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drm/amd/display: Fix refresh rate issue on Club 3D

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Recently we introduced a patch for fixing an MST issue, but it caused a
regression on Club 3D since we could not set a refresh rate higher than
60Hz. This commit fixes this issue by adding a proper check after
validating the stream.

Fixes: f04d275d94 ("drm/amd/display: add mst port output bw check")
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rodrigo Siqueira 2022-06-16 16:48:22 -04:00 • committed by Alex Deucher
parent f64f3a7283
commit e9a7d236ea
1 changed files with 2 additions and 4 deletions
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6
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@ -7214,12 +7214,10 @@ create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
break;
}
if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
dc_result = dc_validate_stream(adev->dm.dc, stream);
if (dc_result == DC_OK && stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
dc_result = dm_dp_mst_is_port_support_mode(aconnector, stream);
if (dc_result == DC_OK)
dc_result = dc_validate_stream(adev->dm.dc, stream);
if (dc_result != DC_OK) {
DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d (%s)\n",
drm_mode->hdisplay,