linux-kernel - [PATCH V4 0/3] drm/vkms: Introduces writeback support

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Message-Id: <20200511115524.22602-1-Rodrigo.Siqueira@amd.com>
Date:   Mon, 11 May 2020 07:55:21 -0400
From:   Rodrigo Siqueira <Rodrigo.Siqueira@....com>
To:     Brian Starkey <brian.starkey@....com>,
        Liviu Dudau <liviu.dudau@....com>,
        Daniel Vetter <daniel@...ll.ch>,
        Simon Ser <contact@...rsion.fr>,
        Leandro Ribeiro <leandro.ribeiro@...labora.com>,
        Helen Koike <helen.koike@...labora.com>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH V4 0/3] drm/vkms: Introduces writeback support

This is the V4 version of a series that introduces basic writeback
support to VKMS. This patchset starts with a pre-work that aims to make
VKMS composer operations ready for getting the writeback support; it has
updates on the CRC functions and reworks a small part of the VKMS
framebuffer operations. Finally, the latest patch introduces the
writeback support in VKMS.

The previous series was reviewed and tested, this patchset only rebases
the code on the latest version of drm-misc-next (I also tested it). It
is important to highlight, that we have an IGT test for validating
writeback feature as can be seen at:

IGT writeback tests: https://patchwork.freedesktop.org/series/68352/

Best Regards

Rodrigo Siqueira (3):
  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 +-
 drivers/gpu/drm/vkms/vkms_composer.c  |  94 +++++++++++------
 drivers/gpu/drm/vkms/vkms_drv.c       |   4 +
 drivers/gpu/drm/vkms/vkms_drv.h       |   8 ++
 drivers/gpu/drm/vkms/vkms_output.c    |  10 ++
 drivers/gpu/drm/vkms/vkms_writeback.c | 142 ++++++++++++++++++++++++++
 6 files changed, 233 insertions(+), 34 deletions(-)
 create mode 100644 drivers/gpu/drm/vkms/vkms_writeback.c

-- 
2.26.2