Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-21 Thread shuang . he
Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang...@intel.com) Task id: 6445 -Summary- Platform Delta drm-intel-nightly Series Applied PNV

Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-21 Thread Rodrigo Vivi
On Thu, May 21, 2015 at 3:35 AM, Ville Syrjälä wrote: > On Thu, May 21, 2015 at 01:25:28PM +0300, Jani Nikula wrote: >> On Thu, 21 May 2015, Daniel Vetter wrote: >> > On Wed, May 20, 2015 at 11:50:17PM +0300, Ville Syrjälä wrote: >> >> On Wed, May 20, 2015 at 08:38:25PM +, Vivi, Rodrigo wrote

Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-21 Thread Ville Syrjälä
On Thu, May 21, 2015 at 01:25:28PM +0300, Jani Nikula wrote: > On Thu, 21 May 2015, Daniel Vetter wrote: > > On Wed, May 20, 2015 at 11:50:17PM +0300, Ville Syrjälä wrote: > >> On Wed, May 20, 2015 at 08:38:25PM +, Vivi, Rodrigo wrote: > >> > On Wed, 2015-05-20 at 20:26 +0300, Ville Syrjälä wr

Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-21 Thread Jani Nikula
On Thu, 21 May 2015, Daniel Vetter wrote: > On Wed, May 20, 2015 at 11:50:17PM +0300, Ville Syrjälä wrote: >> On Wed, May 20, 2015 at 08:38:25PM +, Vivi, Rodrigo wrote: >> > On Wed, 2015-05-20 at 20:26 +0300, Ville Syrjälä wrote: >> > > On Wed, May 20, 2015 at 09:42:57AM -0700, Rodrigo Vivi wr

Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-21 Thread Daniel Vetter
On Wed, May 20, 2015 at 11:50:17PM +0300, Ville Syrjälä wrote: > On Wed, May 20, 2015 at 08:38:25PM +, Vivi, Rodrigo wrote: > > On Wed, 2015-05-20 at 20:26 +0300, Ville Syrjälä wrote: > > > On Wed, May 20, 2015 at 09:42:57AM -0700, Rodrigo Vivi wrote: > > > > Broadwell Workaround : Do not enabl

Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-20 Thread Ville Syrjälä
On Wed, May 20, 2015 at 08:38:25PM +, Vivi, Rodrigo wrote: > On Wed, 2015-05-20 at 20:26 +0300, Ville Syrjälä wrote: > > On Wed, May 20, 2015 at 09:42:57AM -0700, Rodrigo Vivi wrote: > > > Broadwell Workaround : Do not enable IPS when the pipe pixel rate is > > > greater than > > > 95% of the C

Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-20 Thread Vivi, Rodrigo
On Wed, 2015-05-20 at 20:26 +0300, Ville Syrjälä wrote: > On Wed, May 20, 2015 at 09:42:57AM -0700, Rodrigo Vivi wrote: > > Broadwell Workaround : Do not enable IPS when the pipe pixel rate is > > greater than > > 95% of the CDCLK frequency. The pipe pixel rate is the port pixel rate > > multiplie

Re: [Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-20 Thread Ville Syrjälä
On Wed, May 20, 2015 at 09:42:57AM -0700, Rodrigo Vivi wrote: > Broadwell Workaround : Do not enable IPS when the pipe pixel rate is > greater than > 95% of the CDCLK frequency. The pipe pixel rate is the port pixel rate > multiplied by the pipe scaler down scale amount. Or just merge my patch do

[Intel-gfx] [PATCH] drm/i915/bdw: Simple IPS pixel_rate x 0.95 cdclk restriction

2015-05-20 Thread Rodrigo Vivi
Broadwell Workaround : Do not enable IPS when the pipe pixel rate is greater than 95% of the CDCLK frequency. The pipe pixel rate is the port pixel rate multiplied by the pipe scaler down scale amount. Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_display.c | 9 + drivers/g