[PATCH] kernel/drm: vblank wait on crtc > 1

Michel Dänzer michel at daenzer.net
Tue Mar 22 04:12:04 PDT 2011

On Fre, 2011-03-18 at 16:58 -0500, Ilija Hadzic wrote: 
> This patch extends the interface to drm_wait_vblank ioctl so that crtc>1 
> can be represented. It also adds a new capability to drm_getcap ioctl so 
> that the user space can check whether the new interface to drm_wait_vblank 
> is supported (and fall back to the legacy interface if not)


You seem to have silently ignored my previous concerns and suggestions
about the handling of the high CRTC mask/shift.

> @@ -753,6 +755,7 @@ struct drm_event_vblank {
>   };
>   #define DRM_CAP_DUMB_BUFFER 0x1
> +#define DRM_CAP_HIGH_CRTC 0x2

Seems like a rather generic name, something like
DRM_CAP_VBLANK_HIGH_CRTC might be better.

Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer

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