drm/amdgpu: refine ras codes for GC utc of aldebaran

The bank number of both VML2 and ATCL2 are changed to 8, so refine
related codes to avoid defining long name arrays.
Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -97,7 +97,7 @@ struct soc15_ras_field_entry {
 
 #define SOC15_REG_FIELD_VAL(val, mask, shift)	(((val) & mask) >> shift)
 
-#define SOC15_RAS_REG_FIELD_VAL(val, entry, field) SOC15_REG_FIELD_VAL(val, entry.field##_count_mask, entry.field##_count_shift)
+#define SOC15_RAS_REG_FIELD_VAL(val, entry, field) SOC15_REG_FIELD_VAL((val), (entry).field##_count_mask, (entry).field##_count_shift)
 
 void soc15_grbm_select(struct amdgpu_device *adev,
 		    u32 me, u32 pipe, u32 queue, u32 vmid);