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From: Yintian Tao <yttao-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Yintian Tao <yttao-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH] drm/amdgpu: disable DRIVER_ATOMIC under SRIOV
Date: Tue, 16 Apr 2019 14:09:01 +0800	[thread overview]
Message-ID: <1555394941-32159-1-git-send-email-yttao@amd.com> (raw)

Under SRIOV, we need disable DRIVER_ATOMIC.
Otherwise, it will trigger WARN_ON at drm_universal_plane_init.

Change-Id: I96a78d6e45b3a67ab9b9534e7071ae5daacc0f4f
Signed-off-by: Yintian Tao <yttao@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index 7e7f9ed..7d484fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -36,6 +36,7 @@ void amdgpu_virt_init_setting(struct amdgpu_device *adev)
 	/* enable virtual display */
 	adev->mode_info.num_crtc = 1;
 	adev->enable_virtual_display = true;
+	adev->ddev->driver->driver_features &= ~DRIVER_ATOMIC;
 	adev->cg_flags = 0;
 	adev->pg_flags = 0;
 }
-- 
2.7.4

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             reply	other threads:[~2019-04-16  6:09 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-16  6:09 Yintian Tao [this message]
     [not found] ` <1555394941-32159-1-git-send-email-yttao-5C7GfCeVMHo@public.gmane.org>
2019-04-17  1:53   ` [PATCH] drm/amdgpu: disable DRIVER_ATOMIC under SRIOV Tao, Yintian
2019-04-17  4:57   ` Alex Deucher

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