On Wed, Jan 17, 2018 at 09:21:25AM +0100, Thomas Hellstrom wrote:
> From: Woody Suwalski <terraluna977@xxxxxxxxx>
>
> The 4.15 vmwgfx driver shows a warning during boot.
> It is caused by a mismatch between the result of vmw_enable_vblank()
> and what the drm_atomic_helper expects.
>
> Signed-off by: Woody Suwalski <terraluna977@xxxxxxxxx>
> Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
Just curious question, but why do you even have all that code? Not
enabling any of the vblank stuff should also work with atomic drivers, and
would require much less boilerplate ...
Either way: Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
> drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> index 641294a..fcd5814 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> @@ -1863,7 +1863,7 @@ u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
> */
> int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
> {
> - return -ENOSYS;
> + return -EINVAL;
> }
>
> /**
> --
> 2.7.4
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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