[PATCH v8 27/34] media: imx: csi: increase burst size for YUV formats
From: slongerbeam@gmail.com (Steve Longerbeam)
Date: 2017-06-07 18:35:38
Also in:
linux-devicetree, linux-media, lkml
Subsystem:
media drivers for freescale imx, media input infrastructure (v4l/dvb), staging subsystem, the rest · Maintainers:
Steve Longerbeam, Philipp Zabel, Mauro Carvalho Chehab, Greg Kroah-Hartman, Linus Torvalds
From: Philipp Zabel <p.zabel@pengutronix.de> The IDMAC supports burst sizes of up to 32 pixels for interleaved YUV formats and up to 64 pixels for planar YUV formats. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> --- drivers/staging/media/imx/imx-media-csi.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index 83c8697..b9220cc 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c@@ -332,6 +332,23 @@ static int csi_idmac_setup_channel(struct csi_priv *priv) passthrough = true; passthrough_bits = 16; break; + case V4L2_PIX_FMT_YUV420: + case V4L2_PIX_FMT_NV12: + burst_size = (image.pix.width & 0x3f) ? + ((image.pix.width & 0x1f) ? + ((image.pix.width & 0xf) ? 8 : 16) : 32) : 64; + passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 && + sensor_ep->bus.parallel.bus_width >= 16); + passthrough_bits = 16; + break; + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_UYVY: + burst_size = (image.pix.width & 0x1f) ? + ((image.pix.width & 0xf) ? 8 : 16) : 32; + passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 && + sensor_ep->bus.parallel.bus_width >= 16); + passthrough_bits = 16; + break; default: burst_size = (image.pix.width & 0xf) ? 8 : 16; passthrough = (sensor_ep->bus_type != V4L2_MBUS_CSI2 &&
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2.7.4