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drm/i915/psr: CAN_PSR() macro to check for PSR source and sink support.

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The global variable dev_priv->psr.sink_support is set if an eDP sink
supports PSR. Use this instead of redoing the check with is_edp_psr().
Combine source and sink support checks into a macro that can be used to
return early from psr_{invalidate, single_frame_update, flush}.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180103213824.1405-2-dhinakaran.pandiyan@intel.com
This commit is contained in:
Dhinakaran Pandiyan
2018-01-03 13:38:23 -08:00
committed by Rodrigo Vivi
parent 457f1e5f47
commit 4371d89601
2 changed files with 5 additions and 15 deletions
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1
drivers/gpu/drm/i915/intel_drv.h
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@@ -1760,6 +1760,7 @@ static inline void intel_backlight_device_unregister(struct intel_connector *con
/* intel_psr.c */
#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
void intel_psr_enable(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
void intel_psr_disable(struct intel_dp *intel_dp,