linux-kernel - Re: (subset) [PATCH v6 0/8] Add TH1520 GPU support with power sequencing

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Message-ID: <175077347940.80530.12388970181360361507.b4-ty@linaro.org>
Date: Tue, 24 Jun 2025 15:58:03 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Drew Fustini <drew@...7.com>,
	Guo Ren <guoren@...nel.org>,
	Fu Wei <wefu@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Frank Binns <frank.binns@...tec.com>,
	Matt Coster <matt.coster@...tec.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Michal Wilczynski <m.wilczynski@...sung.com>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: (subset) [PATCH v6 0/8] Add TH1520 GPU support with power sequencing

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>


On Mon, 23 Jun 2025 13:42:38 +0200, Michal Wilczynski wrote:
> This patch series introduces support for the Imagination IMG BXM-4-64
> GPU found on the T-HEAD TH1520 SoC. A key aspect of this support is
> managing the GPU's complex power-up and power-down sequence, which
> involves multiple clocks and resets.
> 
> The TH1520 GPU requires a specific sequence to be followed for its
> clocks and resets to ensure correct operation. Initial discussions and
> an earlier version of this series explored managing this via the generic
> power domain (genpd) framework. However, following further discussions
> with kernel maintainers [1], the approach has been reworked to utilize
> the dedicated power sequencing (pwrseq) framework.
> 
> [...]

Applied, thanks!

[1/8] power: sequencing: Add T-HEAD TH1520 GPU power sequencer driver
      https://git.kernel.org/brgl/linux/c/d4c2d9b5b7ceed14a3a835fd969bb0699b9608d3

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@...aro.org>