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path: root/drivers/gpu/drm/radeon/r600_blit_kms.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600_blit_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_blit_kms.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c
index 2bedce477a9..af1c3ca8a4c 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -449,6 +449,7 @@ int r600_blit_init(struct radeon_device *rdev)
u32 packet2s[16];
int num_packet2s = 0;
+ mutex_init(&rdev->r600_blit.mutex);
rdev->r600_blit.state_offset = 0;
if (rdev->family >= CHIP_RV770)
@@ -557,7 +558,8 @@ int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
int dwords_per_loop = 76, num_loops;
r = r600_vb_ib_get(rdev);
- WARN_ON(r);
+ if (r)
+ return r;
/* set_render_target emits 2 extra dwords on rv6xx */
if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770)
@@ -583,7 +585,8 @@ int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
ring_size += 5; /* done copy */
ring_size += 7; /* fence emit for done copy */
r = radeon_ring_lock(rdev, ring_size);
- WARN_ON(r);
+ if (r)
+ return r;
set_default_state(rdev); /* 14 */
set_shaders(rdev); /* 26 */