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From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: Amarula patchwork <linux-amarula@amarulasolutions.com>,
	michael@amarulasolutions.com,
	Dario Binacchi <dario.binacchi@amarulasolutions.com>,
	Andrzej Hajda <andrzej.hajda@intel.com>,
	Daniel Vetter <daniel@ffwll.ch>, David Airlie <airlied@gmail.com>,
	Inki Dae <inki.dae@samsung.com>,
	Jagan Teki <jagan@amarulasolutions.com>,
	Jernej Skrabec <jernej.skrabec@gmail.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Maxime Ripard <mripard@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Robert Foss <rfoss@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	dri-devel@lists.freedesktop.org
Subject: [PATCH v4 04/10] drm: bridge: samsung-dsim: complete the CLKLANE_STOP setting
Date: Tue,  5 Dec 2023 11:52:51 +0100	[thread overview]
Message-ID: <20231205105341.4100896-5-dario.binacchi@amarulasolutions.com> (raw)
In-Reply-To: <20231205105341.4100896-1-dario.binacchi@amarulasolutions.com>

The patch completes the setting of CLKLANE_STOP for the imx8mn and imx8mp
platforms (i. e. not exynos).

Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

(no changes since v1)

 drivers/gpu/drm/bridge/samsung-dsim.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
index 15bf05b2bbe4..13f181c99d7e 100644
--- a/drivers/gpu/drm/bridge/samsung-dsim.c
+++ b/drivers/gpu/drm/bridge/samsung-dsim.c
@@ -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;
-- 
2.43.0


  parent reply	other threads:[~2023-12-05 10:54 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-05 10:52 [PATCH v4 00/10] Add displays support for bsh-smm-s2/pro boards Dario Binacchi
2023-12-05 10:52 ` [PATCH v4 01/10] drm/bridge: Fix bridge disable logic Dario Binacchi
2023-12-05 10:52 ` [PATCH v4 02/10] drm/bridge: Fix a use case in the " Dario Binacchi
2023-12-05 15:39   ` Dave Stevenson
2023-12-06 13:26     ` Dario Binacchi
2023-12-06 13:31       ` Jagan Teki
2023-12-06 13:57         ` Michael Nazzareno Trimarchi
2023-12-13 11:59           ` Dario Binacchi
2023-12-13 12:02             ` Jagan Teki
2023-12-13 12:17             ` Maxime Ripard
2023-12-05 10:52 ` [PATCH v4 03/10] drm: bridge: samsung-dsim: enter display mode in the enable() callback Dario Binacchi
2023-12-05 10:52 ` Dario Binacchi [this message]
2023-12-05 10:52 ` [PATCH v4 05/10] dt-bindings: display: panel: Add synaptics r63353 panel controller Dario Binacchi
2023-12-05 10:52 ` [PATCH v4 06/10] drm/panel: Add Synaptics R63353 panel driver Dario Binacchi
2023-12-07  5:26   ` Dan Carpenter
2023-12-05 10:52 ` [PATCH v4 07/10] dt-bindings: display: panel: Add Ilitek ili9805 panel controller Dario Binacchi
2023-12-06 14:33   ` Rob Herring
2023-12-07  9:29     ` Krzysztof Kozlowski
2023-12-07  9:41       ` Maxime Ripard
2023-12-05 10:52 ` [PATCH v4 08/10] drm/panel: Add Ilitek ILI9805 panel driver Dario Binacchi
2023-12-05 10:52 ` [PATCH v4 09/10] drm/panel: ilitek-ili9805: add support for Tianma TM041XDHG01 panel Dario Binacchi
2023-12-05 10:52 ` [PATCH v4 10/10] arm64: dts: imx8mn-bsh-smm-s2/pro: add display setup Dario Binacchi

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