linux-kernel - [34-longterm 075/247] drm/radeon/kms: add pll debugging output

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Message-Id: <1308850515-15242-16-git-send-email-paul.gortmaker@windriver.com>
Date:	Thu, 23 Jun 2011 13:32:23 -0400
From:	Paul Gortmaker <paul.gortmaker@...driver.com>
To:	stable@...nel.org, linux-kernel@...r.kernel.org
Cc:	stable-review@...nel.org, Alex Deucher <alexdeucher@...il.com>,
	Dave Airlie <airlied@...hat.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: [34-longterm 075/247] drm/radeon/kms: add pll debugging output

From: Alex Deucher <alexdeucher@...il.com>

                   -------------------
    This is a commit scheduled for the next v2.6.34 longterm release.
    If you see a problem with using this for longterm, please comment.
                   -------------------

commit 51d4bf840a27fe02c883ddc6d9708af056773769 upstream.

Signed-off-by: Alex Deucher <alexdeucher@...il.com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 drivers/gpu/drm/radeon/radeon_display.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index c2848e0..40e11e4 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -618,6 +618,10 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll,
 	*frac_fb_div_p = best_frac_feedback_div;
 	*ref_div_p = best_ref_div;
 	*post_div_p = best_post_div;
+	DRM_DEBUG_KMS("%d %d, pll dividers - fb: %d.%d ref: %d, post %d\n",
+		      freq, best_freq / 1000, best_feedback_div, best_frac_feedback_div,
+		      best_ref_div, best_post_div);
+
 }
 
 static bool
-- 
1.7.4.4

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