diff options
Diffstat (limited to 'SOURCES/0001-drm-panel-st7703-Enter-sleep-after-display-off.patch')
| -rw-r--r-- | SOURCES/0001-drm-panel-st7703-Enter-sleep-after-display-off.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/SOURCES/0001-drm-panel-st7703-Enter-sleep-after-display-off.patch b/SOURCES/0001-drm-panel-st7703-Enter-sleep-after-display-off.patch new file mode 100644 index 0000000..33e52fc --- /dev/null +++ b/SOURCES/0001-drm-panel-st7703-Enter-sleep-after-display-off.patch @@ -0,0 +1,41 @@ +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 + |