winsys/amdgpu: make IBs use read-only memory

Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
index 089a3585912dacce313612bc0be97f7dbd29f2f4..63cd63287fd7737343487dbfa301ad4099377e94 100644 (file)
--- a/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
+++ b/src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
@@ -649,6 +649,7 @@ static bool amdgpu_ib_new_buffer(struct amdgpu_winsys *ws, struct amdgpu_ib *ib,
                                ws->info.gart_page_size,
                                RADEON_DOMAIN_GTT,
                                RADEON_FLAG_NO_INTERPROCESS_SHARING |
+                               RADEON_FLAG_READ_ONLY |
                                (ring_type == RING_GFX ||
                                 ring_type == RING_COMPUTE ||
                                 ring_type == RING_DMA ?