diff options
| author | Aurabindo Pillai <aurabindo.pillai@amd.com> | 2021-12-07 20:14:40 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-14 00:32:34 +0300 |
| commit | 123202744955e62470174fc3ba666a4d98062ea6 (patch) | |
| tree | eb08d20c3e31d4b4e1a4112bb0688f0df4d6b21d /drivers/gpu/drm/amd/display | |
| parent | 655ff3538eee3a3dca7103f97de883e033bd1011 (diff) | |
| download | linux-123202744955e62470174fc3ba666a4d98062ea6.tar.xz | |
drm/amd/display: Add feature flags to disable LTTPR
[Why]
Allow for disabling non transparent mode of LTTPR for running tests.
[How]
Add a feature flag and set them during init sequence. The flags are
already being used in DC.
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 |
1 files changed, 7 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 151f3559e0ae..c38d6da7befb 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1453,6 +1453,13 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) if (amdgpu_dc_feature_mask & DC_EDP_NO_POWER_SEQUENCING) init_data.flags.edp_no_power_sequencing = true; +#ifdef CONFIG_DRM_AMD_DC_DCN + if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP1_4A) + init_data.flags.allow_lttpr_non_transparent_mode.bits.DP1_4A = true; + if (amdgpu_dc_feature_mask & DC_DISABLE_LTTPR_DP2_0) + init_data.flags.allow_lttpr_non_transparent_mode.bits.DP2_0 = true; +#endif + init_data.flags.power_down_display_on_boot = true; if (check_seamless_boot_capability(adev)) { |