linux-kernel - [PATCH v2 0/2] drm/msm/gem: Add metadata uapi

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Message-ID: <20231029150740.6434-1-robdclark@gmail.com>
Date:   Sun, 29 Oct 2023 08:07:36 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Daniel Stone <daniels@...labora.com>,
        Rob Clark <robdclark@...omium.org>,
        linux-kernel@...r.kernel.org (open list),
        linux-pm@...r.kernel.org (open list:HIBERNATION (aka Software Suspend,
        aka swsusp)), Marijn Suijten <marijn.suijten@...ainline.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Sean Paul <sean@...rly.run>
Subject: [PATCH v2 0/2] drm/msm/gem: Add metadata uapi

From: Rob Clark <robdclark@...omium.org>

Add metadata mechanism to provide a back-channel to communicate image
layout information between vk and gl, because EXT_external_objects
doesn't support explicit modifiers and "OPTIMAL_TILING_EXT" is not
enough information for the importer to deduce the layout.

Rob Clark (2):
  drm/msm: Small uabi fixes
  drm/msm/gem: Add metadata

 drivers/gpu/drm/msm/msm_drv.c | 59 +++++++++++++++++++++++++++++++++--
 drivers/gpu/drm/msm/msm_gem.c |  1 +
 drivers/gpu/drm/msm/msm_gem.h |  4 +++
 include/uapi/drm/msm_drm.h    |  2 ++
 4 files changed, 64 insertions(+), 2 deletions(-)

-- 
2.41.0