From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 5 Jul 2017 15:17:00 -0400
Subject: drm/amdgpu/atom: fix atom_fw check
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Git-commit: 6c8855541492b3d812d55c9fe5a2ed17ddf022b8
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Not all vbios images seem to set the version appropriately.
Switch the check based on asic type instead.
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -86,19 +86,6 @@ static bool check_atom_bios(uint8_t *bio
return false;
}
-static bool is_atom_fw(uint8_t *bios)
-{
- uint16_t bios_header_start = bios[0x48] | (bios[0x49] << 8);
- uint8_t frev = bios[bios_header_start + 2];
- uint8_t crev = bios[bios_header_start + 3];
-
- if ((frev < 3) ||
- ((frev == 3) && (crev < 3)))
- return false;
-
- return true;
-}
-
/* If you boot an IGP board with a discrete card as the primary,
* the IGP rom is not accessible via the rom bar as the IGP rom is
* part of the system bios. On boot, the system bios puts a
@@ -455,6 +442,6 @@ bool amdgpu_get_bios(struct amdgpu_devic
return false;
success:
- adev->is_atom_fw = is_atom_fw(adev->bios);
+ adev->is_atom_fw = (adev->asic_type >= CHIP_VEGA10) ? true : false;
return true;
}