From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

As of commit 92ac7de3175e3 ("gpiolib: don't allow setting values on input
lines"), the GPIO core makes sure values cannot be set on input lines.
Remove the unnecessary check.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/gpu/drm/bridge/ti-sn65dsi86.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 78a50b947a08..3d0b4bc5129d 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -1677,11 +1677,6 @@ static int ti_sn_bridge_gpio_set(struct gpio_chip *chip, unsigned int offset,
 {
 	struct ti_sn65dsi86 *pdata = gpiochip_get_data(chip);
 
-	if (!test_bit(offset, pdata->gchip_output)) {
-		dev_err(pdata->dev, "Ignoring GPIO set while input\n");
-		return -EPERM;
-	}
-
 	val &= 1;
 	return regmap_update_bits(pdata->regmap, SN_GPIO_IO_REG,
 				  BIT(SN_GPIO_OUTPUT_SHIFT + offset),
-- 
2.48.1

Hi,

On Fri, Jun 20, 2025 at 12:50 AM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
>
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
>
> As of commit 92ac7de3175e3 ("gpiolib: don't allow setting values on input
> lines"), the GPIO core makes sure values cannot be set on input lines.
> Remove the unnecessary check.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> ---
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 5 -----
>  1 file changed, 5 deletions(-)

Reviewed-by: Douglas Anderson <dianders@chromium.org>

Hi,

On Wed, Jun 25, 2025 at 11:25 AM Doug Anderson <dianders@chromium.org> wrote:
>
> Hi,
>
> On Fri, Jun 20, 2025 at 12:50 AM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
> >
> > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> >
> > As of commit 92ac7de3175e3 ("gpiolib: don't allow setting values on input
> > lines"), the GPIO core makes sure values cannot be set on input lines.
> > Remove the unnecessary check.
> >
> > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> > ---
> >  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 5 -----
> >  1 file changed, 5 deletions(-)
>
> Reviewed-by: Douglas Anderson <dianders@chromium.org>

Pushed to drm-misc-next:

[1/1] drm/bridge: ti-sn65dsi86: remove unnecessary GPIO line direction check
      commit: bffc0692359f8d06d989657c00b274802a791692