PSR must be enabled after transcoder and port are running.
And it is only available for HSW.
Signed-off-by: Rodrigo Vivi <rodrigo.v...@gmail.com>
---
drivers/gpu/drm/i915/intel_display.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 1464e47..7e1469a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3431,8 +3431,13 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
intel_crtc_update_cursor(crtc, true);
- for_each_encoder_on_crtc(dev, crtc, encoder)
+ for_each_encoder_on_crtc(dev, crtc, encoder) {
encoder->enable(encoder);
+ if (encoder->type == INTEL_OUTPUT_EDP) {
+ struct intel_dp *intel_dp =
enc_to_intel_dp(&encoder->base);
+ intel_edp_enable_psr(intel_dp);
+ }
+ }
/*
* There seems to be a race in PCH platform hw (at least on some
@@ -3459,8 +3464,14 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
if (!intel_crtc->active)
return;
- for_each_encoder_on_crtc(dev, crtc, encoder)
+ for_each_encoder_on_crtc(dev, crtc, encoder) {
+ if (encoder->type == INTEL_OUTPUT_EDP) {
+ struct intel_dp *intel_dp =
enc_to_intel_dp(&encoder->base);
+ intel_edp_disable_psr(intel_dp);
+ }
encoder->disable(encoder);
+ }
+
intel_crtc_wait_for_pending_flips(crtc);
drm_vblank_off(dev, pipe);
--
1.7.11.7
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