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Tue, 21 Feb 2023 23:55:54 -0800 (PST) Date: Wed, 22 Feb 2023 15:55:50 +0800 From: Chen-Yu Tsai To: AngeloGioacchino Del Regno Cc: airlied@gmail.com, daniel@ffwll.ch, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, steven.price@arm.com, alyssa.rosenzweig@collabora.com, matthias.bgg@gmail.com, robh@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH v2 00/10] Panfrost: Improve and add MediaTek SoCs support Message-ID: References: <20230221153740.1620529-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230221153740.1620529-1-angelogioacchino.delregno@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230221_235556_871886_8150859D X-CRM114-Status: GOOD ( 22.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Feb 21, 2023 at 04:37:30PM +0100, AngeloGioacchino Del Regno wrote: > Changes in v2: > - Add power-domain-names commit from Chen-Yu to the series > - Kept sram-supply in base schema, overridden for non-MediaTek > - Added Reviewed-by tags from Steven Price to the driver commits > (as released in reply to v1's cover letter - thanks!) > > This series adds support for new MediaTek SoCs (MT8186/MT8192/MT8195) > and improves MT8183 support: since the mtk-regulator-coupler driver > was picked, it is now useless for Panfrost to look for, and manage, > two regulators (GPU Vcore and GPU SRAM) on MediaTek; > > The aforementioned driver will take care of keeping the voltage > relation (/constraints) of the two regulators on its own when a > voltage change request is sent to the Vcore, solving the old time > issue with not working DVFS on Panfrost+MediaTek (due to devfreq > supporting only single regulator). > > In the specific case of MT8183, in order to not break the ABI, it > was necessary to add a new compatible for enabling DVFS. > > Alyssa Rosenzweig (3): > drm/panfrost: Increase MAX_PM_DOMAINS to 5 > drm/panfrost: Add the MT8192 GPU ID > drm/panfrost: Add mediatek,mt8192-mali compatible > > AngeloGioacchino Del Regno (6): > dt-bindings: gpu: mali-bifrost: Split out MediaTek power-domains > variation > dt-bindings: gpu: mali-bifrost: Allow up to 5 power domains for MT8192 > dt-bindings: gpu: mali-bifrost: Add compatible for MT8195 SoC > dt-bindings: gpu: mali-bifrost: Add new MT8183 compatible > dt-bindings: gpu: mali-bifrost: Add a compatible for MediaTek MT8186 > drm/panfrost: Add new compatible for Mali on the MT8183 SoC > > Chen-Yu Tsai (1): > dt-bindings: gpu: mali-bifrost: Add power-domain-names to base schema > > .../bindings/gpu/arm,mali-bifrost.yaml | 67 ++++++++++++++++++- > drivers/gpu/drm/panfrost/panfrost_device.h | 2 +- > drivers/gpu/drm/panfrost/panfrost_drv.c | 28 ++++++++ > drivers/gpu/drm/panfrost/panfrost_gpu.c | 8 +++ > 4 files changed, 101 insertions(+), 4 deletions(-) Tested-by: Chen-Yu Tsai on MT8183, MT8186, MT8192, MT8195 with glmark2. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel