[OEM-5.6][PATCH 06/37] drm/i915: HDCP support on above PORT_E

Timo Aaltonen tjaalton at ubuntu.com
Tue Mar 24 14:32:35 UTC 2020


From: Anshuman Gupta <anshuman.gupta at intel.com>

BugLink: https://bugs.launchpad.net/bugs/1868727

As Gen12 onwards there are HDCP instances for each transcoder
instead of port, remove the (port < PORT_E) hdcp support
limitation for platform >= Gen12.

v2:
 - Nuke the comment and cosmetic changes. [Jani]

Cc: Jani Nikula <jani.nikula at intel.com>
Cc: Ramalingam C <ramalingam.c at intel.com>
Reviewed-by: Ramalingam C <ramalingam.c at intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta at intel.com>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200207144116.20172-1-anshuman.gupta@intel.com
(cherry picked from drm-intel-next commit 3d9c13a6a722fe780a657bd01e480e611c113b4e)
Signed-off-by: Timo Aaltonen <timo.aaltonen at canonical.com>
---
 drivers/gpu/drm/i915/display/intel_hdcp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index 0fdbd39f6641..867c8b85dc61 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -921,8 +921,8 @@ static void intel_hdcp_prop_work(struct work_struct *work)
 
 bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port)
 {
-	/* PORT E doesn't have HDCP, and PORT F is disabled */
-	return INTEL_INFO(dev_priv)->display.has_hdcp && port < PORT_E;
+	return INTEL_INFO(dev_priv)->display.has_hdcp &&
+			(INTEL_GEN(dev_priv) >= 12 || port < PORT_E);
 }
 
 static int
-- 
2.25.1




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