linux-kernel - Re: [PATCH v2 3/3] drm/stm: dsi: use drm_mode_validate

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Message-ID: <1b1c0819f0a4ecafc13ed25c19e5d3d7@kernel.org>
Date: Mon, 25 Nov 2024 16:01:35 +0000
From: "Maxime Ripard" <mripard@...nel.org>
To: "Sean Nyekjaer" <sean@...nix.com>
Cc: dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com, linux-sunxi@...ts.linux.dev, "Alexandre
 Torgue" <alexandre.torgue@...s.st.com>, "Chen-Yu Tsai" <wens@...e.org>, "David
 Airlie" <airlied@...il.com>, "Jernej Skrabec" <jernej.skrabec@...il.com>, "Maarten
 Lankhorst" <maarten.lankhorst@...ux.intel.com>, "Maxime Coquelin" <mcoquelin.stm32@...il.com>, "Maxime
 Ripard" <mripard@...nel.org>, "Philippe Cornu" <philippe.cornu@...s.st.com>, "Raphael
 Gallais-Pou" <raphael.gallais-pou@...s.st.com>, "Samuel Holland" <samuel@...lland.org>, "Simona
 Vetter" <simona@...ll.ch>, "Thomas Zimmermann" <tzimmermann@...e.de>, "Yannick
 Fertre" <yannick.fertre@...s.st.com>
Subject: Re: [PATCH v2 3/3] drm/stm: dsi: use drm_mode_validate_mode()
 helper function

On Mon, 25 Nov 2024 14:49:28 +0100, Sean Nyekjaer wrote:
> When using the DSI interface via DSI2LVDS bridge, it seems a bit harsh
> to reguire the requested and the actual px clock to be within
> 50Hz. A typical LVDS display requires the px clock to be within +-10%.
> 
> In case for HDMI .5% tolerance is required.
> 
> [ ... ]

Reviewed-by: Maxime Ripard <mripard@...nel.org>

Thanks!
Maxime