Module: Mesa Branch: main Commit: 99ae565af2b8724ce316d27d7e7382e34aab9a91 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=99ae565af2b8724ce316d27d7e7382e34aab9a91
Author: José Roberto de Souza <jose.so...@intel.com> Date: Wed Nov 22 07:36:36 2023 -0800 anv: Prepare anv_device_get_pat_entry() for discrete GPUs Signed-off-by: José Roberto de Souza <jose.so...@intel.com> Reviewed-by: Lionel Landwerlin <lionel.g.landwer...@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25462> --- src/intel/vulkan/anv_device.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c index 1be4c158996..3795cadabea 100644 --- a/src/intel/vulkan/anv_device.c +++ b/src/intel/vulkan/anv_device.c @@ -5187,6 +5187,16 @@ const struct intel_device_info_pat_entry * anv_device_get_pat_entry(struct anv_device *device, enum anv_bo_alloc_flags alloc_flags) { + /* PAT indexes has no actual effect in DG2 and DG1, smem caches will always + * be snopped by GPU and lmem will always be WC. + * This might change in future discrete platforms. + */ + if (anv_physical_device_has_vram(device->physical)) { + if (alloc_flags & ANV_BO_ALLOC_NO_LOCAL_MEM) + return &device->info->pat.cached_coherent; + return &device->info->pat.writecombining; + } + if (alloc_flags & (ANV_BO_ALLOC_HOST_CACHED_COHERENT)) return &device->info->pat.cached_coherent; else if (alloc_flags & (ANV_BO_ALLOC_EXTERNAL | ANV_BO_ALLOC_SCANOUT))
