drm/radeon: add PRIME support (v2)
This adds prime->fd and fd->prime support to radeon.
It passes the sg object to ttm and then populates
the gart entries using it.
Compile tested only.
v2: stub kmap + use new helpers + add reimporting
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 1affbc9..830f1a7 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -104,7 +104,7 @@
int radeon_bo_create(struct radeon_device *rdev,
unsigned long size, int byte_align, bool kernel, u32 domain,
- struct radeon_bo **bo_ptr)
+ struct sg_table *sg, struct radeon_bo **bo_ptr)
{
struct radeon_bo *bo;
enum ttm_bo_type type;
@@ -120,6 +120,8 @@
}
if (kernel) {
type = ttm_bo_type_kernel;
+ } else if (sg) {
+ type = ttm_bo_type_sg;
} else {
type = ttm_bo_type_device;
}
@@ -155,7 +157,7 @@
mutex_lock(&rdev->vram_mutex);
r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, 0, !kernel, NULL,
- acc_size, NULL, &radeon_ttm_bo_destroy);
+ acc_size, sg, &radeon_ttm_bo_destroy);
mutex_unlock(&rdev->vram_mutex);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS) {