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authorAlex Deucher <alexdeucher@gmail.com>2010-07-21 19:37:21 -0400
committerDave Airlie <airlied@redhat.com>2010-07-22 10:01:40 +1000
commit15cb02c0a0338ee724bf23e31c7c410ecbffeeba (patch)
treefe230291abe7478cf59237016167a2cf922a93c3
parent29508eb66bfacdef324d2199eeaea31e0cdfaa29 (diff)
drm/radeon/kms: fix legacy LVDS dpms sequence
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> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_encoders.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index bad77f40a9d..5688a0cf6bb 100644
--- 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(struct drm_encoder *encoder, int mode)
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;
}