[PATCH 1/5] drm/amdgpu: convert logical instance mask to physical one

[Alex Deucher]

From: Tao Zhou <tao.zhou1 at amd.com>

Convert instance mask for the convenience of RAS TA.

Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Stanley.Yang <Stanley.Yang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h            |  6 ++++--
 .../drm/amd/amdgpu/aqua_vanjaram_reg_init.c    | 18 ++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/soc15_common.h      |  7 ++++++-
 3 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 4fb43baddf96..22f1e197cc09 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -698,12 +698,14 @@ enum amd_hw_ip_block_type {
 #define IP_VERSION_REV(ver) ((ver) & 0xFF)
 
 struct amdgpu_ip_map_info {
-	/* Map of logical to actual dev instances */
+	/* Map of logical to actual dev instances/mask */
 	uint32_t 		dev_inst[MAX_HWIP][HWIP_MAX_INSTANCE];
 	int8_t (*logical_to_dev_inst)(struct amdgpu_device *adev,
 				      enum amd_hw_ip_block_type block,
 				      int8_t inst);
-
+	uint32_t (*logical_to_dev_mask)(struct amdgpu_device *adev,
+					enum amd_hw_ip_block_type block,
+					uint32_t mask);
 };
 
 struct amd_powerplay {
diff --git a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
index 93e9f947a85d..68d1a0fc5f5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
+++ b/drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
@@ -229,6 +229,23 @@ static int8_t aqua_vanjaram_logical_to_dev_inst(struct amdgpu_device *adev,
 	return dev_inst;
 }
 
+static uint32_t aqua_vanjaram_logical_to_dev_mask(struct amdgpu_device *adev,
+					 enum amd_hw_ip_block_type block,
+					 uint32_t mask)
+{
+	uint32_t dev_mask = 0;
+	int8_t log_inst, dev_inst;
+
+	while (mask) {
+		log_inst = ffs(mask) - 1;
+		dev_inst = aqua_vanjaram_logical_to_dev_inst(adev, block, log_inst);
+		dev_mask |= (1 << dev_inst);
+		mask &= ~(1 << log_inst);
+	}
+
+	return dev_mask;
+}
+
 static void aqua_vanjaram_populate_ip_map(struct amdgpu_device *adev,
 					  enum amd_hw_ip_block_type ip_block,
 					  uint32_t inst_mask)
@@ -257,6 +274,7 @@ void aqua_vanjaram_ip_map_init(struct amdgpu_device *adev)
 		aqua_vanjaram_populate_ip_map(adev, ip_map[i][0], ip_map[i][1]);
 
 	adev->ip_map.logical_to_dev_inst = aqua_vanjaram_logical_to_dev_inst;
+	adev->ip_map.logical_to_dev_mask = aqua_vanjaram_logical_to_dev_mask;
 }
 
 /* Fixed pattern for smn addressing on different AIDs:
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15_common.h b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
index 3730c5ec202f..96948a59f8dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15_common.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
@@ -25,7 +25,12 @@
 #define __SOC15_COMMON_H__
 
 /* GET_INST returns the physical instance corresponding to a logical instance */
-#define GET_INST(ip, inst) (adev->ip_map.logical_to_dev_inst? adev->ip_map.logical_to_dev_inst(adev, ip##_HWIP, inst): inst)
+#define GET_INST(ip, inst) \
+	(adev->ip_map.logical_to_dev_inst ? \
+	adev->ip_map.logical_to_dev_inst(adev, ip##_HWIP, inst) : inst)
+#define GET_MASK(ip, mask) \
+	(adev->ip_map.logical_to_dev_mask ? \
+	adev->ip_map.logical_to_dev_mask(adev, ip##_HWIP, mask) : mask)
 
 /* Register Access Macros */
 #define SOC15_REG_OFFSET(ip, inst, reg)	(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
-- 
2.40.1