From 07a713305a2b55d6ec424000f2c5bed1268ac56b Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Sat, 7 Jul 2012 12:11:32 +0200 Subject: [PATCH] drm/radeon: fix ring commit padding MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We don't need to pad anything if the number of dwords written to the ring already matches the requirements. Fixes some "writting more dword to ring than expected" warnings. Signed-off-by: Christian König Reviewed-by: Jerome Glisse Reviewed-by: Michel Dänzer Reviewed-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_ring.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 0826e77..674aaba 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -272,13 +272,8 @@ int radeon_ring_lock(struct radeon_device *rdev, struct radeon_ring *ring, unsig void radeon_ring_commit(struct radeon_device *rdev, struct radeon_ring *ring) { - unsigned count_dw_pad; - unsigned i; - /* We pad to match fetch size */ - count_dw_pad = (ring->align_mask + 1) - - (ring->wptr & ring->align_mask); - for (i = 0; i < count_dw_pad; i++) { + while (ring->wptr & ring->align_mask) { radeon_ring_write(ring, ring->nop); } DRM_MEMORYBARRIER(); -- 2.7.4