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From: Atharva Tiwari <atharvatiwarilinuxdev@gmail.com>
To: alexdeucher@gmail.com
Cc: airlied@gmail.com, alexander.deucher@amd.com,
	amd-gfx@lists.freedesktop.org, atharvatiwarilinuxdev@gmail.com,
	bhelgaas@google.com, bp@alien8.de, christian.koenig@amd.com,
	dave.hansen@linux.intel.com, dev@deq.rocks,
	dri-devel@lists.freedesktop.org, hansg@kernel.org,
	harry.wentland@amd.com, hpa@zytor.com,
	ilpo.jarvinen@linux.intel.com, kenneth.feng@amd.com,
	linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
	mingo@redhat.com, platform-driver-x86@vger.kernel.org,
	simona@ffwll.ch, siqueira@igalia.com, sunpeng.li@amd.com,
	tglx@kernel.org, x86@kernel.org
Subject: Re: [PATCH 10/13] drm/amdgpu: Catch register access while GMUX keeps the GPU off
Date: Tue, 27 Oct 2026 04:29:13 -0400	[thread overview]
Message-ID: <20261027082913.8002-1-atharvatiwarilinuxdev@gmail.com> (raw)
In-Reply-To: <CADnq5_O2tEUHOcbiKL8c4UHpy3AmOWtmM7A8o3jP2qLwkx2jUQ@mail.gmail.com>

> You can drop this.  Nothing about this is GMUX specific.

I agree, but there needs to be another variable. Using pm_runtime_suspended
or using any other pm function will not work, as amdgpu_pmops_runtime_resume
also requires hardware access and even though hardware is accessable by then
pm core will show that its runtime suspended.


  reply	other threads:[~2026-10-27  8:29 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-25  3:59 [PATCH 00/13] Fixes for apple-gmux and runtime support Atharva Tiwari
2026-10-25  3:59 ` [PATCH 01/13] platform/apple-gmux: Fix power for MMIO systems Atharva Tiwari
2026-10-25  3:59 ` [PATCH 02/13] PCI: Disable pcie port and access on D3 on specific amd devices Atharva Tiwari
2026-10-27 23:00   ` Bjorn Helgaas
2026-10-28  0:08     ` Atharva Tiwari
2026-10-28  1:19       ` Atharva Tiwari
2026-10-25  3:59 ` [PATCH 03/13] platform/apple-gmux: Fix MMIO interface Atharva Tiwari
2026-10-25 22:10   ` kernel test robot
2026-10-25  3:59 ` [PATCH 04/13] platform/apple-gmux: Fix Interrupts for MMIO systems Atharva Tiwari
2026-10-25  3:59 ` [PATCH 05/13] platform/apple-gmux: Write switch state to EFI on MMIO devices Atharva Tiwari
2026-10-25  3:59 ` [PATCH 06/13] platform/apple-gmux: Add parameter to configure boot gpu Atharva Tiwari
2026-10-25  3:59 ` [PATCH 07/13] platform/apple-gmux: Add check to detect FSS Atharva Tiwari
2026-10-25  3:59 ` [PATCH 08/13] platform/apple-gmux: Add documentation about iMacs Atharva Tiwari
2026-10-25  3:59 ` [PATCH 09/13] drm/amdgpu: Add Apple GMUX runtime PM support Atharva Tiwari
2026-10-25  3:59 ` [PATCH 10/13] drm/amdgpu: Catch register access while GMUX keeps the GPU off Atharva Tiwari
2026-10-26 18:25   ` Alex Deucher
2026-10-27  8:29     ` Atharva Tiwari [this message]
2026-10-27 15:22       ` Alex Deucher
2026-10-25  3:59 ` [PATCH 11/13] drm/amd/display: Refuse DP AUX " Atharva Tiwari
2026-10-26 18:25   ` Alex Deucher
2026-10-25  3:59 ` [PATCH 12/13] drm/amdgpu: Skip AC/DC notification while the GPU is runtime suspended Atharva Tiwari
2026-10-26 18:18   ` Alex Deucher
2026-10-25  3:59 ` [PATCH 13/13] drm/amd/display: Skip panel power savings on eDP links without a panel Atharva Tiwari

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