drm/amdgpu: Remove check which is not valid for certain VBIOS

commit ab6613b7eaefe85dadfc86025e901c55d71c0379 upstream.

Fixes vbios fetching on certain headless boards.

Signed-off-by: Ken Wang <Ken.Wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@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/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index c21adf6..057e1ec 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -59,12 +59,6 @@ static bool check_atom_bios(uint8_t *bios, size_t size)
                return false;
        }
 
-       tmp = bios[0x18] | (bios[0x19] << 8);
-       if (bios[tmp + 0x14] != 0x0) {
-               DRM_INFO("Not an x86 BIOS ROM\n");
-               return false;
-       }
-
        bios_header_start = bios[0x48] | (bios[0x49] << 8);
        if (!bios_header_start) {
                DRM_INFO("Can't locate bios header\n");