[AMD Official Use Only - AMD Internal Distribution Only]
Reviewed-by: Sreekant Somasekharan <Sreekant.Somasekharan@xxxxxxx>
Regards,
-Sreekant
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of David Belanger <david.belanger@xxxxxxx>
Sent: Friday, August 23, 2024 7:58 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Belanger, David <David.Belanger@xxxxxxx> Subject: [PATCH] drm/amdkfd: Add cache line size info Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
Populate cache line size info in topology based on information from IP discovery table. Signed-off-by: David Belanger <david.belanger@xxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c index cd7b81b7b939..48caecf7e72e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c @@ -1434,7 +1434,8 @@ static int kfd_fill_gpu_cache_info_from_gfx_config(struct kfd_dev *kdev, 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; + pcache_info[i].num_cu_shared = adev->gfx.config.gc_num_tcp_per_wpg / 2; + pcache_info[i].cache_line_size = adev->gfx.config.gc_tcp_cache_line_size; i++; } /* Scalar L1 Instruction Cache per SQC */ @@ -1446,6 +1447,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config(struct kfd_dev *kdev, 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; + pcache_info[i].cache_line_size = adev->gfx.config.gc_instruction_cache_line_size; i++; } /* Scalar L1 Data Cache per SQC */ @@ -1456,6 +1458,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config(struct kfd_dev *kdev, 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; + pcache_info[i].cache_line_size = adev->gfx.config.gc_scalar_data_cache_line_size; i++; } /* GL1 Data Cache per SA */ @@ -1468,6 +1471,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config(struct kfd_dev *kdev, CRAT_CACHE_FLAGS_DATA_CACHE | CRAT_CACHE_FLAGS_SIMD_CACHE); pcache_info[i].num_cu_shared = adev->gfx.config.max_cu_per_sh; + pcache_info[i].cache_line_size = 0; i++; } /* L2 Data Cache per GPU (Total Tex Cache) */ @@ -1478,6 +1482,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config(struct kfd_dev *kdev, CRAT_CACHE_FLAGS_DATA_CACHE | CRAT_CACHE_FLAGS_SIMD_CACHE); pcache_info[i].num_cu_shared = adev->gfx.config.max_cu_per_sh; + pcache_info[i].cache_line_size = adev->gfx.config.gc_tcc_cache_line_size; i++; } /* L3 Data Cache per GPU */ @@ -1488,6 +1493,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config(struct kfd_dev *kdev, CRAT_CACHE_FLAGS_DATA_CACHE | CRAT_CACHE_FLAGS_SIMD_CACHE); pcache_info[i].num_cu_shared = adev->gfx.config.max_cu_per_sh; + pcache_info[i].cache_line_size = 0; i++; } return i; -- 2.41.0 |