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

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The table is in little endian format.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2022-03-30 01:21:34 -04:00
parent d1acd68b2b
commit 8eece29c4e
1 changed files with 3 additions and 3 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+3 -3
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@@ -1172,7 +1172,7 @@ int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev)
bhdr = (struct binary_header *)adev->mman.discovery_bin; bhdr = (struct binary_header *)adev->mman.discovery_bin;
gc_info = (union gc_info *)(adev->mman.discovery_bin + gc_info = (union gc_info *)(adev->mman.discovery_bin +
le16_to_cpu(bhdr->table_list[GC].offset)); 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: case 1:
adev->gfx.config.max_shader_engines = le32_to_cpu(gc_info->v1.gc_num_se); 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) + 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: default:
dev_err(adev->dev, dev_err(adev->dev,
"Unhandled GC info table %d.%d\n", "Unhandled GC info table %d.%d\n",
gc_info->v1.header.version_major, le16_to_cpu(gc_info->v1.header.version_major),
gc_info->v1.header.version_minor); le16_to_cpu(gc_info->v1.header.version_minor));
return -EINVAL; return -EINVAL;
} }
return 0; return 0;