diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_cp.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_state.c | 6 |
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index 06123ba31d31..dc6eba6b96dd 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -1644,6 +1644,7 @@ static int radeon_do_resume_cp(struct drm_device *dev, struct drm_file *file_pri radeon_cp_load_microcode(dev_priv); radeon_cp_init_ring_buffer(dev, dev_priv, file_priv); + dev_priv->have_z_offset = 0; radeon_do_engine_reset(dev); radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1); diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h index f6d20cee5705..ee484b61bc5c 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.h +++ b/drivers/gpu/drm/radeon/radeon_drv.h @@ -267,6 +267,8 @@ typedef struct drm_radeon_private { u32 scratch_ages[5]; + int have_z_offset; + /* starting from here on, data is preserved accross an open */ uint32_t flags; /* see radeon_chip_flags */ resource_size_t fb_aper_offset; diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c index 44b6d66b0ab3..8e69dc485dcb 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)) { |