From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/msm/msm_gem.h | 54 +++++++++++++++++++++++++++++++++++-------------------
1 files changed, 35 insertions(+), 19 deletions(-)
diff --git a/kernel/drivers/gpu/drm/msm/msm_gem.h b/kernel/drivers/gpu/drm/msm/msm_gem.h
index c5d9bd3..a1bf741 100644
--- a/kernel/drivers/gpu/drm/msm/msm_gem.h
+++ b/kernel/drivers/gpu/drm/msm/msm_gem.h
@@ -1,29 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License 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.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MSM_GEM_H__
#define __MSM_GEM_H__
#include <linux/kref.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
#include "msm_drv.h"
/* Additional internal-use only BO flags: */
#define MSM_BO_STOLEN 0x10000000 /* try to use stolen/splash memory */
+#define MSM_BO_MAP_PRIV 0x20000000 /* use IOMMU_PRIV when mapping */
struct msm_gem_address_space {
const char *name;
@@ -34,6 +24,11 @@
spinlock_t lock; /* Protects drm_mm node allocation/removal */
struct msm_mmu *mmu;
struct kref kref;
+
+ /* For address spaces associated with a specific process, this
+ * will be non-NULL:
+ */
+ struct pid *pid;
};
struct msm_gem_vma {
@@ -41,6 +36,8 @@
uint64_t iova;
struct msm_gem_address_space *aspace;
struct list_head list; /* node in msm_gem_object::vmas */
+ bool mapped;
+ int inuse;
};
struct msm_gem_object {
@@ -82,21 +79,23 @@
struct list_head vmas; /* list of msm_gem_vma */
- /* normally (resv == &_resv) except for imported bo's */
- struct reservation_object *resv;
- struct reservation_object _resv;
+ struct llist_node freed;
/* For physically contiguous buffers. Used when we don't have
* an IOMMU. Also used for stolen/splashscreen buffer.
*/
struct drm_mm_node *vram_node;
struct mutex lock; /* Protects resources associated with bo */
+
+ char name[32]; /* Identifier to print for the debugfs files */
+
+ atomic_t active_count;
};
#define to_msm_bo(x) container_of(x, struct msm_gem_object, base)
static inline bool is_active(struct msm_gem_object *msm_obj)
{
- return msm_obj->gpu != NULL;
+ return atomic_read(&msm_obj->active_count);
}
static inline bool is_purgeable(struct msm_gem_object *msm_obj)
@@ -129,6 +128,7 @@
void msm_gem_purge(struct drm_gem_object *obj, enum msm_gem_lock subclass);
void msm_gem_vunmap(struct drm_gem_object *obj, enum msm_gem_lock subclass);
+void msm_gem_free_work(struct work_struct *work);
/* Created per submit-ioctl, to track bo's and cmdstream bufs, etc,
* associated with the cmdstream submission for synchronization (and
@@ -138,6 +138,7 @@
struct msm_gem_submit {
struct drm_device *dev;
struct msm_gpu *gpu;
+ struct msm_gem_address_space *aspace;
struct list_head node; /* node in ring submit list */
struct list_head bo_list;
struct ww_acquire_ctx ticket;
@@ -148,8 +149,10 @@
bool valid; /* true if no cmdstream patching needed */
bool in_rb; /* "sudo" mode, copy cmds into RB */
struct msm_ringbuffer *ring;
+ struct msm_file_private *ctx;
unsigned int nr_cmds;
unsigned int nr_bos;
+ u32 ident; /* A "identifier" for the submit for logging */
struct {
uint32_t type;
uint32_t size; /* in dwords */
@@ -158,9 +161,22 @@
} *cmd; /* array of size nr_cmds */
struct {
uint32_t flags;
- struct msm_gem_object *obj;
+ union {
+ struct msm_gem_object *obj;
+ uint32_t handle;
+ };
uint64_t iova;
- } bos[0];
+ } bos[];
};
+/* helper to determine of a buffer in submit should be dumped, used for both
+ * devcoredump and debugfs cmdstream dumping:
+ */
+static inline bool
+should_dump(struct msm_gem_submit *submit, int idx)
+{
+ extern bool rd_full;
+ return rd_full || (submit->bos[idx].flags & MSM_SUBMIT_BO_DUMP);
+}
+
#endif /* __MSM_GEM_H__ */
--
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