mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-27 03:10:12 +00:00
![Maarten Lankhorst](/assets/img/avatar_default.png)
The locking of release_lock was stupid; t should have been be called with fence_lock_irq if it was legitimately used. Unfortunately it never protected anything except the fence implementation correctly. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
149 lines
4.2 KiB
C
149 lines
4.2 KiB
C
/*
|
|
* Copyright (C) 2009 Red Hat <bskeggs@redhat.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial
|
|
* portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
|
|
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Authors:
|
|
* Alon Levy <alevy@redhat.com>
|
|
*/
|
|
|
|
#include <linux/debugfs.h>
|
|
|
|
#include "drmP.h"
|
|
#include "qxl_drv.h"
|
|
#include "qxl_object.h"
|
|
|
|
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
static int
|
|
qxl_debugfs_irq_received(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = (struct drm_info_node *) m->private;
|
|
struct qxl_device *qdev = node->minor->dev->dev_private;
|
|
|
|
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));
|
|
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));
|
|
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor));
|
|
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd));
|
|
seq_printf(m, "%d\n", qdev->irq_received_error);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
qxl_debugfs_buffers_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = (struct drm_info_node *) m->private;
|
|
struct qxl_device *qdev = node->minor->dev->dev_private;
|
|
struct qxl_bo *bo;
|
|
|
|
list_for_each_entry(bo, &qdev->gem.objects, list) {
|
|
struct reservation_object_list *fobj;
|
|
int rel;
|
|
|
|
rcu_read_lock();
|
|
fobj = rcu_dereference(bo->tbo.resv->fence);
|
|
rel = fobj ? fobj->shared_count : 0;
|
|
rcu_read_unlock();
|
|
|
|
seq_printf(m, "size %ld, pc %d, num releases %d\n",
|
|
(unsigned long)bo->gem_base.size,
|
|
bo->pin_count, rel);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct drm_info_list qxl_debugfs_list[] = {
|
|
{ "irq_received", qxl_debugfs_irq_received, 0, NULL },
|
|
{ "qxl_buffers", qxl_debugfs_buffers_info, 0, NULL },
|
|
};
|
|
#define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list)
|
|
#endif
|
|
|
|
int
|
|
qxl_debugfs_init(struct drm_minor *minor)
|
|
{
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
|
|
minor->debugfs_root, minor);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
qxl_debugfs_takedown(struct drm_minor *minor)
|
|
{
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
drm_debugfs_remove_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
|
|
minor);
|
|
#endif
|
|
}
|
|
|
|
int qxl_debugfs_add_files(struct qxl_device *qdev,
|
|
struct drm_info_list *files,
|
|
unsigned nfiles)
|
|
{
|
|
unsigned i;
|
|
|
|
for (i = 0; i < qdev->debugfs_count; i++) {
|
|
if (qdev->debugfs[i].files == files) {
|
|
/* Already registered */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
i = qdev->debugfs_count + 1;
|
|
if (i > QXL_DEBUGFS_MAX_COMPONENTS) {
|
|
DRM_ERROR("Reached maximum number of debugfs components.\n");
|
|
DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n");
|
|
return -EINVAL;
|
|
}
|
|
qdev->debugfs[qdev->debugfs_count].files = files;
|
|
qdev->debugfs[qdev->debugfs_count].num_files = nfiles;
|
|
qdev->debugfs_count = i;
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
drm_debugfs_create_files(files, nfiles,
|
|
qdev->ddev->control->debugfs_root,
|
|
qdev->ddev->control);
|
|
drm_debugfs_create_files(files, nfiles,
|
|
qdev->ddev->primary->debugfs_root,
|
|
qdev->ddev->primary);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
void qxl_debugfs_remove_files(struct qxl_device *qdev)
|
|
{
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
unsigned i;
|
|
|
|
for (i = 0; i < qdev->debugfs_count; i++) {
|
|
drm_debugfs_remove_files(qdev->debugfs[i].files,
|
|
qdev->debugfs[i].num_files,
|
|
qdev->ddev->control);
|
|
drm_debugfs_remove_files(qdev->debugfs[i].files,
|
|
qdev->debugfs[i].num_files,
|
|
qdev->ddev->primary);
|
|
}
|
|
#endif
|
|
}
|