| 128,6 → 128,23 |
|---|
| }; |
| |
| /* |
| * Sanity check the header of the base EDID block. Return 8 if the header |
| * is perfect, down to 0 if it's totally wrong. |
| */ |
| int drm_edid_header_is_valid(const u8 *raw_edid) |
| { |
| int i, score = 0; |
| |
| for (i = 0; i < sizeof(edid_header); i++) |
| if (raw_edid[i] == edid_header[i]) |
| score++; |
| |
| return score; |
| } |
| EXPORT_SYMBOL(drm_edid_header_is_valid); |
| |
| |
| /* |
| * Sanity check the EDID block (base or extension). Return 0 if the block |
| * doesn't check out, or 1 if it's valid. |
| */ |
| 139,12 → 156,7 |
|---|
| struct edid *edid = (struct edid *)raw_edid; |
| |
| if (raw_edid[0] == 0x00) { |
| int score = 0; |
| |
| for (i = 0; i < sizeof(edid_header); i++) |
| if (raw_edid[i] == edid_header[i]) |
| score++; |
| |
| int score = drm_edid_header_is_valid(raw_edid); |
| if (score == 8) ; |
| else if (score >= 6) { |
| DRM_DEBUG("Fixing EDID header, your hardware may be failing\n"); |
| 186,7 → 198,6 |
|---|
| if (raw_edid) { |
| printk(KERN_ERR "Raw EDID:\n"); |
| // print_hex_dump_bytes(KERN_ERR, DUMP_PREFIX_NONE, raw_edid, EDID_LENGTH); |
| printk(KERN_ERR "\n"); |
| } |
| return 0; |
| } |
| 1449,6 → 1460,8 |
|---|
| static void drm_add_display_info(struct edid *edid, |
| struct drm_display_info *info) |
| { |
| u8 *edid_ext; |
| |
| info->width_mm = edid->width_cm * 10; |
| info->height_mm = edid->height_cm * 10; |
| |
| 1493,6 → 1506,13 |
|---|
| info->color_formats = DRM_COLOR_FORMAT_YCRCB444; |
| if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB422) |
| info->color_formats = DRM_COLOR_FORMAT_YCRCB422; |
| |
| /* Get data from CEA blocks if present */ |
| edid_ext = drm_find_cea_extension(edid); |
| if (!edid_ext) |
| return; |
| |
| info->cea_rev = edid_ext[1]; |
| } |
| |
| /** |