[038/165] drm/radeon/kms: fix legacy LVDS dpms sequence

From: Greg KH
Date: Fri Jul 30 2010 - 15:12:27 EST

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


From: Alex Deucher <alexdeucher@xxxxxxxxx>

commit 15cb02c0a0338ee724bf23e31c7c410ecbffeeba upstream.

Add delay after turning off the LVDS encoder.


Tested-by: Jan Kreuzer <kontrollator@xxxxxx>
Signed-off-by: Alex Deucher <alexdeucher@xxxxxxxxx>
Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

drivers/gpu/drm/radeon/radeon_legacy_encoders.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -89,6 +89,7 @@ static void radeon_legacy_lvds_dpms(stru
udelay(panel_pwr_delay * 1000);
WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
+ udelay(panel_pwr_delay * 1000);

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