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

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Date:   Sat, 12 Aug 2023 14:18:05 +0000 (UTC)
From:   Jonas Karlman <jonas@...boo.se>
To:     Heiko Stuebner <heiko@...ech.de>, Sandy Huang <hjc@...k-chips.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>
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 Heiko,

Please consider reviewing and merging this series [2], and also [3].

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

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

Regards,
Jonas

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(-)
>