From d330fca11500bebaf7f25b60b7b087bbe8ad0b7f Mon Sep 17 00:00:00 2001 From: Roger He Date: Tue, 6 Feb 2018 11:22:57 +0800 Subject: [PATCH] drm/ttm: use bit flag to replace allow_reserved_eviction in ttm_operation_ctx MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit for saving memory and more bit flag can be used in future Signed-off-by: Roger He Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 ++-- drivers/gpu/drm/ttm/ttm_bo.c | 3 ++- include/drm/ttm/ttm_bo_api.h | 7 +++++-- 4 files changed, 11 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index eaa3cb0..dc34b50 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -346,8 +346,8 @@ static int amdgpu_cs_bo_validate(struct amdgpu_cs_parser *p, struct ttm_operation_ctx ctx = { .interruptible = true, .no_wait_gpu = false, - .allow_reserved_eviction = false, - .resv = bo->tbo.resv + .resv = bo->tbo.resv, + .flags = 0 }; uint32_t domain; int r; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 969de54..c2a4b72 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -341,8 +341,8 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, struct ttm_operation_ctx ctx = { .interruptible = !kernel, .no_wait_gpu = false, - .allow_reserved_eviction = true, - .resv = resv + .resv = resv, + .flags = TTM_OPT_FLAG_ALLOW_RES_EVICT }; struct amdgpu_bo *bo; enum ttm_bo_type type; diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index d90b1cf1..a907311 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -730,7 +730,8 @@ static bool ttm_bo_evict_swapout_allowable(struct ttm_buffer_object *bo, *locked = false; if (bo->resv == ctx->resv) { reservation_object_assert_held(bo->resv); - if (ctx->allow_reserved_eviction || !list_empty(&bo->ddestroy)) + if (ctx->flags & TTM_OPT_FLAG_ALLOW_RES_EVICT + || !list_empty(&bo->ddestroy)) ret = true; } else { *locked = reservation_object_trylock(bo->resv); diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index 2cd025c..872ff6c 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -263,8 +263,8 @@ struct ttm_bo_kmap_obj { * * @interruptible: Sleep interruptible if sleeping. * @no_wait_gpu: Return immediately if the GPU is busy. - * @allow_reserved_eviction: Allow eviction of reserved BOs. * @resv: Reservation object to allow reserved evictions with. + * @flags: Including the following flags * * Context for TTM operations like changing buffer placement or general memory * allocation. @@ -272,11 +272,14 @@ struct ttm_bo_kmap_obj { struct ttm_operation_ctx { bool interruptible; bool no_wait_gpu; - bool allow_reserved_eviction; struct reservation_object *resv; uint64_t bytes_moved; + uint32_t flags; }; +/* Allow eviction of reserved BOs */ +#define TTM_OPT_FLAG_ALLOW_RES_EVICT 0x1 + /** * ttm_bo_reference - reference a struct ttm_buffer_object * -- 2.7.4