Re: [PATCH 4/6] drm: bridge: samsung-dsim: Dynamically configure DPHY timing
From: Lucas Stach
Date: Mon Apr 17 2023 - 04:38:31 EST
Hi Adam,
Am Samstag, dem 15.04.2023 um 05:41 -0500 schrieb Adam Ford:
> NXP uses a lookup table to determine the various values for
> the PHY Timing based on the clock rate in their downstream
> kernel. Since the input clock can be variable, the phy
> settings need to be variable too. Add an additional variable
> to the driver data to enable this feature to prevent breaking
> boards that don't support it.
>
I haven't checked if this generates values close to the ones in this
table, but I guess it should be worth a try to use
phy_mipi_dphy_get_default_config() instead.
Regards,
Lucas
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/samsung-dsim.c | 85 +++++++--
> drivers/gpu/drm/bridge/samsung-dsim.h | 254 ++++++++++++++++++++++++++
> include/drm/bridge/samsung-dsim.h | 1 +
> 3 files changed, 326 insertions(+), 14 deletions(-)
> create mode 100644 drivers/gpu/drm/bridge/samsung-dsim.h
>
> diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
> index 73f0c3fbbdf5..c48db27adafe 100644
> --- a/drivers/gpu/drm/bridge/samsung-dsim.c
> +++ b/drivers/gpu/drm/bridge/samsung-dsim.c
> @@ -18,13 +18,14 @@
> #include <linux/media-bus-format.h>
> #include <linux/of_device.h>
> #include <linux/phy/phy.h>
> -
> +#include <linux/bsearch.h>
> #include <video/mipi_display.h>
> -
> #include <drm/bridge/samsung-dsim.h>
> #include <drm/drm_panel.h>
> #include <drm/drm_print.h>
>
> +#include "samsung-dsim.h"
> +
> /* returns true iff both arguments logically differs */
> #define NEQV(a, b) (!(a) ^ !(b))
>
> @@ -488,6 +489,7 @@ static const struct samsung_dsim_driver_data imx8mm_dsi_driver_data = {
> .m_min = 64,
> .m_max = 1023,
> .vco_min = 1050,
> + .dynamic_dphy = 1,
> };
>
> static const struct samsung_dsim_driver_data *
> @@ -694,18 +696,52 @@ static int samsung_dsim_enable_clock(struct samsung_dsim *dsi)
> return 0;
> }
>
> +static inline int dphy_timing_default_cmp(const void *key, const void *elt)
> +{
> + const struct sec_mipi_dsim_dphy_timing *_key = key;
> + const struct sec_mipi_dsim_dphy_timing *_elt = elt;
> +
> + /*
> + * find an element whose 'bit_clk' is equal to
> + * the key's 'bit_clk' value or, the difference
> + * between them is less than 5.
> + */
> +
> + if (abs((int)(_elt->bit_clk - _key->bit_clk)) <= 5)
> + return 0;
> +
> + if (_key->bit_clk < _elt->bit_clk)
> + /* search bottom half */
> + return 1;
> + else
> + /* search top half */
> + return -1;
> +}
> +
> static void samsung_dsim_set_phy_ctrl(struct samsung_dsim *dsi)
> {
> const struct samsung_dsim_driver_data *driver_data = dsi->driver_data;
> const unsigned int *reg_values = driver_data->reg_values;
> - u32 reg;
> -
> - if (driver_data->has_freqband)
> - return;
> + u32 reg = 0;
> + struct drm_display_mode *m = &dsi->mode;
> + struct sec_mipi_dsim_dphy_timing key = { 0 };
> + const struct sec_mipi_dsim_dphy_timing *match = NULL;
> + int bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
> +
> + /* Only dynamic dphy uses the lookup table to determine rates based on clock */
> + if (driver_data->dynamic_dphy) {
> + key.bit_clk = DIV_ROUND_UP(m->clock * bpp, dsi->lanes * 1000);
> +
> + match = bsearch(&key, dphy_timing_ln14lpp_v1p2,
> + ARRAY_SIZE(dphy_timing_ln14lpp_v1p2),
> + sizeof(struct sec_mipi_dsim_dphy_timing),
> + dphy_timing_default_cmp);
> + }
>
> /* B D-PHY: D-PHY Master & Slave Analog Block control */
> reg = reg_values[PHYCTRL_ULPS_EXIT] | reg_values[PHYCTRL_VREG_LP] |
> reg_values[PHYCTRL_SLEW_UP];
> +
> samsung_dsim_write(dsi, DSIM_PHYCTRL_REG, reg);
>
> /*
> @@ -713,7 +749,11 @@ static void samsung_dsim_set_phy_ctrl(struct samsung_dsim *dsi)
> * T HS-EXIT: Time that the transmitter drives LP-11 following a HS
> * burst
> */
> - reg = reg_values[PHYTIMING_LPX] | reg_values[PHYTIMING_HS_EXIT];
> + if (driver_data->dynamic_dphy)
> + reg = DSIM_PHYTIMING_LPX(match->lpx) | DSIM_PHYTIMING_HS_EXIT(match->hs_exit);
> + else
> + reg = reg_values[PHYTIMING_LPX] | reg_values[PHYTIMING_HS_EXIT];
> +
> samsung_dsim_write(dsi, DSIM_PHYTIMING_REG, reg);
>
> /*
> @@ -729,10 +769,17 @@ static void samsung_dsim_set_phy_ctrl(struct samsung_dsim *dsi)
> * T CLK-TRAIL: Time that the transmitter drives the HS-0 state after
> * the last payload clock bit of a HS transmission burst
> */
> - reg = reg_values[PHYTIMING_CLK_PREPARE] |
> - reg_values[PHYTIMING_CLK_ZERO] |
> - reg_values[PHYTIMING_CLK_POST] |
> - reg_values[PHYTIMING_CLK_TRAIL];
> + if (driver_data->dynamic_dphy) {
> + reg = DSIM_PHYTIMING1_CLK_PREPARE(match->clk_prepare) |
> + DSIM_PHYTIMING1_CLK_ZERO(match->clk_zero) |
> + DSIM_PHYTIMING1_CLK_POST(match->clk_post) |
> + DSIM_PHYTIMING1_CLK_TRAIL(match->clk_trail);
> + } else {
> + reg = reg_values[PHYTIMING_CLK_PREPARE] |
> + reg_values[PHYTIMING_CLK_ZERO] |
> + reg_values[PHYTIMING_CLK_POST] |
> + reg_values[PHYTIMING_CLK_TRAIL];
> + }
>
> samsung_dsim_write(dsi, DSIM_PHYTIMING1_REG, reg);
>
> @@ -745,8 +792,17 @@ static void samsung_dsim_set_phy_ctrl(struct samsung_dsim *dsi)
> * T HS-TRAIL: Time that the transmitter drives the flipped differential
> * state after last payload data bit of a HS transmission burst
> */
> - reg = reg_values[PHYTIMING_HS_PREPARE] | reg_values[PHYTIMING_HS_ZERO] |
> - reg_values[PHYTIMING_HS_TRAIL];
> +
> + if (driver_data->dynamic_dphy) {
> + reg = DSIM_PHYTIMING2_HS_PREPARE(match->hs_prepare) |
> + DSIM_PHYTIMING2_HS_ZERO(match->hs_zero) |
> + DSIM_PHYTIMING2_HS_TRAIL(match->hs_trail);
> + } else {
> + reg = reg_values[PHYTIMING_HS_PREPARE] |
> + reg_values[PHYTIMING_HS_ZERO] |
> + reg_values[PHYTIMING_HS_TRAIL];
> + }
> +
> samsung_dsim_write(dsi, DSIM_PHYTIMING2_REG, reg);
> }
>
> @@ -1353,7 +1409,8 @@ static int samsung_dsim_init(struct samsung_dsim *dsi)
> samsung_dsim_enable_clock(dsi);
> if (driver_data->wait_for_reset)
> samsung_dsim_wait_for_reset(dsi);
> - samsung_dsim_set_phy_ctrl(dsi);
> + if (!driver_data->has_freqband)
> + samsung_dsim_set_phy_ctrl(dsi);
> samsung_dsim_init_link(dsi);
>
> dsi->state |= DSIM_STATE_INITIALIZED;
> diff --git a/drivers/gpu/drm/bridge/samsung-dsim.h b/drivers/gpu/drm/bridge/samsung-dsim.h
> new file mode 100644
> index 000000000000..7a382a758cab
> --- /dev/null
> +++ b/drivers/gpu/drm/bridge/samsung-dsim.h
> @@ -0,0 +1,254 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +
> +/*
> + * Copyright 2018 NXP
> + *
> + * 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.
> + *
> + * 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.
> + */
> +
> +#ifndef __SEC_DSIM_DPHY_LN14LPP_H__
> +#define __SEC_DSIM_DPHY_LN14LPP_H__
> +
> +/* DPHY timings structure */
> +struct sec_mipi_dsim_dphy_timing {
> + uint32_t bit_clk; /* MHz */
> + uint32_t clk_prepare;
> + uint32_t clk_zero;
> + uint32_t clk_post;
> + uint32_t clk_trail;
> + uint32_t hs_prepare;
> + uint32_t hs_zero;
> + uint32_t hs_trail;
> + uint32_t lpx;
> + uint32_t hs_exit;
> +};
> +
> +#define DSIM_DPHY_TIMING(bclk, cpre, czero, cpost, ctrail, \
> + hpre, hzero, htrail, lp, hexit) \
> + .bit_clk = bclk, \
> + .clk_prepare = cpre, \
> + .clk_zero = czero, \
> + .clk_post = cpost, \
> + .clk_trail = ctrail, \
> + .hs_prepare = hpre, \
> + .hs_zero = hzero, \
> + .hs_trail = htrail, \
> + .lpx = lp, \
> + .hs_exit = hexit
> +
> +/* descending order based on 'bit_clk' value */
> +static const struct sec_mipi_dsim_dphy_timing dphy_timing_ln14lpp_v1p2[] = {
> + { DSIM_DPHY_TIMING(2100, 19, 91, 22, 19, 20, 35, 22, 15, 26), },
> + { DSIM_DPHY_TIMING(2090, 19, 91, 22, 19, 19, 35, 22, 15, 26), },
> + { DSIM_DPHY_TIMING(2080, 19, 91, 21, 18, 19, 35, 22, 15, 26), },
> + { DSIM_DPHY_TIMING(2070, 18, 90, 21, 18, 19, 35, 22, 15, 25), },
> + { DSIM_DPHY_TIMING(2060, 18, 90, 21, 18, 19, 34, 22, 15, 25), },
> + { DSIM_DPHY_TIMING(2050, 18, 89, 21, 18, 19, 34, 22, 15, 25), },
> + { DSIM_DPHY_TIMING(2040, 18, 89, 21, 18, 19, 34, 21, 15, 25), },
> + { DSIM_DPHY_TIMING(2030, 18, 88, 21, 18, 19, 34, 21, 15, 25), },
> + { DSIM_DPHY_TIMING(2020, 18, 88, 21, 18, 19, 34, 21, 15, 25), },
> + { DSIM_DPHY_TIMING(2010, 18, 87, 21, 18, 19, 34, 21, 15, 25), },
> + { DSIM_DPHY_TIMING(2000, 18, 87, 21, 18, 19, 33, 21, 15, 25), },
> + { DSIM_DPHY_TIMING(1990, 18, 87, 21, 18, 18, 33, 21, 14, 24), },
> + { DSIM_DPHY_TIMING(1980, 18, 86, 21, 18, 18, 33, 21, 14, 24), },
> + { DSIM_DPHY_TIMING(1970, 17, 86, 21, 17, 18, 33, 21, 14, 24), },
> + { DSIM_DPHY_TIMING(1960, 17, 85, 21, 17, 18, 33, 21, 14, 24), },
> + { DSIM_DPHY_TIMING(1950, 17, 85, 21, 17, 18, 32, 21, 14, 24), },
> + { DSIM_DPHY_TIMING(1940, 17, 84, 20, 17, 18, 32, 21, 14, 24), },
> + { DSIM_DPHY_TIMING(1930, 17, 84, 20, 17, 18, 32, 20, 14, 24), },
> + { DSIM_DPHY_TIMING(1920, 17, 84, 20, 17, 18, 32, 20, 14, 24), },
> + { DSIM_DPHY_TIMING(1910, 17, 83, 20, 17, 18, 32, 20, 14, 23), },
> + { DSIM_DPHY_TIMING(1900, 17, 83, 20, 17, 18, 32, 20, 14, 23), },
> + { DSIM_DPHY_TIMING(1890, 17, 82, 20, 17, 18, 31, 20, 14, 23), },
> + { DSIM_DPHY_TIMING(1880, 17, 82, 20, 17, 17, 31, 20, 14, 23), },
> + { DSIM_DPHY_TIMING(1870, 17, 81, 20, 17, 17, 31, 20, 14, 23), },
> + { DSIM_DPHY_TIMING(1860, 16, 81, 20, 17, 17, 31, 20, 13, 23), },
> + { DSIM_DPHY_TIMING(1850, 16, 80, 20, 16, 17, 31, 20, 13, 23), },
> + { DSIM_DPHY_TIMING(1840, 16, 80, 20, 16, 17, 30, 20, 13, 23), },
> + { DSIM_DPHY_TIMING(1830, 16, 80, 20, 16, 17, 30, 20, 13, 22), },
> + { DSIM_DPHY_TIMING(1820, 16, 79, 20, 16, 17, 30, 19, 13, 22), },
> + { DSIM_DPHY_TIMING(1810, 16, 79, 19, 16, 17, 30, 19, 13, 22), },
> + { DSIM_DPHY_TIMING(1800, 16, 78, 19, 16, 17, 30, 19, 13, 22), },
> + { DSIM_DPHY_TIMING(1790, 16, 78, 19, 16, 17, 30, 19, 13, 22), },
> + { DSIM_DPHY_TIMING(1780, 16, 77, 19, 16, 16, 29, 19, 13, 22), },
> + { DSIM_DPHY_TIMING(1770, 16, 77, 19, 16, 16, 29, 19, 13, 22), },
> + { DSIM_DPHY_TIMING(1760, 16, 77, 19, 16, 16, 29, 19, 13, 22), },
> + { DSIM_DPHY_TIMING(1750, 15, 76, 19, 16, 16, 29, 19, 13, 21), },
> + { DSIM_DPHY_TIMING(1740, 15, 76, 19, 15, 16, 29, 19, 13, 21), },
> + { DSIM_DPHY_TIMING(1730, 15, 75, 19, 15, 16, 28, 19, 12, 21), },
> + { DSIM_DPHY_TIMING(1720, 15, 75, 19, 15, 16, 28, 19, 12, 21), },
> + { DSIM_DPHY_TIMING(1710, 15, 74, 19, 15, 16, 28, 18, 12, 21), },
> + { DSIM_DPHY_TIMING(1700, 15, 74, 19, 15, 16, 28, 18, 12, 21), },
> + { DSIM_DPHY_TIMING(1690, 15, 73, 19, 15, 16, 28, 18, 12, 21), },
> + { DSIM_DPHY_TIMING(1680, 15, 73, 18, 15, 16, 28, 18, 12, 21), },
> + { DSIM_DPHY_TIMING(1670, 15, 73, 18, 15, 15, 27, 18, 12, 20), },
> + { DSIM_DPHY_TIMING(1660, 15, 72, 18, 15, 15, 27, 18, 12, 20), },
> + { DSIM_DPHY_TIMING(1650, 14, 72, 18, 15, 15, 27, 18, 12, 20), },
> + { DSIM_DPHY_TIMING(1640, 14, 71, 18, 15, 15, 27, 18, 12, 20), },
> + { DSIM_DPHY_TIMING(1630, 14, 71, 18, 15, 15, 27, 18, 12, 20), },
> + { DSIM_DPHY_TIMING(1620, 14, 70, 18, 14, 15, 26, 18, 12, 20), },
> + { DSIM_DPHY_TIMING(1610, 14, 70, 18, 14, 15, 26, 17, 12, 20), },
> + { DSIM_DPHY_TIMING(1600, 14, 70, 18, 14, 15, 26, 17, 12, 20), },
> + { DSIM_DPHY_TIMING(1590, 14, 69, 18, 14, 15, 26, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1580, 14, 69, 18, 14, 15, 26, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1570, 14, 68, 18, 14, 15, 26, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1560, 14, 68, 18, 14, 14, 25, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1550, 14, 67, 18, 14, 14, 25, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1540, 13, 67, 17, 14, 14, 25, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1530, 13, 66, 17, 14, 14, 25, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1520, 13, 66, 17, 14, 14, 25, 17, 11, 19), },
> + { DSIM_DPHY_TIMING(1510, 13, 66, 17, 13, 14, 24, 17, 11, 18), },
> + { DSIM_DPHY_TIMING(1500, 13, 65, 17, 13, 14, 24, 16, 11, 18), },
> + { DSIM_DPHY_TIMING(1490, 13, 65, 17, 13, 14, 24, 16, 11, 18), },
> + { DSIM_DPHY_TIMING(1480, 13, 64, 17, 13, 14, 24, 16, 11, 18), },
> + { DSIM_DPHY_TIMING(1470, 13, 64, 17, 13, 14, 24, 16, 11, 18), },
> + { DSIM_DPHY_TIMING(1460, 13, 63, 17, 13, 13, 24, 16, 10, 18), },
> + { DSIM_DPHY_TIMING(1450, 13, 63, 17, 13, 13, 23, 16, 10, 18), },
> + { DSIM_DPHY_TIMING(1440, 13, 63, 17, 13, 13, 23, 16, 10, 18), },
> + { DSIM_DPHY_TIMING(1430, 12, 62, 17, 13, 13, 23, 16, 10, 17), },
> + { DSIM_DPHY_TIMING(1420, 12, 62, 17, 13, 13, 23, 16, 10, 17), },
> + { DSIM_DPHY_TIMING(1410, 12, 61, 16, 13, 13, 23, 16, 10, 17), },
> + { DSIM_DPHY_TIMING(1400, 12, 61, 16, 13, 13, 23, 16, 10, 17), },
> + { DSIM_DPHY_TIMING(1390, 12, 60, 16, 12, 13, 22, 15, 10, 17), },
> + { DSIM_DPHY_TIMING(1380, 12, 60, 16, 12, 13, 22, 15, 10, 17), },
> + { DSIM_DPHY_TIMING(1370, 12, 59, 16, 12, 13, 22, 15, 10, 17), },
> + { DSIM_DPHY_TIMING(1360, 12, 59, 16, 12, 13, 22, 15, 10, 17), },
> + { DSIM_DPHY_TIMING(1350, 12, 59, 16, 12, 12, 22, 15, 10, 16), },
> + { DSIM_DPHY_TIMING(1340, 12, 58, 16, 12, 12, 21, 15, 10, 16), },
> + { DSIM_DPHY_TIMING(1330, 11, 58, 16, 12, 12, 21, 15, 9, 16), },
> + { DSIM_DPHY_TIMING(1320, 11, 57, 16, 12, 12, 21, 15, 9, 16), },
> + { DSIM_DPHY_TIMING(1310, 11, 57, 16, 12, 12, 21, 15, 9, 16), },
> + { DSIM_DPHY_TIMING(1300, 11, 56, 16, 12, 12, 21, 15, 9, 16), },
> + { DSIM_DPHY_TIMING(1290, 11, 56, 16, 12, 12, 21, 15, 9, 16), },
> + { DSIM_DPHY_TIMING(1280, 11, 56, 15, 11, 12, 20, 14, 9, 16), },
> + { DSIM_DPHY_TIMING(1270, 11, 55, 15, 11, 12, 20, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1260, 11, 55, 15, 11, 12, 20, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1250, 11, 54, 15, 11, 11, 20, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1240, 11, 54, 15, 11, 11, 20, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1230, 11, 53, 15, 11, 11, 19, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1220, 10, 53, 15, 11, 11, 19, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1210, 10, 52, 15, 11, 11, 19, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1200, 10, 52, 15, 11, 11, 19, 14, 9, 15), },
> + { DSIM_DPHY_TIMING(1190, 10, 52, 15, 11, 11, 19, 14, 8, 14), },
> + { DSIM_DPHY_TIMING(1180, 10, 51, 15, 11, 11, 19, 13, 8, 14), },
> + { DSIM_DPHY_TIMING(1170, 10, 51, 15, 10, 11, 18, 13, 8, 14), },
> + { DSIM_DPHY_TIMING(1160, 10, 50, 15, 10, 11, 18, 13, 8, 14), },
> + { DSIM_DPHY_TIMING(1150, 10, 50, 15, 10, 11, 18, 13, 8, 14), },
> + { DSIM_DPHY_TIMING(1140, 10, 49, 14, 10, 10, 18, 13, 8, 14), },
> + { DSIM_DPHY_TIMING(1130, 10, 49, 14, 10, 10, 18, 13, 8, 14), },
> + { DSIM_DPHY_TIMING(1120, 10, 49, 14, 10, 10, 17, 13, 8, 14), },
> + { DSIM_DPHY_TIMING(1110, 9, 48, 14, 10, 10, 17, 13, 8, 13), },
> + { DSIM_DPHY_TIMING(1100, 9, 48, 14, 10, 10, 17, 13, 8, 13), },
> + { DSIM_DPHY_TIMING(1090, 9, 47, 14, 10, 10, 17, 13, 8, 13), },
> + { DSIM_DPHY_TIMING(1080, 9, 47, 14, 10, 10, 17, 13, 8, 13), },
> + { DSIM_DPHY_TIMING(1070, 9, 46, 14, 10, 10, 17, 12, 8, 13), },
> + { DSIM_DPHY_TIMING(1060, 9, 46, 14, 10, 10, 16, 12, 7, 13), },
> + { DSIM_DPHY_TIMING(1050, 9, 45, 14, 9, 10, 16, 12, 7, 13), },
> + { DSIM_DPHY_TIMING(1040, 9, 45, 14, 9, 10, 16, 12, 7, 13), },
> + { DSIM_DPHY_TIMING(1030, 9, 45, 14, 9, 9, 16, 12, 7, 12), },
> + { DSIM_DPHY_TIMING(1020, 9, 44, 14, 9, 9, 16, 12, 7, 12), },
> + { DSIM_DPHY_TIMING(1010, 8, 44, 13, 9, 9, 15, 12, 7, 12), },
> + { DSIM_DPHY_TIMING(1000, 8, 43, 13, 9, 9, 15, 12, 7, 12), },
> + { DSIM_DPHY_TIMING(990, 8, 43, 13, 9, 9, 15, 12, 7, 12), },
> + { DSIM_DPHY_TIMING(980, 8, 42, 13, 9, 9, 15, 12, 7, 12), },
> + { DSIM_DPHY_TIMING(970, 8, 42, 13, 9, 9, 15, 12, 7, 12), },
> + { DSIM_DPHY_TIMING(960, 8, 42, 13, 9, 9, 15, 11, 7, 12), },
> + { DSIM_DPHY_TIMING(950, 8, 41, 13, 9, 9, 14, 11, 7, 11), },
> + { DSIM_DPHY_TIMING(940, 8, 41, 13, 8, 9, 14, 11, 7, 11), },
> + { DSIM_DPHY_TIMING(930, 8, 40, 13, 8, 8, 14, 11, 6, 11), },
> + { DSIM_DPHY_TIMING(920, 8, 40, 13, 8, 8, 14, 11, 6, 11), },
> + { DSIM_DPHY_TIMING(910, 8, 39, 13, 8, 8, 14, 11, 6, 11), },
> + { DSIM_DPHY_TIMING(900, 7, 39, 13, 8, 8, 13, 11, 6, 11), },
> + { DSIM_DPHY_TIMING(890, 7, 38, 13, 8, 8, 13, 11, 6, 11), },
> + { DSIM_DPHY_TIMING(880, 7, 38, 12, 8, 8, 13, 11, 6, 11), },
> + { DSIM_DPHY_TIMING(870, 7, 38, 12, 8, 8, 13, 11, 6, 10), },
> + { DSIM_DPHY_TIMING(860, 7, 37, 12, 8, 8, 13, 11, 6, 10), },
> + { DSIM_DPHY_TIMING(850, 7, 37, 12, 8, 8, 13, 10, 6, 10), },
> + { DSIM_DPHY_TIMING(840, 7, 36, 12, 8, 8, 12, 10, 6, 10), },
> + { DSIM_DPHY_TIMING(830, 7, 36, 12, 8, 8, 12, 10, 6, 10), },
> + { DSIM_DPHY_TIMING(820, 7, 35, 12, 7, 7, 12, 10, 6, 10), },
> + { DSIM_DPHY_TIMING(810, 7, 35, 12, 7, 7, 12, 10, 6, 10), },
> + { DSIM_DPHY_TIMING(800, 7, 35, 12, 7, 7, 12, 10, 6, 10), },
> + { DSIM_DPHY_TIMING(790, 6, 34, 12, 7, 7, 11, 10, 5, 9), },
> + { DSIM_DPHY_TIMING(780, 6, 34, 12, 7, 7, 11, 10, 5, 9), },
> + { DSIM_DPHY_TIMING(770, 6, 33, 12, 7, 7, 11, 10, 5, 9), },
> + { DSIM_DPHY_TIMING(760, 6, 33, 12, 7, 7, 11, 10, 5, 9), },
> + { DSIM_DPHY_TIMING(750, 6, 32, 12, 7, 7, 11, 9, 5, 9), },
> + { DSIM_DPHY_TIMING(740, 6, 32, 11, 7, 7, 11, 9, 5, 9), },
> + { DSIM_DPHY_TIMING(730, 6, 31, 11, 7, 7, 10, 9, 5, 9), },
> + { DSIM_DPHY_TIMING(720, 6, 31, 11, 7, 6, 10, 9, 5, 9), },
> + { DSIM_DPHY_TIMING(710, 6, 31, 11, 6, 6, 10, 9, 5, 8), },
> + { DSIM_DPHY_TIMING(700, 6, 30, 11, 6, 6, 10, 9, 5, 8), },
> + { DSIM_DPHY_TIMING(690, 5, 30, 11, 6, 6, 10, 9, 5, 8), },
> + { DSIM_DPHY_TIMING(680, 5, 29, 11, 6, 6, 9, 9, 5, 8), },
> + { DSIM_DPHY_TIMING(670, 5, 29, 11, 6, 6, 9, 9, 5, 8), },
> + { DSIM_DPHY_TIMING(660, 5, 28, 11, 6, 6, 9, 9, 4, 8), },
> + { DSIM_DPHY_TIMING(650, 5, 28, 11, 6, 6, 9, 9, 4, 8), },
> + { DSIM_DPHY_TIMING(640, 5, 28, 11, 6, 6, 9, 8, 4, 8), },
> + { DSIM_DPHY_TIMING(630, 5, 27, 11, 6, 6, 9, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(620, 5, 27, 11, 6, 6, 8, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(610, 5, 26, 10, 6, 5, 8, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(600, 5, 26, 10, 6, 5, 8, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(590, 5, 25, 10, 5, 5, 8, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(580, 4, 25, 10, 5, 5, 8, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(570, 4, 24, 10, 5, 5, 7, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(560, 4, 24, 10, 5, 5, 7, 8, 4, 7), },
> + { DSIM_DPHY_TIMING(550, 4, 24, 10, 5, 5, 7, 8, 4, 6), },
> + { DSIM_DPHY_TIMING(540, 4, 23, 10, 5, 5, 7, 8, 4, 6), },
> + { DSIM_DPHY_TIMING(530, 4, 23, 10, 5, 5, 7, 7, 3, 6), },
> + { DSIM_DPHY_TIMING(520, 4, 22, 10, 5, 5, 7, 7, 3, 6), },
> + { DSIM_DPHY_TIMING(510, 4, 22, 10, 5, 5, 6, 7, 3, 6), },
> + { DSIM_DPHY_TIMING(500, 4, 21, 10, 5, 4, 6, 7, 3, 6), },
> + { DSIM_DPHY_TIMING(490, 4, 21, 10, 5, 4, 6, 7, 3, 6), },
> + { DSIM_DPHY_TIMING(480, 4, 21, 9, 4, 4, 6, 7, 3, 6), },
> + { DSIM_DPHY_TIMING(470, 3, 20, 9, 4, 4, 6, 7, 3, 5), },
> + { DSIM_DPHY_TIMING(460, 3, 20, 9, 4, 4, 5, 7, 3, 5), },
> + { DSIM_DPHY_TIMING(450, 3, 19, 9, 4, 4, 5, 7, 3, 5), },
> + { DSIM_DPHY_TIMING(440, 3, 19, 9, 4, 4, 5, 7, 3, 5), },
> + { DSIM_DPHY_TIMING(430, 3, 18, 9, 4, 4, 5, 7, 3, 5), },
> + { DSIM_DPHY_TIMING(420, 3, 18, 9, 4, 4, 5, 6, 3, 5), },
> + { DSIM_DPHY_TIMING(410, 3, 17, 9, 4, 4, 5, 6, 3, 5), },
> + { DSIM_DPHY_TIMING(400, 3, 17, 9, 4, 3, 4, 6, 3, 5), },
> + { DSIM_DPHY_TIMING(390, 3, 17, 9, 4, 3, 4, 6, 2, 4), },
> + { DSIM_DPHY_TIMING(380, 3, 16, 9, 4, 3, 4, 6, 2, 4), },
> + { DSIM_DPHY_TIMING(370, 2, 16, 9, 3, 3, 4, 6, 2, 4), },
> + { DSIM_DPHY_TIMING(360, 2, 15, 9, 3, 3, 4, 6, 2, 4), },
> + { DSIM_DPHY_TIMING(350, 2, 15, 9, 3, 3, 3, 6, 2, 4), },
> + { DSIM_DPHY_TIMING(340, 2, 14, 8, 3, 3, 3, 6, 2, 4), },
> + { DSIM_DPHY_TIMING(330, 2, 14, 8, 3, 3, 3, 6, 2, 4), },
> + { DSIM_DPHY_TIMING(320, 2, 14, 8, 3, 3, 3, 5, 2, 4), },
> + { DSIM_DPHY_TIMING(310, 2, 13, 8, 3, 3, 3, 5, 2, 3), },
> + { DSIM_DPHY_TIMING(300, 2, 13, 8, 3, 3, 3, 5, 2, 3), },
> + { DSIM_DPHY_TIMING(290, 2, 12, 8, 3, 2, 2, 5, 2, 3), },
> + { DSIM_DPHY_TIMING(280, 2, 12, 8, 3, 2, 2, 5, 2, 3), },
> + { DSIM_DPHY_TIMING(270, 2, 11, 8, 3, 2, 2, 5, 2, 3), },
> + { DSIM_DPHY_TIMING(260, 1, 11, 8, 3, 2, 2, 5, 1, 3), },
> + { DSIM_DPHY_TIMING(250, 1, 10, 8, 2, 2, 2, 5, 1, 3), },
> + { DSIM_DPHY_TIMING(240, 1, 9, 8, 2, 2, 1, 5, 1, 3), },
> + { DSIM_DPHY_TIMING(230, 1, 8, 8, 2, 2, 1, 5, 1, 2), },
> + { DSIM_DPHY_TIMING(220, 1, 8, 8, 2, 2, 1, 5, 1, 2), },
> + { DSIM_DPHY_TIMING(210, 1, 7, 7, 2, 2, 1, 4, 1, 2), },
> + { DSIM_DPHY_TIMING(200, 1, 7, 7, 2, 2, 1, 4, 1, 2), },
> + { DSIM_DPHY_TIMING(190, 1, 7, 7, 2, 1, 1, 4, 1, 2), },
> + { DSIM_DPHY_TIMING(180, 1, 6, 7, 2, 1, 0, 4, 1, 2), },
> + { DSIM_DPHY_TIMING(170, 1, 6, 7, 2, 1, 0, 4, 1, 2), },
> + { DSIM_DPHY_TIMING(160, 1, 6, 7, 2, 1, 0, 4, 1, 2), },
> + { DSIM_DPHY_TIMING(150, 0, 5, 7, 2, 1, 0, 4, 1, 1), },
> + { DSIM_DPHY_TIMING(140, 0, 5, 7, 1, 1, 0, 4, 1, 1), },
> + { DSIM_DPHY_TIMING(130, 0, 4, 7, 1, 1, 0, 4, 0, 1), },
> + { DSIM_DPHY_TIMING(120, 0, 4, 7, 1, 1, 0, 4, 0, 1), },
> + { DSIM_DPHY_TIMING(110, 0, 3, 7, 1, 0, 0, 4, 0, 1), },
> + { DSIM_DPHY_TIMING(100, 0, 3, 7, 1, 0, 0, 3, 0, 1), },
> + { DSIM_DPHY_TIMING(90, 0, 2, 7, 1, 0, 0, 3, 0, 1), },
> + { DSIM_DPHY_TIMING(80, 0, 2, 6, 1, 0, 0, 3, 0, 1), },
> +};
> +
> +#endif
> diff --git a/include/drm/bridge/samsung-dsim.h b/include/drm/bridge/samsung-dsim.h
> index a088d84579bc..25475d78adb3 100644
> --- a/include/drm/bridge/samsung-dsim.h
> +++ b/include/drm/bridge/samsung-dsim.h
> @@ -62,6 +62,7 @@ struct samsung_dsim_driver_data {
> u16 m_min;
> u16 m_max;
> u64 vco_min;
> + bool dynamic_dphy;
> };
>
> struct samsung_dsim_host_ops {