Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1571890
| From | Russell King - ARM Linux <linux@armlinux.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 18/24] media: imx: Add SMFC subdev driver |
| Date | 2017-02-01 19:50 +0100 |
| Message-ID | <t688F-13B-1@gated-at.bofh.it> (permalink) |
| References | <sWOLT-2qI-3@gated-at.bofh.it> <sWOLU-2qI-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Steve, On Fri, Jan 06, 2017 at 06:11:36PM -0800, Steve Longerbeam wrote: > +/* > + * Min/Max supported width and heights. > + * > + * We allow planar output from the SMFC, so we have to align > + * output width by 16 pixels to meet IDMAC alignment requirements, > + * which also means input width must have the same alignment. > + */ > +#define MIN_W 176 > +#define MIN_H 144 > +#define MAX_W 8192 > +#define MAX_H 4096 > +#define W_ALIGN 4 /* multiple of 16 pixels */ Does this only apply to planar formats? I notice Philipp's driver allows 8 pixel alignment. If it's only for planar formats, it ought to determine the alignment based on the requested format rather than hard-coding it to the maximum alignment of all the supported formats. Thanks. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.
Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread
Re: [PATCH v3 18/24] media: imx: Add SMFC subdev driver Russell King - ARM Linux <linux@armlinux.org.uk> - 2017-02-01 19:50 +0100 Re: [PATCH v3 18/24] media: imx: Add SMFC subdev driver Steve Longerbeam <slongerbeam@gmail.com> - 2017-02-01 20:00 +0100
csiph-web