[PATCH 0/2] drm/rockchip: vop2: fix IOMMU warnings after reenable

Heiko Stuebner heiko at sntech.de
Sat Oct 29 06:00:48 PDT 2022


On Fri, 28 Oct 2022 11:52:04 +0200, Michael Tretter wrote:
> I was observing a lot of warnings that the IOMMU has blocked accessed by the
> VOP2 when I disabled and reenabled the VOP2 by shutting down a DRM user space
> application (namely Weston) and restarting it.
> 
> The reason for the warnings was that the address of the last framebuffer was
> still residing in the read register of Smart0-win0. After enabling the VOP2,
> the Smart0-win0 was still enabled and started reading from the address.
> 
> [...]

Applied, thanks!

[1/2] drm/rockchip: vop2: fix null pointer in plane_atomic_disable
      commit: 471bf2406c043491b1a8288e5f04bc278f7d7ca1
[2/2] drm/rockchip: vop2: disable planes when disabling the crtc
      commit: 447fb14bf07905b880c9ed1ea92c53d6dd0649d7

Best regards,
-- 
Heiko Stuebner <heiko at sntech.de>



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