drm/i915/dp: Preparation for DP phy compliance auto test (88afbfdb) · Commits · 戴 / test

drivers/gpu/drm/i915/display/intel_display_types.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -1238,6 +1238,7 @@ struct intel_dp_compliance_data {
		u8 video_pattern;
		u16 hdisplay, vdisplay;
		u8 bpc;
		struct drm_dp_phy_test_params phytest;
		};

		struct intel_dp_compliance {

+24 −0

Original line number	Diff line number	Diff line
		@@ -5001,9 +5001,33 @@ static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp)
		return test_result;
		}

		static u8 intel_dp_prepare_phytest(struct intel_dp *intel_dp)
		{
		struct drm_dp_phy_test_params *data =
		&intel_dp->compliance.test_data.phytest;

		if (drm_dp_get_phy_test_pattern(&intel_dp->aux, data)) {
		DRM_DEBUG_KMS("DP Phy Test pattern AUX read failure\n");
		return DP_TEST_NAK;
		}

		/*
		* link_mst is set to false to avoid executing mst related code
		* during compliance testing.
		*/
		intel_dp->link_mst = false;

		return DP_TEST_ACK;
		}

		static u8 intel_dp_autotest_phy_pattern(struct intel_dp *intel_dp)
		{
		u8 test_result = DP_TEST_NAK;

		test_result = intel_dp_prepare_phytest(intel_dp);
		if (test_result != DP_TEST_ACK)
		DRM_ERROR("Phy test preparation failed\n");

		return test_result;
		}