Re: [Intel-gfx] [PATCH] drm/i915/chv: Implement WaDisableShadowRegForCpd

2015-04-15 Thread Deepak S
On Tuesday 14 April 2015 04:29 PM, Ville Syrjälä wrote: On Tue, Apr 14, 2015 at 03:58:54PM +0530, deepa...@linux.intel.com wrote: From: Deepak S deepa...@linux.intel.com This WA disable usage of shadow register during CPD/RC6 transactions on CHV I suppose is a workaround for the shadow vs.

[Intel-gfx] [PATCH] drm/i915/chv: Implement WaDisableShadowRegForCpd

2015-04-14 Thread deepak . s
From: Deepak S deepa...@linux.intel.com This WA disable usage of shadow register during CPD/RC6 transactions on CHV Signed-off-by: Deepak S deepa...@linux.intel.com --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 4 2 files changed, 5 insertions(+) diff --git

Re: [Intel-gfx] [PATCH] drm/i915/chv: Implement WaDisableShadowRegForCpd

2015-04-14 Thread Ville Syrjälä
On Tue, Apr 14, 2015 at 03:58:54PM +0530, deepa...@linux.intel.com wrote: From: Deepak S deepa...@linux.intel.com This WA disable usage of shadow register during CPD/RC6 transactions on CHV I suppose is a workaround for the shadow vs. wake FIFO problem... Yeah hsd seems to agree (after a bit