[PATCH 4/4] drm/amdgpu: Make VBIOS image read optional

[Deucher, Alexander]

[Public]

2-4 are:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
________________________________
From: Lazar, Lijo <Lijo.Lazar at amd.com>
Sent: Wednesday, February 5, 2025 6:38 AM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH 4/4] drm/amdgpu: Make VBIOS image read optional

Keep VBIOS image read optional for select SOCs in passthrough mode.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index ddccdceb1d2f..ade4d5cd45aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1397,6 +1397,9 @@ static uint32_t amdgpu_device_get_vbios_flags(struct amdgpu_device *adev)
         if (hweight32(adev->aid_mask) && (adev->flags & AMD_IS_APU))
                 return AMDGPU_VBIOS_SKIP;

+       if (hweight32(adev->aid_mask) && amdgpu_passthrough(adev))
+               return AMDGPU_VBIOS_OPTIONAL;
+
         return 0;
 }

--
2.25.1

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