linux-kernel - [PATCH v2 0/1] drm/amdkfd: Fix unaligned doorbell absolute offset for gfx8

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Message-ID: <20230928095427.4337-1-Arvind.Yadav@amd.com>
Date:   Thu, 28 Sep 2023 15:24:26 +0530
From:   Arvind Yadav <Arvind.Yadav@....com>
To:     <Christian.Koenig@....com>, <alexander.deucher@....com>,
        <shashank.sharma@....com>, <Felix.Kuehling@....com>,
        <Mukul.Joshi@....com>, <Xinhui.Pan@....com>, <airlied@...il.com>,
        <daniel@...ll.ch>
CC:     <amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>, Arvind Yadav <Arvind.Yadav@....com>
Subject: [PATCH v2 0/1] drm/amdkfd: Fix unaligned doorbell absolute offset for gfx8

On older chips, the absolute doorbell offset within
the doorbell page is based on the queue ID.
KFD is using queue ID and doorbell size to get an
absolute doorbell offset in userspace.

This patch is to adjust the absolute doorbell offset
against the doorbell id considering the doorbell
size of 32/64 bit.

v2:
- Addressed the review comment from Felix.

Arvind Yadav (1):
  drm/amdkfd: Fix unaligned doorbell absolute offset for gfx8

 drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

-- 
2.34.1