Only print the warning if there was actually some fence processed from the SW fallback timer. v2: Add return value to amdgpu_fence_fallback to let amdgpu_fence_fallback know fences were actually processed and then print the warning. Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c | 15 ++++++++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 2 +- 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 4e6e9c9..a23998b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -216,11 +216,14 @@ static void amdgpu_fence_schedule_fallback(struct amdgpu_ring *ring) * Checks the current fence value and calculates the last * signalled fence value. Wakes the fence queue if the * sequence number has increased. + * + * Returns true if fence was processed */ -void amdgpu_fence_process(struct amdgpu_ring *ring) +bool amdgpu_fence_process(struct amdgpu_ring *ring) { struct amdgpu_fence_driver *drv = &ring->fence_drv; uint32_t seq, last_seq; + struct dma_fence *fence = NULL; int r; do { @@ -234,13 +237,13 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) amdgpu_fence_schedule_fallback(ring); if (unlikely(seq == last_seq)) - return; + return false; last_seq &= drv->num_fences_mask; seq &= drv->num_fences_mask; do { - struct dma_fence *fence, **ptr; + struct dma_fence **ptr; ++last_seq; last_seq &= drv->num_fences_mask; @@ -261,6 +264,8 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) dma_fence_put(fence); } while (last_seq != seq); + + return fence != NULL; } /** @@ -275,8 +280,8 @@ static void amdgpu_fence_fallback(struct timer_list *t) struct amdgpu_ring *ring = from_timer(ring, t, fence_drv.fallback_timer); - DRM_WARN("Fence fallback timer expired on ring %s\n", ring->name); - amdgpu_fence_process(ring); + if (amdgpu_fence_process(ring)) + DRM_WARN("Fence fallback timer expired on ring %s\n", ring->name); } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index 9cc2399..4caa301 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -97,7 +97,7 @@ void amdgpu_fence_driver_resume(struct amdgpu_device *adev); int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence, unsigned flags); int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s); -void amdgpu_fence_process(struct amdgpu_ring *ring); +bool amdgpu_fence_process(struct amdgpu_ring *ring); int amdgpu_fence_wait_empty(struct amdgpu_ring *ring); signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring, uint32_t wait_seq, -- 2.7.4 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx