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Commit 9de88e6e authored by Adam Jackson's avatar Adam Jackson Committed by Keith Packard
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drm/i915/dp: Read more DPCD registers on connection probe 



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: default avatarAdam Jackson <ajax@redhat.com>
Reviewed-by: default avatarKeith Packard <keithp@keithp.com>
Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
parent 1b9be9d0

drivers/gpu/drm/i915/intel_dp.c

+5 −3
Original line number Diff line number Diff line
@@ -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;