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[80.182.13.188]) by smtp.gmail.com with ESMTPSA id rd12-20020a170907a28c00b00a11b2677acbsm8152775ejc.163.2023.12.13.10.37.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Dec 2023 10:37:48 -0800 (PST) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: Amarula patchwork , michael@amarulasolutions.com, Dario Binacchi , Andrzej Hajda , Daniel Vetter , David Airlie , Inki Dae , Jagan Teki , Jernej Skrabec , Jonas Karlman , Laurent Pinchart , Maarten Lankhorst , Marek Szyprowski , Maxime Ripard , Neil Armstrong , Robert Foss , Thomas Zimmermann , dri-devel@lists.freedesktop.org Subject: [PATCH v7 2/3] drm: bridge: samsung-dsim: complete the CLKLANE_STOP setting Date: Wed, 13 Dec 2023 19:37:11 +0100 Message-ID: <20231213183737.4182996-3-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231213183737.4182996-1-dario.binacchi@amarulasolutions.com> References: <20231213183737.4182996-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The patch completes the setting of CLKLANE_STOP for the imx8mn and imx8mp platforms (i. e. not exynos). Co-developed-by: Michael Trimarchi Signed-off-by: Michael Trimarchi Signed-off-by: Dario Binacchi --- (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) =20 /* 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 |=3D DSIM_NON_CONTINUOUS_CLKLANE; + reg |=3D DSIM_CLKLANE_STOP; + } samsung_dsim_write(dsi, DSIM_CONFIG_REG, reg); =20 lanes_mask =3D BIT(dsi->lanes) - 1; --=20 2.43.0