diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_state.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_state.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c index 38537d971a3e..474791076cf9 100644 --- a/drivers/gpu/drm/radeon/radeon_state.c +++ b/drivers/gpu/drm/radeon/radeon_state.c @@ -101,6 +101,7 @@ 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: @@ -876,6 +877,12 @@ 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)) { |