diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_dpi.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_dpi.c | 55 |
1 files changed, 13 insertions, 42 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index 169521e547ba..c586325de2a5 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2016 Broadcom Limited - * - * 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. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ /** @@ -101,6 +90,8 @@ struct vc4_dpi { struct clk *pixel_clock; struct clk *core_clock; + + struct debugfs_regset32 regset; }; #define DPI_READ(offset) readl(dpi->regs + (offset)) @@ -118,37 +109,11 @@ 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 -int vc4_dpi_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 vc4_dev *vc4 = to_vc4_dev(dev); - struct vc4_dpi *dpi = vc4->dpi; - int i; - - 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)); - } - - return 0; -} -#endif - static const struct drm_encoder_funcs vc4_dpi_encoder_funcs = { .destroy = drm_encoder_cleanup, }; @@ -284,7 +249,8 @@ static int vc4_dpi_init_bridge(struct vc4_dpi *dpi) } if (panel) - bridge = drm_panel_bridge_add(panel, DRM_MODE_CONNECTOR_DPI); + bridge = drm_panel_bridge_add_typed(panel, + DRM_MODE_CONNECTOR_DPI); return drm_bridge_attach(dpi->encoder, bridge, NULL); } @@ -314,6 +280,9 @@ 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", @@ -352,6 +321,8 @@ static int vc4_dpi_bind(struct device *dev, struct device *master, void *data) vc4->dpi = dpi; + vc4_debugfs_add_regset32(drm, "dpi_regs", &dpi->regset); + return 0; err_destroy_encoder: |