iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amdkfd: Update cache info for GFX 9.4.3

Browse Source 
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>
This commit is contained in:
Mukul Joshi 2023-10-27 11:33:32 -04:00 committed by Alex Deucher
parent 0ce8edae8b
commit be457b2252
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/gpu/drm/amd/amdkfd/kfd_topology.c
View File

@ -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;