Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-13 Thread Sharma, Shashank
On 7/13/2017 6:49 PM, Ville Syrjälä wrote: Yeah something like this perhaps: "We send 4:4:4 data to LSPCON which performs the 4:4:4->4:2:0 downsampling or us, hence we don't need a pipe scaler." Seems good ! Will add this. - Shashank ___ Intel-gfx m

Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-13 Thread Ville Syrjälä
On Thu, Jul 13, 2017 at 06:40:36PM +0530, Sharma, Shashank wrote: > Regards > > Shashank > > > On 7/13/2017 6:25 PM, Ville Syrjälä wrote: > > On Thu, Jul 13, 2017 at 06:09:53PM +0530, Sharma, Shashank wrote: > >> Regards > >> > >> Shashank > >> > >> > >> On 7/13/2017 5:57 PM, Ville Syrjälä wrote

Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-13 Thread Sharma, Shashank
Regards Shashank On 7/13/2017 6:25 PM, Ville Syrjälä wrote: On Thu, Jul 13, 2017 at 06:09:53PM +0530, Sharma, Shashank wrote: Regards Shashank On 7/13/2017 5:57 PM, Ville Syrjälä wrote: On Thu, Jul 13, 2017 at 11:11:53AM +0530, Sharma, Shashank wrote: Regards Shashank On 7/12/2017 10:

Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-13 Thread Ville Syrjälä
On Thu, Jul 13, 2017 at 06:09:53PM +0530, Sharma, Shashank wrote: > Regards > > Shashank > > > On 7/13/2017 5:57 PM, Ville Syrjälä wrote: > > On Thu, Jul 13, 2017 at 11:11:53AM +0530, Sharma, Shashank wrote: > >> Regards > >> > >> Shashank > >> > >> > >> On 7/12/2017 10:54 PM, Ville Syrjälä wrot

Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-13 Thread Sharma, Shashank
Regards Shashank On 7/13/2017 5:57 PM, Ville Syrjälä wrote: On Thu, Jul 13, 2017 at 11:11:53AM +0530, Sharma, Shashank wrote: Regards Shashank On 7/12/2017 10:54 PM, Ville Syrjälä wrote: On Mon, Jul 10, 2017 at 04:48:48PM +0530, Shashank Sharma wrote: LSPCON chips can't pick the HDMI AVI

Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-13 Thread Ville Syrjälä
On Thu, Jul 13, 2017 at 11:11:53AM +0530, Sharma, Shashank wrote: > Regards > > Shashank > > > On 7/12/2017 10:54 PM, Ville Syrjälä wrote: > > On Mon, Jul 10, 2017 at 04:48:48PM +0530, Shashank Sharma wrote: > >> LSPCON chips can't pick the HDMI AVI infoframes from direct link. > >> In order to

Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-12 Thread Sharma, Shashank
Regards Shashank On 7/12/2017 10:54 PM, Ville Syrjälä wrote: On Mon, Jul 10, 2017 at 04:48:48PM +0530, Shashank Sharma wrote: LSPCON chips can't pick the HDMI AVI infoframes from direct link. In order to pass AVI infoframes from display controller to LSPCON, we have to write infoframe packets

Re: [Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-12 Thread Ville Syrjälä
On Mon, Jul 10, 2017 at 04:48:48PM +0530, Shashank Sharma wrote: > LSPCON chips can't pick the HDMI AVI infoframes from direct link. > In order to pass AVI infoframes from display controller to LSPCON, > we have to write infoframe packets into vendor specified AUX address. > > Also, LSPCON vendors

[Intel-gfx] [PATCH 20/20] drm/i915: write AVI infoframes for LSPCON

2017-07-10 Thread Shashank Sharma
LSPCON chips can't pick the HDMI AVI infoframes from direct link. In order to pass AVI infoframes from display controller to LSPCON, we have to write infoframe packets into vendor specified AUX address. Also, LSPCON vendors provide AUX offsets, to inform the LSPCON chip that the AVI IF packets are