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drm/amdgpu: enable eviction fence

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This patch enables attachment and detachment of eviction fences.
This is just a fork of eviction fence enabling code from the first
patch of the series so that the CI testing can happen on fully
fledged code.

Cc: Alex Deucher <[email protected]>
Cc: Christian Koenig <[email protected]>
Reviewed-by: Christian Koenig <[email protected]>
Signed-off-by: Shashank Sharma <[email protected]>
Signed-off-by: Arvind Yadav <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Shashank Sharma authored and Alex Deucher committed 2025-04-08 16:48:19 -04:00
1 parent a242a3e4b5
commit 31f7efcdca
2 files changed
+12
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drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.c
+2
View File
@@ -177,6 +177,8 @@ void amdgpu_eviction_fence_destroy(struct amdgpu_eviction_fence_mgr *evf_mgr)
if (!ev_fence) if (!ev_fence)
return; return;
dma_fence_wait(&ev_fence->base, false);
/* Last unref of ev_fence */ /* Last unref of ev_fence */
dma_fence_put(&evf_mgr->ev_fence->base); dma_fence_put(&evf_mgr->ev_fence->base);
} }
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+10
View File
@@ -294,6 +294,13 @@ static int amdgpu_gem_object_open(struct drm_gem_object *obj,
else else
++bo_va->ref_count; ++bo_va->ref_count;
/* attach gfx eviction fence */
r = amdgpu_eviction_fence_attach(&fpriv->evf_mgr, abo);
if (r) {
DRM_DEBUG_DRIVER("Failed to attach eviction fence to BO\n");
return r;
}
amdgpu_bo_unreserve(abo); amdgpu_bo_unreserve(abo);
/* Validate and add eviction fence to DMABuf imports with dynamic /* Validate and add eviction fence to DMABuf imports with dynamic
@@ -344,6 +351,9 @@ static void amdgpu_gem_object_close(struct drm_gem_object *obj,
struct drm_exec exec; struct drm_exec exec;
long r; long r;
if (!amdgpu_vm_is_bo_always_valid(vm, bo))
amdgpu_eviction_fence_detach(&fpriv->evf_mgr, bo);
drm_exec_init(&exec, DRM_EXEC_IGNORE_DUPLICATES, 0); drm_exec_init(&exec, DRM_EXEC_IGNORE_DUPLICATES, 0);
drm_exec_until_all_locked(&exec) { drm_exec_until_all_locked(&exec) {
r = drm_exec_prepare_obj(&exec, &bo->tbo.base, 1); r = drm_exec_prepare_obj(&exec, &bo->tbo.base, 1);