From: Shawn Guo <shawnguo2@yeah.net>
To: Liu Ying <victor.liu@nxp.com>
Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org, catalin.marinas@arm.com,
will@kernel.org, abelvesa@kernel.org, peng.fan@nxp.com,
mturquette@baylibre.com, sboyd@kernel.org,
andrzej.hajda@intel.com, neil.armstrong@linaro.org,
rfoss@kernel.org, Laurent.pinchart@ideasonboard.com,
jonas@kwiboo.se, jernej.skrabec@gmail.com,
maarten.lankhorst@linux.intel.com, mripard@kernel.org,
tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch,
quic_bjorande@quicinc.com, geert+renesas@glider.be,
dmitry.baryshkov@linaro.org, arnd@arndb.de,
nfraprado@collabora.com, marex@denx.de
Subject: Re: [PATCH v6 1/7] arm64: dts: imx8mp-skov-revb-mi1010ait-1cp1: Set "media_disp2_pix" clock rate to 70MHz
Date: Mon, 9 Dec 2024 19:51:26 +0800 [thread overview]
Message-ID: <Z1bZvsGdwd5dlJow@dragon> (raw)
In-Reply-To: <20241112100547.2908497-2-victor.liu@nxp.com>
On Tue, Nov 12, 2024 at 06:05:41PM +0800, Liu Ying wrote:
> The LVDS panel "multi-inno,mi1010ait-1cp" used on this platform has
> a typical pixel clock rate of 70MHz. Set "media_disp2_pix" clock rate
> to that rate, instead of the original 68.9MHz. The LVDS serial clock
> is controlled by "media_ldb" clock. It should run at 490MHz(7-fold the
> pixel clock rate due to single LVDS link). Set "video_pll1" clock rate
> and "media_ldb" to 490MHz to achieve that.
>
> This should be able to suppress this LDB driver warning:
> [ 17.206644] fsl-ldb 32ec0000.blk-ctrl:bridge@5c: Configured LDB clock (70000000 Hz) does not match requested LVDS clock: 490000000 Hz
>
> This also makes the display mode used by the panel pass mode validation
> against pixel clock rate and "media_ldb" clock rate in a certain display
> driver.
>
> Signed-off-by: Liu Ying <victor.liu@nxp.com>
Applied, thanks!
next prev parent reply other threads:[~2024-12-09 11:53 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-12 10:05 [PATCH v6 0/7] Add ITE IT6263 LVDS to HDMI converter support Liu Ying
2024-11-12 10:05 ` [PATCH v6 1/7] arm64: dts: imx8mp-skov-revb-mi1010ait-1cp1: Set "media_disp2_pix" clock rate to 70MHz Liu Ying
2024-12-09 11:51 ` Shawn Guo [this message]
2024-11-12 10:05 ` [PATCH v6 2/7] Revert "clk: imx: clk-imx8mp: Allow media_disp pixel clock reconfigure parent rate" Liu Ying
2024-12-26 14:38 ` Abel Vesa
2024-11-12 10:05 ` [PATCH v6 3/7] drm/bridge: fsl-ldb: Get the next non-panel bridge Liu Ying
2024-11-12 10:05 ` [PATCH v6 4/7] drm/bridge: fsl-ldb: Use clk_round_rate() to validate "ldb" clock rate Liu Ying
2024-11-12 10:05 ` [PATCH v6 5/7] drm/bridge: fsl-ldb: Use clk_round_rate() to validate "pix" " Liu Ying
2024-11-12 10:05 ` [PATCH v6 6/7] arm64: dts: imx8mp-evk: Add NXP LVDS to HDMI adapter cards Liu Ying
2024-12-09 11:51 ` Shawn Guo
2024-11-12 10:05 ` [PATCH v6 7/7] arm64: defconfig: Enable ITE IT6263 driver Liu Ying
2024-11-12 10:22 ` Biju Das
2024-12-09 11:52 ` Shawn Guo
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