[Intel-gfx] [PATCH 09/11] drm/i915: PSR Baytrail: Disable it on Pipe B

[Rodrigo Vivi]

Baytrail supports per-pipe PSR configuration, however PSR on
PIPE_B isn't working properly. So let's keep it disabled for now.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index aabab25..3adc127 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1852,6 +1852,13 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
 		return false;
 	}
 
+	/* Baytrail supports per-pipe PSR configuration, however PSR on
+	* PIPE_B isn't working properly. So let's keep it disabled for now. */
+	if (IS_VALLEYVIEW(dev) && intel_crtc->pipe != PIPE_A) {
+		DRM_DEBUG_KMS("PSR on BYT isn't enabled on pipe B.\n");
+		return false;
+	}
+
 	dev_priv->psr.source_ok = true;
 	return true;
 }
-- 
1.8.3.1