Re: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-30 Thread Jani Nikula
On Wed, 30 Oct 2024, Suraj Kandpal wrote: > Add the loop on the first read/write we do to give docks and dp encoders > some extra time to get their HDCP DPCD registers ready only for > DP/DPMST encoders as this issue is only observed here no need to burden > other encoders with extra retries as th

RE: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-30 Thread Kandpal, Suraj
> -Original Message- > From: Jani Nikula > Sent: Wednesday, October 30, 2024 3:52 PM > To: Borah, Chaitanya Kumar ; Kandpal, > Suraj ; intel...@lists.freedesktop.org; intel- > g...@lists.freedesktop.org > Subject: RE: [PATCH] drm/i915/hdcp: Add the loop only for DP

RE: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-30 Thread Kandpal, Suraj
> -Original Message- > From: Borah, Chaitanya Kumar > Sent: Wednesday, October 30, 2024 10:20 AM > To: Kandpal, Suraj ; intel...@lists.freedesktop.org; > intel-gfx@lists.freedesktop.org > Subject: RE: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders > &g

RE: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-30 Thread Jani Nikula
, Chaitanya Kumar >> >> Subject: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders >> >> Add the loop on the first read/write we do to give docks and dp encoders >> some extra time to get their HDCP DPCD registers ready only for DP/DPMST >> encoders as thi

RE: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-29 Thread Borah, Chaitanya Kumar
> -Original Message- > From: Kandpal, Suraj > Sent: Wednesday, October 30, 2024 8:23 AM > To: intel...@lists.freedesktop.org; intel-gfx@lists.freedesktop.org > Cc: Kandpal, Suraj ; Borah, Chaitanya Kumar > > Subject: [PATCH] drm/i915/hdcp: Add the loop only for

[PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-29 Thread Suraj Kandpal
Add the loop on the first read/write we do to give docks and dp encoders some extra time to get their HDCP DPCD registers ready only for DP/DPMST encoders as this issue is only observed here no need to burden other encoders with extra retries as this causes the HDMI connector to have some other tim

RE: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-29 Thread Jani Nikula
ndpal, >> Suraj >> Subject: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders >> >> Add the loop on the first read and write only for DP/DPMST encoders as this >> issue is only observed here no need to burden other encoders with extra >> retries. >

RE: [PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-29 Thread Borah, Chaitanya Kumar
> -Original Message- > From: Kandpal, Suraj > Sent: Tuesday, October 29, 2024 2:23 PM > To: intel...@lists.freedesktop.org; intel-gfx@lists.freedesktop.org > Cc: Borah, Chaitanya Kumar ; Kandpal, > Suraj > Subject: [PATCH] drm/i915/hdcp: Add the loop only for DP

[PATCH] drm/i915/hdcp: Add the loop only for DP encoders

2024-10-29 Thread Suraj Kandpal
Add the loop on the first read and write only for DP/DPMST encoders as this issue is only observed here no need to burden other encoders with extra retries. Fixes: 9d5a05f86d2f ("drm/i915/hdcp: Retry first read and writes to downstream") Signed-off-by: Suraj Kandpal --- drivers/gpu/drm/i915/disp