From fd72e2cb2f9dd2734e8013b3e185a21f0d605d3e Mon Sep 17 00:00:00 2001
From: Prike Liang <Prike.Liang@amd.com>
Date: Fri, 21 Oct 2022 16:38:48 -0400
Subject: [PATCH] drm/amdkfd: introduce dummy cache info for property asic
Git-commit: fd72e2cb2f9dd2734e8013b3e185a21f0d605d3e
Patch-mainline: v6.2-rc1
References: bsc#1206843
This dummy cache info will enable kfd base function support.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 53 ++++++++++++++++++++++++++-
1 file changed, 52 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index 8bfdfd062ff6..5e0bad7e0b77 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -891,6 +891,54 @@ static struct kfd_gpu_cache_info gc_10_3_6_cache_info[] = {
},
};
+static struct kfd_gpu_cache_info dummy_cache_info[] = {
+ {
+ /* TCP L1 Cache per CU */
+ .cache_size = 16,
+ .cache_level = 1,
+ .flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE),
+ .num_cu_shared = 1,
+ },
+ {
+ /* Scalar L1 Instruction Cache per SQC */
+ .cache_size = 32,
+ .cache_level = 1,
+ .flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_INST_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE),
+ .num_cu_shared = 2,
+ },
+ {
+ /* Scalar L1 Data Cache per SQC */
+ .cache_size = 16,
+ .cache_level = 1,
+ .flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE),
+ .num_cu_shared = 2,
+ },
+ {
+ /* GL1 Data Cache per SA */
+ .cache_size = 128,
+ .cache_level = 1,
+ .flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE),
+ .num_cu_shared = 6,
+ },
+ {
+ /* L2 Data Cache per GPU (Total Tex Cache) */
+ .cache_size = 2048,
+ .cache_level = 2,
+ .flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE),
+ .num_cu_shared = 6,
+ },
+};
+
static void kfd_populated_cu_info_cpu(struct kfd_topology_device *dev,
struct crat_subtype_computeunit *cu)
{
@@ -1630,7 +1678,10 @@ static int kfd_fill_gpu_cache_info(struct kfd_dev *kdev,
kfd_fill_gpu_cache_info_from_gfx_config(kdev, pcache_info);
break;
default:
- return -EINVAL;
+ pcache_info = dummy_cache_info;
+ num_of_cache_types = ARRAY_SIZE(dummy_cache_info);
+ pr_warn("dummy cache info is used temporarily and real cache info need update later.\n");
+ break;
}
}
--
2.35.3