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/amdgpu/amdgpu_drv.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/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index a0e5b54b6e47..126e74758a34 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -140,6 +140,7 @@ int amdgpu_emu_mode = 0; uint amdgpu_smu_memory_pool_size = 0; /* FBC (bit 0) disabled by default*/ uint amdgpu_dc_feature_mask = 0; +uint amdgpu_dc_debug_mask = 0; int amdgpu_async_gfx_ring = 1; int amdgpu_mcbp = 0; int amdgpu_discovery = -1; @@ -715,6 +716,13 @@ MODULE_PARM_DESC(dcfeaturemask, "all stable DC features enabled (default))"); module_param_named(dcfeaturemask, amdgpu_dc_feature_mask, uint, 0444); /** + * DOC: dcdebugmask (uint) + * Override display features enabled. See enum DC_DEBUG_MASK in drivers/gpu/drm/amd/include/amd_shared.h. + */ +MODULE_PARM_DESC(dcdebugmask, "all debug options disabled (default))"); +module_param_named(dcdebugmask, amdgpu_dc_debug_mask, uint, 0444); + +/** * DOC: abmlevel (uint) * Override the default ABM (Adaptive Backlight Management) level used for DC * enabled hardware. Requires DMCU to be supported and loaded. |