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path: root/drivers/gpu/drm/radeon/radeon_state.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_state.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_state.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 44b6d66b0ab..8e69dc485dc 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -105,6 +105,7 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
DRM_ERROR("Invalid depth buffer offset\n");
return -EINVAL;
}
+ dev_priv->have_z_offset = 1;
break;
case RADEON_EMIT_PP_CNTL:
@@ -898,6 +899,11 @@ static void radeon_cp_dispatch_clear(struct drm_device * dev,
if (tmp & RADEON_BACK)
flags |= RADEON_FRONT;
}
+ if (flags & (RADEON_DEPTH|RADEON_STENCIL)) {
+ if (!dev_priv->have_z_offset)
+ printk_once(KERN_ERR "radeon: illegal depth clear request. Buggy mesa detected - please update.\n");
+ flags &= ~(RADEON_DEPTH | RADEON_STENCIL);
+ }
if (flags & (RADEON_FRONT | RADEON_BACK)) {