[Mesa-dev] [PATCH 5/6] radv: make descriptor BOs read-only for the GPU

[Samuel Pitoiset]

Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
 src/amd/vulkan/radv_descriptor_set.c | 6 ++++--
 src/amd/vulkan/radv_device.c         | 4 +++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/amd/vulkan/radv_descriptor_set.c 
b/src/amd/vulkan/radv_descriptor_set.c
index e815939a67..19a560a6b3 100644
--- a/src/amd/vulkan/radv_descriptor_set.c
+++ b/src/amd/vulkan/radv_descriptor_set.c
@@ -454,8 +454,10 @@ VkResult radv_CreateDescriptorPool(
        }
 
        if (bo_size) {
-               pool->bo = device->ws->buffer_create(device->ws, bo_size,
-                                                       32, RADEON_DOMAIN_VRAM, 
RADEON_FLAG_NO_INTERPROCESS_SHARING);
+               pool->bo = device->ws->buffer_create(device->ws, bo_size, 32,
+                                                    RADEON_DOMAIN_VRAM,
+                                                    
RADEON_FLAG_NO_INTERPROCESS_SHARING |
+                                                    RADEON_FLAG_READ_ONLY);
                pool->mapped_ptr = (uint8_t*)device->ws->buffer_map(pool->bo);
        }
        pool->size = bo_size;
diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index cbf8f5cf49..5f78af624b 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -1603,7 +1603,9 @@ radv_get_preamble_cs(struct radv_queue *queue,
                                                                 size,
                                                                 4096,
                                                                 
RADEON_DOMAIN_VRAM,
-                                                                
RADEON_FLAG_CPU_ACCESS|RADEON_FLAG_NO_INTERPROCESS_SHARING);
+                                                                
RADEON_FLAG_CPU_ACCESS |
+                                                                
RADEON_FLAG_NO_INTERPROCESS_SHARING |
+                                                                
RADEON_FLAG_READ_ONLY);
                if (!descriptor_bo)
                        goto fail;
        } else
-- 
2.15.1

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