[Bug 105267] Screen flickering after getting hpd irq

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105267

--- Comment #20 from Jani Nikula <jani.nikula at intel.com> ---
Please try this patch to debug. Is the issue reproducible with this? Either
way, please attach dmesg running this, with drm.debug=14 module parameter set.

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 62f82c4298ac..78ee270fefc3 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1806,7 +1806,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
                 * configuration, and typically these values correspond to the
                 * native resolution of the panel.
                 */
-               min_lane_count = max_lane_count;
+               min_lane_count = max_lane_count = 2;
                min_clock = max_clock;
        }

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