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Message-ID: <cafc11b1-93d1-468d-88c7-b8b6f8b27547@inbox.ru>
Date:   Thu, 19 Oct 2023 13:12:45 +0300
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Subject: Re: [PATCH v7 00/20] Imagination Technologies PowerVR DRM driver
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To:     Sarah Walker <sarah.walker@imgtec.com>,
        dri-devel@lists.freedesktop.org
Cc:     frank.binns@imgtec.com, donald.robson@imgtec.com,
        boris.brezillon@collabora.com, faith.ekstrand@collabora.com,
        airlied@gmail.com, daniel@ffwll.ch,
        maarten.lankhorst@linux.intel.com, mripard@kernel.org,
        tzimmermann@suse.de, afd@ti.com, hns@goldelico.com,
        matthew.brost@intel.com, christian.koenig@amd.com,
        luben.tuikov@amd.com, dakr@redhat.com,
        linux-kernel@vger.kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        devicetree@vger.kernel.org, corbet@lwn.net,
        linux-doc@vger.kernel.org
References: <20231010133738.35274-1-sarah.walker@imgtec.com>
From:   Maxim Kochetkov <fido_max@inbox.ru>
In-Reply-To: <20231010133738.35274-1-sarah.walker@imgtec.com>
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On 10.10.2023 16:37, Sarah Walker wrote:
> This patch series adds the initial DRM driver for Imagination Technologies PowerVR
> GPUs, starting with those based on our Rogue architecture. It's worth pointing
> out that this is a new driver, written from the ground up, rather than a
> refactored version of our existing downstream driver (pvrsrvkm).
> 
> This new DRM driver supports:
> - GEM shmem allocations
> - dma-buf / PRIME
> - Per-context userspace managed virtual address space
> - DRM sync objects (binary and timeline)
> - Power management suspend / resume
> - GPU job submission (geometry, fragment, compute, transfer)
> - META firmware processor
> - MIPS firmware processor
> - GPU hang detection and recovery
> 
> Currently our main focus is on the AXE-1-16M GPU. Testing so far has been done
> using a TI SK-AM62 board (AXE-1-16M GPU). Firmware for the AXE-1-16M can be
> found here:
> https://gitlab.freedesktop.org/frankbinns/linux-firmware/-/tree/powervr

And what about another PowerVR (rogue-based) GPU? There are a lot of 
different models of rogue GPU in existed SoCs. New driver uses v3 
firmware, but vendors uses v1/v2 firmwares. Who will provide 
firmware/source code v3 for all the others models?