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From: Arvind Yadav <Arvind.Yadav@amd.com>
To: <Christian.Koenig@amd.com>, <alexander.deucher@amd.com>,
<shashank.sharma@amd.com>, <Felix.Kuehling@amd.com>,
<Mukul.Joshi@amd.com>, <Xinhui.Pan@amd.com>, <airlied@gmail.com>,
<daniel@ffwll.ch>
CC: <amd-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>,
<linux-kernel@vger.kernel.org>, Arvind Yadav <Arvind.Yadav@amd.com>
Subject: [PATCH v2 0/1] drm/amdkfd: Fix unaligned doorbell absolute offset for
gfx8
Date: Thu, 28 Sep 2023 15:24:26 +0530
Message-ID: <20230928095427.4337-1-Arvind.Yadav@amd.com>
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drm/amdkfd: Fix unaligned doorbell absolute offset for gfx8
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Message
Arvind Yadav
Sept. 28, 2023, 9:54 a.m. UTC
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(-)