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path: root/drivers/gpu/drm/i915/intel_lvds.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index a0745d1..2110df2 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -109,6 +109,13 @@ static void intel_lvds_get_config(struct intel_encoder *encoder,
flags |= DRM_MODE_FLAG_PVSYNC;
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;
+ }
}
/* The LVDS pin pair needs to be on before the DPLLs are enabled.
@@ -297,14 +304,11 @@ static bool intel_lvds_compute_config(struct intel_encoder *intel_encoder,
intel_pch_panel_fitting(intel_crtc, pipe_config,
intel_connector->panel.fitting_mode);
- return true;
} else {
intel_gmch_panel_fitting(intel_crtc, pipe_config,
intel_connector->panel.fitting_mode);
- }
- drm_mode_set_crtcinfo(adjusted_mode, 0);
- pipe_config->timings_set = true;
+ }
/*
* XXX: It would be nice to support lower refresh rates on the
@@ -339,6 +343,9 @@ intel_lvds_detect(struct drm_connector *connector, bool force)
struct drm_device *dev = connector->dev;
enum drm_connector_status status;
+ DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
+ connector->base.id, drm_get_connector_name(connector));
+
status = intel_panel_detect(dev);
if (status != connector_status_unknown)
return status;