From 8f54b9374e56fd08f990fe2fe4dc8b3bde1c00d2 Mon Sep 17 00:00:00 2001
From: Neela Chithirala <chithiralan@google.com>
Date: Mon, 14 Mar 2022 05:24:14 +0000
Subject: Merge branch 'gs201-release' to android13-gs-pixel-5.10

  * gs201-release:

      gxp: ignore AUR_OFF in power voting
      Bug: 223286553
      gxp: change memory power state asynchronously
      Bug: 221187219
      gxp: cancel the vote when the client is destroyed
      Bug: 201600514
      gxp: refactor pm interface
      Bug: 201600514
      gxp: Make a power state vote for debugfs wakelocks
      Bug: 223286553
      gxp: Return error if gxp_vd_allocate() fails

Signed-off-by: Neela Chithirala <chithiralan@google.com>
Change-Id: Ibb879ffffa83e787409debec4e5e55bfe8858808
---
 gxp-debugfs.c | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

(limited to 'gxp-debugfs.c')

diff --git a/gxp-debugfs.c b/gxp-debugfs.c
index 0576c9a..480dca2 100644
--- a/gxp-debugfs.c
+++ b/gxp-debugfs.c
@@ -148,15 +148,16 @@ static int gxp_firmware_run_set(void *data, u64 val)
 		if (IS_ERR(gxp->debugfs_client->vd)) {
 			dev_err(gxp->dev, "Failed to allocate VD\n");
 			ret = PTR_ERR(gxp->debugfs_client->vd);
-			goto err_start;
+			goto err_wakelock;
 		}
 
 		ret = gxp_wakelock_acquire(gxp);
 		if (ret) {
 			dev_err(gxp->dev, "Failed to acquire BLOCK wakelock\n");
-			goto err_start;
+			goto err_wakelock;
 		}
 		gxp->debugfs_client->has_block_wakelock = true;
+		gxp_pm_update_requested_power_state(gxp, AUR_OFF, AUR_UUD);
 
 		down_write(&gxp->vd_semaphore);
 		ret = gxp_vd_start(gxp->debugfs_client->vd);
@@ -179,6 +180,7 @@ static int gxp_firmware_run_set(void *data, u64 val)
 		 */
 		gxp_client_destroy(gxp->debugfs_client);
 		gxp->debugfs_client = NULL;
+		gxp_pm_update_requested_power_state(gxp, AUR_UUD, AUR_OFF);
 	}
 
 out:
@@ -187,6 +189,9 @@ out:
 	return ret;
 
 err_start:
+	gxp_wakelock_release(gxp);
+	gxp_pm_update_requested_power_state(gxp, AUR_UUD, AUR_OFF);
+err_wakelock:
 	/* Destroying a client cleans up any VDss or wakelocks it held. */
 	gxp_client_destroy(gxp->debugfs_client);
 	gxp->debugfs_client = NULL;
@@ -210,32 +215,42 @@ static int gxp_wakelock_set(void *data, u64 val)
 	struct gxp_dev *gxp = (struct gxp_dev *)data;
 	int ret = 0;
 
+	mutex_lock(&gxp->debugfs_client_lock);
+
 	if (val > 0) {
 		/* Wakelock Acquire */
 		if (gxp->debugfs_wakelock_held) {
 			dev_warn(gxp->dev,
 				 "Debugfs wakelock is already held.\n");
-			return -EBUSY;
+			ret = -EBUSY;
+			goto out;
 		}
 
 		ret = gxp_wakelock_acquire(gxp);
-		if (ret)
+		if (ret) {
 			dev_err(gxp->dev,
 				"Failed to acquire debugfs wakelock ret=%d\n",
 				ret);
-		else
-			gxp->debugfs_wakelock_held = true;
+			goto out;
+		}
+		gxp->debugfs_wakelock_held = true;
+		gxp_pm_update_requested_power_state(gxp, AUR_OFF, AUR_UUD);
 	} else {
 		/* Wakelock Release */
 		if (!gxp->debugfs_wakelock_held) {
 			dev_warn(gxp->dev, "Debugfs wakelock not held.\n");
-			return -EIO;
+			ret = -EIO;
+			goto out;
 		}
 
 		gxp_wakelock_release(gxp);
 		gxp->debugfs_wakelock_held = false;
+		gxp_pm_update_requested_power_state(gxp, AUR_UUD, AUR_OFF);
 	}
 
+out:
+	mutex_unlock(&gxp->debugfs_client_lock);
+
 	return ret;
 }
 
-- 
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