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.
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 19cd4d7..ca3ef3e 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -495,6 +495,15 @@ void intel_psr_enable(struct intel_dp *intel_dp)
return;
}
+ /*
+ * 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;
+ }
+
mutex_lock(&dev_priv->psr.lock);
if (dev_priv->psr.enabled) {
DRM_DEBUG_KMS("PSR already in use\n");
--
1.9.1
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