kernel/0001-drm-panel-st7703-Enter-sleep-after-display-off.patch

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kernel-5.8.0-0.rc5.1 * Mon Jul 13 2020 Fedora Kernel Team <kernel-team@fedoraproject.org> [5.8.0-0.rc5.1] - v5.8-rc5 rebase - arm64: dts: sun50i-a64-pinephone: Add touchscreen support (Ondrej Jirman) - arm64: dts: sun50i-a64-pinephone: Enable LCD support on PinePhone (Icenowy Zheng) - drm/panel: st7703: Assert reset prior to powering down the regulators (Ondrej Jirman) - drm/panel: st7703: Enter sleep after display off (Ondrej Jirman) - drm/panel: st7703: Add support for Xingbangda XBD599 (Ondrej Jirman) - drm/panel: st7703: Move generic part of init sequence to enable callback (Ondrej Jirman) - drm/panel: st7703: Move code specific to jh057n closer together (Ondrej Jirman) - drm/panel: st7703: Prepare for supporting multiple panels (Ondrej Jirman) - drm/panel: st7703: Rename functions from jh057n prefix to st7703 (Ondrej Jirman) - drm/panel: rocktech-jh057n00900: Rename the driver to st7703 (Ondrej Jirman) - dt-bindings: panel: Add compatible for Xingbangda XBD599 panel (Ondrej Jirman) - dt-bindings: panel: Convert rocktech, jh057n00900 to yaml (Ondrej Jirman) - dt-bindings: vendor-prefixes: Add Xingbangda (Icenowy Zheng) - Revert "arm64: allwinner: dts: a64: add LCD-related device nodes for PinePhone" (Peter Robinson) - Revert "drm/sun4i: sun6i_mipi_dsi: fix horizontal timing calculation" (Peter Robinson) - Revert "drm: panel: add Xingbangda XBD599 panel" (Peter Robinson) - Revert "dt-bindings: panel: add binding for Xingbangda XBD599 panel" (Peter Robinson) - selinux: allow reading labels before policy is loaded (Jonathan Lebon) - Fixes "acpi: prefer booting with ACPI over DTS" to be RHEL only (Peter Robinson) - Update config for renamed panel driver. (Peter Robinson) - Enable SERIAL_SC16IS7XX for SPI interfaces (Peter Robinson) - Updated changelog for the release based on dcde237b9b0e (Fedora Kernel Team) Resolves: rhbz# Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
2020-07-13 15:05:15 +00:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megous@megous.com>
Date: Fri, 26 Jun 2020 02:55:58 +0200
Subject: [PATCH] drm/panel: st7703: Enter sleep after display off
The datasheet suggests to issue sleep in after display off
as a part of the panel's shutdown sequence.
Signed-off-by: Ondrej Jirman <megous@megous.com>
---
drivers/gpu/drm/panel/panel-sitronix-st7703.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7703.c b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
index 33611419059a..e771281eb547 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7703.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7703.c
@@ -394,8 +394,19 @@ static int st7703_disable(struct drm_panel *panel)
{
struct st7703 *ctx = panel_to_st7703(panel);
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ ret = mipi_dsi_dcs_set_display_off(dsi);
+ if (ret < 0)
+ DRM_DEV_ERROR(ctx->dev,
+ "Failed to turn off the display: %d\n", ret);
- return mipi_dsi_dcs_set_display_off(dsi);
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+ if (ret < 0)
+ DRM_DEV_ERROR(ctx->dev,
+ "Failed to enter sleep mode: %d\n", ret);
+
+ return 0;
}
static int st7703_unprepare(struct drm_panel *panel)
--
2.26.2