From 0f457e488c79922dfd646f94ed058764f7ba758c Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sun, 29 Jul 2012 16:24:57 +0200 Subject: drm/radeon/kms: allow "invalid" DB formats as a means to disable DB MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Marek Olšák Reviewed-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/evergreen_cs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/radeon/evergreen_cs.c') diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index c16554122ccd..f2e5c545c973 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -961,13 +961,15 @@ static int evergreen_cs_track_check(struct radeon_cs_parser *p) if (track->db_dirty) { /* Check stencil buffer */ - if (G_028800_STENCIL_ENABLE(track->db_depth_control)) { + if (G_028044_FORMAT(track->db_s_info) != V_028044_STENCIL_INVALID && + G_028800_STENCIL_ENABLE(track->db_depth_control)) { r = evergreen_cs_track_validate_stencil(p); if (r) return r; } /* Check depth buffer */ - if (G_028800_Z_ENABLE(track->db_depth_control)) { + if (G_028040_FORMAT(track->db_z_info) != V_028040_Z_INVALID && + G_028800_Z_ENABLE(track->db_depth_control)) { r = evergreen_cs_track_validate_depth(p); if (r) return r; -- cgit v1.2.3