From: Bjorn Andersson <andersson@kernel.org>
To: Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Abel Vesa <abel.vesa@oss.qualcomm.com>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Sean Paul <sean@poorly.run>,
Konrad Dybcio <konradybcio@kernel.org>,
Akhil P Oommen <akhilpo@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Taniya Das <taniya.das@oss.qualcomm.com>
Cc: Ajit Pandey <ajit.pandey@oss.qualcomm.com>,
Imran Shaik <imran.shaik@oss.qualcomm.com>,
Jagadeesh Kona <jagadeesh.kona@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org,
Pengyu Luo <mitltlatltl@gmail.com>,
Alexander Koskovich <akoskovich@pm.me>
Subject: Re: (subset) [PATCH v2 0/6] qcom: Refactor GPU GX GDSC handling and IFPC behavior on A8x GPUs
Date: Mon, 6 Jul 2026 20:27:27 -0500 [thread overview]
Message-ID: <178338764560.1558388.7832610679796697421.b4-ty@kernel.org> (raw)
In-Reply-To: <20260427-gfx-clk-fixes-v2-0-797e54b3d464@oss.qualcomm.com>
On Mon, 27 Apr 2026 12:08:54 +0530, Taniya Das wrote:
> This series fixes two closely related issues around GX GDSC ownership and
> rail control on A8x GPUs, where recent hardware changes and runtime PM
> interactions violate GMU and IFPC(Inter Frame Power Collapse) architectural
> expectations.
>
> Problem statement 1: Incorrect GX GDSC disable by OS
> ----------------------------------------------------
> GX GDSC is a special GPU power domain that must be exclusively controlled
> by GMU firmware during normal operation. The OS is expected to force‑
> disable GX GDSC only during GPU/GMU recovery.
>
> [...]
Applied, thanks!
[1/6] clk: qcom: gdsc: Add custom disable callback for GX GDSC
commit: 0661ee1d650facefdf61401c7d00eb96fad40b10
[2/6] clk: qcom: gxclkctl: Use custom disable callback for gx_gdsc
commit: badf361c00c802738c776fb5f4e8b08b4d0bad1c
[3/6] clk: qcom: common: ensure runtime PM suspend completes on probe
commit: a5da6c5697a50a5956ae7645e52d0007ac8b3395
[4/6] clk: qcom: gxclkctl: Remove GX/GMxC rail votes to align with IFPC
commit: 1c99638642c2137d7e699e7b2ab400df7ef15774
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
prev parent reply other threads:[~2026-07-07 1:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 6:38 Taniya Das
2026-04-27 6:38 ` [PATCH v2 1/6] clk: qcom: gdsc: Add custom disable callback for GX GDSC Taniya Das
2026-04-27 13:13 ` Konrad Dybcio
2026-04-27 6:38 ` [PATCH v2 2/6] clk: qcom: gxclkctl: Use custom disable callback for gx_gdsc Taniya Das
2026-04-27 6:38 ` [PATCH v2 3/6] clk: qcom: common: ensure runtime PM suspend completes on probe Taniya Das
2026-04-27 13:17 ` Konrad Dybcio
2026-04-27 6:38 ` [PATCH v2 4/6] clk: qcom: gxclkctl: Remove GX/GMxC rail votes to align with IFPC Taniya Das
2026-04-27 13:14 ` Konrad Dybcio
2026-04-27 6:38 ` [PATCH v2 5/6] drm/msm/a8xx: Make a8xx_recover IFPC safe Taniya Das
2026-04-27 6:39 ` [PATCH v2 6/6] drm/msm/a6xx: Limit GXPD votes to recovery in A8x Taniya Das
2026-04-27 13:17 ` Konrad Dybcio
2026-07-07 1:27 ` Bjorn Andersson [this message]
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