From 52e211c1f04f7544bf3d3cf5ed3939708d5988d2 Mon Sep 17 00:00:00 2001 From: James Zhu Date: Mon, 10 Sep 2018 12:53:25 -0400 Subject: [PATCH] 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 Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- 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 0942f492d2e1..f5d602540673 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(%d) [%s] failed to reach value 0x%08x != 0x%08x\n", \ + inst, #reg, expected_value, (tmp_ & (mask))); \ ret = -ETIMEDOUT; \ break; \ } \ -- 2.30.2