6.6-stable review patch. If anyone has any objections, please let me know.
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From: Chris Morgan macromorgan@hotmail.com
[ Upstream commit 697ebc319b942403a6fee894607fd2cd47cca069 ]
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-macro... Signed-off-by: Sasha Levin sashal@kernel.org --- 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 ad98dd9322b4..227937afe257 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;