Messages in this thread Patch in this message | | | From | Heiko Stuebner <> | Subject | [PATCH v5 2/4] drm/panel: p079zca: add variable unprepare_delay properties | Date | Mon, 2 Jul 2018 12:27:19 +0200 |
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From: Lin Huang <hl@rock-chips.com>
When panel power down, p079zca need delay between reset and disable power supply, but p097pfg does not need it. Similarly p097zca needs a delay after entering panel sleep mode. So add two delay properties, so we can meet these two panel power down sequence.
Signed-off-by: Lin Huang <hl@rock-chips.com> [add sleep-mode delay] Signed-off-by: Heiko Stuebner <heiko@sntech.de> --- drivers/gpu/drm/panel/panel-innolux-p079zca.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-innolux-p079zca.c b/drivers/gpu/drm/panel/panel-innolux-p079zca.c index 840ad4a6a6a6..630b0c2549ef 100644 --- a/drivers/gpu/drm/panel/panel-innolux-p079zca.c +++ b/drivers/gpu/drm/panel/panel-innolux-p079zca.c @@ -33,6 +33,8 @@ struct panel_desc { unsigned int lanes; const char * const *supply_names; unsigned int num_supplies; + unsigned int sleep_mode_delay; + unsigned int power_down_delay; }; struct innolux_panel { @@ -89,10 +91,13 @@ static int innolux_panel_unprepare(struct drm_panel *panel) return err; } + if (innolux->desc->sleep_mode_delay) + msleep(innolux->desc->sleep_mode_delay); + gpiod_set_value_cansleep(innolux->enable_gpio, 0); - /* T8: 80ms - 1000ms */ - msleep(80); + if (innolux->desc->power_down_delay) + msleep(innolux->desc->power_down_delay); regulator_bulk_disable(innolux->desc->num_supplies, innolux->supplies); @@ -205,6 +210,7 @@ static const struct panel_desc innolux_p079zca_panel_desc = { .lanes = 4, .supply_names = innolux_p079zca_supply_names, .num_supplies = ARRAY_SIZE(innolux_p079zca_supply_names), + .power_down_delay = 80, /* T8: 80ms - 1000ms */ }; static int innolux_panel_get_modes(struct drm_panel *panel) -- 2.17.0
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