[PATCH 4.14 66/95] drm/amdgpu: Remove check which is not valid for certain VBIOS

From: Greg Kroah-Hartman
Date: Mon Dec 04 2017 - 11:15:00 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Ken Wang <Ken.Wang@xxxxxxx>

commit ab6613b7eaefe85dadfc86025e901c55d71c0379 upstream.

Fixes vbios fetching on certain headless boards.

Signed-off-by: Ken Wang <Ken.Wang@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 6 ------
1 file changed, 6 deletions(-)

--- 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 *bio
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");