linux-kernel - Re: [PATCH v7 0/9] drm/omap: Add virtual-planes support

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Message-ID: <bab2b84a-ebef-ec69-187f-745e739079eb@ideasonboard.com>
Date:   Fri, 3 Dec 2021 13:31:34 +0200
From:   Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     linux-omap@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, khilman@...libre.com
Subject: Re: [PATCH v7 0/9] drm/omap: Add virtual-planes support

On 17/11/2021 16:19, Neil Armstrong wrote:
> This patchset is the follow-up the v4 patchset from Benoit Parrot at [1].
> 
> This patch series adds virtual-plane support to omapdrm driver to allow the use
> of display wider than 2048 pixels.
> 
> In order to do so we introduce the concept of hw_overlay which can then be
> dynamically allocated to a plane. When the requested output width exceed what
> be supported by one overlay a second is then allocated if possible to handle
> display wider then 2048.
> 
> This series replaces an earlier series which was DT based and using statically
> allocated resources.
> 
> This implementation is inspired from the work done in msm/disp/mdp5
> driver.

I think this looks good. I'll apply this to my work tree to see if I see 
any issues during my daily work, and if not, I'll push to drm-misc-next.

Have you tested this with other platforms than x15? I'm mostly thinking 
about omap3/4, as the DSS is somewhat different on those platforms.

  Tomi