drm/amdgpu: revert "add new bo flag that indicates BOs don't need fallback (v2)"

This reverts commit 6f51d28bfe8e1a676de5cd877639245bed3cc818.

Makes fallback handling to complicated. This is just a feature for the
GEM interface and shouldn't leak into the core BO create function.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 68af2f8..e1756b6 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -385,8 +385,7 @@ retry:
            amdgpu_bo_in_cpu_visible_vram(bo))
                p->bytes_moved_vis += ctx.bytes_moved;
 
-       if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains &&
-           !(bo->flags & AMDGPU_GEM_CREATE_NO_FALLBACK)) {
+       if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
                domain = bo->allowed_domains;
                goto retry;
        }

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index a160ef0..1de6864 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -388,8 +388,6 @@ retry:
        drm_gem_private_object_init(adev->ddev, &bo->gem_base, size);
        INIT_LIST_HEAD(&bo->shadow_list);
        INIT_LIST_HEAD(&bo->va);
-       bo->preferred_domains = preferred_domains;
-       bo->allowed_domains = allowed_domains;
 
        bo->flags = flags;
 
@@ -426,8 +424,7 @@ retry:
        r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type,
                                 &bo->placement, page_align, &ctx, acc_size,
                                 NULL, resv, &amdgpu_ttm_bo_destroy);
-       if (unlikely(r && r != -ERESTARTSYS) && type == ttm_bo_type_device &&
-           !(flags & AMDGPU_GEM_CREATE_NO_FALLBACK)) {
+       if (unlikely(r && r != -ERESTARTSYS) && type == ttm_bo_type_device) {
                if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) {
                        flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
                        goto retry;

diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 4f5a27d..c363b67 100644 (file)
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -95,8 +95,6 @@ extern "C" {
 #define AMDGPU_GEM_CREATE_VM_ALWAYS_VALID      (1 << 6)
 /* Flag that BO sharing will be explicitly synchronized */
 #define AMDGPU_GEM_CREATE_EXPLICIT_SYNC                (1 << 7)
-/* Flag that BO doesn't need fallback */
-#define AMDGPU_GEM_CREATE_NO_FALLBACK          (1 << 8)
 
 struct drm_amdgpu_gem_create_in  {
        /** the requested memory size */