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Groups > linux.kernel > #1292756
| From | Yakir Yang <ykk@rock-chips.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v11 18/19] drm: bridge: analogix/dp: add panel prepare/unprepare in suspend/resume time |
| Date | 2015-12-16 05:10 +0100 |
| Message-ID | <qGbzz-5gw-9@gated-at.bofh.it> (permalink) |
| References | <qGaWR-4Ns-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Turn off the panel power in suspend time would help to reduce
power waste.
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
---
Changes in v11: None
Changes in v10: None
Changes in v9: None
Changes in v8: None
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index d18054d..bc4a9e0 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1357,6 +1357,12 @@ int analogix_dp_suspend(struct device *dev)
struct analogix_dp_device *dp = dev_get_drvdata(dev);
clk_disable_unprepare(dp->clock);
+
+ if (dp->plat_data->panel) {
+ if (drm_panel_unprepare(dp->plat_data->panel))
+ DRM_ERROR("failed to turnoff the panel\n");
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(analogix_dp_suspend);
@@ -1372,6 +1378,13 @@ int analogix_dp_resume(struct device *dev)
return ret;
}
+ if (dp->plat_data->panel) {
+ if (drm_panel_prepare(dp->plat_data->panel)) {
+ DRM_ERROR("failed to setup the panel\n");
+ return -EBUSY;
+ }
+ }
+
return 0;
}
EXPORT_SYMBOL_GPL(analogix_dp_resume);
--
1.9.1
--
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[PATCH v11 0/19] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:30 +0100
[PATCH v11 02/19] drm: bridge: analogix/dp: fix some obvious code style Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:30 +0100
Re: [PATCH v11 02/19] drm: bridge: analogix/dp: fix some obvious code style "Jingoo Han" <jingoohan1@gmail.com> - 2015-12-22 13:10 +0100
Re: [PATCH v11 02/19] drm: bridge: analogix/dp: fix some obvious code style Yakir Yang <ykk@rock-chips.com> - 2015-12-23 02:00 +0100
[PATCH v11 03/19] drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:40 +0100
Re: [PATCH v11 03/19] drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count "Jingoo Han" <jingoohan1@gmail.com> - 2015-12-22 13:10 +0100
Re: [PATCH v11 03/19] drm: bridge: analogix/dp: remove duplicate configuration of link rate and link count Yakir Yang <ykk@rock-chips.com> - 2015-12-23 01:50 +0100
[PATCH v11 05/19] dt-bindings: add document for analogix display port driver Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:40 +0100
[PATCH v11 04/19] drm: bridge: analogix/dp: dynamic parse sync_pol & interlace & dynamic_range Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:40 +0100
[PATCH v11 06/19] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:40 +0100
Re: [PATCH v11 06/19] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver "Jingoo Han" <jingoohan1@gmail.com> - 2015-12-22 13:20 +0100
Re: [PATCH v11 06/19] ARM: dts: exynos/dp: remove some properties that deprecated by analogix_dp driver Yakir Yang <ykk@rock-chips.com> - 2015-12-23 01:50 +0100
[PATCH v11 07/19] drm: rockchip: dp: add rockchip platform dp driver Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:40 +0100
[PATCH v11 08/19] dt-bindings: add document for rockchip variant of analogix_dp Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:50 +0100
[PATCH v11 11/19] drm: rockchip: vop: add bpc and color mode setting Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:50 +0100
[PATCH v11 10/19] dt-bindings: add document for rockchip dp phy Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:50 +0100
[PATCH v11 09/19] phy: Add driver for rockchip Display Port PHY Yakir Yang <ykk@rock-chips.com> - 2015-12-16 04:50 +0100
Re: [PATCH v11 09/19] phy: Add driver for rockchip Display Port PHY "Jingoo Han" <jingoohan1@gmail.com> - 2015-12-22 13:30 +0100
Re: [PATCH v11 09/19] phy: Add driver for rockchip Display Port PHY Yakir Yang <ykk@rock-chips.com> - 2015-12-23 01:50 +0100
[PATCH v11 16/19] drm: bridge: analogix/dp: add edid modes parse in get_modes method Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:00 +0100
[PATCH v11 14/19] drm: bridge: analogix/dp: try force hpd after plug in lookup failed Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:00 +0100
[PATCH v11 15/19] drm: bridge: analogix/dp: move hpd detect to connector detect function Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:00 +0100
[PATCH v11 17/19] drm: bridge: analogix/dp: expand the look time for waiting AUX CH reply Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:00 +0100
Re: [PATCH v11 17/19] drm: bridge: analogix/dp: expand the look time for waiting AUX CH reply "Jingoo Han" <jingoohan1@gmail.com> - 2015-12-22 13:30 +0100
Re: [PATCH v11 17/19] drm: bridge: analogix/dp: expand the look time for waiting AUX CH reply Yakir Yang <ykk@rock-chips.com> - 2015-12-23 05:30 +0100
Re: [PATCH v11 17/19] drm: bridge: analogix/dp: expand the look time for waiting AUX CH reply Yakir Yang <ykk@rock-chips.com> - 2015-12-23 07:10 +0100
Re: [PATCH v11 17/19] drm: bridge: analogix/dp: expand the look time for waiting AUX CH reply "Jingoo Han" <jingoohan1@gmail.com> - 2015-12-23 16:20 +0100
[PATCH v11 13/19] drm: bridge: analogix/dp: add max link rate and lane count limit for RK3288 Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:00 +0100
[PATCH v11 12/19] drm: bridge: analogix/dp: add some rk3288 special registers setting Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:00 +0100
[PATCH v11 19/19] drm: bridge: analogix/dp: Fix the possible dead lock in bridge disable time Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:10 +0100
[PATCH v11 18/19] drm: bridge: analogix/dp: add panel prepare/unprepare in suspend/resume time Yakir Yang <ykk@rock-chips.com> - 2015-12-16 05:10 +0100
Re: [PATCH v11 0/19] Add Analogix Core Display Port Driver Heiko Stübner <heiko@sntech.de> - 2015-12-18 01:00 +0100
Re: [PATCH v11 0/19] Add Analogix Core Display Port Driver Yakir Yang <ykk@rock-chips.com> - 2015-12-18 01:40 +0100
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