linux-kernel - Re: [Patch v4 0/8] drm/omap: Add virtual-planes support

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Date:   Mon, 19 Nov 2018 10:02:30 -0600
From:   Benoit Parrot <bparrot@...com>
To:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Daniel Vetter <daniel@...ll.ch>
CC:     Tomi Valkeinen <tomi.valkeinen@...com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Jyri Sarha <jsarha@...com>
Subject: Re: [Patch v4 0/8] drm/omap: Add virtual-planes support

Ping.

Benoit

Benoit Parrot <bparrot@...com> wrote on Fri [2018-Oct-12 15:16:55 -0500]:
> 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.
> 
> Benoit Parrot (8):
>   drm/omap: Add ability to check if requested plane modes can be
>     supported
>   drm/omap: Add ovl checking funcs to dispc_ops
>   drm/omap: introduce omap_hw_overlay
>   drm/omap: omap_plane: subclass drm_plane_state
>   drm/omap: Add global state as a private atomic object
>   drm/omap: dynamically assign hw overlays to planes
>   drm/omap: add plane_atomic_print_state support
>   drm/omap: Add a 'right overlay' to plane state
> 
>  drivers/gpu/drm/omapdrm/Makefile       |   1 +
>  drivers/gpu/drm/omapdrm/dss/dispc.c    |  32 +++
>  drivers/gpu/drm/omapdrm/dss/omapdss.h  |   6 +
>  drivers/gpu/drm/omapdrm/omap_drv.c     | 196 ++++++++++++++++-
>  drivers/gpu/drm/omapdrm/omap_drv.h     |  30 +++
>  drivers/gpu/drm/omapdrm/omap_fb.c      |  33 ++-
>  drivers/gpu/drm/omapdrm/omap_fb.h      |   4 +-
>  drivers/gpu/drm/omapdrm/omap_overlay.c | 257 ++++++++++++++++++++++
>  drivers/gpu/drm/omapdrm/omap_overlay.h |  41 ++++
>  drivers/gpu/drm/omapdrm/omap_plane.c   | 374 ++++++++++++++++++++++++++++-----
>  drivers/gpu/drm/omapdrm/omap_plane.h   |   1 +
>  11 files changed, 922 insertions(+), 53 deletions(-)
>  create mode 100644 drivers/gpu/drm/omapdrm/omap_overlay.c
>  create mode 100644 drivers/gpu/drm/omapdrm/omap_overlay.h
> 
> -- 
> 2.9.0
>