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disp: msm: sde: provide rm status through debugfs node

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Provide rm status through debugfs node.
cat /d/dri/0/debug/rm_status.

Change-Id: Ic1950b1881f0b57582701a342793aa06adb9da39
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>
This commit is contained in:
Dhaval Patel
2021-03-02 22:52:25 -08:00
parent 53ff8d853a
commit c9a5def3b2
3 changed files with 71 additions and 0 deletions
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1
msm/sde/sde_kms.c
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@@ -154,6 +154,7 @@ static int _sde_debugfs_init(struct sde_kms *sde_kms)
SDE_ERROR("failed to init perf %d\n", rc); SDE_ERROR("failed to init perf %d\n", rc);
return rc; return rc;
} }
sde_rm_debugfs_init(&sde_kms->rm, debugfs_root);
if (sde_kms->catalog->qdss_count) if (sde_kms->catalog->qdss_count)
debugfs_create_u32("qdss", 0600, debugfs_root, debugfs_create_u32("qdss", 0600, debugfs_root,

64
msm/sde/sde_rm.c
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@@ -101,6 +101,22 @@ static const struct sde_rm_topology_def g_top_table_v1[SDE_RM_TOPOLOGY_MAX] = {
MSM_DISPLAY_COMPRESSION_DSC }, MSM_DISPLAY_COMPRESSION_DSC },
}; };
char sde_hw_blk_str[SDE_HW_BLK_MAX][SDE_HW_BLK_NAME_LEN] = {
"top",
"sspp",
"lm",
"dspp",
"ds",
"ctl",
"cdm",
"pingpong",
"intf",
"wb",
"dsc",
"vdc",
"merge_3d",
"qdss",
};
/** /**
* struct sde_rm_requirements - Reservation requirements parameter bundle * struct sde_rm_requirements - Reservation requirements parameter bundle
@@ -724,6 +740,54 @@ fail:
return rc; return rc;
} }
#ifdef CONFIG_DEBUG_FS
static int _sde_rm_status_show(struct seq_file *s, void *data)
{
struct sde_rm *rm;
struct sde_rm_hw_blk *blk;
u32 type, allocated, unallocated;
if (!s || !s->private)
return -EINVAL;
rm = s->private;
for (type = SDE_HW_BLK_LM; type < SDE_HW_BLK_MAX; type++) {
allocated = 0;
unallocated = 0;
list_for_each_entry(blk, &rm->hw_blks[type], list) {
if (!blk->rsvp && !blk->rsvp_nxt)
unallocated++;
else
allocated++;
}
seq_printf(s, "type:%d blk:%s allocated:%d unallocated:%d\n",
type, sde_hw_blk_str[type], allocated, unallocated);
}
return 0;
}
static int _sde_rm_debugfs_status_open(struct inode *inode,
struct file *file)
{
return single_open(file, _sde_rm_status_show, inode->i_private);
}
void sde_rm_debugfs_init(struct sde_rm *sde_rm, struct dentry *parent)
{
static const struct file_operations debugfs_rm_status_fops = {
.open = _sde_rm_debugfs_status_open,
.read = seq_read,
};
debugfs_create_file("rm_status", 0400, parent, sde_rm, &debugfs_rm_status_fops);
}
#else
void sde_rm_debugfs_init(struct sde_rm *rm, struct dentry *parent)
{
}
#endif
int sde_rm_init(struct sde_rm *rm, int sde_rm_init(struct sde_rm *rm,
struct sde_mdss_cfg *cat, struct sde_mdss_cfg *cat,
void __iomem *mmio, void __iomem *mmio,

6
msm/sde/sde_rm.h
View File

@@ -215,6 +215,12 @@ struct sde_rm_hw_request {
enum sde_rm_topology_name sde_rm_get_topology_name(struct sde_rm *rm, enum sde_rm_topology_name sde_rm_get_topology_name(struct sde_rm *rm,
struct msm_display_topology topology); struct msm_display_topology topology);
/**
* sde_rm_debugfs_init - setup debugfs node for rm module
* @rm: SDE resource manager handle
* @parent: debugfs parent directory node
*/
void sde_rm_debugfs_init(struct sde_rm *rm, struct dentry *parent);
/** /**
* sde_rm_init - Read hardware catalog and create reservation tracking objects * sde_rm_init - Read hardware catalog and create reservation tracking objects