diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/ddc_service_types.h | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index c5f5d25035d2..10f990eefe7d 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -5822,6 +5822,10 @@ void detect_edp_sink_caps(struct dc_link *link) core_link_read_dpcd(link, DP_PSR_SUPPORT, &link->dpcd_caps.psr_info.psr_version, sizeof(link->dpcd_caps.psr_info.psr_version)); + if (link->dpcd_caps.sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) + core_link_read_dpcd(link, DP_FORCE_PSRSU_CAPABILITY, + &link->dpcd_caps.psr_info.force_psrsu_cap, + sizeof(link->dpcd_caps.psr_info.force_psrsu_cap)); core_link_read_dpcd(link, DP_PSR_CAPS, &link->dpcd_caps.psr_info.psr_dpcd_caps.raw, sizeof(link->dpcd_caps.psr_info.psr_dpcd_caps.raw)); diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h index f883d87791fe..73b9e0a87e54 100644 --- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h +++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h @@ -39,6 +39,8 @@ #define DP_BRANCH_HW_REV_20 0x20 #define DP_DEVICE_ID_38EC11 0x38EC11 +#define DP_FORCE_PSRSU_CAPABILITY 0x40F + enum ddc_result { DDC_RESULT_UNKNOWN = 0, DDC_RESULT_SUCESSFULL, |