Re: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-14 Thread Ville Syrjälä
t;> intel-gfx@lists.freedesktop.org > >> Cc: Deak, Imre ; Syrjala, Ville > >> ; > >> Shankar, Uma ; Murthy, Arun R > >> > >> Subject: Re: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT > >> > >> On Tue, 06 Feb 2024, Arun R Murth

RE: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-14 Thread Jani Nikula
On Wed, 14 Feb 2024, "Murthy, Arun R" wrote: >> >> And with the current code, DP_CAP_ANSI_128B132B does not decide >> >> whether we use DP MST or not. So this will also cover 8b/10b fallback >> >> for displays that support 128b/132b but have DP_MSTM_CAP == 0. >> > >> > Yes, the series doent depend

RE: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-14 Thread Murthy, Arun R
> -Original Message- > From: Nikula, Jani > Sent: Wednesday, February 14, 2024 4:54 PM > To: Murthy, Arun R ; intel-gfx@lists.freedesktop.org > Cc: Deak, Imre ; Syrjala, Ville > ; > Shankar, Uma > Subject: RE: [RFC 1/4] drm/i915/display/dp: Add DP fallback o

RE: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-14 Thread Jani Nikula
ankar, Uma ; Murthy, Arun R >> >> Subject: Re: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT >> >> On Tue, 06 Feb 2024, Arun R Murthy wrote: >> > Fallback mandates on DP link training failure. This patch just covers >> > the DP2.0 fallback sequence

RE: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-13 Thread Murthy, Arun R
> -Original Message- > From: Nikula, Jani > Sent: Tuesday, February 13, 2024 11:41 PM > To: Murthy, Arun R ; intel-gfx@lists.freedesktop.org > Cc: Deak, Imre ; Syrjala, Ville > ; > Shankar, Uma ; Murthy, Arun R > > Subject: Re: [RFC 1/4] drm/i915/displa

Re: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-13 Thread Jani Nikula
On Tue, 06 Feb 2024, Arun R Murthy wrote: > Fallback mandates on DP link training failure. This patch just covers > the DP2.0 fallback sequence. > > TODO: Need to implement the DP1.4 fallback. > > Signed-off-by: Arun R Murthy > --- > drivers/gpu/drm/i915/display/intel_dp.c | 92 +

RE: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-06 Thread Murthy, Arun R
> -Original Message- > From: Almahallawy, Khaled > Sent: Wednesday, February 7, 2024 4:11 AM > To: Murthy, Arun R ; intel-gfx@lists.freedesktop.org > Cc: Shankar, Uma ; Nikula, Jani > ; Deak, Imre ; Syrjala, Ville > > Subject: Re: [RFC 1/4] drm/i915/display/d

Re: [RFC 1/4] drm/i915/display/dp: Add DP fallback on LT

2024-02-06 Thread Almahallawy, Khaled
On Tue, 2024-02-06 at 16:17 +0530, Arun R Murthy wrote: > Fallback mandates on DP link training failure. This patch just covers > the DP2.0 fallback sequence. > > TODO: Need to implement the DP1.4 fallback. > > Signed-off-by: Arun R Murthy > --- > drivers/gpu/drm/i915/display/intel_dp.c | 92 ++