diff options
| -rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_drm_buffer.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm_buffer.c b/src/gallium/winsys/drm/radeon/core/radeon_drm_buffer.c index cc56a2bb8fd..73472aabc5e 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm_buffer.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm_buffer.c @@ -306,13 +306,21 @@ boolean radeon_drm_bufmgr_get_handle(struct pb_buffer *_buf, void radeon_drm_bufmgr_set_tiling(struct pb_buffer *_buf, boolean microtiled, boolean macrotiled, uint32_t pitch) { struct radeon_drm_buffer *buf = get_drm_buffer(_buf); - uint32_t flags = 0; - + uint32_t flags = 0, old_flags, old_pitch; if (microtiled) flags |= RADEON_BO_FLAGS_MICRO_TILE; if (macrotiled) flags |= RADEON_BO_FLAGS_MACRO_TILE; + radeon_bo_get_tiling(buf->bo, &old_flags, &old_pitch); + + if (flags != old_flags || pitch != old_pitch) { + /* Tiling determines how DRM treats the buffer data. + * We must flush CS when changing it if the buffer is referenced. */ + if (radeon_bo_is_referenced_by_cs(buf->bo, buf->mgr->rws->cs)) { + buf->mgr->rws->flush_cb(buf->mgr->rws->flush_data); + } + } radeon_bo_set_tiling(buf->bo, flags, pitch); } |