Unverified Commit 72a0cfdc authored by Dario Binacchi's avatar Dario Binacchi Committed by Robert Foss
Browse files

drm: bridge: samsung-dsim: complete the CLKLANE_STOP setting 



The patch completes the setting of CLKLANE_STOP for the imx8m{m,n,p}
platforms (i. e. not exynos).

Co-developed-by: default avatarMichael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: default avatarMichael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: default avatarDario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: default avatarRobert Foss <rfoss@kernel.org>
Signed-off-by: default avatarRobert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231218084354.508942-3-dario.binacchi@amarulasolutions.com
parent b2fe2292

drivers/gpu/drm/bridge/samsung-dsim.c

+6 −1
Original line number Diff line number Diff line
@@ -96,6 +96,7 @@ 
#define DSIM_MFLUSH_VS			BIT(29)

/* This flag is valid only for exynos3250/3472/5260/5430 */

#define DSIM_CLKLANE_STOP		BIT(30)

#define DSIM_NON_CONTINUOUS_CLKLANE	BIT(31)



/* DSIM_ESCMODE */

#define DSIM_TX_TRIGGER_RST		BIT(4)
@@ -945,8 +946,12 @@ static int samsung_dsim_init_link(struct samsung_dsim *dsi) 
	 * power consumption.

	 */

	if (driver_data->has_clklane_stop &&

	    dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)

	    dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) {

		if (!samsung_dsim_hw_is_exynos(dsi->plat_data->hw_type))

			reg |= DSIM_NON_CONTINUOUS_CLKLANE;



		reg |= DSIM_CLKLANE_STOP;

	}

	samsung_dsim_write(dsi, DSIM_CONFIG_REG, reg);



	lanes_mask = BIT(dsi->lanes) - 1;