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author | xinhui pan <xinhui.pan@amd.com> | 2021-09-10 07:56:30 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-09-14 15:59:58 -0400 |
commit | cb9038aa8a4e9f4535165602fd39f90c0892bc1b (patch) | |
tree | a5a7946f2aeadeada7f7a6ca5adeedf13a4eaa5a /drivers | |
parent | 68331d7cf3a9cd0ddfb7463798a209b1e28ac4bf (diff) | |
download | linux-stable-cb9038aa8a4e9f4535165602fd39f90c0892bc1b.tar.gz linux-stable-cb9038aa8a4e9f4535165602fd39f90c0892bc1b.tar.bz2 linux-stable-cb9038aa8a4e9f4535165602fd39f90c0892bc1b.zip |
drm/amdgpu: VCE avoid memory allocation during IB test
alloc extra msg from direct IB pool.
Signed-off-by: xinhui pan <xinhui.pan@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c index e9fdf49d69e8..caa4d3420e00 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c @@ -82,7 +82,6 @@ MODULE_FIRMWARE(FIRMWARE_VEGA20); static void amdgpu_vce_idle_work_handler(struct work_struct *work); static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, - struct amdgpu_bo *bo, struct dma_fence **fence); static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle, bool direct, struct dma_fence **fence); @@ -441,12 +440,12 @@ void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp) * Open up a stream for HW test */ static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, - struct amdgpu_bo *bo, struct dma_fence **fence) { const unsigned ib_size_dw = 1024; struct amdgpu_job *job; struct amdgpu_ib *ib; + struct amdgpu_ib ib_msg; struct dma_fence *f = NULL; uint64_t addr; int i, r; @@ -456,9 +455,17 @@ static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, if (r) return r; - ib = &job->ibs[0]; + memset(&ib_msg, 0, sizeof(ib_msg)); + /* only one gpu page is needed, alloc +1 page to make addr aligned. */ + r = amdgpu_ib_get(ring->adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2, + AMDGPU_IB_POOL_DIRECT, + &ib_msg); + if (r) + goto err; - addr = amdgpu_bo_gpu_offset(bo); + ib = &job->ibs[0]; + /* let addr point to page boundary */ + addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg.gpu_addr); /* stitch together an VCE create msg */ ib->length_dw = 0; @@ -498,6 +505,7 @@ static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle, ib->ptr[i] = 0x0; r = amdgpu_job_submit_direct(job, ring, &f); + amdgpu_ib_free(ring->adev, &ib_msg, f); if (r) goto err; @@ -1134,20 +1142,13 @@ int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring) int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) { struct dma_fence *fence = NULL; - struct amdgpu_bo *bo = NULL; long r; /* skip vce ring1/2 ib test for now, since it's not reliable */ if (ring != &ring->adev->vce.ring[0]) return 0; - r = amdgpu_bo_create_reserved(ring->adev, 512, PAGE_SIZE, - AMDGPU_GEM_DOMAIN_VRAM, - &bo, NULL, NULL); - if (r) - return r; - - r = amdgpu_vce_get_create_msg(ring, 1, bo, NULL); + r = amdgpu_vce_get_create_msg(ring, 1, NULL); if (r) goto error; @@ -1163,8 +1164,6 @@ int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout) error: dma_fence_put(fence); - amdgpu_bo_unreserve(bo); - amdgpu_bo_free_kernel(&bo, NULL, NULL); return r; } |