On Sun, 19 Aug 2012 21:12:44 +0200 Daniel Vetter <[email protected]> wrote:
> Note that even though this connector is cloneable we still can use the > exact same test to check whether the connector is on or whether the > encoder is enabled - both the dpms code and the encoder disable/enable > frob the exact same hw state. > > For dvo/sdvo outputs, this will be different. > > Signed-Off-by: Daniel Vetter <[email protected]> > --- > drivers/gpu/drm/i915/intel_crt.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_crt.c > b/drivers/gpu/drm/i915/intel_crt.c > index 4ce0b46..fab54ed 100644 > --- a/drivers/gpu/drm/i915/intel_crt.c > +++ b/drivers/gpu/drm/i915/intel_crt.c > @@ -61,6 +61,27 @@ static struct intel_crt *intel_encoder_to_crt(struct > intel_encoder *encoder) > return container_of(encoder, struct intel_crt, base); > } > > +static bool intel_crt_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; > + struct intel_crt *crt = intel_encoder_to_crt(encoder); > + u32 tmp; > + > + tmp = I915_READ(crt->adpa_reg); > + > + if (!(tmp & ADPA_DAC_ENABLE)) > + return false; > + > + if (HAS_PCH_CPT(dev)) > + *pipe = PORT_TO_PIPE_CPT(tmp); > + else > + *pipe = PORT_TO_PIPE(tmp); > + > + return true; > +} > + > static void intel_disable_crt(struct intel_encoder *encoder) > { > struct drm_i915_private *dev_priv = encoder->base.dev->dev_private; > @@ -710,6 +731,8 @@ void intel_crt_init(struct drm_device *dev) > > crt->base.disable = intel_disable_crt; > crt->base.enable = intel_enable_crt; > + crt->base.get_hw_state = intel_crt_get_hw_state; > + intel_connector->get_hw_state = intel_connector_get_hw_state; > > drm_encoder_helper_add(&crt->base.base, &crt_encoder_funcs); > drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); Reviewed-by: Jesse Barnes <[email protected]> -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
