On Mon, Sep 10, 2018 at 4:34 PM James Zhu <[email protected]> wrote: > > Signed-off-by: James Zhu <[email protected]>
Acked-by: Alex Deucher <[email protected]> > > 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..f5d6025 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; \ > } \ > -- > 2.7.4 > > _______________________________________________ > amd-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
