[PATCH xf86-video-ati] Unreference pixmap's FB with EXA as well in radeon_set_pixmap_bo

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Michel Dänzer
> Sent: Thursday, October 19, 2017 12:59 PM
> To: amd-gfx at lists.freedesktop.org
> Subject: [PATCH xf86-video-ati] Unreference pixmap's FB with EXA as well in
> radeon_set_pixmap_bo
> 
> From: Michel Dänzer <michel.daenzer at amd.com>
> 
> Not doing so resulted in DRI2 page flips not actually changing the FB
> being scanned out, showing intermittent flicker of the "back" buffer
> rendering.
> 
> Bugzilla: https://bugs.freedesktop.org/102643
> Fixes: 55e513b978b2 "Use reference counting for tracking KMS framebuffer
>                      lifetimes"
> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>

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

> ---
>  src/radeon.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/src/radeon.h b/src/radeon.h
> index 81b04ae24..d54e4990c 100644
> --- a/src/radeon.h
> +++ b/src/radeon.h
> @@ -769,6 +769,8 @@ static inline Bool radeon_set_pixmap_bo(PixmapPtr
> pPix, struct radeon_bo *bo)
>  	    if (driver_priv->bo)
>  		radeon_bo_unref(driver_priv->bo);
> 
> +	    drmmode_fb_reference(pRADEONEnt->fd, &driver_priv->fb,
> NULL);
> +
>  	    radeon_bo_ref(bo);
>  	    driver_priv->bo = bo;
> 
> --
> 2.14.2
> 
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