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From: linux@armlinux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [BUG] hdlcd gets confused about base address
Date: Mon, 21 Nov 2016 13:24:19 +0000	[thread overview]
Message-ID: <20161121132419.GF1041@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20161121125653.GJ1005@e106497-lin.cambridge.arm.com>

On Mon, Nov 21, 2016 at 12:56:53PM +0000, Liviu Dudau wrote:
> That is mostly due to the check in hdlcd_crtc_disable() which I should
> remove, I've added it because I was getting a ->disable() hook call
> before any ->enable() was called at startup time. I need to revisit
> this as I remember Daniel was commenting that this was not needed.

Removing that test results in:

[drm:drm_atomic_helper_commit_cleanup_done] *ERROR* [CRTC:24:crtc-0] flip_done timed out

and the kernel hanging, seemingly in an IRQs-off region.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.

  reply	other threads:[~2016-11-21 13:24 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-18 23:37 [BUG] hdlcd gets confused about base address Russell King - ARM Linux
2016-11-21  9:44 ` Daniel Vetter
2016-11-21 11:06 ` Liviu Dudau
2016-11-21 11:20   ` Russell King - ARM Linux
2016-11-21 11:32     ` Liviu Dudau
2016-11-21 12:25       ` Russell King - ARM Linux
2016-11-21 12:56         ` Liviu Dudau
2016-11-21 13:24           ` Russell King - ARM Linux [this message]
2016-11-21 13:50             ` Liviu Dudau
2016-11-21 14:03               ` Russell King - ARM Linux
2016-11-21 17:32                 ` Liviu Dudau
2016-11-21 17:56                   ` Russell King - ARM Linux
2016-11-21 18:16                     ` Russell King - ARM Linux
2016-11-21 18:25                       ` Liviu Dudau
2016-11-21 18:23                     ` Liviu Dudau
2016-11-21 18:43                       ` Russell King - ARM Linux
2016-11-21 14:30             ` Russell King - ARM Linux
2016-11-21 14:55               ` Russell King - ARM Linux
2016-11-22  7:02                 ` Daniel Vetter
2017-02-20 12:16 ` Russell King - ARM Linux
2017-02-20 17:53   ` Liviu Dudau
2017-02-20 17:57     ` Russell King - ARM Linux
2017-02-20 18:05     ` Ville Syrjälä
2017-02-20 18:59       ` Russell King - ARM Linux
2017-02-22 15:42         ` Ville Syrjälä
2017-02-26 19:31           ` Daniel Vetter
2017-02-22 15:15       ` Liviu Dudau
2017-02-22 15:30         ` Ville Syrjälä
2017-03-08 16:30           ` [PATCH v2] drm: hdlcd: Fix the calculation of the scanout start address Liviu Dudau
2017-03-31  9:49             ` Russell King - ARM Linux
2017-03-31  9:51               ` [PATCH 1/3] drm/arm: hdlcd: properly validate plane state Russell King
2017-03-31 10:18                 ` Liviu Dudau
2017-03-31 10:20                   ` Russell King - ARM Linux
2017-03-31 10:23                     ` Liviu Dudau
2017-03-31 10:27                       ` Russell King - ARM Linux
2017-03-31 11:41                         ` Liviu Dudau
2017-03-31 12:21                           ` Russell King - ARM Linux
2017-03-31  9:51               ` [PATCH 2/3] drm/arm: hdlcd: fix plane base address calculation Russell King
2017-03-31 13:13                 ` Liviu Dudau
2017-03-31  9:51               ` [PATCH 3/3] drm/arm: hdlcd: check for rotation Russell King
2017-03-31 10:11                 ` Ville Syrjälä
2017-03-31 10:21                   ` Liviu Dudau
2017-03-31 13:18               ` [PATCH v2] drm: hdlcd: Fix the calculation of the scanout start address Liviu Dudau
2017-03-31 13:48                 ` Russell King - ARM Linux
2017-04-03 10:31                   ` Liviu Dudau
2017-04-03 13:13                     ` Russell King - ARM Linux
2017-04-03 14:07                       ` Liviu Dudau
2017-04-06 11:07                       ` Jani Nikula

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