[068/205] drm/radeon/kms: fix legacy LVDS dpms sequence

From: Greg KH
Date: Fri Jul 30 2010 - 14:24:16 EST


2.6.34-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.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=16389

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
@@ -108,6 +108,7 @@ static void radeon_legacy_lvds_dpms(stru
udelay(panel_pwr_delay * 1000);
WREG32(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl);
WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
+ udelay(panel_pwr_delay * 1000);
break;
}



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