2015-04-02 17:30 GMT+02:00 Lucas Stach l.stach@pengutronix.de:
Allows userspace to properly synchronize with the GPU when accessing buffers.
Signed-off-by: Lucas Stach l.stach@pengutronix.de
drivers/staging/etnaviv/etnaviv_gem.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/staging/etnaviv/etnaviv_gem.c b/drivers/staging/etnaviv/etnaviv_gem.c index 849d5cbb510c..57f3080fb632 100644 --- a/drivers/staging/etnaviv/etnaviv_gem.c +++ b/drivers/staging/etnaviv/etnaviv_gem.c @@ -467,28 +467,28 @@ void etnaviv_gem_move_to_inactive(struct drm_gem_object *obj) int etnaviv_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, struct timespec *timeout) { -/*
struct drm_device *dev = obj->dev; struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);-*/
int ret = 0;
/* TODO */-#if 0
if (is_active(etnaviv_obj)) { uint32_t fence = 0;
if (op & MSM_PREP_READ)
if (op & ETNA_PREP_READ) fence = etnaviv_obj->write_fence;
if (op & MSM_PREP_WRITE)
if (op & ETNA_PREP_WRITE) fence = max(fence, etnaviv_obj->read_fence);
if (op & MSM_PREP_NOSYNC)
if (op & ETNA_PREP_NOSYNC) timeout = NULL;
ret = etnaviv_wait_fence_interruptable(dev, fence, timeout);
ret = etnaviv_wait_fence_interruptable(dev, etnaviv_obj->gpu,fence, timeout); } /* TODO cache maintenance */-#endif
return ret;}
-- 2.1.4
looks like a part from https://github.com/austriancoder/linux/commit/0c347857d7eff27834bd82d5485c97...
-- Christian Gmeiner, MSc