From: Heiko Stuebner <heiko@sntech.de>
To: dri-devel@lists.freedesktop.org
Cc: marc.zyngier@arm.com, robin.murphy@arm.com,
jeffy.chen@rock-chips.com, tfiga@chromium.org,
linux-rockchip@lists.infradead.org,
enric.balletbo@collabora.co.uk, tomeu.vizoso@collabora.co.uk,
ezequiel@collabora.com
Subject: Re: [PATCH v4 0/2] drm/rockchip: try to fix vblank hang resulting from iommu irq change
Date: Mon, 18 Jun 2018 15:09:50 +0200 [thread overview]
Message-ID: <2885954.zaY39YYQXV@phil> (raw)
In-Reply-To: <20180612132028.27490-1-heiko@sntech.de>
Am Dienstag, 12. Juni 2018, 15:20:26 CEST schrieb Heiko Stuebner:
> This still tries to address the hang seen by Ezequiel Garcia on rk3288.
>
> As Tomasz noted, trying to count enablement can run into concurrency
> issues, so instead we'll just check if the vop is runtime-enabled
> to see if it could be the source of the irq and then just do our
> own clk_enable in the isr to bridge the possible gap between
> pm_runtime_enable and clk_enable in the core vop_enable() function.
>
> Display tested to still work on rk3328 and rk3399, but as I don't see
> the hang from Ezequiel I hope that this fixes it.
>
>
> changes in v2:
> - adapt approach ... don't try to count usage ourself, because of
> possible concurrency issues with vop enable/disable
> changes in v3:
> - fix comment in patch2
> - add stable+fixes tags
> changes in v4:
> - address Marc's comments to patch2
>
>
> Heiko Stuebner (1):
> drm/rockchip: vop: split out core clock enablement into separate
> functions
>
> Sandy Huang (1):
> drm/rockchip: vop: fix irq disabled after vop driver probed
applied both to drm-misc-next with the appropriate Review tags
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
prev parent reply other threads:[~2018-06-18 13:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-12 13:20 [PATCH v4 0/2] drm/rockchip: try to fix vblank hang resulting from iommu irq change Heiko Stuebner
2018-06-12 13:20 ` [PATCH v4 1/2] drm/rockchip: vop: split out core clock enablement into separate functions Heiko Stuebner
2018-06-12 13:20 ` Heiko Stuebner
2018-06-18 9:44 ` Tomasz Figa
2018-06-18 9:44 ` Tomasz Figa
2018-06-12 13:20 ` [PATCH v4 2/2] drm/rockchip: vop: fix irq disabled after vop driver probed Heiko Stuebner
2018-06-12 13:20 ` Heiko Stuebner
2018-06-13 13:01 ` Marc Zyngier
2018-06-18 8:19 ` Heiko Stübner
2018-06-18 8:19 ` Heiko Stübner
2018-06-19 8:38 ` Marc Zyngier
2018-06-18 13:09 ` Heiko Stuebner [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2885954.zaY39YYQXV@phil \
--to=heiko@sntech.de \
--cc=dri-devel@lists.freedesktop.org \
--cc=enric.balletbo@collabora.co.uk \
--cc=ezequiel@collabora.com \
--cc=jeffy.chen@rock-chips.com \
--cc=linux-rockchip@lists.infradead.org \
--cc=marc.zyngier@arm.com \
--cc=robin.murphy@arm.com \
--cc=tfiga@chromium.org \
--cc=tomeu.vizoso@collabora.co.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.