diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-07-21 02:44:45 +0400 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-18 18:46:19 +0400 |
| commit | f899fc64cda8569d0529452aafc0da31c042df2e (patch) | |
| tree | 61b6d32abe3524b83abc9d8b9382e3f82225cd64 /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 373a3cf744c774478f44921c50011b896ab08f9d (diff) | |
| download | linux-f899fc64cda8569d0529452aafc0da31c042df2e.tar.xz | |
drm/i915: use GMBUS to manage i2c links
Use the GMBUS interface rather than direct bit banging to grab the EDID
over DDC (and for other forms of auxiliary communication with external
display controllers). The hope is that this method will be much faster
and more reliable than bit banging for fetching EDIDs from buggy monitors
or through switches, though we still preserve the bit banging as a
fallback in case GMBUS fails.
Based on an original patch by Jesse Barnes.
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 208a4ec3e432..9a87ec5175e6 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1490,7 +1490,7 @@ static int intel_dp_get_modes(struct drm_connector *connector) /* We should parse the EDID data and find out if it has an audio sink */ - ret = intel_ddc_get_modes(connector, intel_dp->base.ddc_bus); + ret = intel_ddc_get_modes(connector, &intel_dp->adapter); if (ret) { if ((IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) && !dev_priv->panel_fixed_mode) { @@ -1705,7 +1705,6 @@ intel_dp_init(struct drm_device *dev, int output_reg) intel_dp_i2c_init(intel_dp, intel_connector, name); - intel_encoder->ddc_bus = &intel_dp->adapter; intel_encoder->hot_plug = intel_dp_hot_plug; if (output_reg == DP_A || IS_PCH_eDP(intel_dp)) { |