Message ID | 20240517143643.6.Id0659a80147cf51e0ebb8fe7fee18db86851960d@changeid (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/panel: Some very minor err handling fixes + more _multi | expand |
On Fri, May 17, 2024 at 02:36:41PM -0700, Douglas Anderson wrote: > The enable GPIO should clearly be set low before turning off > regulators. That matches both the inverse order that things were > enabled and also the order in unprepare(). > > Fixes: 0ef94554dc40 ("drm/panel: himax-hx83102: Break out as separate driver") > Signed-off-by: Douglas Anderson <dianders@chromium.org> > --- > > drivers/gpu/drm/panel/panel-himax-hx83102.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
diff --git a/drivers/gpu/drm/panel/panel-himax-hx83102.c b/drivers/gpu/drm/panel/panel-himax-hx83102.c index 1a6975937f30..4ac7f9d8b232 100644 --- a/drivers/gpu/drm/panel/panel-himax-hx83102.c +++ b/drivers/gpu/drm/panel/panel-himax-hx83102.c @@ -578,13 +578,13 @@ static int hx83102_prepare(struct drm_panel *panel) return 0; poweroff: + gpiod_set_value(ctx->enable_gpio, 0); regulator_disable(ctx->avee); poweroffavdd: regulator_disable(ctx->avdd); poweroff1v8: usleep_range(5000, 7000); regulator_disable(ctx->pp1800); - gpiod_set_value(ctx->enable_gpio, 0); return ret; }
The enable GPIO should clearly be set low before turning off regulators. That matches both the inverse order that things were enabled and also the order in unprepare(). Fixes: 0ef94554dc40 ("drm/panel: himax-hx83102: Break out as separate driver") Signed-off-by: Douglas Anderson <dianders@chromium.org> --- drivers/gpu/drm/panel/panel-himax-hx83102.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)