drm/i915: restore debug message lost in merge resolution

Restore debug message lost in merge commit e1b73cba13. Also clarify it
that we are only clamping bpp not overwriting it.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2183b6f..d391ce3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -713,8 +713,11 @@ 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)
+       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);