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panvk: Use the build SHA for the pipeline/binary cache UUIDs

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This way we get the same cache UUIDs for identical sources and build
environments, even if they're built at different times.

Acked-by: Eric R. Smith <eric.smith@collabora.com>
Reviewed-by: Lars-Ivar Hesselberg Simonsen <lars-ivar.simonsen@arm.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38019>
This commit is contained in:
Faith Ekstrand 2025-10-22 17:35:01 -04:00 • committed by Marge Bot
parent 4f8327188b
commit 9912c9a842
1 changed files with 16 additions and 16 deletions
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32
src/panfrost/vulkan/panvk_physical_device.c
View file

@ -135,20 +135,24 @@ get_drm_device_ids(struct panvk_physical_device *device,
return VK_SUCCESS;
}
static int
get_cache_uuid(uint16_t family, void *uuid)
static void
get_cache_sha1(struct panvk_physical_device *device,
const struct panvk_instance *instance)
{
uint32_t mesa_timestamp;
uint16_t f = family;
struct mesa_sha1 sha_ctx;
_mesa_sha1_init(&sha_ctx);
if (!disk_cache_get_function_timestamp(get_cache_uuid, &mesa_timestamp))
return -1;
_mesa_sha1_update(&sha_ctx, instance->driver_build_sha,
sizeof(instance->driver_build_sha));
memset(uuid, 0, VK_UUID_SIZE);
memcpy(uuid, &mesa_timestamp, 4);
memcpy((char *)uuid + 4, &f, 2);
snprintf((char *)uuid + 6, VK_UUID_SIZE - 10, "pan");
return 0;
_mesa_sha1_update(&sha_ctx, &device->kmod.props.gpu_id,
sizeof(device->kmod.props.gpu_id));
unsigned char sha[SHA1_DIGEST_LENGTH];
_mesa_sha1_final(&sha_ctx, sha);
STATIC_ASSERT(VK_UUID_SIZE <= SHA1_DIGEST_LENGTH);
memcpy(device->cache_uuid, sha, VK_UUID_SIZE);
}
static VkResult
@ -299,11 +303,7 @@ panvk_physical_device_init(struct panvk_physical_device *device,
memset(device->name, 0, sizeof(device->name));
sprintf(device->name, "%s", device->model->name);
if (get_cache_uuid(device->kmod.props.gpu_id, device->cache_uuid)) {
result = panvk_errorf(instance, VK_ERROR_INITIALIZATION_FAILED,
"cannot generate UUID");
goto fail;
}
get_cache_sha1(device, instance);
result = get_core_masks(device, instance);
if (result != VK_SUCCESS)