drm/radeon: fix endian bugs in atom_allocate_fb_scratch()

commit beb71fc61c2cad64e347f164991b8ef476529e64 upstream.

Reviwed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 88661eaa2c747b34685d142ed44a48f44402d4c0..6b84d27924ef7ffc59b9bfb98d4a80cacfb3a691 100644 (file)
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1384,10 +1384,10 @@ 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)