Re: [Intel-gfx] [PATCH 08/12] drm/i915: Make sure PND deadline mode is enabled on VLV/CHV

2015-03-06 Thread Daniel Vetter
On Thu, Mar 05, 2015 at 09:19:48PM +0200, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > Poke at the CBR1_VLV register during init_clock_gating to make sure the > PND deadline scheme is used. > > The hardware has two modes of operation wrt. watermarks: > > 1) PND deadline mode:

[Intel-gfx] [PATCH 08/12] drm/i915: Make sure PND deadline mode is enabled on VLV/CHV

2015-03-05 Thread ville . syrjala
From: Ville Syrjälä Poke at the CBR1_VLV register during init_clock_gating to make sure the PND deadline scheme is used. The hardware has two modes of operation wrt. watermarks: 1) PND deadline mode: - memory request deadline is calculated from actual FIFO level * DDL - WM1 watermark values a

Re: [Intel-gfx] [PATCH 08/12] drm/i915: Make sure PND deadline mode is enabled on VLV/CHV

2015-02-27 Thread Ville Syrjälä
On Fri, Feb 27, 2015 at 12:38:44PM -0800, Jesse Barnes wrote: > On 02/10/2015 05:28 AM, ville.syrj...@linux.intel.com wrote: > > From: Ville Syrjälä > > > > Poke at the CBR1_VLV register during init_clock_gating to make sure the > > PND deadline scheme is used. > > > > The hardware has two modes

Re: [Intel-gfx] [PATCH 08/12] drm/i915: Make sure PND deadline mode is enabled on VLV/CHV

2015-02-27 Thread Jesse Barnes
On 02/10/2015 05:28 AM, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > Poke at the CBR1_VLV register during init_clock_gating to make sure the > PND deadline scheme is used. > > The hardware has two modes of operation wrt. watermarks: > > 1) PND deadline mode: > - memory reques

[Intel-gfx] [PATCH 08/12] drm/i915: Make sure PND deadline mode is enabled on VLV/CHV

2015-02-10 Thread ville . syrjala
From: Ville Syrjälä Poke at the CBR1_VLV register during init_clock_gating to make sure the PND deadline scheme is used. The hardware has two modes of operation wrt. watermarks: 1) PND deadline mode: - memory request deadline is calculated from actual FIFO level * DDL - WM1 watermark values a