linux-kernel - Re: [PATCH v3 0/4] Fixes to bridge/panel and ingenic-drm

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Date:   Wed, 24 Feb 2021 13:44:37 +0000
From:   Paul Cercueil <paul@...pouillou.net>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Cc:     Sam Ravnborg <sam@...nborg.org>, od@...c.me,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH v3 0/4] Fixes to bridge/panel and ingenic-drm

Hi,

Some feedback for patches 1-3? Laurent?

Cheers,
-Paul


Le dim. 24 janv. 2021 à 8:55, Paul Cercueil <paul@...pouillou.net> a 
écrit :
> Hi,
> 
> Here are three independent fixes. The first one addresses a
> use-after-free in bridge/panel.c; the second one addresses a
> use-after-free in the ingenic-drm driver; finally, the third one makes
> the ingenic-drm driver work again on older Ingenic SoCs.
> 
> Changes from v2:
> - patch [1/4] added a FIXME.
> - patch [2/4] is new. It introduces a 
> drmm_plain_simple_encoder_alloc()
>   macro that will be used in patch [3/4].
> - patch [3/4] uses the macro introduced in patch [2/4].
> - patch [4/4] is unmodified.
> 
> Note to linux-stable guys: patch [v2 2/3] will only apply on the 
> current
> drm-misc-next branch, to fix it for v5.11 and older kernels, use the 
> V1
> of that patch.
> 
> Cheers,
> -Paul
> 
> Paul Cercueil (4):
>   drm: bridge/panel: Cleanup connector on bridge detach
>   drm/simple_kms_helper: Add macro drmm_plain_simple_encoder_alloc()
>   drm/ingenic: Register devm action to cleanup encoders
>   drm/ingenic: Fix non-OSD mode
> 
>  drivers/gpu/drm/bridge/panel.c            | 12 +++++++++++
>  drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 26 
> +++++++++++------------
>  include/drm/drm_simple_kms_helper.h       | 17 +++++++++++++++
>  3 files changed, 42 insertions(+), 13 deletions(-)
> 
> --
> 2.29.2
>