diff options
| author | Harry Wentland <harry.wentland@amd.com> | 2020-05-01 14:23:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-05-21 12:37:19 -0400 |
| commit | 8a791dabea181607f27aacb89c5e75a2eaaf0586 (patch) | |
| tree | 5df517e63209586724831b78f2686f81105bdaa7 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | |
| parent | 9f76f7e87871230698901f8e2b459366f36da49a (diff) | |
drm/amd/display: Add DC Debug mask to disable features for bringup
[Why]
At bringup we want to be able to disable various power features.
[How]
These features are already exposed as dc_debug_options and exercised
on other OSes. Create a new dc_debug_mask module parameter and expose
relevant bits, in particular
* DC_DISABLE_PIPE_SPLIT
* DC_DISABLE_STUTTER
* DC_DISABLE_DSC
* DC_DISABLE_CLOCK_GATING
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@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 | 14 |
1 files changed, 14 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 48f2b3710e7c..356e2db2dc10 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -918,6 +918,20 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) goto error; } + if (amdgpu_dc_debug_mask & DC_DISABLE_PIPE_SPLIT) { + adev->dm.dc->debug.force_single_disp_pipe_split = false; + adev->dm.dc->debug.pipe_split_policy = MPC_SPLIT_AVOID; + } + + if (amdgpu_dc_debug_mask & DC_DISABLE_STUTTER) + adev->dm.dc->debug.disable_stutter = true; + + if (amdgpu_dc_debug_mask & DC_DISABLE_DSC) + adev->dm.dc->debug.disable_dsc = true; + + if (amdgpu_dc_debug_mask & DC_DISABLE_CLOCK_GATING) + adev->dm.dc->debug.disable_clock_gate = true; + r = dm_dmub_hw_init(adev); if (r) { DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r); |