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authorMaarten Lankhorst <m.b.lankhorst@gmail.com>2013-06-27 13:48:17 +0200
committerDave Airlie <airlied@redhat.com>2013-06-28 12:02:20 +1000
commitecff665f5e3f1c6909353e00b9420e45ae23d995 (patch)
tree8fed7d4570ec707427e954c6d2695d1549e08364 /drivers/gpu/drm/radeon/radeon_uvd.c
parent786d7257e537da0674c02e16e3b30a44665d1cee (diff)
downloadblackbird-op-linux-ecff665f5e3f1c6909353e00b9420e45ae23d995.tar.gz
blackbird-op-linux-ecff665f5e3f1c6909353e00b9420e45ae23d995.zip
drm/ttm: make ttm reservation calls behave like reservation calls
This commit converts the source of the val_seq counter to the ww_mutex api. The reservation objects are converted later, because there is still a lockdep splat in nouveau that has to resolved first. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Reviewed-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_uvd.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_uvd.c27
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index ce5a10c8d338..41efcec28cd8 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -550,6 +550,7 @@ static int radeon_uvd_send_msg(struct radeon_device *rdev,
struct radeon_fence **fence)
{
struct ttm_validate_buffer tv;
+ struct ww_acquire_ctx ticket;
struct list_head head;
struct radeon_ib ib;
uint64_t addr;
@@ -561,7 +562,7 @@ static int radeon_uvd_send_msg(struct radeon_device *rdev,
INIT_LIST_HEAD(&head);
list_add(&tv.head, &head);
- r = ttm_eu_reserve_buffers(&head);
+ r = ttm_eu_reserve_buffers(&ticket, &head);
if (r)
return r;
@@ -569,16 +570,12 @@ static int radeon_uvd_send_msg(struct radeon_device *rdev,
radeon_uvd_force_into_uvd_segment(bo);
r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
- if (r) {
- ttm_eu_backoff_reservation(&head);
- return r;
- }
+ if (r)
+ goto err;
r = radeon_ib_get(rdev, ring, &ib, NULL, 16);
- if (r) {
- ttm_eu_backoff_reservation(&head);
- return r;
- }
+ if (r)
+ goto err;
addr = radeon_bo_gpu_offset(bo);
ib.ptr[0] = PACKET0(UVD_GPCOM_VCPU_DATA0, 0);
@@ -592,11 +589,9 @@ static int radeon_uvd_send_msg(struct radeon_device *rdev,
ib.length_dw = 16;
r = radeon_ib_schedule(rdev, &ib, NULL);
- if (r) {
- ttm_eu_backoff_reservation(&head);
- return r;
- }
- ttm_eu_fence_buffer_objects(&head, ib.fence);
+ if (r)
+ goto err;
+ ttm_eu_fence_buffer_objects(&ticket, &head, ib.fence);
if (fence)
*fence = radeon_fence_ref(ib.fence);
@@ -604,6 +599,10 @@ static int radeon_uvd_send_msg(struct radeon_device *rdev,
radeon_ib_free(rdev, &ib);
radeon_bo_unref(&bo);
return 0;
+
+err:
+ ttm_eu_backoff_reservation(&ticket, &head);
+ return r;
}
/* multiple fence commands without any stream commands in between can
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