From 3b943360a20f3e4b2e0133c7cd7138b51fd93de6 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Sat, 27 Feb 2021 22:45:42 +0100 Subject: [PATCH] drm/panel: panel-dsi-cm: disable TE for now Disable TE for Droid 4 panel, since implementation is currently broken. Also disable it for N950 panel, which is untested. Reported-by: Tony Lindgren Reported-by: Tomi Valkeinen Fixes: 4c1b935fea54 ("drm/omap: dsi: move TE GPIO handling into core") Signed-off-by: Sebastian Reichel Tested-by: Tony Lindgren Acked-by: Thierry Reding Signed-off-by: Tomi Valkeinen Link: https://patchwork.freedesktop.org/patch/msgid/20210227214542.99961-1-sebastian.reichel@collabora.com --- drivers/gpu/drm/panel/panel-dsi-cm.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-dsi-cm.c b/drivers/gpu/drm/panel/panel-dsi-cm.c index af381d7..5fbfb71 100644 --- a/drivers/gpu/drm/panel/panel-dsi-cm.c +++ b/drivers/gpu/drm/panel/panel-dsi-cm.c @@ -37,6 +37,7 @@ struct dsic_panel_data { u32 height_mm; u32 max_hs_rate; u32 max_lp_rate; + bool te_support; }; struct panel_drv_data { @@ -334,9 +335,11 @@ static int dsicm_power_on(struct panel_drv_data *ddata) if (r) goto err; - r = mipi_dsi_dcs_set_tear_on(ddata->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); - if (r) - goto err; + if (ddata->panel_data->te_support) { + r = mipi_dsi_dcs_set_tear_on(ddata->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK); + if (r) + goto err; + } /* possible panel bug */ msleep(100); @@ -619,6 +622,7 @@ static const struct dsic_panel_data taal_data = { .height_mm = 0, .max_hs_rate = 300000000, .max_lp_rate = 10000000, + .te_support = true, }; static const struct dsic_panel_data himalaya_data = { @@ -629,6 +633,7 @@ static const struct dsic_panel_data himalaya_data = { .height_mm = 88, .max_hs_rate = 300000000, .max_lp_rate = 10000000, + .te_support = false, }; static const struct dsic_panel_data droid4_data = { @@ -639,6 +644,7 @@ static const struct dsic_panel_data droid4_data = { .height_mm = 89, .max_hs_rate = 300000000, .max_lp_rate = 10000000, + .te_support = false, }; static const struct of_device_id dsicm_of_match[] = { -- 2.7.4