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| author | Aurabindo Pillai <aurabindo.pillai@amd.com> | 2021-12-07 12:14:40 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-13 16:32:34 -0500 |
| commit | 123202744955e62470174fc3ba666a4d98062ea6 (patch) | |
| tree | eb08d20c3e31d4b4e1a4112bb0688f0df4d6b21d /drivers | |
| parent | 655ff3538eee3a3dca7103f97de883e033bd1011 (diff) | |
| download | linux-123202744955e62470174fc3ba666a4d98062ea6.tar.bz2 | |
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')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/amd_shared.h | 2 |
2 files changed, 9 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)) { diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 4b9e68a79f06..f57a1478f0fe 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -231,6 +231,8 @@ enum DC_FEATURE_MASK { DC_DISABLE_FRACTIONAL_PWM_MASK = (1 << 2), //0x4, disabled by default DC_PSR_MASK = (1 << 3), //0x8, disabled by default for dcn < 3.1 DC_EDP_NO_POWER_SEQUENCING = (1 << 4), //0x10, disabled by default + DC_DISABLE_LTTPR_DP1_4A = (1 << 5), //0x20, disabled by default + DC_DISABLE_LTTPR_DP2_0 = (1 << 6), //0x40, disabled by default }; enum DC_DEBUG_MASK { |