drm/radeon/kms: Check if bo we got from ttm are radeon object or not
If they are not radeon object don't do anythings special for them,
this avoid rare oops than can happen in a complex use case.
[airlied: additional fixups]
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index c938bb5..e3c4940 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1016,6 +1016,7 @@
extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
+extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
/* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */
struct r100_mc_save {
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 132130f..d9ffe1f 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -56,6 +56,13 @@
kfree(bo);
}
+bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo)
+{
+ if (bo->destroy == &radeon_ttm_bo_destroy)
+ return true;
+ return false;
+}
+
void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
{
u32 c = 0;
@@ -483,14 +490,20 @@
}
void radeon_bo_move_notify(struct ttm_buffer_object *bo,
- struct ttm_mem_reg *mem)
+ struct ttm_mem_reg *mem)
{
- struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
+ struct radeon_bo *rbo;
+ if (!radeon_ttm_bo_is_radeon_bo(bo))
+ return;
+ rbo = container_of(bo, struct radeon_bo, tbo);
radeon_bo_check_tiling(rbo, 0, 1);
}
void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
{
- struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
+ struct radeon_bo *rbo;
+ if (!radeon_ttm_bo_is_radeon_bo(bo))
+ return;
+ rbo = container_of(bo, struct radeon_bo, tbo);
radeon_bo_check_tiling(rbo, 0, 0);
}
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index d2ed896..7bed412 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -200,7 +200,19 @@
static void radeon_evict_flags(struct ttm_buffer_object *bo,
struct ttm_placement *placement)
{
- struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
+ struct radeon_bo *rbo;
+ static u32 placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
+
+ if (!radeon_ttm_bo_is_radeon_bo(bo)) {
+ placement->fpfn = 0;
+ placement->lpfn = 0;
+ placement->placement = &placements;
+ placement->busy_placement = &placements;
+ placement->num_placement = 1;
+ placement->num_busy_placement = 1;
+ return;
+ }
+ rbo = container_of(bo, struct radeon_bo, tbo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);