drm/amdgpu: fix bad address translation for sienna_cichlid

Signed-off-by: Stanley.Yang <[e-mail]>
Reviewed-by: Hawking Zhang <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 #define __AMDGPU_UMC_H__
 
 /*
+ * (addr / 256) * 4096, the higher 26 bits in ErrorAddr
+ * is the index of 4KB block
+ */
+#define ADDR_OF_4KB_BLOCK(addr)			(((addr) & ~0xffULL) << 4)
+/*
  * (addr / 256) * 8192, the higher 26 bits in ErrorAddr
  * is the index of 8KB block
  */

drivers/gpu/drm/amd/amdgpu/umc_v8_7.c

···
 		err_addr &= ~((0x1ULL << lsb) - 1);
 
 		/* translate umc channel address to soc pa, 3 parts are included */
-		retired_page = ADDR_OF_8KB_BLOCK(err_addr) |
+		retired_page = ADDR_OF_4KB_BLOCK(err_addr) |
 				ADDR_OF_256B_BLOCK(channel_index) |
 				OFFSET_IN_256B_BLOCK(err_addr);