drm/amdgpu/discovery: fix byteswapping in gc info parsing

The table is in little endian format.

Acked-by: Christian König <christian.koenig@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 4871bd8..4a79330 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -1172,7 +1172,7 @@ int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev)
        bhdr = (struct binary_header *)adev->mman.discovery_bin;
        gc_info = (union gc_info *)(adev->mman.discovery_bin +
                        le16_to_cpu(bhdr->table_list[GC].offset));
-       switch (gc_info->v1.header.version_major) {
+       switch (le16_to_cpu(gc_info->v1.header.version_major)) {
        case 1:
                adev->gfx.config.max_shader_engines = le32_to_cpu(gc_info->v1.gc_num_se);
                adev->gfx.config.max_cu_per_sh = 2 * (le32_to_cpu(gc_info->v1.gc_num_wgp0_per_sa) +
@@ -1230,8 +1230,8 @@ int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev)
        default:
                dev_err(adev->dev,
                        "Unhandled GC info table %d.%d\n",
-                       gc_info->v1.header.version_major,
-                       gc_info->v1.header.version_minor);
+                       le16_to_cpu(gc_info->v1.header.version_major),
+                       le16_to_cpu(gc_info->v1.header.version_minor));
                return -EINVAL;
        }
        return 0;