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 at 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 feb7a4a..1dba035d 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -1306,6 +1306,7 @@ 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); } } @@ -1318,6 +1319,7 @@ 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); } } -- 1.7.11.7
