From: Chris Morgan <macroalpha82@gmail.com>
To: linux-rockchip@lists.infradead.org
Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
sebastian.reichel@collabora.com, daniel@ffwll.ch,
airlied@gmail.com, sam@ravnborg.org, neil.armstrong@linaro.org,
heiko@sntech.de, conor+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org,
Chris Morgan <macromorgan@hotmail.com>
Subject: [PATCH V3 2/6] drm/panel: nv3051d: Hold panel in reset for unprepare
Date: Wed, 15 Nov 2023 18:17:38 -0600 [thread overview]
Message-ID: <20231116001742.2340646-3-macroalpha82@gmail.com> (raw)
In-Reply-To: <20231116001742.2340646-1-macroalpha82@gmail.com>
From: Chris Morgan <macromorgan@hotmail.com>
Improve the panel's ability to restore from suspend by holding the
panel in suspend after unprepare.
Fixes: b1d39f0f4264 ("drm/panel: Add NewVision NV3051D MIPI-DSI LCD panel")
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
drivers/gpu/drm/panel/panel-newvision-nv3051d.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c
index 79de6c886292..c44c6945662f 100644
--- a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c
+++ b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c
@@ -261,6 +261,8 @@ static int panel_nv3051d_unprepare(struct drm_panel *panel)
usleep_range(10000, 15000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+
regulator_disable(ctx->vdd);
return 0;
--
2.34.1
next prev parent reply other threads:[~2023-11-16 0:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-16 0:17 [PATCH V3 0/6] rockchip: Add Powkiddy RK2023 Chris Morgan
2023-11-16 0:17 ` [PATCH V3 1/6] dt-bindings: display: panel: Update NewVision NV3051D compatibles Chris Morgan
2023-11-16 20:25 ` Krzysztof Kozlowski
2023-11-16 0:17 ` Chris Morgan [this message]
2023-11-16 0:29 ` [PATCH V3 2/6] drm/panel: nv3051d: Hold panel in reset for unprepare Jessica Zhang
2023-11-16 0:17 ` [PATCH V3 3/6] nv3051d: Add Powkiddy RK2023 Panel Support Chris Morgan
2023-11-16 0:29 ` Jessica Zhang
2023-11-16 0:17 ` [PATCH V3 4/6] dt-bindings: arm: rockchip: Add Powkiddy RK2023 Chris Morgan
2023-11-16 0:17 ` [PATCH V3 5/6] arm64: dts: rockchip: Update powkiddy,rgb30 include to rk2023 DTSI Chris Morgan
2023-11-16 0:17 ` [PATCH V3 6/6] dt-bindings: arm: rockchip: Add Powkiddy RK2023 Chris Morgan
2023-11-16 20:25 ` Krzysztof Kozlowski
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