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From: maxime.ripard@bootlin.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Revert "drm/sun4i: Handle DRM_BUS_FLAG_PIXDATA_*EDGE"
Date: Mon, 18 Jun 2018 10:27:06 +0200	[thread overview]
Message-ID: <20180618082706.jjklq36jeu3nqs2q@flea> (raw)
In-Reply-To: <20180613081647.31183-1-paul.kocialkowski@bootlin.com>

On Wed, Jun 13, 2018 at 10:16:47AM +0200, Paul Kocialkowski wrote:
> This reverts commit 2c17a4368aad2b88b68e4390c819e226cf320f70.
> 
> The offending commit triggers a run-time fault when accessing the panel
> element of the sun4i_tcon structure when no such panel is attached.
> 
> It was apparently assumed in said commit that a panel is always used with
> the TCON. Although it is often the case, this is not always true.
> For instance a bridge might be used instead of a panel.
> 
> This issue was discovered using an A13-OLinuXino, that uses the TCON
> in RGB mode for a simple DAC-based VGA bridge.
> 
> Cc: stable at vger.kernel.org
> Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>

Applied, thanks

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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  parent reply	other threads:[~2018-06-18  8:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-13  8:16 [PATCH] Revert "drm/sun4i: Handle DRM_BUS_FLAG_PIXDATA_*EDGE" Paul Kocialkowski
2018-06-13 21:52 ` Giulio Benetti
2018-06-14  7:26   ` Paul Kocialkowski
2018-06-15 20:54     ` Giulio Benetti
2018-06-18  8:27 ` Maxime Ripard [this message]
2018-07-18 14:23 ` [PATCH] drm/sun4i: Handle DRM_BUS_FLAG_PIXDATA_*EDGE checking if panel is used Giulio Benetti
2018-07-18 14:42   ` Giulio Benetti
2018-07-19 15:37   ` Maxime Ripard

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