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drm/amd: Add debug option to disable subvp

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Some monitors flicker when subvp is enabled which maybe related to
an uncommon timing they use. To isolate such issues, add a debug
option to help isolate this the issue for debugging.

Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aurabindo Pillai
2025-01-13 17:05:16 -05:00
committed by Alex Deucher
parent 36a21f2686
commit 9d63fbf751
2 changed files with 8 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
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@@ -2034,6 +2034,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
if (amdgpu_dc_debug_mask & DC_FORCE_SUBVP_MCLK_SWITCH)
adev->dm.dc->debug.force_subvp_mclk_switch = true;
if (amdgpu_dc_debug_mask & DC_DISABLE_SUBVP)
adev->dm.dc->debug.force_disable_subvp = true;
if (amdgpu_dc_debug_mask & DC_ENABLE_DML2) {
adev->dm.dc->debug.using_dml2 = true;
adev->dm.dc->debug.using_dml21 = true;