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=?ISO-8859-1?Q?Niederpr=FCm?= Reply-To: dubito@online.de To: Cristian Ciocaltea , Vinod Koul , Neil Armstrong , Heiko Stuebner , linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev Date: Sat, 21 Feb 2026 16:05:42 +0100 In-Reply-To: References: <8e410a11-bd7b-4a12-a711-0514a59409c0@collabora.com> <1859c940219a4dbfdf0497afbf333e627ab0ba25.camel@online.de> <98e46dbb-c8e2-451f-accb-ea48f63f9408@collabora.com> <4544ec4ccfa49cbdffee098878df7806223935a0.camel@online.de> <08369c90-fbab-477d-9ac6-388deddfd3b1@collabora.com> <26e31b3b-484f-433b-833f-c639ee437f63@collabora.com> <03b5f3d1-6db4-4835-b2a5-c22c1aa63825@collabora.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Provags-ID: 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P/lnMKdL4rF53+R7nvtJETUvG6Fw5wLgbxllZnyw5dJq8veB+F/X5IPOcVM5fsjMelKUlBmA+ 9R7rBFl8s+aqFmDNXT8kxLTSamAw0ESM4bXP/4QjIBzMMmd0D/LAHQe3846bnPaUkiWBKL8Fs PwH0/3QAUqHmDEaTYlLefTf+/rfeJdAwRlmrh48Ft6B+SvS0cpt6jjF5kmP4IxHnckx/ffzEq omPC Hi Cristian, Am Mittwoch, dem 18.02.2026 um 22:56 +0200 schrieb Cristian Ciocaltea: > Hi Thomas, >=20 > On 2/18/26 10:43 PM, 1und1 wrote: > > Hi Cristian, > >=20 > >=20 > > Am Mittwoch, dem 18.02.2026 um 22:15 +0200 schrieb Cristian Ciocaltea: > > > On 2/18/26 3:22 AM, Cristian Ciocaltea wrote: > > > > On 2/18/26 2:52 AM, Cristian Ciocaltea wrote: > > > > > Hi Thomas, > > > > [...] > > > >=20 > > > > >=20 > > > > > Sorry, I somehow missed the following warning message, though it = has > > > > > been > > > > > already present in all the logs you've sent to me so far: > > > > >=20 > > > > > =C2=A0 rockchip-hdptx-phy fed60000.phy: PLL locked by unknown con= sumer! > > > > >=20 > > > > > That indicates the PHY has been preconfigured by an external comp= onent > > > > > (e.g. the > > > > > bootloader), which is actually a scenario that I didn't verify. > > > > >=20 > > > > > However, this just another way to expose a limitation of the curr= ent > > > > > approach > > > > > for managing the TMDS character rate: done via the Common Clock > > > > > Framework > > > > > API > > > > > instead of the HDMI PHY configuration API. > > > > >=20 > > > > > As a matter of fact, it was actually an item on my TODOs list for > > > > > quite a > > > > > while, > > > > > but blocked until recently due to several dependencies waiting to= be > > > > > merged > > > > > upstream. > > > > >=20 > > > > > Hence I took the opportunity to finalize this task - please give = the > > > > > following > > > > > commits in my rk3588-hdmi-debug branch [2] a try: > > > >=20 > > > > I've just realized I introduced a regression while doing some clean= up > > > > work, > > > > hence > > > > please ignore this until further notice. > > >=20 > > > I think I got this working properly now, at least it passes all the t= ests > > > I > > > could run.=C2=A0 The updated commits in [2] are: > > >=20 > > > =C2=A0 fa7cd1e75aaa ("phy: rockchip: samsung-hdptx: Fix rate recalcul= ation for > > > high > > > bpc") > > > =C2=A0 8048db5544da ("phy: rockchip: samsung-hdptx: Exclusively use P= HY config > > > API > > > for PLL changes") > > > =C2=A0 0085a382dfd0 ("[DEBUG] drm/rockchip: Add HDMI verbose logging"= ) > > >=20 > >=20 > > applying these commits solves my problems. I tested 1920x1080@60, > > 1920x1080@50 > > and 1920x1080@30. All work now. Thanks for the quick fix!=20 >=20 > Thanks for the quick test! >=20 > I can add you to cc: when I submit the series, so that you may provide yo= ur > Tested-by tag if you'd like to. sure, I would be happy to. >=20 > > And the positive side> effect seems to be that you can now take one of = your > > old todos from your list. >=20 > Indeed. :-) >=20 > Regards, > Cristian Best regards, Thomas