drm/amdgpu: Add warning message for INT SW fallback.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index da36731460b56c93e16f12461b80f6fb7b589e88..1ae25835cad15be7e4660776c50dcdf2bba53810 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -274,6 +274,7 @@ static void amdgpu_fence_fallback(struct timer_list *t)
        struct amdgpu_ring *ring = from_timer(ring, t,
                                              fence_drv.fallback_timer);
 
+       DRM_INFO("Fallback to SW interrupt on ring %s due to HW interrupt time out", ring->name);
        amdgpu_fence_process(ring);
 }