From cca7ecb32b5920f05bb940cbe01dde19c0125620 Mon Sep 17 00:00:00 2001 From: Alex Xie Date: Wed, 26 Apr 2017 13:31:01 -0400 Subject: [PATCH] drm/amdgpu: Fix use of interruptible waiting MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Either in cgs functions or for callers of cgs functions: 1. The signal interrupt can affect the expected behaviour 2. There is no good mechanism to handle the corresponding error 3. There is no chance of deadlock in these single BO waiting 4. There is no clear benefit for interruptible waiting 5. Future caller of these functions might have same issue. Signed-off-by: Alex Xie Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 1c7e6c28f93a..013f5f14dd75 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -89,7 +89,7 @@ static int amdgpu_cgs_gmap_kmem(struct cgs_device *cgs_device, void *kmem, AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo); if (ret) return ret; - ret = amdgpu_bo_reserve(bo, false); + ret = amdgpu_bo_reserve(bo, true); if (unlikely(ret != 0)) return ret; @@ -107,7 +107,7 @@ static int amdgpu_cgs_gunmap_kmem(struct cgs_device *cgs_device, cgs_handle_t km struct amdgpu_bo *obj = (struct amdgpu_bo *)kmem_handle; if (obj) { - int r = amdgpu_bo_reserve(obj, false); + int r = amdgpu_bo_reserve(obj, true); if (likely(r == 0)) { amdgpu_bo_unpin(obj); amdgpu_bo_unreserve(obj); @@ -215,7 +215,7 @@ static int amdgpu_cgs_free_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t h struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; if (obj) { - int r = amdgpu_bo_reserve(obj, false); + int r = amdgpu_bo_reserve(obj, true); if (likely(r == 0)) { amdgpu_bo_kunmap(obj); amdgpu_bo_unpin(obj); @@ -239,7 +239,7 @@ static int amdgpu_cgs_gmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t h min_offset = obj->placements[0].fpfn << PAGE_SHIFT; max_offset = obj->placements[0].lpfn << PAGE_SHIFT; - r = amdgpu_bo_reserve(obj, false); + r = amdgpu_bo_reserve(obj, true); if (unlikely(r != 0)) return r; r = amdgpu_bo_pin_restricted(obj, obj->prefered_domains, @@ -252,7 +252,7 @@ static int amdgpu_cgs_gunmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t { int r; struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; - r = amdgpu_bo_reserve(obj, false); + r = amdgpu_bo_reserve(obj, true); if (unlikely(r != 0)) return r; r = amdgpu_bo_unpin(obj); @@ -265,7 +265,7 @@ static int amdgpu_cgs_kmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t h { int r; struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; - r = amdgpu_bo_reserve(obj, false); + r = amdgpu_bo_reserve(obj, true); if (unlikely(r != 0)) return r; r = amdgpu_bo_kmap(obj, map); @@ -277,7 +277,7 @@ static int amdgpu_cgs_kunmap_gpu_mem(struct cgs_device *cgs_device, cgs_handle_t { int r; struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; - r = amdgpu_bo_reserve(obj, false); + r = amdgpu_bo_reserve(obj, true); if (unlikely(r != 0)) return r; amdgpu_bo_kunmap(obj); -- 2.39.5