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authorChris Morgan <macromorgan@hotmail.com>2023-11-17 14:25:32 -0600
committerNeil Armstrong <neil.armstrong@linaro.org>2023-11-20 09:33:30 +0100
commit697ebc319b942403a6fee894607fd2cd47cca069 (patch)
tree232cb2b521359c3cc44f0df3f49d389694d248be
parent8bcac1be55e188e5bac3353b550c9cddb70fbbed (diff)
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drm/panel: nv3051d: Hold panel in reset for unprepare
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> Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com> Link: https://lore.kernel.org/r/20231117202536.1387815-3-macroalpha82@gmail.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231117202536.1387815-3-macroalpha82@gmail.com
-rw-r--r--drivers/gpu/drm/panel/panel-newvision-nv3051d.c2
1 files changed, 2 insertions, 0 deletions
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;