RE: [PATCH v2] drm/dp: follow DP link CTS spec to read link status back

2021-08-19 Thread Lee, Shawn C
On Wed, 08 Jul 2021, Lee Shawn C wrote: >On Wed, 07 Jul 2021, 4:14 p.m, Jani Nikula wrote: >>On Wed, 07 Jul 2021, Lee Shawn C wrote: >>> Refer to DP link CTS 1.2/1.4 spec, the following test case request >>> source read DPCD 200h - 205h to get latest link status from sink. >>> >>> (4.3.2.4) H

RE: [PATCH v2] drm/dp: follow DP link CTS spec to read link status back

2021-07-12 Thread Lee, Shawn C
On Wed, 08 Jul 2021, Lee Shawn C wrote: >On Wed, 07 Jul 2021, 4:14 p.m, Jani Nikula wrote: >>On Wed, 07 Jul 2021, Lee Shawn C wrote: >>> Refer to DP link CTS 1.2/1.4 spec, the following test case request >>> source read DPCD 200h - 205h to get latest link status from sink. >>> >>> (4.3.2.4) H

RE: [PATCH v2] drm/dp: follow DP link CTS spec to read link status back

2021-07-07 Thread Lee, Shawn C
On Wed, 07 Jul 2021, 4:14 p.m, Jani Nikula wrote: >On Wed, 07 Jul 2021, Lee Shawn C wrote: >> Refer to DP link CTS 1.2/1.4 spec, the following test case request >> source read DPCD 200h - 205h to get latest link status from sink. >> >> (4.3.2.4) Handling of IRQ HPD Pulse with No Error Status Bit

Re: [PATCH v2] drm/dp: follow DP link CTS spec to read link status back

2021-07-07 Thread Jani Nikula
On Wed, 07 Jul 2021, Lee Shawn C wrote: > Refer to DP link CTS 1.2/1.4 spec, the following test case request > source read DPCD 200h - 205h to get latest link status from sink. > > (4.3.2.4) Handling of IRQ HPD Pulse with No Error Status Bits Set > (400.3.2.1) Successful Link Re-training After IRQ

[PATCH v2] drm/dp: follow DP link CTS spec to read link status back

2021-07-07 Thread Lee Shawn C
Refer to DP link CTS 1.2/1.4 spec, the following test case request source read DPCD 200h - 205h to get latest link status from sink. (4.3.2.4) Handling of IRQ HPD Pulse with No Error Status Bits Set (400.3.2.1) Successful Link Re-training After IRQ HPD Pulse Due to Loss of Symbol Lock: