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![Rob Clark](/assets/img/avatar_default.png)
We need to use pm-runtime properly when IOMMU is using device_link() to control it's own clocks. Signed-off-by: Rob Clark <robdclark@gmail.com>
170 lines
3.9 KiB
C
170 lines
3.9 KiB
C
/*
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* Copyright (C) 2013-2016 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef CONFIG_DEBUG_FS
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#include "msm_drv.h"
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#include "msm_gpu.h"
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#include "msm_kms.h"
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#include "msm_debugfs.h"
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static int msm_gpu_show(struct drm_device *dev, struct seq_file *m)
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{
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struct msm_drm_private *priv = dev->dev_private;
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struct msm_gpu *gpu = priv->gpu;
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if (gpu) {
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seq_printf(m, "%s Status:\n", gpu->name);
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pm_runtime_get_sync(&gpu->pdev->dev);
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gpu->funcs->show(gpu, m);
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pm_runtime_put_sync(&gpu->pdev->dev);
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}
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return 0;
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}
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static int msm_gem_show(struct drm_device *dev, struct seq_file *m)
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{
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struct msm_drm_private *priv = dev->dev_private;
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struct msm_gpu *gpu = priv->gpu;
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if (gpu) {
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seq_printf(m, "Active Objects (%s):\n", gpu->name);
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msm_gem_describe_objects(&gpu->active_list, m);
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}
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seq_printf(m, "Inactive Objects:\n");
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msm_gem_describe_objects(&priv->inactive_list, m);
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return 0;
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}
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static int msm_mm_show(struct drm_device *dev, struct seq_file *m)
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{
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struct drm_printer p = drm_seq_file_printer(m);
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drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
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return 0;
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}
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static int msm_fb_show(struct drm_device *dev, struct seq_file *m)
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{
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struct msm_drm_private *priv = dev->dev_private;
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struct drm_framebuffer *fb, *fbdev_fb = NULL;
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if (priv->fbdev) {
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seq_printf(m, "fbcon ");
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fbdev_fb = priv->fbdev->fb;
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msm_framebuffer_describe(fbdev_fb, m);
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}
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mutex_lock(&dev->mode_config.fb_lock);
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list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
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if (fb == fbdev_fb)
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continue;
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seq_printf(m, "user ");
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msm_framebuffer_describe(fb, m);
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}
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mutex_unlock(&dev->mode_config.fb_lock);
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return 0;
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}
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static int show_locked(struct seq_file *m, void *arg)
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{
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struct drm_info_node *node = (struct drm_info_node *) m->private;
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struct drm_device *dev = node->minor->dev;
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int (*show)(struct drm_device *dev, struct seq_file *m) =
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node->info_ent->data;
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int ret;
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ret = mutex_lock_interruptible(&dev->struct_mutex);
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if (ret)
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return ret;
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ret = show(dev, m);
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mutex_unlock(&dev->struct_mutex);
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return ret;
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}
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static struct drm_info_list msm_debugfs_list[] = {
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{"gpu", show_locked, 0, msm_gpu_show},
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{"gem", show_locked, 0, msm_gem_show},
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{ "mm", show_locked, 0, msm_mm_show },
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{ "fb", show_locked, 0, msm_fb_show },
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};
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static int late_init_minor(struct drm_minor *minor)
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{
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int ret;
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if (!minor)
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return 0;
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ret = msm_rd_debugfs_init(minor);
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if (ret) {
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dev_err(minor->dev->dev, "could not install rd debugfs\n");
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return ret;
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}
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ret = msm_perf_debugfs_init(minor);
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if (ret) {
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dev_err(minor->dev->dev, "could not install perf debugfs\n");
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return ret;
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}
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return 0;
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}
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int msm_debugfs_late_init(struct drm_device *dev)
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{
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int ret;
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ret = late_init_minor(dev->primary);
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if (ret)
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return ret;
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ret = late_init_minor(dev->render);
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if (ret)
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return ret;
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ret = late_init_minor(dev->control);
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return ret;
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}
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int msm_debugfs_init(struct drm_minor *minor)
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{
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struct drm_device *dev = minor->dev;
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struct msm_drm_private *priv = dev->dev_private;
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int ret;
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ret = drm_debugfs_create_files(msm_debugfs_list,
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ARRAY_SIZE(msm_debugfs_list),
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minor->debugfs_root, minor);
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if (ret) {
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dev_err(dev->dev, "could not install msm_debugfs_list\n");
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return ret;
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}
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if (priv->kms->funcs->debugfs_init)
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ret = priv->kms->funcs->debugfs_init(priv->kms, minor);
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return ret;
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}
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#endif
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