[PATCH 1/5] drm/amd/powerplay: allocate fb for avfs fuse table on vega10.

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Change-Id: I1faf3fda843c032a3bba6d6a82df23fb5cab478b
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 .../gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c   | 36 ++++++++++++++++++++++
 .../gpu/drm/amd/powerplay/smumgr/vega10_smumgr.h   |  1 +
 2 files changed, 37 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
index a3b7986..d626dd9 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
@@ -512,6 +512,40 @@ static int vega10_smu_init(struct pp_smumgr *smumgr)
 		}
 	}
 
+	/* allocate space for AVFS Fuse table */
+	smu_allocate_memory(smumgr->device,
+			sizeof(AvfsFuseOverride_t),
+			CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB,
+			PAGE_SIZE,
+			&mc_addr,
+			&kaddr,
+			&handle);
+
+	PP_ASSERT_WITH_CODE(kaddr,
+			"[vega10_smu_init] Out of memory for avfs fuse table.",
+			kfree(smumgr->backend);
+			cgs_free_gpu_mem(smumgr->device,
+			(cgs_handle_t)priv->smu_tables.entry[PPTABLE].handle);
+			cgs_free_gpu_mem(smumgr->device,
+			(cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
+			cgs_free_gpu_mem(smumgr->device,
+			(cgs_handle_t)priv->smu_tables.entry[AVFSTABLE].handle);
+			cgs_free_gpu_mem(smumgr->device,
+			(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
+			cgs_free_gpu_mem(smumgr->device,
+			(cgs_handle_t)handle);
+			return -1);
+
+	priv->smu_tables.entry[AVFSFUSETABLE].version = 0x01;
+	priv->smu_tables.entry[AVFSFUSETABLE].size = sizeof(AvfsFuseOverride_t);
+	priv->smu_tables.entry[AVFSFUSETABLE].table_id = TABLE_AVFS_FUSE_OVERRIDE;
+	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_high =
+			smu_upper_32_bits(mc_addr);
+	priv->smu_tables.entry[AVFSFUSETABLE].table_addr_low =
+			smu_lower_32_bits(mc_addr);
+	priv->smu_tables.entry[AVFSFUSETABLE].table = kaddr;
+	priv->smu_tables.entry[AVFSFUSETABLE].handle = handle;
+
 	return 0;
 }
 
@@ -530,6 +564,8 @@ static int vega10_smu_fini(struct pp_smumgr *smumgr)
 		if (priv->smu_tables.entry[TOOLSTABLE].table)
 			cgs_free_gpu_mem(smumgr->device,
 					(cgs_handle_t)priv->smu_tables.entry[TOOLSTABLE].handle);
+		cgs_free_gpu_mem(smumgr->device,
+				(cgs_handle_t)priv->smu_tables.entry[AVFSFUSETABLE].handle);
 		kfree(smumgr->backend);
 		smumgr->backend = NULL;
 	}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.h
index 71e9b64..821425c 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.h
@@ -30,6 +30,7 @@ enum smu_table_id {
 	WMTABLE,
 	AVFSTABLE,
 	TOOLSTABLE,
+	AVFSFUSETABLE,
 	MAX_SMU_TABLE,
 };
 
-- 
1.9.1



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