[PATCH xf86-video-ati 3/3] Handle rotation in the driver also with Xorg 1.12-1.18

[Alex Deucher]

On Tue, Feb 28, 2017 at 3:59 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> We cannot use the HW cursor in that case, but in turn we get more
> efficient and less teary updates of rotated outputs.
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

Series is:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  src/drmmode_display.c | 13 +++++--------
>  1 file changed, 5 insertions(+), 8 deletions(-)
>
> diff --git a/src/drmmode_display.c b/src/drmmode_display.c
> index 38b36b244..9c69b5562 100644
> --- a/src/drmmode_display.c
> +++ b/src/drmmode_display.c
> @@ -673,23 +673,20 @@ drmmode_crtc_update_tear_free(xf86CrtcPtr crtc)
>
>  #if XF86_CRTC_VERSION >= 4
>
> +#if XF86_CRTC_VERSION < 7
> +#define XF86DriverTransformOutput TRUE
> +#define XF86DriverTransformNone FALSE
> +#endif
> +
>  static Bool
>  drmmode_handle_transform(xf86CrtcPtr crtc)
>  {
>         Bool ret;
>
> -#if XF86_CRTC_VERSION >= 7
>         if (crtc->transformPresent || crtc->rotation != RR_Rotate_0)
>             crtc->driverIsPerformingTransform = XF86DriverTransformOutput;
>         else
>             crtc->driverIsPerformingTransform = XF86DriverTransformNone;
> -#else
> -       drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
> -       RADEONInfoPtr info = RADEONPTR(crtc->scrn);
> -
> -       crtc->driverIsPerformingTransform = crtc->transformPresent ||
> -               (drmmode_crtc->tear_free && crtc->rotation != RR_Rotate_0);
> -#endif
>
>         ret = xf86CrtcRotate(crtc);
>
> --
> 2.11.0
>
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