diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_tcon.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tcon.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index 7136fc91c603..42651d737c55 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -1,35 +1,34 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2015 Free Electrons * Copyright (C) 2015 NextThing Co * * Maxime Ripard <[email protected]> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. */ -#include <drm/drmP.h> +#include <linux/component.h> +#include <linux/ioport.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/of_irq.h> +#include <linux/regmap.h> +#include <linux/reset.h> + #include <drm/drm_atomic_helper.h> +#include <drm/drm_bridge.h> #include <drm/drm_connector.h> #include <drm/drm_crtc.h> #include <drm/drm_encoder.h> #include <drm/drm_modes.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> +#include <drm/drm_vblank.h> #include <uapi/drm/drm_mode.h> -#include <linux/component.h> -#include <linux/ioport.h> -#include <linux/of_address.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> -#include <linux/regmap.h> -#include <linux/reset.h> - #include "sun4i_crtc.h" #include "sun4i_dotclock.h" #include "sun4i_drv.h" @@ -236,8 +235,8 @@ static struct sun4i_tcon *sun4i_get_tcon0(struct drm_device *drm) return NULL; } -void sun4i_tcon_set_mux(struct sun4i_tcon *tcon, int channel, - const struct drm_encoder *encoder) +static void sun4i_tcon_set_mux(struct sun4i_tcon *tcon, int channel, + const struct drm_encoder *encoder) { int ret = -ENOTSUPP; @@ -318,6 +317,7 @@ static void sun4i_tcon0_mode_set_dithering(struct sun4i_tcon *tcon, /* R and B components are only 5 bits deep */ val |= SUN4I_TCON0_FRM_CTL_MODE_R; val |= SUN4I_TCON0_FRM_CTL_MODE_B; + /* Fall through */ case MEDIA_BUS_FMT_RGB666_1X18: case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG: /* Fall through: enable dithering */ @@ -341,8 +341,8 @@ static void sun4i_tcon0_mode_set_cpu(struct sun4i_tcon *tcon, u32 block_space, start_delay; u32 tcon_div; - tcon->dclk_min_div = 4; - tcon->dclk_max_div = 127; + tcon->dclk_min_div = SUN6I_DSI_TCON_DIV; + tcon->dclk_max_div = SUN6I_DSI_TCON_DIV; sun4i_tcon0_mode_set_common(tcon, mode); @@ -482,14 +482,14 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, const struct drm_display_mode *mode) { struct drm_connector *connector = sun4i_tcon_get_connector(encoder); - struct drm_display_info display_info = connector->display_info; + const struct drm_display_info *info = &connector->display_info; unsigned int bp, hsync, vsync; u8 clk_delay; u32 val = 0; WARN_ON(!tcon->quirks->has_channel_0); - tcon->dclk_min_div = 6; + tcon->dclk_min_div = 1; tcon->dclk_max_div = 127; sun4i_tcon0_mode_set_common(tcon, mode); @@ -543,7 +543,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, if (mode->flags & DRM_MODE_FLAG_PVSYNC) val |= SUN4I_TCON0_IO_POL_VSYNC_POSITIVE; - if (display_info.bus_flags & DRM_BUS_FLAG_DE_LOW) + if (info->bus_flags & DRM_BUS_FLAG_DE_LOW) val |= SUN4I_TCON0_IO_POL_DE_NEGATIVE; /* @@ -561,10 +561,10 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon, * Following code is a way to avoid quirks all around TCON * and DOTCLOCK drivers. */ - if (display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_POSEDGE) + if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE) clk_set_phase(tcon->dclk, 240); - if (display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_NEGEDGE) + if (info->bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE) clk_set_phase(tcon->dclk, 0); regmap_update_bits(tcon->regs, SUN4I_TCON0_IO_POL_REG, |