Rather than using hardcoded tables, we can use the gfx and
gmc config pulled from the IP discovery table to generate the
cache configuration.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 72 +++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index afc8a7fcdad8..a3275139aaf4 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -1315,6 +1315,78 @@ static int fill_in_l2_l3_pcache(struct
crat_subtype_cache *pcache,
return 1;
}
+static int kfd_fill_gpu_cache_info_from_gfx_config(struct kfd_dev *kdev,
+ struct kfd_gpu_cache_info
*pcache_info)
+{
+ struct amdgpu_device *adev = kdev->adev;
+ int i = 0;
+
+ /* TCP L1 Cache per CU */
+ if (adev->gfx.config.gc_tcp_l1_size) {
+ pcache_info[i].cache_size = adev->gfx.config.gc_tcp_l1_size;
+ pcache_info[i].cache_level = 1;
+ pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE);
+ pcache_info[0].num_cu_shared =
adev->gfx.config.gc_num_tcp_per_wpg / 2;
+ i++;
+ }
+ /* Scalar L1 Instruction Cache per SQC */
+ if (adev->gfx.config.gc_l1_instruction_cache_size_per_sqc) {
+ pcache_info[i].cache_size =
+ adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
+ pcache_info[i].cache_level = 1;
+ pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_INST_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE);
+ pcache_info[i].num_cu_shared =
adev->gfx.config.gc_num_sqc_per_wgp * 2;
+ i++;
+ }
+ /* Scalar L1 Data Cache per SQC */
+ if (adev->gfx.config.gc_l1_data_cache_size_per_sqc) {
+ pcache_info[i].cache_size =
adev->gfx.config.gc_l1_data_cache_size_per_sqc;
+ pcache_info[i].cache_level = 1;
+ pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE);
+ pcache_info[i].num_cu_shared =
adev->gfx.config.gc_num_sqc_per_wgp * 2;
+ i++;
+ }
+ /* GL1 Data Cache per SA */
+ if (adev->gfx.config.gc_gl1c_per_sa &&
+ adev->gfx.config.gc_gl1c_size_per_instance) {
+ pcache_info[i].cache_size = adev->gfx.config.gc_gl1c_per_sa *
+ adev->gfx.config.gc_gl1c_size_per_instance;
+ pcache_info[i].cache_level = 1;
+ pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE);
+ pcache_info[i].num_cu_shared = adev->gfx.config.max_cu_per_sh;
+ i++;
+ }
+ /* L2 Data Cache per GPU (Total Tex Cache) */
+ if (adev->gfx.config.gc_gl2c_per_gpu) {
+ pcache_info[i].cache_size = adev->gfx.config.gc_gl2c_per_gpu;
+ pcache_info[i].cache_level = 2;
+ pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE);
+ pcache_info[i].num_cu_shared = adev->gfx.config.max_cu_per_sh;
+ i++;
+ }
+ /* L3 Data Cache per GPU */
+ if (adev->gmc.mall_size) {
+ pcache_info[i].cache_size = adev->gmc.mall_size / 1024;
+ pcache_info[i].cache_level = 3;
+ pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
+ CRAT_CACHE_FLAGS_DATA_CACHE |
+ CRAT_CACHE_FLAGS_SIMD_CACHE);
+ pcache_info[i].num_cu_shared = adev->gfx.config.max_cu_per_sh;
+ i++;
+ }
+ return i;
+}
+
/* kfd_fill_gpu_cache_info - Fill GPU cache info using kfd_gpu_cache_info
* tables
*
--
2.35.1
