disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
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@@ -1,13 +1,5 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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3
  */
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4
 
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 #define pr_fmt(fmt)	"[drm:%s:%d] " fmt, __func__, __LINE__
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@@ -63,8 +55,7 @@
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 int dpu_core_irq_idx_lookup(struct dpu_kms *dpu_kms,
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 		enum dpu_intr_type intr_type, u32 instance_idx)
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 {
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-	if (!dpu_kms || !dpu_kms->hw_intr ||
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-			!dpu_kms->hw_intr->ops.irq_idx_lookup)
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+	if (!dpu_kms->hw_intr || !dpu_kms->hw_intr->ops.irq_idx_lookup)
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 		return -EINVAL;
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 	return dpu_kms->hw_intr->ops.irq_idx_lookup(intr_type,
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@@ -81,7 +72,7 @@
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 	unsigned long irq_flags;
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 	int ret = 0, enable_count;
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-	if (!dpu_kms || !dpu_kms->hw_intr ||
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+	if (!dpu_kms->hw_intr ||
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 			!dpu_kms->irq_obj.enable_counts ||
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 			!dpu_kms->irq_obj.irq_counts) {
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 		DPU_ERROR("invalid params\n");
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@@ -122,7 +113,7 @@
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 {
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 	int i, ret = 0, counts;
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-	if (!dpu_kms || !irq_idxs || !irq_count) {
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+	if (!irq_idxs || !irq_count) {
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 		DPU_ERROR("invalid params\n");
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 		return -EINVAL;
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 	}
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@@ -146,7 +137,7 @@
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 {
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 	int ret = 0, enable_count;
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-	if (!dpu_kms || !dpu_kms->hw_intr || !dpu_kms->irq_obj.enable_counts) {
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+	if (!dpu_kms->hw_intr || !dpu_kms->irq_obj.enable_counts) {
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 		DPU_ERROR("invalid params\n");
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 		return -EINVAL;
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 	}
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@@ -177,7 +168,7 @@
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 {
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 	int i, ret = 0, counts;
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-	if (!dpu_kms || !irq_idxs || !irq_count) {
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+	if (!irq_idxs || !irq_count) {
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 		DPU_ERROR("invalid params\n");
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 		return -EINVAL;
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 	}
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@@ -194,7 +185,7 @@
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185
 
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 u32 dpu_core_irq_read(struct dpu_kms *dpu_kms, int irq_idx, bool clear)
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 {
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-	if (!dpu_kms || !dpu_kms->hw_intr ||
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+	if (!dpu_kms->hw_intr ||
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 			!dpu_kms->hw_intr->ops.get_interrupt_status)
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 		return 0;
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191
 
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@@ -213,7 +204,7 @@
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 {
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 	unsigned long irq_flags;
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-	if (!dpu_kms || !dpu_kms->irq_obj.irq_cb_tbl) {
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+	if (!dpu_kms->irq_obj.irq_cb_tbl) {
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 		DPU_ERROR("invalid params\n");
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 		return -EINVAL;
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 	}
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@@ -248,7 +239,7 @@
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 {
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 	unsigned long irq_flags;
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-	if (!dpu_kms || !dpu_kms->irq_obj.irq_cb_tbl) {
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+	if (!dpu_kms->irq_obj.irq_cb_tbl) {
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 		DPU_ERROR("invalid params\n");
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 		return -EINVAL;
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 	}
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@@ -282,8 +273,7 @@
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273
 
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 static void dpu_clear_all_irqs(struct dpu_kms *dpu_kms)
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 {
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-	if (!dpu_kms || !dpu_kms->hw_intr ||
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-			!dpu_kms->hw_intr->ops.clear_all_irqs)
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+	if (!dpu_kms->hw_intr || !dpu_kms->hw_intr->ops.clear_all_irqs)
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 		return;
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 	dpu_kms->hw_intr->ops.clear_all_irqs(dpu_kms->hw_intr);
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@@ -291,27 +281,13 @@
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 static void dpu_disable_all_irqs(struct dpu_kms *dpu_kms)
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 {
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-	if (!dpu_kms || !dpu_kms->hw_intr ||
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-			!dpu_kms->hw_intr->ops.disable_all_irqs)
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+	if (!dpu_kms->hw_intr || !dpu_kms->hw_intr->ops.disable_all_irqs)
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 		return;
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 	dpu_kms->hw_intr->ops.disable_all_irqs(dpu_kms->hw_intr);
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 }
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289
 
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 #ifdef CONFIG_DEBUG_FS
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-#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix)				\
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-static int __prefix ## _open(struct inode *inode, struct file *file)	\
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-{									\
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-	return single_open(file, __prefix ## _show, inode->i_private);	\
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-}									\
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-static const struct file_operations __prefix ## _fops = {		\
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-	.owner = THIS_MODULE,						\
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-	.open = __prefix ## _open,					\
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-	.release = single_release,					\
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-	.read = seq_read,						\
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-	.llseek = seq_lseek,						\
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-}
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-
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 static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
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 {
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 	struct dpu_irq *irq_obj = s->private;
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@@ -319,10 +295,8 @@
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 	unsigned long irq_flags;
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 	int i, irq_count, enable_count, cb_count;
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-	if (!irq_obj || !irq_obj->enable_counts || !irq_obj->irq_cb_tbl) {
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-		DPU_ERROR("invalid parameters\n");
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+	if (WARN_ON(!irq_obj->enable_counts || !irq_obj->irq_cb_tbl))
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 		return 0;
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-	}
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300
 
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 	for (i = 0; i < irq_obj->total_irqs; i++) {
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 		spin_lock_irqsave(&irq_obj->cb_lock, irq_flags);
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@@ -341,52 +315,19 @@
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 	return 0;
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 }
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317
 
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-DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_core_irq);
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+DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_core_irq);
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319
 
346
-int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
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+void dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
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321
 		struct dentry *parent)
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 {
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-	dpu_kms->irq_obj.debugfs_file = debugfs_create_file("core_irq", 0600,
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-			parent, &dpu_kms->irq_obj,
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-			&dpu_debugfs_core_irq_fops);
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-
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-	return 0;
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-}
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-
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-void dpu_debugfs_core_irq_destroy(struct dpu_kms *dpu_kms)
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-{
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-	debugfs_remove(dpu_kms->irq_obj.debugfs_file);
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-	dpu_kms->irq_obj.debugfs_file = NULL;
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-}
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-
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-#else
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-int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
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-		struct dentry *parent)
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-{
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-	return 0;
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-}
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-
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-void dpu_debugfs_core_irq_destroy(struct dpu_kms *dpu_kms)
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-{
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+	debugfs_create_file("core_irq", 0600, parent, &dpu_kms->irq_obj,
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+		&dpu_debugfs_core_irq_fops);
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 }
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 #endif
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327
 
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 void dpu_core_irq_preinstall(struct dpu_kms *dpu_kms)
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 {
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-	struct msm_drm_private *priv;
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 	int i;
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-
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-	if (!dpu_kms) {
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-		DPU_ERROR("invalid dpu_kms\n");
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-		return;
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-	} else if (!dpu_kms->dev) {
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-		DPU_ERROR("invalid drm device\n");
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-		return;
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-	} else if (!dpu_kms->dev->dev_private) {
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-		DPU_ERROR("invalid device private\n");
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-		return;
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-	}
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-	priv = dpu_kms->dev->dev_private;
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331
 
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 	pm_runtime_get_sync(&dpu_kms->pdev->dev);
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 	dpu_clear_all_irqs(dpu_kms);
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@@ -410,27 +351,9 @@
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 	}
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 }
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353
 
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-int dpu_core_irq_postinstall(struct dpu_kms *dpu_kms)
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-{
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-	return 0;
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-}
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-
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354
 void dpu_core_irq_uninstall(struct dpu_kms *dpu_kms)
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 {
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-	struct msm_drm_private *priv;
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 	int i;
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-
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-	if (!dpu_kms) {
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-		DPU_ERROR("invalid dpu_kms\n");
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-		return;
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-	} else if (!dpu_kms->dev) {
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-		DPU_ERROR("invalid drm device\n");
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-		return;
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-	} else if (!dpu_kms->dev->dev_private) {
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-		DPU_ERROR("invalid device private\n");
431
-		return;
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-	}
433
-	priv = dpu_kms->dev->dev_private;
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357
 
435
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 	pm_runtime_get_sync(&dpu_kms->pdev->dev);
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 	for (i = 0; i < dpu_kms->irq_obj.total_irqs; i++)