drm/amdgpu: fix byteorder error in amdgpu discovery

fix some byteorder issues about amdgpu discovery.
This will result in running errors on the big end system. (e.g:MIPS)

Signed-off-by: Yang Wang <KevinYang.Wang@amd.com>
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 4e3669407518f9213d32f08252bb9689543167fb..503995c7ff6c1e6acd85eef8f3d298918e70c490 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -248,8 +248,8 @@ get_from_vram:
 
        offset = offsetof(struct binary_header, binary_checksum) +
                sizeof(bhdr->binary_checksum);
-       size = bhdr->binary_size - offset;
-       checksum = bhdr->binary_checksum;
+       size = le16_to_cpu(bhdr->binary_size) - offset;
+       checksum = le16_to_cpu(bhdr->binary_checksum);
 
        if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
                                              size, checksum)) {
@@ -270,7 +270,7 @@ get_from_vram:
        }
 
        if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
-                                             ihdr->size, checksum)) {
+                                             le16_to_cpu(ihdr->size), checksum)) {
                DRM_ERROR("invalid ip discovery data table checksum\n");
                r = -EINVAL;
                goto out;
@@ -282,7 +282,7 @@ get_from_vram:
        ghdr = (struct gpu_info_header *)(adev->mman.discovery_bin + offset);
 
        if (!amdgpu_discovery_verify_checksum(adev->mman.discovery_bin + offset,
-                                             ghdr->size, checksum)) {
+                                             le32_to_cpu(ghdr->size), checksum)) {
                DRM_ERROR("invalid gc data table checksum\n");
                r = -EINVAL;
                goto out;
@@ -489,10 +489,10 @@ void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
                        le16_to_cpu(bhdr->table_list[HARVEST_INFO].offset));
 
        for (i = 0; i < 32; i++) {
-               if (le32_to_cpu(harvest_info->list[i].hw_id) == 0)
+               if (le16_to_cpu(harvest_info->list[i].hw_id) == 0)
                        break;
 
-               switch (le32_to_cpu(harvest_info->list[i].hw_id)) {
+               switch (le16_to_cpu(harvest_info->list[i].hw_id)) {
                case VCN_HWID:
                        vcn_harvest_count++;
                        if (harvest_info->list[i].number_instance == 0)