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drm/i915: Create intel_dp->prepare_link_retrain() hook

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In order to prepare for a link training with DDI, the state machine
would call intel_ddi_prepare_link_retrain(). To remove the dependency to
the hardware information, replace that direct call with a callback.

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Sivakumar Thulasimani <sivakumar.thulasimani@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1445594525-7174-7-git-send-email-ander.conselvan.de.oliveira@intel.com
This commit is contained in:
Ander Conselvan de Oliveira
2015-10-23 13:01:49 +03:00
parent 94223d041b
commit ad64217b03
4 changed files with 14 additions and 9 deletions
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8
drivers/gpu/drm/i915/intel_ddi.c
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@@ -2971,11 +2971,11 @@ void intel_ddi_pll_init(struct drm_device *dev)
}
}
void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder)
void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
{
struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
struct intel_dp *intel_dp = &intel_dig_port->dp;
struct drm_i915_private *dev_priv = encoder->dev->dev_private;
struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
struct drm_i915_private *dev_priv =
to_i915(intel_dig_port->base.base.dev);
enum port port = intel_dig_port->port;
uint32_t val;
bool wait = false;