Re: [Intel-gfx] [PATCH] drm/i915/vlv: Remove check for Old Ack during forcewake

2014-09-18 Thread Ville Syrjälä
On Thu, Sep 18, 2014 at 06:51:50PM +0530, deepa...@linux.intel.com wrote: From: Deepak S deepa...@linux.intel.com Based on the HW team inputs. We can should not wait for the old ack, Waiting for old ack might fail, when other forcewake came before the present one is desserted. for

Re: [Intel-gfx] [PATCH] drm/i915/vlv: Remove check for Old Ack during forcewake

2014-09-18 Thread Daniel Vetter
On Thu, Sep 18, 2014 at 11:39:25AM +0300, Ville Syrjälä wrote: On Thu, Sep 18, 2014 at 06:51:50PM +0530, deepa...@linux.intel.com wrote: From: Deepak S deepa...@linux.intel.com Based on the HW team inputs. We can should not wait for the old ack, Waiting for old ack might fail, when other

Re: [Intel-gfx] [PATCH] drm/i915/vlv: Remove check for Old Ack during forcewake

2014-09-18 Thread Ville Syrjälä
On Thu, Sep 18, 2014 at 01:53:13PM +0200, Daniel Vetter wrote: On Thu, Sep 18, 2014 at 11:39:25AM +0300, Ville Syrjälä wrote: On Thu, Sep 18, 2014 at 06:51:50PM +0530, deepa...@linux.intel.com wrote: From: Deepak S deepa...@linux.intel.com Based on the HW team inputs. We can should

Re: [Intel-gfx] [PATCH] drm/i915/vlv: Remove check for Old Ack during forcewake

2014-09-18 Thread Deepak S
On Thursday 18 September 2014 06:38 PM, Ville Syrjälä wrote: On Thu, Sep 18, 2014 at 01:53:13PM +0200, Daniel Vetter wrote: On Thu, Sep 18, 2014 at 11:39:25AM +0300, Ville Syrjälä wrote: On Thu, Sep 18, 2014 at 06:51:50PM +0530, deepa...@linux.intel.com wrote: From: Deepak S

Re: [Intel-gfx] [PATCH] drm/i915/vlv: Remove check for Old Ack during forcewake

2014-09-18 Thread Deepak S
On Thursday 18 September 2014 02:09 PM, Ville Syrjälä wrote: On Thu, Sep 18, 2014 at 06:51:50PM +0530, deepa...@linux.intel.com wrote: From: Deepak S deepa...@linux.intel.com Based on the HW team inputs. We can should not wait for the old ack, Waiting for old ack might fail, when other

[Intel-gfx] [PATCH] drm/i915/vlv: Remove check for Old Ack during forcewake

2014-09-17 Thread deepak . s
From: Deepak S deepa...@linux.intel.com Based on the HW team inputs. We can should not wait for the old ack, Waiting for old ack might fail, when other forcewake came before the present one is desserted. for example, if forcewake bit 0 was set and before it could get cleared forcewake bit 1 got