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authorDavid Heidelberg <david@ixit.cz>2025-11-19 15:21:36 +0100
committerNeil Armstrong <neil.armstrong@linaro.org>2025-11-19 17:13:41 +0100
commit73540e5e7c52264633c66aad681e53f7e2f54c57 (patch)
tree698741dd98c5bf7839483e6d5132f44ca9a11740
parent940c451981ebd0901f39675c9ff3b3e1c9760571 (diff)
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 <david@ixit.cz> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patch.msgid.link/20251119-sofef00-rebuild-v3-11-6cd55471e84e@ixit.cz
-rw-r--r--drivers/gpu/drm/panel/panel-samsung-sofef00.c7
1 files 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;