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Thu, 29 Oct 2026 18:55:37 -0700 (PDT) Received: from at-Standard-PC-Q35-ICH9-2009 ([106.202.112.166]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-36a42a77c0dsm2730757eec.26.2026.10.29.18.55.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2026 18:55:37 -0700 (PDT) From: Atharva Tiwari To: alexdeucher@gmail.com Cc: airlied@gmail.com, alexander.deucher@amd.com, amd-gfx@lists.freedesktop.org, atharvatiwarilinuxdev@gmail.com, christian.koenig@amd.com, dev@deq.rocks, dri-devel@lists.freedesktop.org, ed@aicharmers.com, kenneth.feng@amd.com, linux-kernel@vger.kernel.org, simona@ffwll.ch Subject: Re: [PATCH v4] drm/amd/pm: defer UCLK DPM on selected Apple Navi GPUs Date: Thu, 29 Oct 2026 21:55:29 -0400 Message-ID: <20261030015529.1686-1-atharvatiwarilinuxdev@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: References: X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > @Andre Eikmeyer I think this patch should fix your system as well. > @Atharva Tiwari are you ok with this patch? > > Thanks, > > Alex No, as i said this is not the reason, and we've already fixed it properly You can see it here: https://github.com/t2linux/linux-t2-patches/blob/main/7003-amdgpu-add-support-for-5K.patch (Adds 5K support and fixes the boot issue). And for the 16,1 issue (i assume), the only fix is https://lore.kernel.org/all/20261024162109.307247-1-dev@deq.rocks/ The PPTables provided uclk clock speeds is wrong, thats what causes the issue, initializing UCLK in post_init wont solve that.