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Commit dc22ee6f authored by Adam Jackson's avatar Adam Jackson Committed by Keith Packard
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drm/i915/dp: Remove eDP special cases from bandwidth checks 



These were just working around the math being wrong.

Signed-off-by: default avatarAdam Jackson <ajax@redhat.com>
Signed-off-by: default avatarKeith Packard <keithp@keithp.com>
parent cd9dde44

drivers/gpu/drm/i915/intel_dp.c

+2 −18
Original line number Diff line number Diff line
@@ -236,11 +236,8 @@ intel_dp_mode_valid(struct drm_connector *connector, 
			return MODE_PANEL;

	}



	/* only refuse the mode on non eDP since we have seen some weird eDP panels

	   which are outside spec tolerances but somehow work by magic */

	if (!is_edp(intel_dp) &&

	    (intel_dp_link_required(intel_dp, mode->clock)

	     > intel_dp_max_data_rate(max_link_clock, max_lanes)))

	if (intel_dp_link_required(intel_dp, mode->clock)

	    > intel_dp_max_data_rate(max_link_clock, max_lanes))

		return MODE_CLOCK_HIGH;



	if (mode->clock < 10000)
@@ -700,19 +697,6 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, 
		}

	}



	if (is_edp(intel_dp)) {

		/* okay we failed just pick the highest */

		intel_dp->lane_count = max_lane_count;

		intel_dp->link_bw = bws[max_clock];

		adjusted_mode->clock = intel_dp_link_clock(intel_dp->link_bw);

		DRM_DEBUG_KMS("Force picking display port link bw %02x lane "

			      "count %d clock %d\n",

			      intel_dp->link_bw, intel_dp->lane_count,

			      adjusted_mode->clock);



		return true;

	}



	return false;

}