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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-16 23:05:10 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-21 11:19:45 +0100 |
| commit | 219adae138513bae20b256f1946b9cb3b75ca05c (patch) | |
| tree | e47ac76a0f7e426a77d475c36557c979367d3983 | |
| parent | e9e5f8e8d373e72f5c39dafde1ce110fc7082118 (diff) | |
| download | blackbird-op-linux-219adae138513bae20b256f1946b9cb3b75ca05c.tar.gz blackbird-op-linux-219adae138513bae20b256f1946b9cb3b75ca05c.zip | |
drm/i915: Cache LVDS EDID
We assume that the panel is permenantly connected and that the EDID data
is consistent from boot, so simply cache the whole EDID for the panel.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index f6a72cbb152d..5666e89288d3 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -44,7 +44,7 @@ struct intel_lvds { struct intel_encoder base; - bool edid_good; + struct edid *edid; int fitting_mode; u32 pfit_control; @@ -475,14 +475,12 @@ static int intel_lvds_get_modes(struct drm_connector *connector) { struct intel_lvds *intel_lvds = intel_attached_lvds(connector); struct drm_device *dev = connector->dev; - struct drm_i915_private *dev_priv = dev->dev_private; struct drm_display_mode *mode; - if (intel_lvds->edid_good) { - int ret = intel_ddc_get_modes(connector, - &dev_priv->gmbus[GMBUS_PORT_PANEL].adapter); - if (ret) - return ret; + if (intel_lvds->edid) { + drm_mode_connector_update_edid_property(connector, + intel_lvds->edid); + return drm_add_edid_modes(connector, intel_lvds->edid); } mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode); @@ -906,11 +904,10 @@ void intel_lvds_init(struct drm_device *dev) * Attempt to get the fixed panel mode from DDC. Assume that the * preferred mode is the right one. */ - intel_lvds->edid_good = true; - if (!intel_ddc_get_modes(connector, &dev_priv->gmbus[GMBUS_PORT_PANEL].adapter)) - intel_lvds->edid_good = false; + intel_lvds->edid = drm_get_edid(connector, + &dev_priv->gmbus[GMBUS_PORT_PANEL].adapter); - if (!intel_lvds->edid_good) { + if (!intel_lvds->edid) { /* Didn't get an EDID, so * Set wide sync ranges so we get all modes * handed to valid_mode for checking |
