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msm: kgsl: remove ib_dump debugfs file

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This has not been found to be useful for hang debugging.

Change-Id: Ie8cfb6bcbb8f81d8da903d5062bc75fcc4c3bee4
Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
This commit is contained in:
Jeremy Gebben
2011-12-02 16:47:40 -07:00
parent a3d07a4bee
commit 8db5da8a23
1 changed files with 0 additions and 97 deletions
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97
drivers/gpu/msm/adreno_debugfs.c
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@@ -25,9 +25,6 @@
unsigned int kgsl_cff_dump_enable;
int kgsl_pm_regs_enabled;
static uint32_t kgsl_ib_base;
static uint32_t kgsl_ib_size;
static struct dentry *pm_d_debugfs;
static int pm_dump_set(void *data, u64 val)
@@ -115,98 +112,6 @@ static int kgsl_hex_dump(const char *prefix, int c, uint8_t *data,
return ss;
}
static ssize_t kgsl_ib_dump_read(
struct file *file,
char __user *buff,
size_t buff_count,
loff_t *ppos)
{
int i, count = kgsl_ib_size, remaining, pos = 0, tot = 0, ss;
struct kgsl_device *device = file->private_data;
const int rowc = 32;
unsigned int pt_base, ib_memsize;
uint8_t *base_addr;
char linebuf[80];
if (!ppos || !device || !kgsl_ib_base)
return 0;
kgsl_regread(device, MH_MMU_PT_BASE, &pt_base);
base_addr = kgsl_sharedmem_convertaddr(device, pt_base, kgsl_ib_base,
&ib_memsize);
if (!base_addr)
return 0;
pr_info("%s ppos=%ld, buff_count=%d, count=%d\n", __func__, (long)*ppos,
buff_count, count);
ss = snprintf(linebuf, sizeof(linebuf), "IB: base=%08x(%08x"
"), size=%d, memsize=%d\n", kgsl_ib_base,
(uint32_t)base_addr, kgsl_ib_size, ib_memsize);
if (*ppos == 0) {
if (copy_to_user(buff, linebuf, ss+1))
return -EFAULT;
tot += ss;
buff += ss;
*ppos += ss;
}
pos += ss;
remaining = count;
for (i = 0; i < count; i += rowc) {
int linec = min(remaining, rowc);
remaining -= rowc;
ss = kgsl_hex_dump("IB: %05x: ", i, base_addr, rowc, linec,
buff);
if (ss < 0)
return ss;
if (pos >= *ppos) {
if (tot+ss >= buff_count) {
ss = copy_to_user(buff, "", 1);
return tot;
}
tot += ss;
buff += ss;
*ppos += ss;
}
pos += ss;
base_addr += linec;
}
return tot;
}
static ssize_t kgsl_ib_dump_write(
struct file *file,
const char __user *buff,
size_t count,
loff_t *ppos)
{
char local_buff[64];
if (count >= sizeof(local_buff))
return -EFAULT;
if (copy_from_user(local_buff, buff, count))
return -EFAULT;
local_buff[count] = 0; /* end of string */
sscanf(local_buff, "%x %d", &kgsl_ib_base, &kgsl_ib_size);
pr_info("%s: base=%08X size=%d\n", __func__, kgsl_ib_base,
kgsl_ib_size);
return count;
}
static const struct file_operations kgsl_ib_dump_fops = {
.open = kgsl_dbgfs_open,
.release = kgsl_dbgfs_release,
.read = kgsl_ib_dump_read,
.write = kgsl_ib_dump_write,
};
static int kgsl_regread_nolock(struct kgsl_device *device,
unsigned int offsetwords, unsigned int *value)
{
@@ -429,8 +334,6 @@ void adreno_debugfs_init(struct kgsl_device *device)
if (!device->d_debugfs || IS_ERR(device->d_debugfs))
return;
debugfs_create_file("ib_dump", 0600, device->d_debugfs, device,
&kgsl_ib_dump_fops);
debugfs_create_file("istore", 0400, device->d_debugfs, device,
&kgsl_istore_fops);
debugfs_create_file("sx_debug", 0400, device->d_debugfs, device,