From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c | 109 ++++++++----------------------------------------------
1 files changed, 16 insertions(+), 93 deletions(-)
diff --git a/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c b/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
index 879c13f..84ea09d 100644
--- a/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
+++ b/kernel/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
@@ -1,13 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__
@@ -63,8 +55,7 @@
int dpu_core_irq_idx_lookup(struct dpu_kms *dpu_kms,
enum dpu_intr_type intr_type, u32 instance_idx)
{
- if (!dpu_kms || !dpu_kms->hw_intr ||
- !dpu_kms->hw_intr->ops.irq_idx_lookup)
+ if (!dpu_kms->hw_intr || !dpu_kms->hw_intr->ops.irq_idx_lookup)
return -EINVAL;
return dpu_kms->hw_intr->ops.irq_idx_lookup(intr_type,
@@ -81,7 +72,7 @@
unsigned long irq_flags;
int ret = 0, enable_count;
- if (!dpu_kms || !dpu_kms->hw_intr ||
+ if (!dpu_kms->hw_intr ||
!dpu_kms->irq_obj.enable_counts ||
!dpu_kms->irq_obj.irq_counts) {
DPU_ERROR("invalid params\n");
@@ -122,7 +113,7 @@
{
int i, ret = 0, counts;
- if (!dpu_kms || !irq_idxs || !irq_count) {
+ if (!irq_idxs || !irq_count) {
DPU_ERROR("invalid params\n");
return -EINVAL;
}
@@ -146,7 +137,7 @@
{
int ret = 0, enable_count;
- if (!dpu_kms || !dpu_kms->hw_intr || !dpu_kms->irq_obj.enable_counts) {
+ if (!dpu_kms->hw_intr || !dpu_kms->irq_obj.enable_counts) {
DPU_ERROR("invalid params\n");
return -EINVAL;
}
@@ -177,7 +168,7 @@
{
int i, ret = 0, counts;
- if (!dpu_kms || !irq_idxs || !irq_count) {
+ if (!irq_idxs || !irq_count) {
DPU_ERROR("invalid params\n");
return -EINVAL;
}
@@ -194,7 +185,7 @@
u32 dpu_core_irq_read(struct dpu_kms *dpu_kms, int irq_idx, bool clear)
{
- if (!dpu_kms || !dpu_kms->hw_intr ||
+ if (!dpu_kms->hw_intr ||
!dpu_kms->hw_intr->ops.get_interrupt_status)
return 0;
@@ -213,7 +204,7 @@
{
unsigned long irq_flags;
- if (!dpu_kms || !dpu_kms->irq_obj.irq_cb_tbl) {
+ if (!dpu_kms->irq_obj.irq_cb_tbl) {
DPU_ERROR("invalid params\n");
return -EINVAL;
}
@@ -248,7 +239,7 @@
{
unsigned long irq_flags;
- if (!dpu_kms || !dpu_kms->irq_obj.irq_cb_tbl) {
+ if (!dpu_kms->irq_obj.irq_cb_tbl) {
DPU_ERROR("invalid params\n");
return -EINVAL;
}
@@ -282,8 +273,7 @@
static void dpu_clear_all_irqs(struct dpu_kms *dpu_kms)
{
- if (!dpu_kms || !dpu_kms->hw_intr ||
- !dpu_kms->hw_intr->ops.clear_all_irqs)
+ if (!dpu_kms->hw_intr || !dpu_kms->hw_intr->ops.clear_all_irqs)
return;
dpu_kms->hw_intr->ops.clear_all_irqs(dpu_kms->hw_intr);
@@ -291,27 +281,13 @@
static void dpu_disable_all_irqs(struct dpu_kms *dpu_kms)
{
- if (!dpu_kms || !dpu_kms->hw_intr ||
- !dpu_kms->hw_intr->ops.disable_all_irqs)
+ if (!dpu_kms->hw_intr || !dpu_kms->hw_intr->ops.disable_all_irqs)
return;
dpu_kms->hw_intr->ops.disable_all_irqs(dpu_kms->hw_intr);
}
#ifdef CONFIG_DEBUG_FS
-#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix) \
-static int __prefix ## _open(struct inode *inode, struct file *file) \
-{ \
- return single_open(file, __prefix ## _show, inode->i_private); \
-} \
-static const struct file_operations __prefix ## _fops = { \
- .owner = THIS_MODULE, \
- .open = __prefix ## _open, \
- .release = single_release, \
- .read = seq_read, \
- .llseek = seq_lseek, \
-}
-
static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
{
struct dpu_irq *irq_obj = s->private;
@@ -319,10 +295,8 @@
unsigned long irq_flags;
int i, irq_count, enable_count, cb_count;
- if (!irq_obj || !irq_obj->enable_counts || !irq_obj->irq_cb_tbl) {
- DPU_ERROR("invalid parameters\n");
+ if (WARN_ON(!irq_obj->enable_counts || !irq_obj->irq_cb_tbl))
return 0;
- }
for (i = 0; i < irq_obj->total_irqs; i++) {
spin_lock_irqsave(&irq_obj->cb_lock, irq_flags);
@@ -341,52 +315,19 @@
return 0;
}
-DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_core_irq);
+DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_core_irq);
-int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
+void dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
struct dentry *parent)
{
- dpu_kms->irq_obj.debugfs_file = debugfs_create_file("core_irq", 0600,
- parent, &dpu_kms->irq_obj,
- &dpu_debugfs_core_irq_fops);
-
- return 0;
-}
-
-void dpu_debugfs_core_irq_destroy(struct dpu_kms *dpu_kms)
-{
- debugfs_remove(dpu_kms->irq_obj.debugfs_file);
- dpu_kms->irq_obj.debugfs_file = NULL;
-}
-
-#else
-int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
- struct dentry *parent)
-{
- return 0;
-}
-
-void dpu_debugfs_core_irq_destroy(struct dpu_kms *dpu_kms)
-{
+ debugfs_create_file("core_irq", 0600, parent, &dpu_kms->irq_obj,
+ &dpu_debugfs_core_irq_fops);
}
#endif
void dpu_core_irq_preinstall(struct dpu_kms *dpu_kms)
{
- struct msm_drm_private *priv;
int i;
-
- if (!dpu_kms) {
- DPU_ERROR("invalid dpu_kms\n");
- return;
- } else if (!dpu_kms->dev) {
- DPU_ERROR("invalid drm device\n");
- return;
- } else if (!dpu_kms->dev->dev_private) {
- DPU_ERROR("invalid device private\n");
- return;
- }
- priv = dpu_kms->dev->dev_private;
pm_runtime_get_sync(&dpu_kms->pdev->dev);
dpu_clear_all_irqs(dpu_kms);
@@ -410,27 +351,9 @@
}
}
-int dpu_core_irq_postinstall(struct dpu_kms *dpu_kms)
-{
- return 0;
-}
-
void dpu_core_irq_uninstall(struct dpu_kms *dpu_kms)
{
- struct msm_drm_private *priv;
int i;
-
- if (!dpu_kms) {
- DPU_ERROR("invalid dpu_kms\n");
- return;
- } else if (!dpu_kms->dev) {
- DPU_ERROR("invalid drm device\n");
- return;
- } else if (!dpu_kms->dev->dev_private) {
- DPU_ERROR("invalid device private\n");
- return;
- }
- priv = dpu_kms->dev->dev_private;
pm_runtime_get_sync(&dpu_kms->pdev->dev);
for (i = 0; i < dpu_kms->irq_obj.total_irqs; i++)
--
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