diff options
| author | Ashley Thomas <Ashley.Thomas2@amd.com> | 2020-10-01 00:16:05 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-10-26 13:27:52 -0400 |
| commit | 9248681f68b725d2647ca7dbae281c9b34977519 (patch) | |
| tree | 7e723507977e32a4438b70cfea2cf230767d933d /drivers/gpu/drm/amd/display/include | |
| parent | 2e7b43e629100b4072fac5eef53bd28235e59aa3 (diff) | |
drm/amd/display: Source minimum HBlank support
[Why]
Some sink devices wish to have access to the minimum
HBlank supported by the ASIC.
[How]
Make the ASIC minimum HBlank available in Source
Device information address 0x340.
Signed-off-by: Ashley Thomas <Ashley.Thomas2@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/include')
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/dpcd_defs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h b/drivers/gpu/drm/amd/display/include/dpcd_defs.h index 3d29646c7cb43..aec7389aff370 100644 --- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h +++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h @@ -156,5 +156,6 @@ enum dpcd_psr_sink_states { #define DP_SOURCE_BACKLIGHT_CURRENT_PEAK 0x326 #define DP_SOURCE_BACKLIGHT_CONTROL 0x32E #define DP_SOURCE_BACKLIGHT_ENABLE 0x32F +#define DP_SOURCE_MINIMUM_HBLANK_SUPPORTED 0x340 #endif /* __DAL_DPCD_DEFS_H__ */ |