From 0915fdbc69f58644f437730fbc9e1f1ab426fe18 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Mon, 19 Jun 2017 10:19:41 -0400 Subject: drm/amdgpu:fix gfx fence allocate size MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 1, for sriov, we need 8dw for the gfx fence due to CP behaviour 2, cleanup wrong logic in wptr/rptr wb alloc and free Change-Id: Ifbfed17a4621dae57244942ffac7de1743de0294 Signed-off-by: Monk Liu Signed-off-by: Xiangliang Yu Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 26 ++++++++++++++++++-------- 1 file changed, 18 insertions(+), 8 deletions(-) (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 75165e07b1cd..15b7149d1204 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c @@ -212,10 +212,19 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, } - r = amdgpu_wb_get(adev, &ring->fence_offs); - if (r) { - dev_err(adev->dev, "(%d) ring fence_offs wb alloc failed\n", r); - return r; + if (amdgpu_sriov_vf(adev) && ring->funcs->type == AMDGPU_RING_TYPE_GFX) { + r = amdgpu_wb_get_256Bit(adev, &ring->fence_offs); + if (r) { + dev_err(adev->dev, "(%d) ring fence_offs wb alloc failed\n", r); + return r; + } + + } else { + r = amdgpu_wb_get(adev, &ring->fence_offs); + if (r) { + dev_err(adev->dev, "(%d) ring fence_offs wb alloc failed\n", r); + return r; + } } r = amdgpu_wb_get(adev, &ring->cond_exe_offs); @@ -278,17 +287,18 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring) ring->ready = false; if (ring->funcs->support_64bit_ptrs) { - amdgpu_wb_free_64bit(ring->adev, ring->cond_exe_offs); - amdgpu_wb_free_64bit(ring->adev, ring->fence_offs); amdgpu_wb_free_64bit(ring->adev, ring->rptr_offs); amdgpu_wb_free_64bit(ring->adev, ring->wptr_offs); } else { - amdgpu_wb_free(ring->adev, ring->cond_exe_offs); - amdgpu_wb_free(ring->adev, ring->fence_offs); amdgpu_wb_free(ring->adev, ring->rptr_offs); amdgpu_wb_free(ring->adev, ring->wptr_offs); } + amdgpu_wb_free(ring->adev, ring->cond_exe_offs); + if (amdgpu_sriov_vf(ring->adev) && ring->funcs->type == AMDGPU_RING_TYPE_GFX) + amdgpu_wb_free_256bit(ring->adev, ring->fence_offs); + else + amdgpu_wb_free(ring->adev, ring->fence_offs); amdgpu_bo_free_kernel(&ring->ring_obj, &ring->gpu_addr, -- cgit v1.2.3