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drm/rockchip: add drm summary debugfs node

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With the summary debug node, show current display status would be easier.

Using step:
shell# cat /sys/kernel/debug/dri/0/summary

vop name: ff900000.vop status=active
Display mode: 1200x1920 fps[60] clk[160000] type[8] flag[a]
        H: 1200 1320 1340 1361
        V: 1920 1941 1944 1962
win0-0: status=active
        format: AB24 little-endian (0x34324241)
        zpos: 0
        src: pos[0x0] rect[1200x1920]
        dst: pos[0x0] rect[1200x1920]
        buf[0]: addr: 0x9e19000 pitch: 4800 offset: 0
win1-0: status=disabled
win2-0: status=disabled
win2-0: status=disabled
win2-1: status=disabled
win2-2: status=disabled
win3-0: status=disabled
win3-0: status=disabled
win3-1: status=disabled
win3-2: status=disabled
vop name: ff8f0000.vop status=disabled

Change-Id: I386398b0617f0c18902c4cadad5906be343cc4de
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
This commit is contained in:
Mark Yao 2016-12-30 17:03:51 +08:00 committed by Tao Huang
parent 1e6c6b8122
commit 528096963f
1 changed files with 48 additions and 0 deletions
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48
drivers/gpu/drm/rockchip/rockchip_drm_drv.c
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@ -16,6 +16,7 @@
#include <linux/console.h>
#include <linux/iommu.h>
#include <drm/drm_debugfs.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
@ -133,6 +134,50 @@ static void rockchip_iommu_cleanup(struct drm_device *drm_dev)
iommu_domain_free(private->domain);
}
#ifdef CONFIG_DEBUG_FS
static int rockchip_drm_summary_show(struct seq_file *s, void *data)
{
struct drm_info_node *node = s->private;
struct drm_minor *minor = node->minor;
struct drm_device *drm_dev = minor->dev;
struct rockchip_drm_private *priv = drm_dev->dev_private;
struct drm_crtc *crtc;
drm_for_each_crtc(crtc, drm_dev) {
int pipe = drm_crtc_index(crtc);
if (priv->crtc_funcs[pipe] &&
priv->crtc_funcs[pipe]->debugfs_dump)
priv->crtc_funcs[pipe]->debugfs_dump(crtc, s);
}
return 0;
}
static struct drm_info_list rockchip_debugfs_files[] = {
{ "summary", rockchip_drm_summary_show, 0, NULL },
};
static void rockchip_drm_debugfs_init(struct drm_minor *minor)
{
struct drm_device *dev = minor->dev;
struct rockchip_drm_private *priv = dev->dev_private;
struct drm_crtc *crtc;
drm_debugfs_create_files(rockchip_debugfs_files,
ARRAY_SIZE(rockchip_debugfs_files),
minor->debugfs_root, minor);
drm_for_each_crtc(crtc, dev) {
int pipe = drm_crtc_index(crtc);
if (priv->crtc_funcs[pipe] &&
priv->crtc_funcs[pipe]->debugfs_init)
priv->crtc_funcs[pipe]->debugfs_init(minor, crtc);
}
}
#endif
static int rockchip_drm_bind(struct device *dev)
{
struct drm_device *drm_dev;
@ -247,6 +292,9 @@ static struct drm_driver rockchip_drm_driver = {
.gem_prime_vmap = rockchip_gem_prime_vmap,
.gem_prime_vunmap = rockchip_gem_prime_vunmap,
.gem_prime_mmap = rockchip_gem_mmap_buf,
#ifdef CONFIG_DEBUG_FS
.debugfs_init = rockchip_drm_debugfs_init,
#endif
.fops = &rockchip_drm_driver_fops,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,