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Subject[PATCH 3/4] drm/v3d: Clean up the reservation object setup.
Date
The extra to_v3d_bo() calls came from copying this from the vc4
driver, which stored the cma gem object in the structs.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
drivers/gpu/drm/v3d/v3d_gem.c | 32 +++++++++++---------------------
1 file changed, 11 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index b88c96911453..d0dfdcbbd42c 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -214,10 +214,8 @@ v3d_attach_object_fences(struct v3d_exec_info *exec)
int i;

for (i = 0; i < exec->bo_count; i++) {
- bo = to_v3d_bo(&exec->bo[i]->base);
-
/* XXX: Use shared fences for read-only objects. */
- reservation_object_add_excl_fence(bo->resv, out_fence);
+ reservation_object_add_excl_fence(exec->bo[i]->resv, out_fence);
}
}

@@ -228,11 +226,8 @@ v3d_unlock_bo_reservations(struct drm_device *dev,
{
int i;

- for (i = 0; i < exec->bo_count; i++) {
- struct v3d_bo *bo = to_v3d_bo(&exec->bo[i]->base);
-
- ww_mutex_unlock(&bo->resv->lock);
- }
+ for (i = 0; i < exec->bo_count; i++)
+ ww_mutex_unlock(&exec->bo[i]->resv->lock);

ww_acquire_fini(acquire_ctx);
}
@@ -251,13 +246,13 @@ v3d_lock_bo_reservations(struct drm_device *dev,
{
int contended_lock = -1;
int i, ret;
- struct v3d_bo *bo;

ww_acquire_init(acquire_ctx, &reservation_ww_class);

retry:
if (contended_lock != -1) {
- bo = to_v3d_bo(&exec->bo[contended_lock]->base);
+ struct v3d_bo *bo = exec->bo[contended_lock];
+
ret = ww_mutex_lock_slow_interruptible(&bo->resv->lock,
acquire_ctx);
if (ret) {
@@ -270,19 +265,16 @@ v3d_lock_bo_reservations(struct drm_device *dev,
if (i == contended_lock)
continue;

- bo = to_v3d_bo(&exec->bo[i]->base);
-
- ret = ww_mutex_lock_interruptible(&bo->resv->lock, acquire_ctx);
+ ret = ww_mutex_lock_interruptible(&exec->bo[i]->resv->lock,
+ acquire_ctx);
if (ret) {
int j;

- for (j = 0; j < i; j++) {
- bo = to_v3d_bo(&exec->bo[j]->base);
- ww_mutex_unlock(&bo->resv->lock);
- }
+ for (j = 0; j < i; j++)
+ ww_mutex_unlock(&exec->bo[j]->resv->lock);

if (contended_lock != -1 && contended_lock >= i) {
- bo = to_v3d_bo(&exec->bo[contended_lock]->base);
+ struct v3d_bo *bo = exec->bo[contended_lock];

ww_mutex_unlock(&bo->resv->lock);
}
@@ -303,9 +295,7 @@ v3d_lock_bo_reservations(struct drm_device *dev,
* before we commit the CL to the hardware.
*/
for (i = 0; i < exec->bo_count; i++) {
- bo = to_v3d_bo(&exec->bo[i]->base);
-
- ret = reservation_object_reserve_shared(bo->resv, 1);
+ ret = reservation_object_reserve_shared(exec->bo[i]->resv, 1);
if (ret) {
v3d_unlock_bo_reservations(dev, exec, acquire_ctx);
return ret;
--
2.19.1
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