[Bug 65995] [HSW mobile Acer notebook] eDP can't light up in boot to text mode

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65995

--- Comment #25 from Paulo Zanoni <przanoni at gmail.com> ---
What happens if you try this patch?

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8c70a83..df49828 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -795,11 +795,6 @@ intel_dp_compute_config(struct intel_encoder *encoder,
        /* Walk through all bpp values. Luckily they're all nicely spaced with
2
         * bpc in between. */
        bpp = pipe_config->pipe_bpp;
-       if (is_edp(intel_dp) && dev_priv->vbt.edp_bpp) {
-               DRM_DEBUG_KMS("clamping bpp for eDP panel to BIOS-provided
%i\n",
-                             dev_priv->vbt.edp_bpp);
-               bpp = min_t(int, bpp, dev_priv->vbt.edp_bpp);
-       }

        for (; bpp >= 6*3; bpp -= 2*3) {
                mode_rate = intel_dp_link_required(adjusted_mode->clock, bpp);

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