Commit 8eece29c authored by Alex Deucher's avatar Alex Deucher
Browse files

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



The table is in little endian format.

Acked-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent d1acd68b

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

+3 −3
Original line number Diff line number Diff line
@@ -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;