linux-kernel - Re: [PATCH v2 0/5] drm/rockchip: Fix crtc duplicate state and crtc reset funcs

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Message-ID: <2475986.usQuhbGJ8B@diego>
Date:   Sun, 13 Aug 2023 00:33:42 +0200
From:   Heiko Stübner <heiko@...ech.de>
To:     Sandy Huang <hjc@...k-chips.com>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Jonas Karlman <jonas@...boo.se>
Cc:     Mark Yao <markyao0591@...il.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Andy Yan <andy.yan@...k-chips.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/5] drm/rockchip: Fix crtc duplicate state and crtc reset
 funcs

Hi Jonas,

Am Samstag, 12. August 2023, 16:18:05 CEST schrieb Jonas Karlman:
> Please consider reviewing and merging this series [2], and also [3].

during the last months my testfarm aquired some issues, I'm still
working on fixing, so my testing is way limited right now.

> drm/rockchip: Fix crtc duplicate state and crtc reset funcs
> [2] https://lore.kernel.org/all/20230621223311.2239547-1-jonas@kwiboo.se/

Though this one looked easy and when going through the code looked
quite right.


> drm/rockchip: vop: Add NV15, NV20 and NV30 support
> [3] https://lore.kernel.org/all/20230618220122.3911297-1-jonas@kwiboo.se/

I guess I need to track down someone on IRC to tell me if these new NVxx
types look correct, because I don't have too much clue about those drm-formats
yet. Hopefully I'll get to that on monday.


Heiko


> On 2023-06-22 00:33, Jonas Karlman wrote:
> > This series fixes a reset of state in duplicate state crtc funcs for VOP
> > driver, a possible crash and ensure crtc reset helper is called in VOP2
> > driver.
> > 
> > Patch 1 use kmemdup instead of kzalloc to duplicate the crtc state.
> > Patch 2 change to use crtc and plane cleanup helpers directly.
> > Patch 3 adds a null guard for allocation failure.
> > Patch 4 adds a crash guard for empty crtc state.
> > Patch 5 adds a missing call to crtc reset helper.
> > 
> > This is the next part of an ongoing effort to upstream HDMI 2.0 support
> > used in LibreELEC for the past 3+ years.
> > 
> > Changes in v2:
> > - Handle possible allocation failure in crtc reset funcs
> > - Collect r-b tags
> > 
> > This series is also available at [1].
> > 
> > [1] https://github.com/Kwiboo/linux-rockchip/commits/next-20230621-duplicate-state
> > 
> > Jonas Karlman (5):
> >   drm/rockchip: vop: Fix reset of state in duplicate state crtc funcs
> >   drm/rockchip: vop: Use cleanup helper directly as destroy funcs
> >   drm/rockchip: vop: Fix call to crtc reset helper
> >   drm/rockchip: vop2: Don't crash for invalid duplicate_state
> >   drm/rockchip: vop2: Add missing call to crtc reset helper
> > 
> >  drivers/gpu/drm/rockchip/rockchip_drm_vop.c  | 24 +++++-------
> >  drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 39 ++++++++++----------
> >  2 files changed, 28 insertions(+), 35 deletions(-)
> > 
> 
>