diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-07-02 21:09:00 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-09-06 07:58:33 +0200 |
| commit | b1dc332c4d1524fe5d901ca91aa4c4e776526b4f (patch) | |
| tree | 1024332740b7c875508c99819a1257634abd2ee3 /drivers/gpu/drm/i915/intel_lvds.c | |
| parent | 9a8ee983e0b77a8b07d3f20a7627202e5f9a7ba5 (diff) | |
drm/i915/lvds: implement get_hw_state
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 5fc7abca28e..52f9e7f3740 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -65,6 +65,32 @@ static struct intel_lvds *intel_attached_lvds(struct drm_connector *connector) struct intel_lvds, base); } +static bool intel_lvds_get_hw_state(struct intel_encoder *encoder, + enum pipe *pipe) +{ + struct drm_device *dev = encoder->base.dev; + struct drm_i915_private *dev_priv = dev->dev_private; + u32 lvds_reg, tmp; + + if (HAS_PCH_SPLIT(dev)) { + lvds_reg = PCH_LVDS; + } else { + lvds_reg = LVDS; + } + + tmp = I915_READ(lvds_reg); + + if (!(tmp & LVDS_PORT_EN)) + return false; + + if (HAS_PCH_CPT(dev)) + *pipe = PORT_TO_PIPE_CPT(tmp); + else + *pipe = PORT_TO_PIPE(tmp); + + return true; +} + /** * Sets the power state for the panel. */ @@ -937,6 +963,8 @@ bool intel_lvds_init(struct drm_device *dev) intel_encoder->enable = intel_enable_lvds; intel_encoder->disable = intel_disable_lvds; + intel_encoder->get_hw_state = intel_lvds_get_hw_state; + intel_connector->get_hw_state = intel_connector_get_hw_state; intel_connector_attach_encoder(intel_connector, intel_encoder); intel_encoder->type = INTEL_OUTPUT_LVDS; |