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Date:   Tue, 25 Jun 2019 22:35:30 -0300
From:   Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
To:     Brian Starkey <brian.starkey@arm.com>,
        Liviu Dudau <liviu.dudau@arm.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Haneen Mohammed <hamohammed.sa@gmail.com>,
        Simon Ser <contact@emersion.fr>
Cc:     dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: [PATCH V3 0/5] drm/vkms: Introduces writeback support
Message-ID: <cover.1561491964.git.rodrigosiqueiramelo@gmail.com>
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This is the V3 version of a series that introduces the writeback support
to vkms. As a result of the previous review, this patchset can be seen
in three parts: make vkms able to support multiple connector, pre-work
for vkms, and the vkms implementation. Follows the details:

* First part: The first patch of this series is a fix that enables vkms to
accept new connectors, such as writeback connector.

* Second part: The second part of this patchset starts on patch 02 and
finish on patch 04; basically it is a pre-work that aims to make vkms
composer operations a little bit more generic. These patches update the
CRC files and function to make it work as a composer; it also
centralizes the vkms framebuffer operations. Additionally, these changes
enable the composer to use the writeback framebuffer instead of creating
a copy.

* Third part: The final patch enables the support for writeback in vkms.

With this patchset, vkms can successfully pass all the kms_writeback
tests from IGT.

Note: Most of the changes in the V3 was suggested by Daniel Vetter as
can be seen at the link
https://patchwork.freedesktop.org/patch/311844/?series=61738&rev=2

Note: This patchset depends on Daniel's rework of CRC, see it at
https://patchwork.freedesktop.org/series/61737/

Rodrigo Siqueira (5):
  drm/vkms: Avoid assigning 0 for possible_crtc
  drm/vkms: Rename vkms_crc.c into vkms_composer.c
  drm/vkms: Decouple crc operations from composer
  drm/vkms: Compute CRC without change input data
  drm/vkms: Add support for writeback

 drivers/gpu/drm/vkms/Makefile                 |   9 +-
 .../drm/vkms/{vkms_crc.c => vkms_composer.c}  | 174 ++++++++++--------
 drivers/gpu/drm/vkms/vkms_crtc.c              |  30 +--
 drivers/gpu/drm/vkms/vkms_drv.c               |  10 +-
 drivers/gpu/drm/vkms/vkms_drv.h               |  40 ++--
 drivers/gpu/drm/vkms/vkms_output.c            |  16 +-
 drivers/gpu/drm/vkms/vkms_plane.c             |  40 ++--
 drivers/gpu/drm/vkms/vkms_writeback.c         | 141 ++++++++++++++
 8 files changed, 331 insertions(+), 129 deletions(-)
 rename drivers/gpu/drm/vkms/{vkms_crc.c => vkms_composer.c} (51%)
 create mode 100644 drivers/gpu/drm/vkms/vkms_writeback.c

-- 
2.21.0


-- 
Rodrigo Siqueira
https://siqueira.tech