diff options
| author | Leo Li <sunpeng.li@amd.com> | 2022-07-06 14:48:52 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-07-25 09:31:03 -0400 |
| commit | 792a0cdde34d417bc2c8266d8015c5fd58d44a0d (patch) | |
| tree | 1112584114853d16217339a29882b89b7a5bd0d8 /drivers/gpu | |
| parent | f7bacd97af853a9bba9bb8d1baa12f997e60122f (diff) | |
| download | linux-792a0cdde34d417bc2c8266d8015c5fd58d44a0d.tar.bz2 | |
drm/amd/display: Add visualconfirm module parameter
[Why]
Being able to configure visual confirm at boot or in cmdline is helpful
when debugging.
[How]
Add a module parameter to configure DC visual confirm, which works the
same way as the equivalent debugfs entry.
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 |
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 3aa8ae1bc35a..b075845a5328 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -197,6 +197,7 @@ extern uint amdgpu_smu_memory_pool_size; extern int amdgpu_smu_pptable_id; extern uint amdgpu_dc_feature_mask; extern uint amdgpu_dc_debug_mask; +extern uint amdgpu_dc_visual_confirm; extern uint amdgpu_dm_abm_level; extern int amdgpu_backlight; extern struct amdgpu_mgpu_info mgpu_info; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 30f8c46f16b4..429fcdf28836 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -168,6 +168,7 @@ int amdgpu_smu_pptable_id = -1; */ uint amdgpu_dc_feature_mask = 2; uint amdgpu_dc_debug_mask; +uint amdgpu_dc_visual_confirm; int amdgpu_async_gfx_ring = 1; int amdgpu_mcbp; int amdgpu_discovery = -1; @@ -828,6 +829,9 @@ module_param_named(dcfeaturemask, amdgpu_dc_feature_mask, uint, 0444); MODULE_PARM_DESC(dcdebugmask, "all debug options disabled (default))"); module_param_named(dcdebugmask, amdgpu_dc_debug_mask, uint, 0444); +MODULE_PARM_DESC(visualconfirm, "Visual confirm (0 = off (default), 1 = MPO, 5 = PSR)"); +module_param_named(visualconfirm, amdgpu_dc_visual_confirm, uint, 0444); + /** * DOC: abmlevel (uint) * Override the default ABM (Adaptive Backlight Management) level used for DC 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 a9f9c929dca6..22a3f8972705 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1538,6 +1538,8 @@ 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; + adev->dm.dc->debug.visual_confirm = amdgpu_dc_visual_confirm; + r = dm_dmub_hw_init(adev); if (r) { DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r); |