From: qianfan Zhao qianfanguijin@163.com
Keep the logo draw by bootloader
Signed-off-by: qianfan Zhao qianfanguijin@163.com --- drivers/staging/fbtft/fbtft-core.c | 6 ++++-- drivers/staging/fbtft/fbtft.h | 4 ++++ 2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index 37548848af99..d683c2c54131 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -713,6 +713,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, par->buf = buf; spin_lock_init(&par->dirty_lock); par->bgr = pdata->bgr; + par->keep_bootlogo = pdata->keep_bootlogo; par->startbyte = pdata->startbyte; par->init_sequence = init_sequence; par->gamma.curves = gamma_curves; @@ -838,8 +839,8 @@ int fbtft_register_framebuffer(struct fb_info *fb_info) goto reg_fail; }
- /* update the entire display */ - par->fbtftops.update_display(par, 0, par->info->var.yres - 1); + if (!par->keep_bootlogo) /* update the entire display */ + par->fbtftops.update_display(par, 0, par->info->var.yres - 1);
if (par->fbtftops.set_gamma && par->gamma.curves) { ret = par->fbtftops.set_gamma(par, par->gamma.curves); @@ -1176,6 +1177,7 @@ static struct fbtft_platform_data *fbtft_properties_read(struct device *dev) pdata->display.debug = fbtft_property_value(dev, "debug"); pdata->rotate = fbtft_property_value(dev, "rotate"); pdata->bgr = device_property_read_bool(dev, "bgr"); + pdata->keep_bootlogo = device_property_read_bool(dev, "keep-bootlogo"); pdata->fps = fbtft_property_value(dev, "fps"); pdata->txbuflen = fbtft_property_value(dev, "txbuflen"); pdata->startbyte = fbtft_property_value(dev, "startbyte"); diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h index 6751c129df4d..6232e203544a 100644 --- a/drivers/staging/fbtft/fbtft.h +++ b/drivers/staging/fbtft/fbtft.h @@ -126,6 +126,7 @@ struct fbtft_display { * @gpios: Pointer to an array of pinname to gpio mappings * @rotate: Display rotation angle * @bgr: LCD Controller BGR bit + * @keep_bootlogo: Keep the logo draw by bootloader * @fps: Frames per second (this will go away, use @fps in @fbtft_display) * @txbuflen: Size of transmit buffer * @startbyte: When set, enables use of Startbyte in transfers @@ -136,6 +137,7 @@ struct fbtft_platform_data { struct fbtft_display display; unsigned int rotate; bool bgr; + bool keep_bootlogo; unsigned int fps; int txbuflen; u8 startbyte; @@ -186,6 +188,7 @@ struct fbtft_platform_data { * @first_update_done: Used to only time the first display update * @update_time: Used to calculate 'fps' in debug output * @bgr: BGR mode/\n + * @keep_bootlogo: Keep the logo draw by bootloader * @extra: Extra info needed by driver */ struct fbtft_par { @@ -227,6 +230,7 @@ struct fbtft_par { bool first_update_done; ktime_t update_time; bool bgr; + bool keep_bootlogo; void *extra; };