| 184,9 → 184,9 |
|---|
| |
| bad: |
| if (raw_edid) { |
| DRM_ERROR("Raw EDID:\n"); |
| printk(KERN_ERR "Raw EDID:\n"); |
| // print_hex_dump_bytes(KERN_ERR, DUMP_PREFIX_NONE, raw_edid, EDID_LENGTH); |
| // printk("\n"); |
| printk(KERN_ERR "\n"); |
| } |
| return 0; |
| } |
| 258,6 → 258,17 |
|---|
| return ret == 2 ? 0 : -1; |
| } |
| |
| static bool drm_edid_is_zero(u8 *in_edid, int length) |
| { |
| int i; |
| u32 *raw_edid = (u32 *)in_edid; |
| |
| for (i = 0; i < length / 4; i++) |
| if (*(raw_edid + i) != 0) |
| return false; |
| return true; |
| } |
| |
| static u8 * |
| drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter) |
| { |
| 274,7 → 285,11 |
|---|
| goto out; |
| if (drm_edid_block_valid(block)) |
| break; |
| if (i == 0 && drm_edid_is_zero(block, EDID_LENGTH)) { |
| connector->null_edid_counter++; |
| goto carp; |
| } |
| } |
| if (i == 4) |
| goto carp; |
| |