PSR must be enabled after transcoder and port are running. And it is only available for HSW.
v2: move enable/disable to intel_ddi
Signed-off-by: Rodrigo Vivi rodrigo.vivi@gmail.com --- drivers/gpu/drm/i915/intel_ddi.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 816c45c..bbfdcfd 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1321,6 +1321,7 @@ static void intel_enable_ddi(struct intel_encoder *intel_encoder) struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
ironlake_edp_backlight_on(intel_dp); + intel_edp_enable_psr(intel_dp); }
if (intel_crtc->eld_vld) { @@ -1345,6 +1346,7 @@ static void intel_disable_ddi(struct intel_encoder *intel_encoder) struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
ironlake_edp_backlight_off(intel_dp); + intel_edp_disable_psr(intel_dp); }
tmp = I915_READ(HSW_AUD_PIN_ELD_CP_VLD);