linux-kernel - [PATCH v3 0/3] Support Adreno 7c Gen 3 gpu

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Message-Id: <1627572036-28289-1-git-send-email-akhilpo@codeaurora.org>
Date:   Thu, 29 Jul 2021 20:50:33 +0530
From:   Akhil P Oommen <akhilpo@...eaurora.org>
To:     freedreno <freedreno@...ts.freedesktop.org>,
        dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Rob Clark <robdclark@...il.com>
Cc:     Jordan Crouse <jordan@...micpenguin.net>,
        Matthias Kaehlcke <mka@...omium.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Douglas Anderson <dianders@...omium.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>, Eric Anholt <eric@...olt.net>,
        Iskren Chernev <iskren.chernev@...il.com>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Sean Paul <sean@...rly.run>,
        Sharat Masetty <smasetty@...eaurora.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 0/3] Support Adreno 7c Gen 3 gpu

This series adds support for the gpu found in the Snapdragon 7c Gen 3
compute platform. This gpu is similar to the exisiting a660 gpu with
minor delta in the programing sequence. As the Adreno GPUs are moving
away from a numeric chipid based naming scheme to a string, it was
decided to use 0x06030500 as the gpu id of this gpu to communicate
to the userspace driver.

Changes in v3:
- Add a cover letter.

Changes in v2:
- Use rev to identify SKU
- Introduce adreno_is_a660_family() (Rob)
- Remove revn for 7c3 (Rob)
- Remove CPR register programing since they are not required for 7c3

Akhil P Oommen (3):
  drm/msm/a6xx: Fix llcc configuration for a660 gpu
  drm/msm/a6xx: Use rev to identify SKU
  drm/msm/a6xx: Add support for Adreno 7c Gen 3 gpu

 drivers/gpu/drm/msm/adreno/a6xx_gmu.c      |  8 ++-
 drivers/gpu/drm/msm/adreno/a6xx_gmu.h      |  1 +
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c      | 87 ++++++++++++++++++------------
 drivers/gpu/drm/msm/adreno/a6xx_hfi.c      | 32 +++++++++++
 drivers/gpu/drm/msm/adreno/adreno_device.c | 27 +++++++---
 drivers/gpu/drm/msm/adreno/adreno_gpu.h    | 18 ++++++-
 6 files changed, 129 insertions(+), 44 deletions(-)

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