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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Eric Anholt <eric@anholt.net>, Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: maxime@cerno.tech, linux-rpi-kernel@lists.infradead.org,
	f.fainelli@gmail.com, Stefan Wahren <stefan.wahren@i2se.com>,
	Dave Stevenson <dave.stevenson@raspberrypi.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] drm/vc4: Fix HDMI mode validation
Date: Fri, 27 Mar 2020 12:46:52 +0100	[thread overview]
Message-ID: <65a2d18ec2b901c6a89acc091cf9573a98fda75f.camel@suse.de> (raw)
In-Reply-To: <20200326122001.22215-1-nsaenzjulienne@suse.de>

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Hi Daniel,

On Thu, 2020-03-26 at 13:20 +0100, Nicolas Saenz Julienne wrote:
> Current mode validation impedes setting up some video modes which should
> be supported otherwise. Namely 1920x1200@60Hz.
> 
> Fix this by lowering the minimum HDMI state machine clock to pixel clock
> ratio allowed.
> 
> Fixes: 32e823c63e90 ("drm/vc4: Reject HDMI modes with too high of clocks")
> Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
> Suggested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>

Would it be possible for you to take this in for v5.7 (or as a fix for v5.6,
but it seems a little late)?

A device-tree patch I have to channel trough the SoC tree depends on this to
avoid regressions.

Regards,
Nicolas


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WARNING: multiple messages have this Message-ID (diff)
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Eric Anholt <eric@anholt.net>, Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Stefan Wahren <stefan.wahren@i2se.com>,
	f.fainelli@gmail.com,
	Dave Stevenson <dave.stevenson@raspberrypi.com>,
	David Airlie <airlied@linux.ie>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	maxime@cerno.tech, linux-rpi-kernel@lists.infradead.org
Subject: Re: [PATCH] drm/vc4: Fix HDMI mode validation
Date: Fri, 27 Mar 2020 12:46:52 +0100	[thread overview]
Message-ID: <65a2d18ec2b901c6a89acc091cf9573a98fda75f.camel@suse.de> (raw)
In-Reply-To: <20200326122001.22215-1-nsaenzjulienne@suse.de>


[-- Attachment #1.1: Type: text/plain, Size: 805 bytes --]

Hi Daniel,

On Thu, 2020-03-26 at 13:20 +0100, Nicolas Saenz Julienne wrote:
> Current mode validation impedes setting up some video modes which should
> be supported otherwise. Namely 1920x1200@60Hz.
> 
> Fix this by lowering the minimum HDMI state machine clock to pixel clock
> ratio allowed.
> 
> Fixes: 32e823c63e90 ("drm/vc4: Reject HDMI modes with too high of clocks")
> Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
> Suggested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>

Would it be possible for you to take this in for v5.7 (or as a fix for v5.6,
but it seems a little late)?

A device-tree patch I have to channel trough the SoC tree depends on this to
avoid regressions.

Regards,
Nicolas


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  parent reply	other threads:[~2020-03-27 11:46 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-26 12:20 [PATCH] drm/vc4: Fix HDMI mode validation Nicolas Saenz Julienne
2020-03-26 12:20 ` Nicolas Saenz Julienne
2020-03-26 12:32 ` Maxime Ripard
2020-03-26 12:32   ` Maxime Ripard
2020-03-26 17:19 ` Stefan Wahren
2020-03-26 17:19   ` Stefan Wahren
2020-03-26 17:21   ` Stefan Wahren
2020-03-26 17:21     ` Stefan Wahren
2020-03-26 17:36   ` Nicolas Saenz Julienne
2020-03-26 17:36     ` Nicolas Saenz Julienne
2020-03-26 17:52     ` Stefan Wahren
2020-03-26 17:52       ` Stefan Wahren
2020-03-27 11:46 ` Nicolas Saenz Julienne [this message]
2020-03-27 11:46   ` Nicolas Saenz Julienne
2020-03-27 12:40   ` Maxime Ripard
2020-03-27 12:40     ` Maxime Ripard
2020-03-27 12:40     ` Nicolas Saenz Julienne
2020-03-27 12:40       ` Nicolas Saenz Julienne

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