linux-kernel - Re: [PATCH 1/2] drm/rockchip: dsi: Clean up 'usage

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Message-Id: <166704843775.1532410.17134222926830396000.b4-ty@sntech.de>
Date:   Sat, 29 Oct 2022 15:00:45 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Brian Norris <briannorris@...omium.org>
Cc:     Heiko Stuebner <heiko@...ech.de>,
        linux-arm-kernel@...ts.infradead.org, stable@...r.kernel.org,
        Heiko Stuebner <heiko.stuebner@...obroma-systems.com>,
        dri-devel@...ts.freedesktop.org,
        Helen Koike <helen.koike@...labora.com>,
        linux-rockchip@...ts.infradead.org,
        Sandy Huang <hjc@...k-chips.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] drm/rockchip: dsi: Clean up 'usage_mode' when failing to attach

On Wed, 19 Oct 2022 17:03:48 -0700, Brian Norris wrote:
> If we fail to attach the first time (especially: EPROBE_DEFER), we fail
> to clean up 'usage_mode', and thus will fail to attach on any subsequent
> attempts, with "dsi controller already in use".
> 
> Re-set to DW_DSI_USAGE_IDLE on attach failure.
> 
> This is especially common to hit when enabling asynchronous probe on a
> duel-DSI system (such as RK3399 Gru/Scarlet), such that we're more
> likely to fail dw_mipi_dsi_rockchip_find_second() the first time.
> 
> [...]

Applied, thanks!

[1/2] drm/rockchip: dsi: Clean up 'usage_mode' when failing to attach
      commit: 0be67e0556e469c57100ffe3c90df90abc796f3b
[2/2] drm/rockchip: dsi: Force synchronous probe
      commit: 81e592f86f7afdb76d655e7fbd7803d7b8f985d8

Best regards,
-- 
Heiko Stuebner <heiko@...ech.de>