 | // fput(obj->filp); |
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342 | // kfree(obj); |
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343 | // return NULL; |
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344 | // } |
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345 | // atomic_inc(&dev->object_count); |
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346 | // atomic_add(obj->size, &dev->object_memory); |
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347 | return obj; |
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348 | } |
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349 | |||
350 | |||
351 | int radeon_gem_fb_object_create(struct radeon_device *rdev, int size, |
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352 | int alignment, int initial_domain, |
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353 | bool discardable, bool kernel, |
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354 | bool interruptible, |
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355 | struct drm_gem_object **obj) |
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356 | { |
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357 | struct drm_gem_object *gobj; |
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358 | struct radeon_object *robj; |
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359 | |||
360 | *obj = NULL; |
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361 | gobj = drm_gem_object_alloc(rdev->ddev, size); |
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362 | if (!gobj) { |
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363 | return -ENOMEM; |
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364 | } |
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365 | /* At least align on page size */ |
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366 | if (alignment < PAGE_SIZE) { |
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367 | alignment = PAGE_SIZE; |
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368 | } |
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369 | |||
370 | robj = kzalloc(sizeof(struct radeon_object), GFP_KERNEL); |
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371 | if (!robj) { |
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372 | DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n", |
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373 | size, initial_domain, alignment); |
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374 | // mutex_lock(&rdev->ddev->struct_mutex); |
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375 | // drm_gem_object_unreference(gobj); |
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376 | // mutex_unlock(&rdev->ddev->struct_mutex); |
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377 | return -ENOMEM;; |
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378 | } |
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379 | robj->rdev = rdev; |
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380 | robj->gobj = gobj; |
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381 | INIT_LIST_HEAD(&robj->list); |
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382 | |||
383 | robj->flags = TTM_PL_FLAG_VRAM; |
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384 | |||
385 | struct drm_mm_node *vm_node; |
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386 | |||
387 | vm_node = kzalloc(sizeof(*vm_node),0); |
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388 | |||
389 | vm_node->free = 0; |
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390 | vm_node->size = 0x800000 >> 12; |
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391 | vm_node->start = 0; |
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392 | vm_node->mm = NULL; |
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393 | |||
394 | robj->mm_node = vm_node; |
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395 | |||
396 | robj->vm_addr = ((uint32_t)robj->mm_node->start); |
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397 | |||
398 | gobj->driver_private = robj; |
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399 | *obj = gobj; |
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400 | return 0; |
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401 | } |
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402 | |||
403 | |||
404 | struct fb_info *framebuffer_alloc(size_t size) |
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405 | { |
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406 | #define BYTES_PER_LONG (BITS_PER_LONG/8) |
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407 | #define PADDING (BYTES_PER_LONG - (sizeof(struct fb_info) % BYTES_PER_LONG)) |
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408 | int fb_info_size = sizeof(struct fb_info); |
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409 | struct fb_info *info; |
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410 | char *p; |
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411 | |||
412 | if (size) |
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413 | fb_info_size += PADDING; |
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414 | |||
415 | p = kzalloc(fb_info_size + size, GFP_KERNEL); |
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416 | |||
417 | if (!p) |
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418 | return NULL; |
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419 | |||
420 | info = (struct fb_info *) p; |
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421 | |||
422 | if (size) |
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423 | info->par = p + fb_info_size; |
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424 | |||
425 | return info; |
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426 | #undef PADDING |
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427 | #undef BYTES_PER_LONG |
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428 | } |
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429 | |||
1128 | serge | 430 | static char *manufacturer_name(unsigned char *x) |
431 | { |
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432 | static char name[4]; |
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433 | |||
434 | name[0] = ((x[0] & 0x7C) >> 2) + '@'; |
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435 | name[1] = ((x[0] & 0x03) << 3) + ((x[1] & 0xE0) >> 5) + '@'; |
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436 | name[2] = (x[1] & 0x1F) + '@'; |
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437 | name[3] = 0; |
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438 | |||
439 | return name; |
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440 | } |
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441 | |||
442 | |||
443 | bool set_mode(struct drm_device *dev, int width, int height) |
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444 | { |
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445 | struct drm_connector *connector; |
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446 | |||
1182 | serge | 447 | bool ret = false; |
1128 | serge | 448 | |
449 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) |
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450 | { |
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451 | struct drm_display_mode *mode; |
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452 | |||
453 | struct drm_encoder *encoder; |
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454 | struct drm_crtc *crtc; |
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455 | |||
456 | if( connector->status != connector_status_connected) |
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457 | continue; |
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458 | |||
459 | encoder = connector->encoder; |
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460 | if( encoder == NULL) |
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461 | continue; |
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462 | |||
463 | crtc = encoder->crtc; |
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464 | |||
465 | if(crtc == NULL) |
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466 | continue; |
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467 | |||
1182 | serge | 468 | |
1128 | serge | 469 | list_for_each_entry(mode, &connector->modes, head) |
470 | { |
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1182 | serge | 471 | if (mode->type & DRM_MODE_TYPE_PREFERRED); |
472 | break; |
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473 | }; |
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474 | |||
475 | /* |
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476 | struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); |
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477 | struct radeon_native_mode *native_mode = &radeon_encoder->native_mode; |
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478 | |||
479 | native_mode->panel_xres = mode->hdisplay; |
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480 | native_mode->panel_yres = mode->vdisplay; |
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481 | |||
482 | native_mode->hblank = mode->htotal - mode->hdisplay; |
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483 | native_mode->hoverplus = mode->hsync_start - mode->hdisplay; |
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484 | native_mode->hsync_width = mode->hsync_end - mode->hsync_start; |
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485 | native_mode->vblank = mode->vtotal - mode->vdisplay; |
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486 | native_mode->voverplus = mode->vsync_start - mode->vdisplay; |
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487 | native_mode->vsync_width = mode->vsync_end - mode->vsync_start; |
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488 | native_mode->dotclock = mode->clock; |
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489 | native_mode->flags = mode->flags; |
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490 | */ |
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491 | list_for_each_entry(mode, &connector->modes, head) |
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492 | { |
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1128 | serge | 493 | char *con_name, *enc_name; |
494 | |||
495 | struct drm_framebuffer *fb; |
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496 | |||
497 | if (drm_mode_width(mode) == width && |
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498 | drm_mode_height(mode) == height) |
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499 | { |
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500 | char con_edid[128]; |
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501 | |||
502 | fb = list_first_entry(&dev->mode_config.fb_kernel_list, |
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503 | struct drm_framebuffer, filp_head); |
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504 | |||
505 | memcpy(con_edid, connector->edid_blob_ptr->data, 128); |
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506 | |||
507 | dbgprintf("Manufacturer: %s Model %x Serial Number %u\n", |
||
508 | manufacturer_name(con_edid + 0x08), |
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509 | (unsigned short)(con_edid[0x0A] + (con_edid[0x0B] << 8)), |
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510 | (unsigned int)(con_edid[0x0C] + (con_edid[0x0D] << 8) |
||
511 | + (con_edid[0x0E] << 16) + (con_edid[0x0F] << 24))); |
||
512 | |||
513 | |||
514 | con_name = drm_get_connector_name(connector); |
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515 | enc_name = drm_get_encoder_name(encoder); |
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516 | |||
517 | dbgprintf("set mode %d %d connector %s encoder %s\n", |
||
518 | width, height, con_name, enc_name); |
||
519 | |||
520 | fb->width = width; |
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521 | fb->height = height; |
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1179 | serge | 522 | fb->pitch = radeon_align_pitch(dev->dev_private, width, 32, false) * ((32 + 1) / 8); |
1128 | serge | 523 | |
524 | crtc->fb = fb; |
||
525 | |||
526 | ret = drm_crtc_helper_set_mode(crtc, mode, 0, 0, fb); |
||
527 | |||
1182 | serge | 528 | sysSetScreen(fb->width, fb->height, fb->pitch); |
1128 | serge | 529 | |
530 | if (ret == true) |
||
531 | { |
||
1182 | serge | 532 | dbgprintf("new mode %d %d pitch %d\n",fb->width, fb->height, fb->pitch); |
1128 | serge | 533 | } |
534 | else |
||
535 | { |
||
536 | DRM_ERROR("failed to set mode %d_%d on crtc %p\n", |
||
1182 | serge | 537 | fb->width, fb->height, crtc); |
1128 | serge | 538 | }; |
539 | }; |
||
540 | } |
||
541 | }; |
||
542 | |||
1182 | serge | 543 | return ret; |
1128 | serge | 544 | };><>><>><>><>><>> |
545 |