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authorDavid Yat Sin <David.YatSin@amd.com>2024-11-26 21:18:47 +0100
committerAlex Deucher <alexander.deucher@amd.com>2024-12-03 00:34:57 +0100
commit55ed120dcfdde2478c3ebfa1c0ac4ed1e430053b (patch)
tree2e28e104d98092162445d446a0c96edf5ce3116e
parentdrm/amdkfd: add MEC version that supports no PCIe atomics for GFX12 (diff)
downloadlinux-55ed120dcfdde2478c3ebfa1c0ac4ed1e430053b.tar.xz
linux-55ed120dcfdde2478c3ebfa1c0ac4ed1e430053b.zip
drm/amdkfd: hard-code cacheline for gc943,gc944
Cacheline size is not available in IP discovery for gc943,gc944. Signed-off-by: David Yat Sin <David.YatSin@amd.com> Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_crat.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index 723f1220e1cc..7b826a136ceb 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -1510,6 +1510,8 @@ static int kfd_fill_gpu_cache_info_from_gfx_config_v2(struct kfd_dev *kdev,
if (adev->gfx.config.gc_tcp_size_per_cu) {
pcache_info[i].cache_size = adev->gfx.config.gc_tcp_size_per_cu;
pcache_info[i].cache_level = 1;
+ /* Cacheline size not available in IP discovery for gc943,gc944 */
+ pcache_info[i].cache_line_size = 128;
pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE);
@@ -1521,6 +1523,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config_v2(struct kfd_dev *kdev,
pcache_info[i].cache_size =
adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
pcache_info[i].cache_level = 1;
+ pcache_info[i].cache_line_size = 64;
pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_INST_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE);
@@ -1531,6 +1534,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config_v2(struct kfd_dev *kdev,
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].cache_line_size = 64;
pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE);
@@ -1541,6 +1545,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config_v2(struct kfd_dev *kdev,
if (adev->gfx.config.gc_tcc_size) {
pcache_info[i].cache_size = adev->gfx.config.gc_tcc_size;
pcache_info[i].cache_level = 2;
+ pcache_info[i].cache_line_size = 128;
pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE);
@@ -1551,6 +1556,7 @@ static int kfd_fill_gpu_cache_info_from_gfx_config_v2(struct kfd_dev *kdev,
if (adev->gmc.mall_size) {
pcache_info[i].cache_size = adev->gmc.mall_size / 1024;
pcache_info[i].cache_level = 3;
+ pcache_info[i].cache_line_size = 64;
pcache_info[i].flags = (CRAT_CACHE_FLAGS_ENABLED |
CRAT_CACHE_FLAGS_DATA_CACHE |
CRAT_CACHE_FLAGS_SIMD_CACHE);