| Date | Fri, 30 Jul 2010 10:51:25 -0700 | From | Greg KH <> | Subject | [068/205] drm/radeon/kms: fix legacy LVDS dpms sequence |
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2.6.34-stable review patch. If anyone has any objections, please let us know.
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From: Alex Deucher <alexdeucher@gmail.com>
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@gmx.de> Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- 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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