On Wed, 27 Jan 2021 10:00:13 +0100 Geert Uytterhoeven geert@linux-m68k.org wrote:
Hi Carlis,
On Wed, Jan 27, 2021 at 9:52 AM Carlis zhangxuezhi3@gmail.com wrote:
From: zhangxuezhi zhangxuezhi1@yulong.com
For st7789v ic,add tearing signal detect to avoid screen tearing
Signed-off-by: zhangxuezhi zhangxuezhi1@yulong.com
Thanks for your patch!
--- a/drivers/staging/fbtft/fb_st7789v.c +++ b/drivers/staging/fbtft/fb_st7789v.c
@@ -82,6 +111,34 @@ enum st7789v_command { */ static int init_display(struct fbtft_par *par) {
int rc;struct device *dev = par->info->device;par->gpio.te = devm_gpiod_get_index_optional(dev, "te", 0,GPIOD_IN);
if (IS_ERR(par->gpio.te)) {rc = PTR_ERR(par->gpio.te);pr_err("Failed to request te gpio: %d\n", rc);par->gpio.te = NULL;Errors (e.g. -EPROBE_DEFER) should be propagated upstream, not ignored.
}if (par->gpio.te) {init_completion(&spi_panel_te);mutex_init(&te_mutex);rc = devm_request_irq(dev,gpiod_to_irq(par->gpio.te),spi_panel_te_handler,IRQF_TRIGGER_RISING,
"TE_GPIO", par);if (rc) {pr_err("TE request_irq failed.\n");devm_gpiod_put(dev, par->gpio.te);par->gpio.te = NULL;Errors (e.g. -EPROBE_DEFER) should be propagated upstream, not ignored.
} else {disable_irq_nosync(gpiod_to_irq(par->gpio.te));
pr_info("TE request_irq completion.\n");}} else {pr_info("%s:%d, TE gpio not specified\n",__func__, __LINE__);} /* turn off sleep mode */ write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE); mdelay(120);Gr{oetje,eeting}s,
Geert
hi,i will fix in the patch v7