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video: add VPL ioctl to get bus format 

The i.MX specific DI_MODE VPL ioctl already allows to query the encoder
input bus format. This patch also allows non-i.MX specific encoder drivers
to report their input bus format.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Philipp Zabel 2016-08-24 12:40:18 +02:00 committed by Sascha Hauer
parent 1be6d321ef
commit da03ce9c18
2 changed files with 7 additions and 2 deletions
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8
drivers/video/imx-ipu-v3/ipufb.c
View File

@ -109,7 +109,7 @@ int ipu_crtc_mode_set(struct ipufb_info *fbi,
int ret;
struct ipu_di_signal_cfg sig_cfg = {};
struct ipu_di_mode di_mode = {};
u32 bus_format;
u32 bus_format = 0;
dev_info(fbi->dev, "%s: mode->xres: %d\n", __func__,
mode->xres);
@ -117,7 +117,11 @@ int ipu_crtc_mode_set(struct ipufb_info *fbi,
mode->yres);
vpl_ioctl(&fbi->vpl, 2 + fbi->dino, IMX_IPU_VPL_DI_MODE, &di_mode);
bus_format = di_mode.bus_format ?: fbi->bus_format;
vpl_ioctl(&fbi->vpl, 2 + fbi->dino, VPL_GET_BUS_FORMAT, &bus_format);
if (bus_format)
di_mode.di_clkflags = IPU_DI_CLKMODE_NON_FRACTIONAL;
else
bus_format = di_mode.bus_format ?: fbi->bus_format;
if (mode->sync & FB_SYNC_HOR_HIGH_ACT)
sig_cfg.Hsync_pol = 1;

1
include/video/vpl.h
View File

@ -8,6 +8,7 @@
#define VPL_ENABLE 0x67660003
#define VPL_DISABLE 0x67660004
#define VPL_GET_VIDEOMODES 0x67660005
#define VPL_GET_BUS_FORMAT 0x67660006
struct vpl {
int (*ioctl)(struct vpl *, unsigned int port,