From: Jerome Glisse Date: Wed, 9 May 2012 13:34:44 +0000 (+0200) Subject: drm/radeon: fix possible lack of synchronization btw ttm and other ring X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=133f4cb3365ef8e57c4837ffbe15de74684f6e19;p=linux-beck.git drm/radeon: fix possible lack of synchronization btw ttm and other ring We need to sync with the GFX ring as ttm might have schedule bo move on it and new command scheduled for other ring need to wait for bo data to be in place. Signed-off-by: Jerome Glisse Reviewed by: Christian König Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index c66beb1662b5..289b0d786e97 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -122,15 +122,15 @@ static int radeon_cs_sync_rings(struct radeon_cs_parser *p) int i, r; for (i = 0; i < p->nrelocs; i++) { + struct radeon_fence *fence; + if (!p->relocs[i].robj || !p->relocs[i].robj->tbo.sync_obj) continue; - if (!(p->relocs[i].flags & RADEON_RELOC_DONT_SYNC)) { - struct radeon_fence *fence = p->relocs[i].robj->tbo.sync_obj; - if (fence->ring != p->ring && !radeon_fence_signaled(fence)) { - sync_to_ring[fence->ring] = true; - need_sync = true; - } + fence = p->relocs[i].robj->tbo.sync_obj; + if (fence->ring != p->ring && !radeon_fence_signaled(fence)) { + sync_to_ring[fence->ring] = true; + need_sync = true; } } diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h index 7c491b4bcf65..58056865b8e9 100644 --- a/include/drm/radeon_drm.h +++ b/include/drm/radeon_drm.h @@ -926,7 +926,6 @@ struct drm_radeon_cs_chunk { }; /* drm_radeon_cs_reloc.flags */ -#define RADEON_RELOC_DONT_SYNC 0x01 struct drm_radeon_cs_reloc { uint32_t handle;