drm/radeon: fix endian bugs in atom_allocate_fb_scratch()

Reviwed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drivers/gpu/drm/radeon/atom.c

@@ -1394,10 +1394,10 @@ int atom_allocate_fb_scratch(struct atom_context *ctx)
 		firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
 
 		DRM_DEBUG("atom firmware requested %08x %dkb\n",
-			  firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
-			  firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
+			  le32_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware),
+			  le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb));
 
-		usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+		usage_bytes = le16_to_cpu(firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb) * 1024;
 	}
 	ctx->scratch_size_bytes = 0;
 	if (usage_bytes == 0)