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[4/7] drm/i915/dp: Read more DPCD registers on connection probe

Message ID 1310506685-855-5-git-send-email-ajax@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Adam Jackson July 12, 2011, 9:38 p.m. UTC 
For parity with radeon and nouveau, and also because I suspect we're
going to need it to get format-conversion dongles right.

Signed-off-by: Adam Jackson <ajax@redhat.com>
---
 drivers/gpu/drm/i915/intel_dp.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 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 0be85a0..2f0566b 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -52,7 +52,7 @@  struct intel_dp {
 	uint32_t color_range;
 	uint8_t link_bw;
 	uint8_t lane_count;
-	uint8_t dpcd[4];
+	uint8_t dpcd[8];
 	struct i2c_adapter adapter;
 	struct i2c_algo_dp_aux_data algo;
 	bool is_pch_edp;
@@ -1678,8 +1678,10 @@  intel_dp_detect(struct drm_connector *connector, bool force)
 	else
 		status = g4x_dp_detect(intel_dp);
 
-	DRM_DEBUG_KMS("DPCD: %hx%hx%hx%hx\n", intel_dp->dpcd[0],
-		      intel_dp->dpcd[1], intel_dp->dpcd[2], intel_dp->dpcd[3]);
+	DRM_DEBUG_KMS("DPCD: %hx%hx%hx%hx%hx%hx%hx%hx\n", intel_dp->dpcd[0],
+		      intel_dp->dpcd[1], intel_dp->dpcd[2], intel_dp->dpcd[3],
+		      intel_dp->dpcd[4], intel_dp->dpcd[5], intel_dp->dpcd[6],
+		      intel_dp->dpcd[7]);
 
 	if (status != connector_status_connected)
 		return status;