[PATCH 08/10] drm/i915/psr: enable psr2 for y cordinate panels

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Psr2 is enabled only for y cordinate panels.Once GTC (global time code)
is implemented,this restriction is removed so that psr2
can work on panels without y cordinate support.

v2: (Rodrigo)
- Move the check to intel_psr_match_conditions

v3: (Rodrigo)
- add return false

Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Jim Bride <jim.bride@xxxxxxxxxxxxxxx>
Signed-off-by: Vathsala Nagaraju <vathsala.nagaraju@xxxxxxxxx>
Signed-off-by: Patil Deepti <deepti.patil@xxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_psr.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 05efd4e..fc32b04 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -433,6 +433,15 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp)
 		return false;
 	}
 
+	/*
+	 * FIXME:enable psr2 only for y-cordinate psr2 panels
+	 * After gtc implementation , remove this restriction.
+	 */
+	if (!dev_priv->psr.y_cord_support &&  dev_priv->psr.psr2_support) {
+		DRM_DEBUG_KMS("PSR2 disabled, panel does not support Y coordinate\n");
+		return false;
+	}
+
 	dev_priv->psr.source_ok = true;
 	return true;
 }
-- 
1.9.1

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