Messages in this thread | | | Date | Tue, 27 Nov 2018 10:03:44 +0100 | From | Maxime Ripard <> | Subject | Re: [PATCH v2 31/43] drm/sun4i: Add a dedicated ioctl call for allocating tiled buffers |
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On Fri, Nov 23, 2018 at 11:30:20AM +0000, Brian Starkey wrote: > Hi Paul, > > On Fri, Nov 23, 2018 at 10:25:03AM +0100, Paul Kocialkowski wrote: > >This introduces a dedicated ioctl for allocating buffers for the VPU > >tiling mode. It allows setting up buffers that comply to the hardware > >alignment requirements, by aligning the stride and height to 32 bytes. > > > >Only YUV semiplanar and planar formats are allowed by the ioctl, as the > >hardware does not support the tiling mode for other formats. > > What's the general feeling about a more generic version of this ioctl? > There doesn't seem to be anything Allwinner-specific in the ioctl > arguments.
I'm definitely in favor of having such an ioctl.
maxime
-- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com [unhandled content-type:application/pgp-signature] | |