[PATCH 1/2] drm/amdkfd: introduce dummy cache info for property asic

[Prike Liang]

This dummy cache info will enable kfd base function support.

Signed-off-by: Prike Liang <Prike.Liang at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_crat.c | 55 +++++++++++++++++++++++++--
 1 file changed, 52 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index cd5f8b219bf9..960046e43b7a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -795,6 +795,54 @@ static struct kfd_gpu_cache_info yellow_carp_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)
 {
@@ -1514,8 +1562,6 @@ static int kfd_fill_gpu_cache_info(struct kfd_dev *kdev,
 			num_of_cache_types = ARRAY_SIZE(beige_goby_cache_info);
 			break;
 		case IP_VERSION(10, 3, 3):
-		case IP_VERSION(10, 3, 6): /* TODO: Double check these on production silicon */
-		case IP_VERSION(10, 3, 7): /* TODO: Double check these on production silicon */
 			pcache_info = yellow_carp_cache_info;
 			num_of_cache_types = ARRAY_SIZE(yellow_carp_cache_info);
 			break;
@@ -1528,7 +1574,10 @@ 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;
 		}
 	}
 
-- 
2.25.1