On Wed, Jan 27, 2021 at 08:57:37PM +0800, Carlis wrote: > From: zhangxuezhi <zhangxuezhi1@xxxxxxxxxx> > > For st7789v ic,add tearing signal detect to avoid screen tearing I need a much better changelog description here please. > > Signed-off-by: zhangxuezhi <zhangxuezhi1@xxxxxxxxxx> > --- > v9: change pr_* to dev_* > --- What changed in all of your previous versions? All of them should be listed here, right? > drivers/staging/fbtft/fb_st7789v.c | 132 ++++++++++++++++++++++++++++++++++++- > drivers/staging/fbtft/fbtft.h | 1 + > 2 files changed, 132 insertions(+), 1 deletion(-) > > diff --git a/drivers/staging/fbtft/fb_st7789v.c b/drivers/staging/fbtft/fb_st7789v.c > index 3a280cc..9aa2f36 100644 > --- a/drivers/staging/fbtft/fb_st7789v.c > +++ b/drivers/staging/fbtft/fb_st7789v.c > @@ -9,9 +9,12 @@ > #include <linux/delay.h> > #include <linux/init.h> > #include <linux/kernel.h> > +#include <linux/mutex.h> > +#include <linux/interrupt.h> > +#include <linux/completion.h> > #include <linux/module.h> > #include <video/mipi_display.h> > - > +#include <linux/gpio/consumer.h> > #include "fbtft.h" > > #define DRVNAME "fb_st7789v" > @@ -66,6 +69,32 @@ enum st7789v_command { > #define MADCTL_MX BIT(6) /* bitmask for column address order */ > #define MADCTL_MY BIT(7) /* bitmask for page address order */ > > +#define SPI_PANEL_TE_TIMEOUT 400 What is the units here? Where did this value come from? > +static struct mutex te_mutex;/*mutex for tearing line*/ Does that look correct??? thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel