From: Alex Deucher <alexdeucher@gmail.com>
Date: Fri, 22 Jan 2010 00:28:18 +0000 (-0500)
Subject: drm/radeon/kms: fix legacy get_engine/memory clock
X-Git-Tag: firefly_0821_release~9833^2~3227^2~32^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=38678d3557420a1c40f7ad5a04a46a7de7a305b9;p=firefly-linux-kernel-4.4.55.git

drm/radeon/kms: fix legacy get_engine/memory clock

Fix a bad shift in the post div.

Should fix fdo bug 26145

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c
index 812f24dbc2a8..73c4405bf42f 100644
--- a/drivers/gpu/drm/radeon/radeon_clocks.c
+++ b/drivers/gpu/drm/radeon/radeon_clocks.c
@@ -56,7 +56,7 @@ uint32_t radeon_legacy_get_engine_clock(struct radeon_device *rdev)
 	else if (post_div == 3)
 		sclk >>= 2;
 	else if (post_div == 4)
-		sclk >>= 4;
+		sclk >>= 3;
 
 	return sclk;
 }
@@ -86,7 +86,7 @@ uint32_t radeon_legacy_get_memory_clock(struct radeon_device *rdev)
 	else if (post_div == 3)
 		mclk >>= 2;
 	else if (post_div == 4)
-		mclk >>= 4;
+		mclk >>= 3;
 
 	return mclk;
 }