Re: [Intel-gfx] [PATCH v4] drm/i915/display: Support PSR entry VSC packet to be transmitted one frame earlier

2023-11-09 Thread Kahola, Mika
> -Original Message- > From: Jani Nikula > Sent: Wednesday, November 8, 2023 7:42 PM > To: Ville Syrjälä ; Kahola, Mika > > Cc: intel-gfx@lists.freedesktop.org > Subject: Re: [Intel-gfx] [PATCH v4] drm/i915/display: Support PSR entry VSC > packet to be trans

Re: [Intel-gfx] [PATCH v4] drm/i915/display: Support PSR entry VSC packet to be transmitted one frame earlier

2023-11-08 Thread Jani Nikula
On Wed, 08 Nov 2023, Ville Syrjälä wrote: > On Wed, Nov 08, 2023 at 06:59:18PM +0200, Ville Syrjälä wrote: >> On Mon, Nov 06, 2023 at 01:42:28PM +0200, Mika Kahola wrote: >> > Display driver shall read DPCD 00071h[3:1] during configuration >> > to get PSR setup time. This register provides the

Re: [Intel-gfx] [PATCH v4] drm/i915/display: Support PSR entry VSC packet to be transmitted one frame earlier

2023-11-08 Thread Ville Syrjälä
On Wed, Nov 08, 2023 at 06:59:18PM +0200, Ville Syrjälä wrote: > On Mon, Nov 06, 2023 at 01:42:28PM +0200, Mika Kahola wrote: > > Display driver shall read DPCD 00071h[3:1] during configuration > > to get PSR setup time. This register provides the setup time > > requirement on the VSC SDP entry

Re: [Intel-gfx] [PATCH v4] drm/i915/display: Support PSR entry VSC packet to be transmitted one frame earlier

2023-11-08 Thread Ville Syrjälä
On Mon, Nov 06, 2023 at 01:42:28PM +0200, Mika Kahola wrote: > Display driver shall read DPCD 00071h[3:1] during configuration > to get PSR setup time. This register provides the setup time > requirement on the VSC SDP entry packet. If setup time cannot be > met with the current timings > (e.g.,

Re: [Intel-gfx] [PATCH v4] drm/i915/display: Support PSR entry VSC packet to be transmitted one frame earlier

2023-11-06 Thread Hogander, Jouni
On Mon, 2023-11-06 at 13:42 +0200, Mika Kahola wrote: > Display driver shall read DPCD 00071h[3:1] during configuration > to get PSR setup time. This register provides the setup time > requirement on the VSC SDP entry packet. If setup time cannot be > met with the current timings > (e.g., PSR

[Intel-gfx] [PATCH v4] drm/i915/display: Support PSR entry VSC packet to be transmitted one frame earlier

2023-11-06 Thread Mika Kahola
Display driver shall read DPCD 00071h[3:1] during configuration to get PSR setup time. This register provides the setup time requirement on the VSC SDP entry packet. If setup time cannot be met with the current timings (e.g., PSR setup time + other blanking requirements > blanking time), driver