linux-kernel - [079/115] drm/radeon/kms: add pll debugging output

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Message-Id: <20110216014702.158688059@clark.kroah.org>
Date:	Tue, 15 Feb 2011 17:45:45 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Alex Deucher <alexdeucher@...il.com>,
	Dave Airlie <airlied@...hat.com>
Subject: [079/115] drm/radeon/kms: add pll debugging output

2.6.32-longterm review patch.  If anyone has any objections, please let us know.

------------------

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

commit 51d4bf840a27fe02c883ddc6d9708af056773769 upstream.

Signed-off-by: Alex Deucher <alexdeucher@...il.com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/gpu/drm/radeon/radeon_display.c |    4 ++++
 1 file changed, 4 insertions(+)

--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -540,6 +540,10 @@ void radeon_compute_pll(struct radeon_pl
 	*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 void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)


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