[Mesa-dev] [PATCH 3/3] radv: Incorporate GPU family into cache UUID.

[Bas Nieuwenhuizen]

Invalidates the cache when someone switches cards.

Signed-off-by: Bas Nieuwenhuizen <ba...@google.com>
---
 src/amd/vulkan/radv_device.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 04c0bdc..8595973 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -61,9 +61,10 @@ radv_get_function_timestamp(void *ptr, uint32_t* timestamp)
 }
 
 static int
-radv_device_get_cache_uuid(void *uuid)
+radv_device_get_cache_uuid(enum radeon_family family, void *uuid)
 {
        uint32_t mesa_timestamp, llvm_timestamp;
+       uint16_t f = family;
        memset(uuid, 0, VK_UUID_SIZE);
        if (radv_get_function_timestamp(radv_device_get_cache_uuid, 
&mesa_timestamp) ||
            radv_get_function_timestamp(LLVMInitializeAMDGPUTargetInfo, 
&llvm_timestamp))
@@ -71,7 +72,8 @@ radv_device_get_cache_uuid(void *uuid)
 
        memcpy(uuid, &mesa_timestamp, 4);
        memcpy((char*)uuid + 4, &llvm_timestamp, 4);
-       snprintf((char*)uuid + 8, VK_UUID_SIZE - 8, "radv");
+       memcpy((char*)uuid + 8, &f, 2);
+       snprintf((char*)uuid + 10, VK_UUID_SIZE - 10, "radv");
        return 0;
 }
 
@@ -120,7 +122,7 @@ radv_physical_device_init(struct radv_physical_device 
*device,
                goto fail;
        }
 
-       if (radv_device_get_cache_uuid(device->uuid)) {
+       if (radv_device_get_cache_uuid(device->rad_info.family, device->uuid)) {
                radv_finish_wsi(device);
                device->ws->destroy(device->ws);
                goto fail;
-- 
2.10.2

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