From 3af81440a9b02e2c6e244539ee567063c3d62292 Mon Sep 17 00:00:00 2001 From: Christian König Date: Wed, 31 Jan 2018 16:03:19 +0100 Subject: drm/amdgpu: cache the fence to wait for a VMID MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Beneficial when a lot of processes are waiting for VMIDs. 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, 3 insertions(+) (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 13044e66dcaf..e223b0f6417b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -360,6 +360,9 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring) amdgpu_debugfs_ring_fini(ring); + dma_fence_put(ring->vmid_wait); + ring->vmid_wait = NULL; + ring->adev->rings[ring->idx] = NULL; } -- cgit v1.2.3 From 9c5c71bbed4132a3a5f200064914db768c88302a Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Thu, 1 Mar 2018 09:39:57 -0500 Subject: drm/amd/amdgpu: Mask rptr as well in ring debugfs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The read/write pointers on sdma4 devices increment beyond the ring size and should be masked. Tested on my Ryzen 2400G. Signed-off-by: Tom St Denis Reviewed-by: Alex Deucher 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 e223b0f6417b..d5f526f38e50 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -484,7 +484,7 @@ static ssize_t amdgpu_debugfs_ring_read(struct file *f, char __user *buf, result = 0; if (*pos < 12) { - early[0] = amdgpu_ring_get_rptr(ring); + early[0] = amdgpu_ring_get_rptr(ring) & ring->buf_mask; early[1] = amdgpu_ring_get_wptr(ring) & ring->buf_mask; early[2] = ring->wptr & ring->buf_mask; for (i = *pos / 4; i < 3 && size; i++) { -- cgit v1.2.3