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authorSebastian Reichel <sre@kernel.org>2021-02-27 22:45:42 +0100
committerTomi Valkeinen <tomi.valkeinen@ideasonboard.com>2021-04-06 16:51:29 +0300
commit3b943360a20f3e4b2e0133c7cd7138b51fd93de6 (patch)
tree3bdf5011ae2751c156cb2187c3fd5a2943cc90f3
parent014305d001987a0eeada6bac610a8665f92aae24 (diff)
downloadmisc-3b943360a20f3e4b2e0133c7cd7138b51fd93de6.tar.gz
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 <tony@atomide.com> Reported-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Fixes: 4c1b935fea54 ("drm/omap: dsi: move TE GPIO handling into core") Signed-off-by: Sebastian Reichel <sre@kernel.org> Tested-by: Tony Lindgren <tony@atomide.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210227214542.99961-1-sebastian.reichel@collabora.com
-rw-r--r--drivers/gpu/drm/panel/panel-dsi-cm.c12
1 files 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 af381d756ac1f..5fbfb71ca3d91 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[] = {