With TBT-ALT mode we are not programming C20 chip PLL's and
hence we don't need to check state verification. We don't
need to program DP link signal levels i.e.pre-emphasis and
voltage swing either.
This patch fixes dmesg errors like this one
"[drm] ERROR PHY F Write 0c06 failed after 3
> -Original Message-
> From: Sousa, Gustavo
> Sent: Monday, November 27, 2023 8:33 PM
> To: Jani Nikula ; Kahola, Mika
> ; intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i915/display: Skip state verification
> with TBT-ALT mode
>
> Q
> -Original Message-
> From: Sousa, Gustavo
> Sent: Monday, November 27, 2023 8:18 PM
> To: Kahola, Mika ; intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i915/display: Skip state verification
> with TBT-ALT mode
>
> Quoting Mika Kahola (2
Quoting Jani Nikula (2023-11-27 13:47:22-03:00)
>On Mon, 27 Nov 2023, Mika Kahola wrote:
>> With TBT-ALT mode we are not programming C20 chip PLL's and
>> hence we don't need to check state verification. We don't
>> need to program DP link signal levels i.e.pre-emphasis and
>> voltage swing
Quoting Mika Kahola (2023-11-27 12:47:02-03:00)
>With TBT-ALT mode we are not programming C20 chip PLL's and
>hence we don't need to check state verification. We don't
>need to program DP link signal levels i.e.pre-emphasis and
>voltage swing either.
>
>This patch fixes dmesg errors like this one
On Mon, 27 Nov 2023, Mika Kahola wrote:
> With TBT-ALT mode we are not programming C20 chip PLL's and
> hence we don't need to check state verification. We don't
> need to program DP link signal levels i.e.pre-emphasis and
> voltage swing either.
>
> This patch fixes dmesg errors like this one
>
With TBT-ALT mode we are not programming C20 chip PLL's and
hence we don't need to check state verification. We don't
need to program DP link signal levels i.e.pre-emphasis and
voltage swing either.
This patch fixes dmesg errors like this one
"[drm] ERROR PHY F Write 0c06 failed after 3