| Message ID | 20210428115116.931328-1-hsinyi@chromium.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] drm/bridge: anx7625: Fix power on delay | expand |
Merged. https://cgit.freedesktop.org/drm/drm-misc/commit/?id=1fcf24fb07e254ca69001ab14adc8cf567127c44 On Wed, 28 Apr 2021 at 13:51, Hsin-Yi Wang <hsinyi@chromium.org> wrote: > From anx7625 spec, the delay between powering on power supplies and gpio > should be larger than 10ms. > > Fixes: 6c744983004e ("drm/bridge: anx7625: disable regulators when power > off") > Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> > Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> > --- > v1->v2: Extend sleep range a bit as the regulator on some device takes > more time to be powered on after regulator_enable() is called. > --- > drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c > b/drivers/gpu/drm/bridge/analogix/anx7625.c > index 23283ba0c4f9..b4e349ca38fe 100644 > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c > @@ -893,7 +893,7 @@ static void anx7625_power_on(struct anx7625_data *ctx) > usleep_range(2000, 2100); > } > > - usleep_range(4000, 4100); > + usleep_range(11000, 12000); > > /* Power on pin enable */ > gpiod_set_value(ctx->pdata.gpio_p_on, 1); > -- > 2.31.1.498.g6c1eba8ee3d-goog > >
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 23283ba0c4f9..b4e349ca38fe 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -893,7 +893,7 @@ static void anx7625_power_on(struct anx7625_data *ctx) usleep_range(2000, 2100); } - usleep_range(4000, 4100); + usleep_range(11000, 12000); /* Power on pin enable */ gpiod_set_value(ctx->pdata.gpio_p_on, 1);
From anx7625 spec, the delay between powering on power supplies and gpio should be larger than 10ms. Fixes: 6c744983004e ("drm/bridge: anx7625: disable regulators when power off") Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> --- v1->v2: Extend sleep range a bit as the regulator on some device takes more time to be powered on after regulator_enable() is called. --- drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)