[PATCH 4/6] drm/amdgpu: Disable fetch discovery data from vram for navi12 sriov

[Deng, Emily]

[AMD Official Use Only - Internal Distribution Only]

Ping .....

>-----Original Message-----
>From: Emily Deng <Emily.Deng at amd.com>
>Sent: Tuesday, March 30, 2021 12:42 PM
>To: amd-gfx at lists.freedesktop.org
>Cc: Deng, Emily <Emily.Deng at amd.com>
>Subject: [PATCH 4/6] drm/amdgpu: Disable fetch discovery data from vram for
>navi12 sriov
>
>To fix the board disappear issue.
>
>Signed-off-by: Emily Deng <Emily.Deng at amd.com>
>---
> drivers/gpu/drm/amd/amdgpu/nv.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c
>b/drivers/gpu/drm/amd/amdgpu/nv.c index 46d4bbabce75..48dc171bc759
>100644
>--- a/drivers/gpu/drm/amd/amdgpu/nv.c
>+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
>@@ -693,6 +693,10 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
> adev->nbio.funcs = &nbio_v2_3_funcs;
> adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg;
> }
>+
>+if (amdgpu_sriov_vf(adev) && adev->asic_type == CHIP_NAVI12)
>+amdgpu_discovery = 0;
>+
> adev->hdp.funcs = &hdp_v5_0_funcs;
>
> if (adev->asic_type >= CHIP_SIENNA_CICHLID)
>--
>2.25.1