Commit 52e211c1 authored Sep 10, 2018 by James Zhu Committed by Alex Deucher Sep 13, 2018

drm/amdgpu:Add error message when register failed to reach expected value



Add error message when register failed to reach expected value, It will
help discover potential issue.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent 8901a65f

drivers/gpu/drm/amd/amdgpu/soc15_common.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -56,6 +56,8 @@
		tmp_ = RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
		loop--; \
		if (!loop) { \
		DRM_ERROR("Register(%d) [%s] failed to reach value 0x%08x != 0x%08x\n", \
		inst, #reg, expected_value, (tmp_ & (mask))); \
		ret = -ETIMEDOUT; \
		break; \
		} \

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