Re: [Intel-gfx] [PATCH v6] drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is power gated.

2014-02-04 Thread Daniel Vetter
On Fri, Jan 31, 2014 at 11:09:47PM +0530, S, Deepak wrote: On 1/31/2014 10:40 PM, Ville Syrjälä wrote: On Thu, Jan 30, 2014 at 11:08:16PM +0530, deepa...@intel.com wrote: From: Deepak S deepa...@intel.com When we enter RC6 and GFX Clocks are off, the voltage remains higher than Vmin. When

Re: [Intel-gfx] [PATCH v6] drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is power gated.

2014-01-31 Thread Ville Syrjälä
On Thu, Jan 30, 2014 at 11:08:16PM +0530, deepa...@intel.com wrote: From: Deepak S deepa...@intel.com When we enter RC6 and GFX Clocks are off, the voltage remains higher than Vmin. When we try to set the freq to RPn, it might fail since the Gfx clocks are down. So to fix this in Gfx idle,

[Intel-gfx] [PATCH v6] drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is power gated.

2014-01-30 Thread deepak . s
From: Deepak S deepa...@intel.com When we enter RC6 and GFX Clocks are off, the voltage remains higher than Vmin. When we try to set the freq to RPn, it might fail since the Gfx clocks are down. So to fix this in Gfx idle, Bring the GFX clock up and set the freq to RPn then move GFx down. v2: