linux-kernel - Re: [PATCH] drm/rockchip: vop: reset scale mode when win is disabled

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Message-ID: <3050762.S3h3RRttz1@diego>
Date:   Mon, 18 Mar 2019 19:04:47 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Jonas Karlman <jonas@...boo.se>
Cc:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-rockchip@...ts.infradead.org" 
        <linux-rockchip@...ts.infradead.org>,
        Sandy Huang <hjc@...k-chips.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Ezequiel Garcia <ezequiel@...labora.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/rockchip: vop: reset scale mode when win is disabled

Hi Jonas,

Am Mittwoch, 20. Februar 2019, 23:40:06 CET schrieb Jonas Karlman:
> NV12 framebuffers produced by the VPU shows distorted on RK3288
> after win has been disabled when scaling is active.
> 
> This issue can be reproduced using a 1080p modeset by:
> - Scale a 1280x720 NV12 framebuffer to 1920x1080 on win0
> - Disable win0
> - Display a 1920x1080 NV12 framebuffer without scaling on win0
> - Output will now show the framebuffer distorted
> 
> And by:
> - Scale a 1280x720 NV12 framebuffer to 1920x1080
> - Change to a 720p modeset (win gets disabled and scaling reset to none)
> - Output will now show the framebuffer distorted
> 
> Fix this by setting scale mode to none when win is disabled.
> 
> Fixes: 4c156c21c794 ("drm/rockchip: vop: support plane scale")
> Signed-off-by: Jonas Karlman <jonas@...boo.se>

applied to drm-misc-fixes - sorry it took so long to test and apply.

Thanks
Heiko