Commit 2be7f77f authored by Aurabindo Pillai's avatar Aurabindo Pillai Committed by Alex Deucher
Browse files

drm/amd/display: add debug print for DCC validation failure 



[Why&How]
Print a debug message when dcc validation fails in the display driver.
Most DCC enablement related errors are from userspace. Adding a debug
print in case of a failure from display driver will aid quicker triage.

Reviewed-by: default avatarHarry Wentland <Harry.Wentland@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 356789e8

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+3 −3
Original line number Diff line number Diff line
@@ -4747,7 +4747,7 @@ fill_gfx9_plane_attributes_from_modifiers(struct amdgpu_device *adev, 
					  const bool force_disable_dcc)

{

	const uint64_t modifier = afb->base.modifier;

	int ret;

	int ret = 0;



	fill_gfx9_tiling_info_from_modifier(adev, tiling_info, modifier);

	tiling_info->gfx9.swizzle = modifier_gfx9_swizzle_mode(modifier);
@@ -4765,9 +4765,9 @@ fill_gfx9_plane_attributes_from_modifiers(struct amdgpu_device *adev, 


	ret = validate_dcc(adev, format, rotation, tiling_info, dcc, address, plane_size);

	if (ret)

		return ret;

		drm_dbg_kms(adev_to_drm(adev), "validate_dcc: returned error: %d\n", ret);



	return 0;

	return ret;

}



static int