diff options
| author | Eric Anholt <eric@anholt.net> | 2019-02-20 13:03:38 -0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2019-04-01 10:44:34 -0700 |
| commit | 3051719af11eb48dc8947826cfb66dbe0f281c7d (patch) | |
| tree | 5052ed5f39f0a492c1bba980d71c831e2ccddfa0 /drivers/gpu/drm/vc4/vc4_dpi.c | |
| parent | 5f513cc89edfbb395b71ebf09d971666e23758db (diff) | |
drm/vc4: Use drm_print_regset32() for our debug register dumping.
This removes a bunch of duplicated boilerplate for the debugfs vs
runtime printk debug dumping.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190220210343.28157-2-eric@anholt.net
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_dpi.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_dpi.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index 169521e547ba..8be2264f496a 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -101,6 +101,8 @@ struct vc4_dpi { struct clk *pixel_clock; struct clk *core_clock; + + struct debugfs_regset32 regset; }; #define DPI_READ(offset) readl(dpi->regs + (offset)) @@ -118,13 +120,9 @@ to_vc4_dpi_encoder(struct drm_encoder *encoder) return container_of(encoder, struct vc4_dpi_encoder, base.base); } -#define DPI_REG(reg) { reg, #reg } -static const struct { - u32 reg; - const char *name; -} dpi_regs[] = { - DPI_REG(DPI_C), - DPI_REG(DPI_ID), +static const struct debugfs_reg32 dpi_regs[] = { + VC4_REG32(DPI_C), + VC4_REG32(DPI_ID), }; #ifdef CONFIG_DEBUG_FS @@ -134,16 +132,12 @@ int vc4_dpi_debugfs_regs(struct seq_file *m, void *unused) struct drm_device *dev = node->minor->dev; struct vc4_dev *vc4 = to_vc4_dev(dev); struct vc4_dpi *dpi = vc4->dpi; - int i; + struct drm_printer p = drm_seq_file_printer(m); if (!dpi) return 0; - for (i = 0; i < ARRAY_SIZE(dpi_regs); i++) { - seq_printf(m, "%s (0x%04x): 0x%08x\n", - dpi_regs[i].name, dpi_regs[i].reg, - DPI_READ(dpi_regs[i].reg)); - } + drm_print_regset32(&p, &dpi->regset); return 0; } @@ -314,6 +308,9 @@ static int vc4_dpi_bind(struct device *dev, struct device *master, void *data) dpi->regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(dpi->regs)) return PTR_ERR(dpi->regs); + dpi->regset.base = dpi->regs; + dpi->regset.regs = dpi_regs; + dpi->regset.nregs = ARRAY_SIZE(dpi_regs); if (DPI_READ(DPI_ID) != DPI_ID_VALUE) { dev_err(dev, "Port returned 0x%08x for ID instead of 0x%08x\n", |