drm/amdgpu: Move to common helper to query soc rev_id

Replace soc15, nv, soc21 get_rev_id callback with common
helper so we don't need to duplicate code when introduce
new asics.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu.h

@@ -1118,7 +1118,7 @@ void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
 				 u32 reg_addr, u32 reg_data);
 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
 				   u32 reg_addr, u64 reg_data);
-
+u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev);
 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
 

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -807,6 +807,18 @@ void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 }
 
+/**
+ * amdgpu_device_get_rev_id - query device rev_id
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Return device rev_id
+ */
+u32 amdgpu_device_get_rev_id(struct amdgpu_device *adev)
+{
+	return adev->nbio.funcs->get_rev_id(adev);
+}
+
 /**
  * amdgpu_invalid_rreg - dummy reg read function
  *

drivers/gpu/drm/amd/amdgpu/nv.c

@@ -567,11 +567,6 @@ void nv_set_virt_ops(struct amdgpu_device *adev)
 	adev->virt.ops = &xgpu_nv_virt_ops;
 }
 
-static uint32_t nv_get_rev_id(struct amdgpu_device *adev)
-{
-	return adev->nbio.funcs->get_rev_id(adev);
-}
-
 static bool nv_need_full_reset(struct amdgpu_device *adev)
 {
 	return true;
@@ -713,7 +708,7 @@ static int nv_common_early_init(void *handle)
 
 	adev->asic_funcs = &nv_asic_funcs;
 
-	adev->rev_id = nv_get_rev_id(adev);
+	adev->rev_id = amdgpu_device_get_rev_id(adev);
 	adev->external_rev_id = 0xff;
 	/* TODO: split the GC and PG flags based on the relevant IP version for which
 	 * they are relevant.

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -654,11 +654,6 @@ const struct amdgpu_ip_block_version vega10_common_ip_block =
 	.funcs = &soc15_common_ip_funcs,
 };
 
-static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
-{
-	return adev->nbio.funcs->get_rev_id(adev);
-}
-
 static void soc15_reg_base_init(struct amdgpu_device *adev)
 {
 	/* Set IP register base before any HW register access */
@@ -908,7 +903,7 @@ static int soc15_common_early_init(void *handle)
 	adev->se_cac_rreg = &soc15_se_cac_rreg;
 	adev->se_cac_wreg = &soc15_se_cac_wreg;
 
-	adev->rev_id = soc15_get_rev_id(adev);
+	adev->rev_id = amdgpu_device_get_rev_id(adev);
 	adev->external_rev_id = 0xFF;
 	/* TODO: split the GC and PG flags based on the relevant IP version for which
 	 * they are relevant.

drivers/gpu/drm/amd/amdgpu/soc21.c

@@ -481,11 +481,6 @@ const struct amdgpu_ip_block_version soc21_common_ip_block =
 	.funcs = &soc21_common_ip_funcs,
 };
 
-static uint32_t soc21_get_rev_id(struct amdgpu_device *adev)
-{
-	return adev->nbio.funcs->get_rev_id(adev);
-}
-
 static bool soc21_need_full_reset(struct amdgpu_device *adev)
 {
 	switch (adev->ip_versions[GC_HWIP][0]) {
@@ -626,7 +621,7 @@ static int soc21_common_early_init(void *handle)
 
 	adev->asic_funcs = &soc21_asic_funcs;
 
-	adev->rev_id = soc21_get_rev_id(adev);
+	adev->rev_id = amdgpu_device_get_rev_id(adev);
 	adev->external_rev_id = 0xff;
 	switch (adev->ip_versions[GC_HWIP][0]) {
 	case IP_VERSION(11, 0, 0):