Re: [Intel-gfx] [PATCH v2] drm/i915/combo_phy: Add Workaround to avoid flicker with HBR3 eDP Panels

2022-08-22 Thread Nautiyal, Ankit K
The Bspec:49291 is now changed to reflect that for all platforms the DCC_MODE will be programmed to DCC_MODE_SELECT_ONCE, rather than DCC_MODE_SELECT_CONTINUOUSLY. I will send new patch for the same. Regards, Ankit On 8/10/2022 8:26 PM, Ankit Nautiyal wrote: Wa_22012718247 : When Display PH

[Intel-gfx] [PATCH v2] drm/i915/combo_phy: Add Workaround to avoid flicker with HBR3 eDP Panels

2022-08-10 Thread Ankit Nautiyal
Wa_22012718247 : When Display PHY is configured in continuous DCC calibration mode, the DCC (duty cycle correction) for the clock erroneously goes through a state where the DCC code is 0x00 when it is supposed to be transitioning from 0x10 to 0x0F. This glitch causes a distortion in the clock, whic