forked from Minki/linux
141518d234
While debugging an X11 display failure, I wanted to see where we were actually scanning out from. This is probably generally useful to others that might be working on this device. v2: Fix uint32_t sparse warning. Signed-off-by: Eric Anholt <eric@anholt.net> Link: http://patchwork.freedesktop.org/patch/msgid/20170518005640.10310-1-eric@anholt.net Reviewed-by: Linus Walleij <linus.walleij@linaro.org> (v1)
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/*
|
|
* Copyright © 2017 Broadcom
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/amba/clcd-regs.h>
|
|
#include <linux/seq_file.h>
|
|
#include <drm/drm_debugfs.h>
|
|
#include <drm/drmP.h>
|
|
#include "pl111_drm.h"
|
|
|
|
#define REGDEF(reg) { reg, #reg }
|
|
static const struct {
|
|
u32 reg;
|
|
const char *name;
|
|
} pl111_reg_defs[] = {
|
|
REGDEF(CLCD_TIM0),
|
|
REGDEF(CLCD_TIM1),
|
|
REGDEF(CLCD_TIM2),
|
|
REGDEF(CLCD_TIM3),
|
|
REGDEF(CLCD_UBAS),
|
|
REGDEF(CLCD_PL111_CNTL),
|
|
REGDEF(CLCD_PL111_IENB),
|
|
};
|
|
|
|
int pl111_debugfs_regs(struct seq_file *m, void *unused)
|
|
{
|
|
struct drm_info_node *node = (struct drm_info_node *)m->private;
|
|
struct drm_device *dev = node->minor->dev;
|
|
struct pl111_drm_dev_private *priv = dev->dev_private;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(pl111_reg_defs); i++) {
|
|
seq_printf(m, "%s (0x%04x): 0x%08x\n",
|
|
pl111_reg_defs[i].name, pl111_reg_defs[i].reg,
|
|
readl(priv->regs + pl111_reg_defs[i].reg));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct drm_info_list pl111_debugfs_list[] = {
|
|
{"regs", pl111_debugfs_regs, 0},
|
|
};
|
|
|
|
int
|
|
pl111_debugfs_init(struct drm_minor *minor)
|
|
{
|
|
return drm_debugfs_create_files(pl111_debugfs_list,
|
|
ARRAY_SIZE(pl111_debugfs_list),
|
|
minor->debugfs_root, minor);
|
|
}
|