When the panel driver calls omapdss_dsi_display_disable() it is possible
that there are still some unsent packets in the TX fifo.
Add dsi_sync_vc() calls in the beginning of
omapdss_dsi_display_disable() to make sure the TX fifos are empty.
This allows us to remove the msleep(10) hack from panel-taal.c
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/omap2/displays/panel-taal.c | 5 +----
drivers/video/omap2/dss/dsi.c | 5 +++++
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index 4cb0449..4e888ac 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -1247,11 +1247,8 @@ static void taal_power_off(struct omap_dss_device *dssdev)
int r;
r = taal_dcs_write_0(td, DCS_DISPLAY_OFF);
- if (!r) {
+ if (!r)
r = taal_sleep_in(td);
- /* HACK: wait a bit so that the message goes through */
- msleep(10);
- }
if (r) {
dev_err(&dssdev->dev,
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index b6a57bb..62b11c5 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -4263,6 +4263,11 @@ void omapdss_dsi_display_disable(struct omap_dss_device *dssdev,
mutex_lock(&dsi->lock);
+ dsi_sync_vc(dsidev, 0);
+ dsi_sync_vc(dsidev, 1);
+ dsi_sync_vc(dsidev, 2);
+ dsi_sync_vc(dsidev, 3);
+
dsi_display_uninit_dispc(dssdev);
dsi_display_uninit_dsi(dssdev, disconnect_lanes, enter_ulps);
--
1.7.4.1
--
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