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authorJames Morris <james.l.morris@oracle.com>2014-09-30 18:44:04 +0400
committerJames Morris <james.l.morris@oracle.com>2014-09-30 18:44:04 +0400
commit6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1 (patch)
tree2ab49b7d19fb69cdae5b6be9e7ba44f6cf3d45ef /drivers/gpu/drm/i915/intel_lvds.c
parent35e1efd25a9e7d5cf2884fa23441ab87353849bb (diff)
parent19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff)
downloadlinux-6c8ff877cdf13cd5287ed9d700cfb6cb70e2bfa1.tar.xz
Merge commit 'v3.16' into next
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 23126023aeba..5e5a72fca5fb 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -111,6 +111,13 @@ static void intel_lvds_get_config(struct intel_encoder *encoder,
pipe_config->adjusted_mode.flags |= flags;
+ /* gen2/3 store dither state in pfit control, needs to match */
+ if (INTEL_INFO(dev)->gen < 4) {
+ tmp = I915_READ(PFIT_CONTROL);
+
+ pipe_config->gmch_pfit.control |= tmp & PANEL_8TO6_DITHER_ENABLE;
+ }
+
dotclock = pipe_config->port_clock;
if (HAS_PCH_SPLIT(dev_priv->dev))