From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Jonathan Liu <net147@gmail.com>,
Thierry Reding <treding@nvidia.com>
Subject: [PATCH 4.4 20/27] drm/panel: simple: Add missing panel_simple_unprepare() calls
Date: Mon, 4 Dec 2017 16:59:45 +0100 [thread overview]
Message-ID: <20171204155943.075302512@linuxfoundation.org> (raw)
In-Reply-To: <20171204155942.271814507@linuxfoundation.org>
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jonathan Liu <net147@gmail.com>
commit f3621a8eb59a913612c8e6e37d81f16b649f8b6c upstream.
During panel removal or system shutdown panel_simple_disable() is called
which disables the panel backlight but the panel is still powered due to
missing calls to panel_simple_unprepare().
Fixes: d02fd93e2cd8 ("drm/panel: simple - Disable panel on shutdown")
Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170807115545.27747-1-net147@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/panel/panel-simple.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -352,6 +352,7 @@ static int panel_simple_remove(struct de
drm_panel_remove(&panel->base);
panel_simple_disable(&panel->base);
+ panel_simple_unprepare(&panel->base);
if (panel->ddc)
put_device(&panel->ddc->dev);
@@ -367,6 +368,7 @@ static void panel_simple_shutdown(struct
struct panel_simple *panel = dev_get_drvdata(dev);
panel_simple_disable(&panel->base);
+ panel_simple_unprepare(&panel->base);
}
static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = {
next prev parent reply other threads:[~2017-12-04 16:01 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-04 15:59 [PATCH 4.4 00/27] 4.4.104-stable review Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 01/27] netlink: add a start callback for starting a netlink dump Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 02/27] ipsec: Fix aborted xfrm policy dump crash Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 03/27] x86/mm/pat: Ensure cpa->pfn only contains page frame numbers Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 04/27] x86/efi: Hoist page table switching code into efi_call_virt() Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 05/27] x86/efi: Build our own page table structures Greg Kroah-Hartman
2017-12-07 22:43 ` Ben Hutchings
2017-12-10 21:26 ` Greg Kroah-Hartman
2017-12-12 17:24 ` Ghannam, Yazen
2017-12-14 20:27 ` Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 06/27] ARM: dts: omap3: logicpd-torpedo-37xx-devkit: Fix MMC1 cd-gpio Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 07/27] x86/efi-bgrt: Fix kernel panic when mapping BGRT data Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 09/27] mm, thp: Do not make page table dirty unconditionally in touch_p[mu]d() Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 10/27] mm/madvise.c: fix madvise() infinite loop under special circumstances Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 11/27] btrfs: clear space cache inode generation always Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 15/27] mmc: core: Do not leave the block driver in a suspended state Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 16/27] eeprom: at24: check at24_read/write arguments Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 17/27] bcache: Fix building error on MIPS Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 19/27] drm/radeon: fix atombios on big endian Greg Kroah-Hartman
2017-12-04 15:59 ` Greg Kroah-Hartman [this message]
2017-12-04 15:59 ` [PATCH 4.4 21/27] mtd: nand: Fix writing mtdoops to nand flash Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 22/27] NFS: revalidate "." etc correctly on "open" Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 25/27] nfsd: Make init_open_stateid() a bit more whole Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 26/27] nfsd: Fix stateid races between OPEN and CLOSE Greg Kroah-Hartman
2017-12-04 15:59 ` [PATCH 4.4 27/27] nfsd: Fix another OPEN stateid race Greg Kroah-Hartman
2017-12-04 16:48 ` [PATCH 4.4 00/27] 4.4.104-stable review Nathan Chancellor
2017-12-04 18:36 ` Greg Kroah-Hartman
2017-12-04 20:14 ` Shuah Khan
2017-12-04 23:45 ` Guenter Roeck
2017-12-05 7:20 ` Naresh Kamboju
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