diff options
| author | Jack Chang <jack.chang@amd.com> | 2025-08-20 16:59:08 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-11-18 10:50:13 -0500 |
| commit | c798836bb7b60afda892173dddda466752f321c7 (patch) | |
| tree | 6470197e05bd1f2384ab880ec6f37e7da3b474be /drivers/gpu/drm/amd/display/dc/link/protocols | |
| parent | 2e6c79e4732437f4a8e8ed37ebcb2bf843734cb2 (diff) | |
drm/amd/display: Get panel replay capability from DPCD
[Why&How]
Read Panel replay caps from DPCD when retrieving link capability
Reviewed-by: Robin Chen <robin.chen@amd.com>
Signed-off-by: Jack Chang <jack.chang@amd.com>
Signed-off-by: Leon Huang <Leon.Huang1@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/protocols')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c index 750147c52c8a..168c59bf1f16 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c @@ -2091,6 +2091,11 @@ static bool retrieve_link_cap(struct dc_link *link) link->dpcd_caps.max_uncompressed_pixel_rate_cap.raw, sizeof(link->dpcd_caps.max_uncompressed_pixel_rate_cap.raw)); + core_link_read_dpcd(link, + DP_PANEL_REPLAY_CAPABILITY_SUPPORT, + &link->dpcd_caps.pr_caps_supported.raw, + sizeof(link->dpcd_caps.pr_caps_supported.raw)); + /* Read DP tunneling information. */ status = dpcd_get_tunneling_device_data(link); if (status != DC_OK) |