[Intel-gfx] [PATCH 1/4] drm/i915: PSR Fix standby logic for PSR on non DDI-A for certain platforms.

Rodrigo Vivi rodrigo.vivi at intel.com
Fri Dec 11 08:39:52 PST 2015


Current platforms that support PSR on other port than A only support link
standby mode.

The logic here was wrong since 'commit 89251b177b ("drm/i915: PSR:
deprecate link_standby support for core platforms.")

Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/intel_psr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 9ccff30..4a9c062 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -327,9 +327,9 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp)
 		return false;
 	}
 
-	if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) &&
-	    ((dev_priv->vbt.psr.full_link) || (dig_port->port != PORT_A))) {
-		DRM_DEBUG_KMS("PSR condition failed: Link Standby requested/needed but not supported on this platform\n");
+	if (HAS_DDI(dev) && !dev_priv->vbt.psr.full_link &&
+	    dig_port->port != PORT_A) {
+		DRM_DEBUG_KMS("PSR condition failed: Link Off requested/needed but not supported on this port\n");
 		return false;
 	}
 
-- 
2.4.3



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