[Intel-gfx] [PATCH 11/18] drm/i915: Add PM regs to pre install

[Damien Lespiau]

On Sat, Apr 27, 2013 at 05:59:22PM -0700, Ben Widawsky wrote:
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> ---
>  drivers/gpu/drm/i915/i915_irq.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 21b09cd..4a1b7f5 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -2525,6 +2525,11 @@ static void ivybridge_irq_preinstall(struct drm_device *dev)
>  	I915_WRITE(SDEIMR, 0xffffffff);
>  	I915_WRITE(SDEIER, 0x0);
>  	POSTING_READ(SDEIER);
> +
> +	/* Power management */
> +	I915_WRITE(GEN6_PMIMR, 0xffffffff);
> +	I915_WRITE(GEN6_PMIER, 0x0);
> +	POSTING_READ(GEN6_PMIER);
>  }

With the comments on the previous patch, I guess this shoulde be put
before the if (HAS_PCH_NOP) return; block and thus before the DE
init.

-- 
Damien