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drm/amdgpu/virt: fix handling of the atomic flag 

Use the per device drm driver feature flags rather than the
global one.  This way we can make the drm driver struct const.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201104100425.1922351-3-daniel.vetter@ffwll.ch
This commit is contained in:
Alex Deucher 2020-11-04 11:04:22 +01:00 committed by Daniel Vetter
parent 57bb1ee603
commit e431eb8089
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
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@ -47,11 +47,13 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
void amdgpu_virt_init_setting(struct amdgpu_device *adev)
{
struct drm_device *ddev = adev_to_drm(adev);
/* enable virtual display */
if (adev->mode_info.num_crtc == 0)
adev->mode_info.num_crtc = 1;
adev->enable_virtual_display = true;
adev_to_drm(adev)->driver->driver_features &= ~DRIVER_ATOMIC;
ddev->driver_features &= ~DRIVER_ATOMIC;
adev->cg_flags = 0;
adev->pg_flags = 0;
}