From: Mukul Joshi Date: Fri, 27 Oct 2023 15:33:32 +0000 (-0400) Subject: drm/amdkfd: Update cache info for GFX 9.4.3 X-Git-Tag: v6.7-rc1~40^2^2~16 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=be457b2252b6b49d74c4217224263c8d1e2a894d;p=thirdparty%2Fkernel%2Flinux.git drm/amdkfd: Update cache info for GFX 9.4.3 Update cache info reporting based on compute and memory partitioning modes. Signed-off-by: Mukul Joshi Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c index 4e530791507e1..dc7c8312e8c74 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c @@ -1602,10 +1602,13 @@ static int fill_in_l2_l3_pcache(struct kfd_cache_properties **props_ext, unsigned int cu_sibling_map_mask; int first_active_cu; int i, j, k, xcc, start, end; + int num_xcc = NUM_XCC(knode->xcc_mask); struct kfd_cache_properties *pcache = NULL; + enum amdgpu_memory_partition mode; + struct amdgpu_device *adev = knode->adev; start = ffs(knode->xcc_mask) - 1; - end = start + NUM_XCC(knode->xcc_mask); + end = start + num_xcc; cu_sibling_map_mask = cu_info->bitmap[start][0][0]; cu_sibling_map_mask &= ((1 << pcache_info[cache_type].num_cu_shared) - 1); @@ -1624,7 +1627,18 @@ static int fill_in_l2_l3_pcache(struct kfd_cache_properties **props_ext, pcache->processor_id_low = cu_processor_id + (first_active_cu - 1); pcache->cache_level = pcache_info[cache_type].cache_level; - pcache->cache_size = pcache_info[cache_type].cache_size; + + if (KFD_GC_VERSION(knode) == IP_VERSION(9, 4, 3)) + mode = adev->gmc.gmc_funcs->query_mem_partition_mode(adev); + else + mode = UNKNOWN_MEMORY_PARTITION_MODE; + + if (pcache->cache_level == 2) + pcache->cache_size = pcache_info[cache_type].cache_size * num_xcc; + else if (mode) + pcache->cache_size = pcache_info[cache_type].cache_size / mode; + else + pcache->cache_size = pcache_info[cache_type].cache_size; if (pcache_info[cache_type].flags & CRAT_CACHE_FLAGS_DATA_CACHE) pcache->cache_type |= HSA_CACHE_TYPE_DATA;