From: Chunming Zhou Date: Tue, 21 Jul 2015 09:43:41 +0000 (+0800) Subject: drm/amdgpu: add sched isr to fence process X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e0d8f3c34e54b7f7563360131e89be0d9405d436;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/amdgpu: add sched isr to fence process Signed-off-by: Chunming Zhou Reviewed-by: Jammy Zhou --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index be43ae412ae0..1580d8d7a3bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -346,8 +346,24 @@ void amdgpu_fence_process(struct amdgpu_ring *ring) } } while (atomic64_xchg(&ring->fence_drv.last_seq, seq) > seq); - if (wake) + if (wake) { + if (amdgpu_enable_scheduler) { + uint64_t handled_seq = + amd_sched_get_handled_seq(ring->scheduler); + uint64_t latest_seq = + atomic64_read(&ring->fence_drv.last_seq); + if (handled_seq == latest_seq) { + DRM_ERROR("ring %d, EOP without seq update (lastest_seq=%llu)\n", + ring->idx, latest_seq); + return; + } + do { + amd_sched_isr(ring->scheduler); + } while (amd_sched_get_handled_seq(ring->scheduler) < latest_seq); + } + wake_up_all(&ring->adev->fence_queue); + } } /**