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From: Anshuman Gupta <anshuman.gupta@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Cc: jani.nikula@intel.com, seanpaul@chromium.org
Subject: [Intel-gfx] [PATCH v9 03/19] drm/i915/hotplug: Handle CP_IRQ for DP-MST
Date: Mon, 11 Jan 2021 13:41:04 +0530	[thread overview]
Message-ID: <20210111081120.28417-4-anshuman.gupta@intel.com> (raw)
In-Reply-To: <20210111081120.28417-1-anshuman.gupta@intel.com>

Handle CP_IRQ in DEVICE_SERVICE_IRQ_VECTOR_ESI0
It requires to call intel_hdcp_handle_cp_irq() in case
of CP_IRQ is triggered by a sink in DP-MST topology.

Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Tested-by: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index b2bc0c8c39c7..501b9a8a2f45 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5783,6 +5783,17 @@ static void intel_dp_handle_test_request(struct intel_dp *intel_dp)
 			    "Could not write test response to sink\n");
 }
 
+static void
+intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, bool *handled)
+{
+		drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, handled);
+
+		if (esi[1] & DP_CP_IRQ) {
+			intel_hdcp_handle_cp_irq(intel_dp->attached_connector);
+			*handled = true;
+		}
+}
+
 /**
  * intel_dp_check_mst_status - service any pending MST interrupts, check link status
  * @intel_dp: Intel DP struct
@@ -5827,7 +5838,8 @@ intel_dp_check_mst_status(struct intel_dp *intel_dp)
 
 		drm_dbg_kms(&i915->drm, "got esi %3ph\n", esi);
 
-		drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled);
+		intel_dp_mst_hpd_irq(intel_dp, esi, &handled);
+
 		if (!handled)
 			break;
 
-- 
2.26.2

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  parent reply	other threads:[~2021-01-11  8:26 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-11  8:11 [Intel-gfx] [PATCH v9 00/19] HDCP 2.2 and HDCP 1.4 Gen12 DP MST support Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 01/19] drm/i915/hdcp: Update CP property in update_pipe Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 02/19] drm/i915/hdcp: Get conn while content_type changed Anshuman Gupta
2021-01-11  8:11 ` Anshuman Gupta [this message]
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 04/19] drm/i915/hdcp: No HDCP when encoder is't initialized Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 05/19] drm/i915/hdcp: DP MST transcoder for link and stream Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 06/19] drm/i915/hdcp: Move HDCP enc status timeout to header Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 07/19] drm/i915/hdcp: HDCP stream encryption support Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 08/19] drm/i915/hdcp: Configure HDCP1.4 MST steram encryption status Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 09/19] drm/i915/hdcp: Enable Gen12 HDCP 1.4 DP MST support Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 10/19] drm/i915/hdcp: Pass dig_port to intel_hdcp_init Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 11/19] drm/i915/hdcp: Encapsulate hdcp_port_data to dig_port Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 12/19] misc/mei/hdcp: Fix AUTH_STREAM_REQ cmd buffer len Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 13/19] drm/hdcp: Max MST content streams Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 14/19] drm/i915/hdcp: MST streams support in hdcp port_data Anshuman Gupta
2021-01-12  5:26   ` Li, Juston
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 15/19] drm/i915/hdcp: Pass connector to check_2_2_link Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 16/19] drm/i915/hdcp: Add HDCP 2.2 stream register Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 17/19] drm/i915/hdcp: Support for HDCP 2.2 MST shim callbacks Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 18/19] drm/i915/hdcp: Configure HDCP2.2 MST steram encryption status Anshuman Gupta
2021-01-11  8:11 ` [Intel-gfx] [PATCH v9 19/19] drm/i915/hdcp: Enable HDCP 2.2 MST support Anshuman Gupta
2021-01-11  8:37 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for HDCP 2.2 and HDCP 1.4 Gen12 DP MST support (rev9) Patchwork
2021-01-13  3:40   ` Gupta, Anshuman

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