[PATCH xf86-video-ati 2/2] present: Support async flips

[Alex Deucher]

On Fri, Apr 1, 2016 at 5:52 AM, Michel Dänzer <michel at daenzer.net> wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
>
> The xserver Present code only calls radeon_present_flip with
> sync_flip=FALSE if radeon_present_screen_init sets
> PresentCapabilityAsync, and the latter only sets it if the kernel driver
> advertises support for async flips.
>
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

For the series:
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>


> ---
>  src/radeon_present.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/src/radeon_present.c b/src/radeon_present.c
> index c012fed..1eced4a 100644
> --- a/src/radeon_present.c
> +++ b/src/radeon_present.c
> @@ -248,9 +248,6 @@ radeon_present_check_flip(RRCrtcPtr crtc, WindowPtr window, PixmapPtr pixmap,
>      if (info->hwcursor_disabled)
>         return FALSE;
>
> -    if (!sync_flip)
> -       return FALSE;
> -
>      if (info->drmmode.dri2_flipping)
>         return FALSE;
>
> @@ -339,7 +336,7 @@ radeon_present_flip(RRCrtcPtr crtc, uint64_t event_id, uint64_t target_msc,
>                              event_id, event, crtc_id,
>                              radeon_present_flip_event,
>                              radeon_present_flip_abort,
> -                            FLIP_VSYNC);
> +                            sync_flip ? FLIP_VSYNC : FLIP_ASYNC);
>      if (!ret)
>         xf86DrvMsg(scrn->scrnIndex, X_ERROR, "present flip failed\n");
>      else
> --
> 2.8.0.rc3
>
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