On Thu, Oct 23, 2025 at 04:06:04PM +0800, yuanjie yang wrote: > From: Yuanjie Yang <[email protected]> > > The NT37801 Sepc V1.0 chapter "5.7.1 Power On Sequence" states > VDDI=1.65V~1.95V, so set sufficient voltage for panel nt37801. > > Signed-off-by: Yongxing Mou <[email protected]> > Signed-off-by: Yuanjie Yang <[email protected]> > --- > drivers/gpu/drm/panel/panel-novatek-nt37801.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/gpu/drm/panel/panel-novatek-nt37801.c > b/drivers/gpu/drm/panel/panel-novatek-nt37801.c > index d6a37d7e0cc6..7eda16e0c1f9 100644 > --- a/drivers/gpu/drm/panel/panel-novatek-nt37801.c > +++ b/drivers/gpu/drm/panel/panel-novatek-nt37801.c > @@ -267,6 +267,11 @@ static int novatek_nt37801_probe(struct mipi_dsi_device > *dsi) > if (ret < 0) > return ret; > > + ret = regulator_set_voltage(ctx->supplies[0].consumer, > + 1650000, 1950000);
This should be done in the DT. Limit the voltage per the user. > + if (ret < 0) > + return ret; > + > ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); > if (IS_ERR(ctx->reset_gpio)) > return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), > -- > 2.34.1 > -- With best wishes Dmitry
