Re: [PATCH v2 2/3] phy: qcom: qmp-combo: Specify PLL version in qmp_v6_dp_serdes_tbl structs
Esteban Urrutia <[email protected]> Wed, 22 Jul 2026 05:27:39 +0000
| Newsgroups | org.kernel.vger.phone-devel,org.infradead.lists.linux-phy,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
On 7/21/26 9:02 PM, Esteban Urrutia wrote: > This does not seem to be the case... > When HBR2 is used over a direct Type-C to Type-C DP Alt Mode connection, > link training fails when v1.1 tables are used instead: Expanding on what I said in my previous email, here is what happens when certain tables are used. - v1 DP serdes, v1 RBR/HBR/HBR2/HBR3: works - v1 DP serdes, v1.1 RBR/HBR/HBR2/HBR3: doesn't work - v1.1 DP serdes, v1 RBR/HBR/HBR2/HBR3: works - v1.1 DP serdes, v1.1 RBR/HBR/HBR2/HBR3: doesn't work The third case is interesting. I'm inclined to believe it works because the only difference between v1 and v1.1 DP serdes tables is the value written to the BG_TIMER offset. Regards, Esteban