From c8c1a1d2ef040d2661fc9c7f0b32aec5b1058ae3 Mon Sep 17 00:00:00 2001 From: Boyuan Zhang Date: Fri, 1 Jun 2018 12:30:17 -0400 Subject: drm/amdgpu: define and add extra dword for jpeg ring MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Define extra dword for jpeg ring. Jpeg ring will allocate extra dword to store the patch commands for fixing the known issue. v2: dropping extra_dw for rings other than jpeg. Signed-off-by: Boyuan Zhang Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index c6850b629d0e..19e45a3953e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -304,7 +304,7 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, 0xffffffffffffffff : ring->buf_mask; /* Allocate ring buffer */ if (ring->ring_obj == NULL) { - r = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, + r = amdgpu_bo_create_kernel(adev, ring->ring_size + ring->funcs->extra_dw, PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, &ring->ring_obj, &ring->gpu_addr, -- cgit v1.2.3 From 9d46f32bdd3e9d4bf435c5ae50f72fb475bf0620 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 16 Jul 2018 13:47:34 +0200 Subject: drm/amdgpu: allow for more flexible priority handling MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allow to call amdgpu_ring_priority_get() after pushing the ring to the scheduler. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c index 19e45a3953e0..93794a85f83d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -211,7 +211,8 @@ void amdgpu_ring_priority_get(struct amdgpu_ring *ring, if (!ring->funcs->set_priority) return; - atomic_inc(&ring->num_jobs[priority]); + if (atomic_inc_return(&ring->num_jobs[priority]) <= 0) + return; mutex_lock(&ring->priority_mutex); if (priority <= ring->priority) -- cgit v1.2.3