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
> -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
> -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
, 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
> -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
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
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.
>
> -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
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