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[3/5] drm/i915: Fixes to support DP Compliance EDID tests

Message ID 1481250200-30621-4-git-send-email-manasi.d.navare@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Navare, Manasi Dec. 9, 2016, 2:23 a.m. UTC 
This patch addresses a few issues from the original patch for
DP Compliance EDID test support submitted by
Todd Previte<todd.previte@gmail.com>

Video Mode requested in the EDID test handler for the EDID Read
test (CTS 4.2.2.3) should be set to PREFERRED as per the CTS spec.

Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index bbf8cdc..fb6f9e5 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3864,7 +3864,7 @@  static uint8_t intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)
 
 static uint8_t intel_dp_autotest_edid(struct intel_dp *intel_dp)
 {
-	uint8_t test_result = DP_TEST_NAK;
+	uint8_t test_result = DP_TEST_ACK;
 	struct intel_connector *intel_connector = intel_dp->attached_connector;
 	struct drm_connector *connector = &intel_connector->base;
 
@@ -3899,7 +3899,7 @@  static uint8_t intel_dp_autotest_edid(struct intel_dp *intel_dp)
 			DRM_DEBUG_KMS("Failed to write EDID checksum\n");
 
 		test_result = DP_TEST_ACK | DP_TEST_EDID_CHECKSUM_WRITE;
-		intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_STANDARD;
+		intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_PREFERRED;
 	}
 
 	/* Set test active flag here so userspace doesn't interrupt things */