Re: [Intel-gfx] [PATCH 1/7] drm/i915: Disable RC6 before configuring in on VLV/CHV

2015-01-19 Thread Deepak S
On Monday 19 January 2015 05:20 PM, ville.syrj...@linux.intel.com wrote: From: Ville Syrjälä Follow the sequence in the BIOS spec and clear the RC_CONTROL register before changing any of the other RC6/RP registers. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_pm.c | 6 ++

Re: [Intel-gfx] [PATCH 1/7] drm/i915: Disable RC6 before configuring in on VLV/CHV

2015-01-19 Thread Chris Wilson
On Mon, Jan 19, 2015 at 01:50:47PM +0200, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > Follow the sequence in the BIOS spec and clear the RC_CONTROL register > before changing any of the other RC6/RP registers. Hmm, we do disable RC_CONTROL except for a very notable absence of

[Intel-gfx] [PATCH 1/7] drm/i915: Disable RC6 before configuring in on VLV/CHV

2015-01-19 Thread ville . syrjala
From: Ville Syrjälä Follow the sequence in the BIOS spec and clear the RC_CONTROL register before changing any of the other RC6/RP registers. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_pm.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm