[PATCH 12/45] drm/msm/dp: make bridge helpers use dp_display to allow re-use

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dp_bridge helpers take drm_bridge as an input and extract the
dp_display object to be used in the dp_display module. Rather than
doing it in a roundabout way, directly pass the dp_display object
to these helpers so that the MST bridge can also re-use the same
helpers.

Signed-off-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 34 ++++++++-----------------
 drivers/gpu/drm/msm/dp/dp_display.h |  9 +++++++
 drivers/gpu/drm/msm/dp/dp_drm.c     | 49 ++++++++++++++++++++++++++++++++++++-
 drivers/gpu/drm/msm/dp/dp_drm.h     | 12 ---------
 4 files changed, 67 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index b0458bbc89e934ca33ed5af3f2a8ebca30b50824..2f8650d60202deaa90de1a5e0dd6d8bc50f09782 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -942,24 +942,21 @@ int msm_dp_display_set_plugged_cb(struct msm_dp *msm_dp_display,
 
 /**
  * msm_dp_bridge_mode_valid - callback to determine if specified mode is valid
- * @bridge: Pointer to drm bridge structure
+ * @dp: Pointer to dp display structure
  * @info: display info
  * @mode: Pointer to drm mode structure
  * Returns: Validity status for specified mode
  */
-enum drm_mode_status msm_dp_bridge_mode_valid(struct drm_bridge *bridge,
-					  const struct drm_display_info *info,
-					  const struct drm_display_mode *mode)
+enum drm_mode_status msm_dp_display_mode_valid(struct msm_dp *dp,
+					       const struct drm_display_info *info,
+					       const struct drm_display_mode *mode)
 {
 	const u32 num_components = 3, default_bpp = 24;
 	struct msm_dp_display_private *msm_dp_display;
 	struct msm_dp_link_info *link_info;
 	u32 mode_rate_khz = 0, supported_rate_khz = 0, mode_bpp = 0;
-	struct msm_dp *dp;
 	int mode_pclk_khz = mode->clock;
 
-	dp = to_dp_bridge(bridge)->msm_dp_display;
-
 	if (!dp || !mode_pclk_khz || !dp->connector) {
 		DRM_ERROR("invalid params\n");
 		return -EINVAL;
@@ -1528,11 +1525,8 @@ int msm_dp_modeset_init(struct msm_dp *msm_dp_display, struct drm_device *dev,
 	return 0;
 }
 
-void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
-			     struct drm_bridge_state *old_bridge_state)
+void msm_dp_display_atomic_enable(struct msm_dp *dp)
 {
-	struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
-	struct msm_dp *dp = msm_dp_bridge->msm_dp_display;
 	int rc = 0;
 
 	struct msm_dp_display_private *msm_dp_display;
@@ -1569,11 +1563,8 @@ void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
 	mutex_unlock(&msm_dp_display->event_mutex);
 }
 
-void msm_dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
-			      struct drm_bridge_state *old_bridge_state)
+void msm_dp_display_atomic_disable(struct msm_dp *dp)
 {
-	struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
-	struct msm_dp *dp = msm_dp_bridge->msm_dp_display;
 	struct msm_dp_display_private *msm_dp_display;
 
 	msm_dp_display = container_of(dp, struct msm_dp_display_private, msm_dp_display);
@@ -1595,11 +1586,8 @@ static void msm_dp_display_unprepare(struct msm_dp_display_private *dp)
 	msm_dp_display->prepared = false;
 }
 
-void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
-				   struct drm_bridge_state *old_bridge_state)
+void msm_dp_display_atomic_post_disable(struct msm_dp *dp)
 {
-	struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
-	struct msm_dp *dp = msm_dp_bridge->msm_dp_display;
 	u32 state;
 	struct msm_dp_display_private *msm_dp_display;
 
@@ -1632,12 +1620,10 @@ void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
 	mutex_unlock(&msm_dp_display->event_mutex);
 }
 
-void msm_dp_bridge_mode_set(struct drm_bridge *drm_bridge,
-			const struct drm_display_mode *mode,
-			const struct drm_display_mode *adjusted_mode)
+void msm_dp_display_mode_set(struct msm_dp *dp,
+			     const struct drm_display_mode *mode,
+			     const struct drm_display_mode *adjusted_mode)
 {
-	struct msm_dp_bridge *msm_dp_bridge = to_dp_bridge(drm_bridge);
-	struct msm_dp *dp = msm_dp_bridge->msm_dp_display;
 	struct msm_dp_display_private *msm_dp_display;
 	struct msm_dp_panel *msm_dp_panel;
 	struct msm_dp_display_mode msm_dp_mode;
diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h
index 0165a80863e65b6eea6d2d8d1c5c08cd51fed101..2a800164cd9c74c29db80dbad15a2dff9fcb93d6 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.h
+++ b/drivers/gpu/drm/msm/dp/dp_display.h
@@ -41,5 +41,14 @@ void msm_dp_display_signal_audio_start(struct msm_dp *msm_dp_display);
 void msm_dp_display_signal_audio_complete(struct msm_dp *msm_dp_display);
 void msm_dp_display_set_psr(struct msm_dp *dp, bool enter);
 void msm_dp_display_debugfs_init(struct msm_dp *msm_dp_display, struct dentry *dentry, bool is_edp);
+void msm_dp_display_atomic_post_disable(struct msm_dp *dp_display);
+void msm_dp_display_atomic_disable(struct msm_dp *dp_display);
+void msm_dp_display_atomic_enable(struct msm_dp *dp_display);
+void msm_dp_display_mode_set(struct msm_dp *dp,
+			     const struct drm_display_mode *mode,
+			     const struct drm_display_mode *adjusted_mode);
+enum drm_mode_status msm_dp_display_mode_valid(struct msm_dp *dp,
+					       const struct drm_display_info *info,
+					       const struct drm_display_mode *mode);
 
 #endif /* _DP_DISPLAY_H_ */
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.c b/drivers/gpu/drm/msm/dp/dp_drm.c
index d3e241ea6941615b8e274dd17426c2f8557f09b5..4ef3f16a68890bc220d147ac3d04f53ef911f004 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.c
+++ b/drivers/gpu/drm/msm/dp/dp_drm.c
@@ -97,6 +97,53 @@ static void msm_dp_bridge_debugfs_init(struct drm_bridge *bridge, struct dentry
 	msm_dp_display_debugfs_init(dp, root, false);
 }
 
+static void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
+					struct drm_bridge_state *old_bridge_state)
+{
+	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+	struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+	msm_dp_display_atomic_enable(dp);
+}
+
+static void msm_dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
+					 struct drm_bridge_state *old_bridge_state)
+{
+	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+	struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+	msm_dp_display_atomic_disable(dp);
+}
+
+static void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
+					      struct drm_bridge_state *old_bridge_state)
+{
+	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+	struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+	msm_dp_display_atomic_post_disable(dp);
+}
+
+static void msm_dp_bridge_mode_set(struct drm_bridge *drm_bridge,
+				   const struct drm_display_mode *mode,
+				   const struct drm_display_mode *adjusted_mode)
+{
+	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+	struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+	msm_dp_display_mode_set(dp, mode, adjusted_mode);
+}
+
+static enum drm_mode_status msm_dp_bridge_mode_valid(struct drm_bridge *drm_bridge,
+						     const struct drm_display_info *info,
+						     const struct drm_display_mode *mode)
+{
+	struct msm_dp_bridge *dp_bridge = to_dp_bridge(drm_bridge);
+	struct msm_dp *dp = dp_bridge->msm_dp_display;
+
+	return msm_dp_display_mode_valid(dp, info, mode);
+}
+
 static const struct drm_bridge_funcs msm_dp_bridge_ops = {
 	.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
 	.atomic_destroy_state   = drm_atomic_helper_bridge_destroy_state,
@@ -163,7 +210,7 @@ static void msm_edp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
 		return;
 	}
 
-	msm_dp_bridge_atomic_enable(drm_bridge, old_bridge_state);
+	msm_dp_display_atomic_enable(dp);
 }
 
 static void msm_edp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
diff --git a/drivers/gpu/drm/msm/dp/dp_drm.h b/drivers/gpu/drm/msm/dp/dp_drm.h
index 8eae2f74839f71cd3ef8511df4bb1aaa235abf1b..81e628c32279210f6e09f2fc68b2aeafd76fd1fe 100644
--- a/drivers/gpu/drm/msm/dp/dp_drm.h
+++ b/drivers/gpu/drm/msm/dp/dp_drm.h
@@ -25,18 +25,6 @@ int msm_dp_bridge_init(struct msm_dp *msm_dp_display, struct drm_device *dev,
 		   struct drm_encoder *encoder,
 		   bool yuv_supported);
 
-void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
-			     struct drm_bridge_state *old_bridge_state);
-void msm_dp_bridge_atomic_disable(struct drm_bridge *drm_bridge,
-			      struct drm_bridge_state *old_bridge_state);
-void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
-				   struct drm_bridge_state *old_bridge_state);
-enum drm_mode_status msm_dp_bridge_mode_valid(struct drm_bridge *bridge,
-					  const struct drm_display_info *info,
-					  const struct drm_display_mode *mode);
-void msm_dp_bridge_mode_set(struct drm_bridge *drm_bridge,
-			const struct drm_display_mode *mode,
-			const struct drm_display_mode *adjusted_mode);
 void msm_dp_bridge_hpd_enable(struct drm_bridge *bridge);
 void msm_dp_bridge_hpd_disable(struct drm_bridge *bridge);
 void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge,

-- 
2.34.1





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