[PATCH v8 15/15] drm/msm/dp: pass panel to display enable/disable helpers

[Yongxing Mou <yongxing.mou@oss.qualcomm.com>]

Pass struct msm_dp_panel to the display enable/disable helpers to make
them easier to reuse for MST stream handling.

Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index 74d885e38b8c..c31d155715a1 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -652,7 +652,8 @@ static int msm_dp_display_prepare_link(struct msm_dp_display_private *dp)
 	return msm_dp_ctrl_prepare_stream_on(dp->ctrl, dp->panel, force_link_train);
 }
 
-static int msm_dp_display_enable(struct msm_dp_display_private *dp)
+static int msm_dp_display_enable(struct msm_dp_display_private *dp,
+				 struct msm_dp_panel *msm_dp_panel)
 {
 	int rc = 0;
 	struct msm_dp *msm_dp_display = &dp->msm_dp_display;
@@ -663,7 +664,7 @@ static int msm_dp_display_enable(struct msm_dp_display_private *dp)
 		return 0;
 	}
 
-	rc = msm_dp_ctrl_on_stream(dp->ctrl, dp->panel);
+	rc = msm_dp_ctrl_on_stream(dp->ctrl, msm_dp_panel);
 	if (!rc)
 		msm_dp_display->power_on = true;
 
@@ -709,22 +710,23 @@ static void msm_dp_display_audio_notify_disable(struct msm_dp_display_private *d
 	msm_dp_display->audio_enabled = false;
 }
 
-static int msm_dp_display_disable(struct msm_dp_display_private *dp)
+static int msm_dp_display_disable(struct msm_dp_display_private *dp,
+				  struct msm_dp_panel *msm_dp_panel)
 {
 	struct msm_dp *msm_dp_display = &dp->msm_dp_display;
 
 	if (!msm_dp_display->power_on)
 		return 0;
 
-	msm_dp_panel_disable_vsc_sdp(dp->panel);
+	msm_dp_panel_disable_vsc_sdp(msm_dp_panel);
 
 	msm_dp_ctrl_off_pixel_clk(dp->ctrl);
 
 	/* dongle is still connected but sinks are disconnected */
 	if (dp->link->sink_count == 0)
-		msm_dp_link_psm_config(dp->link, &dp->panel->link_info, true);
+		msm_dp_link_psm_config(dp->link, &msm_dp_panel->link_info, true);
 
-	msm_dp_ctrl_off_link(dp->ctrl, dp->panel);
+	msm_dp_ctrl_off_link(dp->ctrl, msm_dp_panel);
 
 	if (dp->link->sink_count == 0)
 		/* re-init the PHY so that we can listen to Dongle disconnect */
@@ -739,7 +741,7 @@ static int msm_dp_display_disable(struct msm_dp_display_private *dp)
 }
 
 /**
- * msm_dp_bridge_mode_valid - callback to determine if specified mode is valid
+ * msm_dp_display_mode_valid - callback to determine if specified mode is valid
  * @dp: Pointer to dp display structure
  * @info: display info
  * @mode: Pointer to drm mode structure
@@ -1439,14 +1441,14 @@ void msm_dp_display_atomic_enable(struct msm_dp *msm_dp_display)
 
 	dp = container_of(msm_dp_display, struct msm_dp_display_private, msm_dp_display);
 
-	rc = msm_dp_display_enable(dp);
+	rc = msm_dp_display_enable(dp, dp->panel);
 	if (rc)
 		DRM_ERROR("DP display enable failed, rc=%d\n", rc);
 
 	rc = msm_dp_display_post_enable(msm_dp_display);
 	if (rc) {
 		DRM_ERROR("DP display post enable failed, rc=%d\n", rc);
-		msm_dp_display_disable(dp);
+		msm_dp_display_disable(dp, dp->panel);
 	}
 
 	drm_dbg_dp(msm_dp_display->drm_dev, "type=%d Done\n", msm_dp_display->connector_type);
@@ -1481,7 +1483,7 @@ void msm_dp_display_atomic_post_disable(struct msm_dp *dp)
 
 	msm_dp_display_audio_notify_disable(msm_dp_display);
 
-	msm_dp_display_disable(msm_dp_display);
+	msm_dp_display_disable(msm_dp_display, msm_dp_display->panel);
 
 	msm_dp_display_unprepare(msm_dp_display);
 }

-- 
2.43.0