From 73540e5e7c52264633c66aad681e53f7e2f54c57 Mon Sep 17 00:00:00 2001 From: David Heidelberg Date: Wed, 19 Nov 2025 15:21:36 +0100 Subject: [PATCH] drm/panel: sofef00: Mark the LPM mode always-on The panel operated in low-power mode, with exception of changing the brightness levels. Signed-off-by: David Heidelberg Reviewed-by: Neil Armstrong Signed-off-by: Neil Armstrong Link: https://patch.msgid.link/20251119-sofef00-rebuild-v3-11-6cd55471e84e@ixit.cz --- drivers/gpu/drm/panel/panel-samsung-sofef00.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-samsung-sofef00.c b/drivers/gpu/drm/panel/panel-samsung-sofef00.c index 0e857abda596..db9c181695f1 100644 --- a/drivers/gpu/drm/panel/panel-samsung-sofef00.c +++ b/drivers/gpu/drm/panel/panel-samsung-sofef00.c @@ -92,8 +92,6 @@ static int sofef00_panel_off(struct sofef00_panel *ctx) struct mipi_dsi_device *dsi = ctx->dsi; struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; - dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; - mipi_dsi_dcs_set_display_off_multi(&dsi_ctx); mipi_dsi_msleep(&dsi_ctx, 40); @@ -180,10 +178,14 @@ static int sofef00_panel_bl_update_status(struct backlight_device *bl) int err; u16 brightness = (u16)backlight_get_brightness(bl); + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + err = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness); if (err < 0) return err; + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + return 0; } @@ -234,6 +236,7 @@ static int sofef00_panel_probe(struct mipi_dsi_device *dsi) dsi->lanes = 4; dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_LPM; ctx->panel.prepare_prev_first = true; -- 2.47.3