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From 0fa6300d392d27e7f205c62b43a366a679b3d016 Mon Sep 17 00:00:00 2001
From: Yintian Tao <yttao@amd.com>
Date: Tue, 16 Apr 2019 14:04:38 +0800
Subject: [PATCH 1795/2940] drm/amdgpu: disable DRIVER_ATOMIC under SRIOV
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>
Acked-by: Alex Deucher <alexander.deucher@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 36bb4a0ae1bb..a1b49bab4588 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;
}
--
2.17.1
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