From a0c9956a8d5a808c173028f1e388377a890a2fdb Mon Sep 17 00:00:00 2001
From: Kent Russell <kent.russell@amd.com>
Date: Tue, 6 Feb 2024 12:45:44 -0500
Subject: [PATCH] drm/amdkfd: Fix L2 cache size reporting in GFX9.4.3
Its currently incorrectly multiplied by number of XCCs in the partition
Fixes: be457b2252b6 ("drm/amdkfd: Update cache info for GFX 9.4.3")
Signed-off-by: Kent Russell <kent.russell@amd.com>
Reviewed-by: Mukul Joshi <mukul.joshi@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index e5f7c92eebcbb..6ed2ec381aaa3 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1638,12 +1638,10 @@ static int fill_in_l2_l3_pcache(struct kfd_cache_properties **props_ext,
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;
+ pcache->cache_size = pcache_info[cache_type].cache_size;
+ /* Partition mode only affects L3 cache size */
+ if (mode && pcache->cache_level == 3)
+ pcache->cache_size /= mode;
if (pcache_info[cache_type].flags & CRAT_CACHE_FLAGS_DATA_CACHE)
pcache->cache_type |= HSA_CACHE_TYPE_DATA;
--
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