[Intel-gfx] [PATCH 08/11] drm/i915: BDW PSR: Remove limitations that aren't valid for BDW.
Vijay Purushothaman
vijay.a.purushothaman at intel.com
Tue Jun 3 13:20:16 CEST 2014
On 5/16/2014 5:43 AM, Rodrigo Vivi wrote:
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>
> ---
> drivers/gpu/drm/i915/intel_dp.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index 28144d3..9421b0b 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -1768,6 +1768,10 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
> return false;
> }
>
> + /* Below limitations aren't valid for Broadwell */
> + if (IS_BROADWELL(dev))
> + goto out;
I couldn't figure out any sprite related restrictions for HSW as well.
Is this because FBC logic doesn't track sprites in HSW?
Thanks,
Vijay
> +
> if (I915_READ(SPRCTL(intel_crtc->pipe)) & SPRITE_ENABLE) {
> DRM_DEBUG_KMS("PSR condition failed: Sprite is Enabled\n");
> return false;
> @@ -1784,6 +1788,7 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
> return false;
> }
>
> + out:
> dev_priv->psr.source_ok = true;
> return true;
> }
>
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