Re: [Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2018-01-22 Thread Ville Syrjälä
On Mon, Jan 22, 2018 at 12:07:28PM +0530, Sharma, Shashank wrote: > Regards > > Shashank > > > On 1/13/2018 2:34 AM, Ville Syrjala wrote: > > From: Ville Syrjälä > > > > The LG 4k TV I have doesn't deassert HPD when I turn the TV off, but > > when I turn it back

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2018-01-21 Thread Sharma, Shashank
Regards Shashank On 1/13/2018 2:34 AM, Ville Syrjala wrote: From: Ville Syrjälä The LG 4k TV I have doesn't deassert HPD when I turn the TV off, but when I turn it back on it will pulse the HPD line. By that time it has forgotten everything we told it about

[Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2018-01-12 Thread Ville Syrjala
From: Ville Syrjälä The LG 4k TV I have doesn't deassert HPD when I turn the TV off, but when I turn it back on it will pulse the HPD line. By that time it has forgotten everything we told it about scrambling and the clock ratio. Hence if we want to get a picture

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2018-01-11 Thread Sharma, Shashank
Regards Shashank On 1/10/2018 9:53 PM, Ville Syrjälä wrote: On Wed, Jan 10, 2018 at 10:07:43AM +0530, Sharma, Shashank wrote: Regards Shashank On 1/9/2018 11:31 PM, Ville Syrjälä wrote: On Thu, Dec 28, 2017 at 08:32:05PM +0530, Sharma, Shashank wrote: On 12/22/2017 11:58 PM, Ville

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2018-01-10 Thread Ville Syrjälä
On Wed, Jan 10, 2018 at 10:07:43AM +0530, Sharma, Shashank wrote: > Regards > > Shashank > > > On 1/9/2018 11:31 PM, Ville Syrjälä wrote: > > On Thu, Dec 28, 2017 at 08:32:05PM +0530, Sharma, Shashank wrote: > >> > >> On 12/22/2017 11:58 PM, Ville Syrjala wrote: > >>> From: Ville Syrjälä

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2018-01-09 Thread Sharma, Shashank
Regards Shashank On 1/9/2018 11:31 PM, Ville Syrjälä wrote: On Thu, Dec 28, 2017 at 08:32:05PM +0530, Sharma, Shashank wrote: On 12/22/2017 11:58 PM, Ville Syrjala wrote: From: Ville Syrjälä The LG 4k TV I have doesn't deassert HPD when I turn the TV off,

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2018-01-09 Thread Ville Syrjälä
On Thu, Dec 28, 2017 at 08:32:05PM +0530, Sharma, Shashank wrote: > > > On 12/22/2017 11:58 PM, Ville Syrjala wrote: > > From: Ville Syrjälä > > > > The LG 4k TV I have doesn't deassert HPD when I turn the TV off, but > > when I turn it back on it will pulse the

Re: [Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2017-12-28 Thread Sharma, Shashank
On 12/22/2017 11:58 PM, Ville Syrjala wrote: From: Ville Syrjälä The LG 4k TV I have doesn't deassert HPD when I turn the TV off, but when I turn it back on it will pulse the HPD line. By that time it has forgotten everything we told it about scrambling and the

[Intel-gfx] [PATCH 2/3] drm/i915: Reinitialize sink scrambling/TMDS clock ratio on HPD

2017-12-22 Thread Ville Syrjala
From: Ville Syrjälä The LG 4k TV I have doesn't deassert HPD when I turn the TV off, but when I turn it back on it will pulse the HPD line. By that time it has forgotten everything we told it about scrambling and the clock ratio. Hence if we want to get a picture