Thread (35 messages) 35 messages, 4 authors, 2021-04-15

Re: [PATCH v2 06/14] drm/bridge: ti-sn65dsi86: Move drm_panel_unprepare() to post_disable()

From: Andrzej Hajda <hidden>
Date: 2021-03-31 09:55:58
Also in: dri-devel, lkml

W dniu 30.03.2021 o 04:53, Douglas Anderson pisze:
We prepared the panel in pre_enable() so we should unprepare it in
post_disable() to match.

This becomes important once we start using pre_enable() and
post_disable() to make sure things are powered on (and then off again)
when reading the EDID.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Andrzej Hajda <redacted>

Regards
Andrzej
quoted hunk ↗ jump to hunk
---

(no changes since v1)

  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index e8e523b3a16b..50a52af8e39f 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -460,8 +460,6 @@ static void ti_sn_bridge_disable(struct drm_bridge *bridge)
  	regmap_write(pdata->regmap, SN_ML_TX_MODE_REG, 0);
  	/* disable DP PLL */
  	regmap_write(pdata->regmap, SN_PLL_ENABLE_REG, 0);
-
-	drm_panel_unprepare(pdata->panel);
  }
  
  static u32 ti_sn_bridge_get_dsi_freq(struct ti_sn_bridge *pdata)
@@ -877,6 +875,8 @@ static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
  {
  	struct ti_sn_bridge *pdata = bridge_to_ti_sn_bridge(bridge);
  
+	drm_panel_unprepare(pdata->panel);
+
  	clk_disable_unprepare(pdata->refclk);
  
  	pm_runtime_put_sync(pdata->dev);
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help