On Wed, 27 Jan 2021 14:11:31 +0100 Greg KH gregkh@linuxfoundation.org wrote:
On Wed, Jan 27, 2021 at 08:57:37PM +0800, Carlis wrote:
From: zhangxuezhi zhangxuezhi1@yulong.com
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@yulong.com
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?
hi,the units is msecs,and i got this value from a qcom mdp spi drivers,and i will add the notes you need in the patch v10
+static struct mutex te_mutex;/*mutex for tearing line*/
Does that look correct???
thanks,
greg k-h