diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-11-09 02:20:52 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-11-09 03:59:32 +0300 |
| commit | 3f8ff0e72d75fdbe7f2cba2c4015fd9fdd9e13fd (patch) | |
| tree | 8ff3d7b542e72604eabe107ea90d96afb22dd3e2 /drivers/gpu/drm/i915/intel_lvds.c | |
| parent | 08deebf98783d3de553eed2c9b6b8dcc7e168567 (diff) | |
| download | linux-3f8ff0e72d75fdbe7f2cba2c4015fd9fdd9e13fd.tar.xz | |
drm/i915: Fix LVDS fixed-mode regression from 219adae1
Commit 219adae1 cached the EDID found during LVDS init, but in the
process prevented the init routine from discovering the preferred
fixed-mode for the panel. This was causing us to guess the correct mode,
which sometimes is wide of the mark.
Reported-and-tested-by: Jon Masters <jonathan@jonmasters.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index f1a649990ea9..4324a326f98e 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -481,11 +481,8 @@ static int intel_lvds_get_modes(struct drm_connector *connector) struct drm_device *dev = connector->dev; struct drm_display_mode *mode; - if (intel_lvds->edid) { - drm_mode_connector_update_edid_property(connector, - intel_lvds->edid); + if (intel_lvds->edid) return drm_add_edid_modes(connector, intel_lvds->edid); - } mode = drm_mode_duplicate(dev, intel_lvds->fixed_mode); if (mode == 0) @@ -939,7 +936,16 @@ void intel_lvds_init(struct drm_device *dev) */ intel_lvds->edid = drm_get_edid(connector, &dev_priv->gmbus[pin].adapter); - + if (intel_lvds->edid) { + if (drm_add_edid_modes(connector, + intel_lvds->edid)) { + drm_mode_connector_update_edid_property(connector, + intel_lvds->edid); + } else { + kfree(intel_lvds->edid); + intel_lvds->edid = NULL; + } + } if (!intel_lvds->edid) { /* Didn't get an EDID, so * Set wide sync ranges so we get all modes |