diff options
| author | Chenyu Chen <chen-yu.chen@amd.com> | 2026-03-31 06:14:26 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-04-03 20:45:49 +0300 |
| commit | 118362a96286367b04b31cebb25c6ca3601644a4 (patch) | |
| tree | 68ec14d053ee07bda079b8bef0c1412a6b37c868 /include | |
| parent | 57ce498faa1e4d358bf44b5df575874c22922786 (diff) | |
| download | linux-118362a96286367b04b31cebb25c6ca3601644a4.tar.xz | |
drm/edid: Parse AMD Vendor-Specific Data Block
Parse the AMD VSDB v3 from CTA extension blocks and store the result
in struct drm_amd_vsdb_info, a new field of drm_display_info. This
includes replay mode, panel type, and luminance ranges.
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/drm_connector.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index af8b92d2d5b7..f83f28cae207 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -694,6 +694,39 @@ enum drm_bus_flags { }; /** + * struct drm_amd_vsdb_info - AMD-specific VSDB information + * + * This structure holds information parsed from the AMD Vendor-Specific Data + * Block (VSDB) version 3. + */ +struct drm_amd_vsdb_info { + /** + * @version: Version of the Vendor-Specific Data Block (VSDB) + */ + u8 version; + + /** + * @replay_mode: Panel Replay supported + */ + bool replay_mode; + + /** + * @panel_type: Panel technology type + */ + u8 panel_type; + + /** + * @luminance_range1: Luminance for max back light + */ + struct drm_luminance_range_info luminance_range1; + + /** + * @luminance_range2: Luminance for min back light + */ + struct drm_luminance_range_info luminance_range2; +}; + +/** * struct drm_display_info - runtime data about the connected sink * * Describes a given display (e.g. CRT or flat panel) and its limitations. For @@ -883,6 +916,11 @@ struct drm_display_info { * Defaults to CEC_PHYS_ADDR_INVALID (0xffff). */ u16 source_physical_address; + + /** + * @amd_vsdb: AMD-specific VSDB information. + */ + struct drm_amd_vsdb_info amd_vsdb; }; int drm_display_info_set_bus_formats(struct drm_display_info *info, |