[PATCH v3 18/24] media: imx: Add SMFC subdev driver
From: linux@armlinux.org.uk (Russell King - ARM Linux)
Date: 2017-02-01 18:40:26
Also in:
linux-devicetree, linux-media, lkml
From: linux@armlinux.org.uk (Russell King - ARM Linux)
Date: 2017-02-01 18:40:26
Also in:
linux-devicetree, linux-media, lkml
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.