[Intel-gfx] [PATCH] drm/i915: re-add eDP bpp clamping notice

Daniel Vetter daniel.vetter at ffwll.ch
Wed Apr 3 23:03:02 CEST 2013


This has been lost in my recent bpp handling rework in

commit 4e53c2e010e531b4a014692199e978482d471c7e
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Wed Mar 27 00:44:58 2013 +0100

    drm/i915: precompute pipe bpp before touching the hw

Cc: Paulo Zanoni <przanoni at gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/intel_dp.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index c5cfec3..58ba0a0 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -741,8 +741,11 @@ 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 = min_t(int, 8*3, pipe_config->pipe_bpp);
-	if (is_edp(intel_dp) && dev_priv->edp.bpp)
+	if (is_edp(intel_dp) && dev_priv->edp.bpp) {
+		DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n",
+			      bpp, dev_priv->edp.bpp);
 		bpp = min_t(int, bpp, dev_priv->edp.bpp);
+	}
 
 	for (; bpp >= 6*3; bpp -= 2*3) {
 		mode_rate = intel_dp_link_required(target_clock, bpp);
-- 
1.7.10.4




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