diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/include/amd_shared.h | 7 |
4 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 7975f8e157df..4922a2a6abb2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -173,6 +173,7 @@ extern int amdgpu_gpu_recovery; extern int amdgpu_emu_mode; extern uint amdgpu_smu_memory_pool_size; extern uint amdgpu_dc_feature_mask; +extern uint amdgpu_dc_debug_mask; extern uint amdgpu_dm_abm_level; extern struct amdgpu_mgpu_info mgpu_info; extern int amdgpu_ras_enable; 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. 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); diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index d655a76bedc6..92126c54cb1c 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -150,6 +150,13 @@ enum DC_FEATURE_MASK { DC_PSR_MASK = 0x8, }; +enum DC_DEBUG_MASK { + DC_DISABLE_PIPE_SPLIT = 0x1, + DC_DISABLE_STUTTER = 0x2, + DC_DISABLE_DSC = 0x4, + DC_DISABLE_CLOCK_GATING = 0x8 +}; + enum amd_dpm_forced_level; /** * struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks |