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 <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 4e530791507e1f16df50bd7d2b0907beb19fd7e7..dc7c8312e8c746fc89da977bb9b908887b3ce0dc 100644 (file)
--- 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;