From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Philipp Zabel <p.zabel@pengutronix.de>
Cc: devel@driverdev.osuosl.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
kernel@pengutronix.de
Subject: Re: [PATCH v2 0/8] Reorder i.MX IPU display enable/disable sequence
Date: Mon, 14 Apr 2014 23:18:13 +0100 [thread overview]
Message-ID: <20140414221813.GP24070@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1397512403-19622-1-git-send-email-p.zabel@pengutronix.de>
On Mon, Apr 14, 2014 at 11:53:15PM +0200, Philipp Zabel wrote:
> Repeatedly enabling and disabling the display currently can lead to a state
> in which the IPU doesn't produce a valid signal anymore because we disable
> IPU submodules before they can finish their interaction.
Yes, this appears to not lockup as the last series did. I'll see about
squeezing in some further testing over the coming days.
Thanks.
--
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.
next prev parent reply other threads:[~2014-04-14 22:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-14 21:53 Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 1/8] imx-drm: ipu-common: add ipu_map_irq to request non-IDMAC interrupts Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 2/8] imx-drm: ipu-common: Add helpers to check for a busy IDMAC channel and to busywait for an interrupt Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 3/8] imx-drm: ipu-dmfc: Wait for FIFOs to run empty before disabling Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 4/8] imx-drm: ipu-dc: Wait for DC_FC_1 / DP_SF_END interrupt Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 5/8] imx-drm: ipu-dp: Split disabling the DP foreground channel from disabling the DP module Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 6/8] imx-drm: imx-dp: When disabling the DP foreground channel, wait until the DP background channel is finished before disabling the IDMAC channel Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 7/8] imx-drm: ipuv3-crtc: Change display enable/disable order Philipp Zabel
2014-04-14 21:53 ` [PATCH v2 8/8] imx-drm: ipu-dc: Disable DC module when not in use Philipp Zabel
2014-04-14 22:18 ` Russell King - ARM Linux [this message]
2014-04-18 10:13 ` [PATCH v2 0/8] Reorder i.MX IPU display enable/disable sequence Russell King - ARM Linux
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