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drm/radeon: Only flush HDP cache for indirect buffers from userspace

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It isn't necessary for command streams generated by the kernel (at least
not while we aren't storing ring or indirect buffers in VRAM).

Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2014-08-18 17:34:55 +09:00 • committed by Alex Deucher
commit 1538a9e0e0
25 changed files with 73 additions and 66 deletions
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5
drivers/gpu/drm/radeon/radeon_ib.c
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@ -107,6 +107,7 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib)
* @rdev: radeon_device pointer
* @ib: IB object to schedule
* @const_ib: Const IB to schedule (SI only)
* @hdp_flush: Whether or not to perform an HDP cache flush
*
* Schedule an IB on the associated ring (all asics).
* Returns 0 on success, error on failure.
@ -122,7 +123,7 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib)
* to SI there was just a DE IB.
*/
int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
struct radeon_ib *const_ib)
struct radeon_ib *const_ib, bool hdp_flush)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
int r = 0;
@ -176,7 +177,7 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
if (ib->vm)
radeon_vm_fence(rdev, ib->vm, ib->fence);
radeon_ring_unlock_commit(rdev, ring);
radeon_ring_unlock_commit(rdev, ring, hdp_flush);
return 0;
}