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_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index e15cb1f..c0130b0 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -42,6 +42,8 @@
struct radeon_bo *robj = gem_to_radeon_bo(gobj);
if (robj) {
+ if (robj->gem_base.import_attach)
+ drm_prime_gem_destroy(&robj->gem_base, robj->tbo.sg);
radeon_bo_unref(&robj);
}
}
@@ -59,7 +61,7 @@
if (alignment < PAGE_SIZE) {
alignment = PAGE_SIZE;
}
- r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, &robj);
+ r = radeon_bo_create(rdev, size, alignment, kernel, initial_domain, NULL, &robj);
if (r) {
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",