diff options
| author | Fangzhi Zuo <Jerry.Zuo@amd.com> | 2023-01-16 16:29:26 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-01-31 14:01:07 -0500 |
| commit | e3834491b92a10d97f0cc0029e276d1938469bfe (patch) | |
| tree | fd7d4a61152744d5e1b6331905f359913fc4a339 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | 918d5166439078364453f2eb5b4d8e75095a510e (diff) | |
| download | lwn-e3834491b92a10d97f0cc0029e276d1938469bfe.tar.gz lwn-e3834491b92a10d97f0cc0029e276d1938469bfe.zip | |
drm/amd/display: Add Debug Log for MST and PCON
Add log for MST/PCON specific use case:
1. If DP1.2 hub where gives reduced link bw and no dsc support.
2. If less than 4-lane configuration where gives reduced bw.
3. If FRL PCON enabled for asic.
4. Track MST sink count.
Reviewed-by: Hersen Wu <Hersenxs.Wu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 9846bd6e0456..ffbbd50a61d1 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1622,6 +1622,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) /* TODO: Remove after DP2 receiver gets proper support of Cable ID feature */ adev->dm.dc->debug.ignore_cable_id = true; + if (adev->dm.dc->caps.dp_hdmi21_pcon_support) + DRM_INFO("DP-HDMI FRL PCON supported\n"); + r = dm_dmub_hw_init(adev); if (r) { DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r); |