Signed-off-by: James Zhu <james....@amd.com>
Add error message when register failed to reach expected value, It will
help discover potential issue.
---
drivers/gpu/drm/amd/amdgpu/soc15_common.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15_common.h
b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
index 0942f49..fe2af1b 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15_common.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
@@ -56,6 +56,8 @@
tmp_ =
RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg); \
loop--; \
if (!loop) { \
+ DRM_ERROR("Register [%s](%d) failed to reach
value 0x%08x != 0x%08x\n", \
+ inst, #reg,
expected_value, (tmp_ & (mask))); \
ret = -ETIMEDOUT; \
break; \
} \
--
2.7.4
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