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drm/i915/skl: Introduce intel_num_planes()

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It can be handy to get the number of planes for this pipe, ie including
the primary plane to loop over them. Introduce a little function to do
so.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-03-28 00:18:33 +05:30 committed by Daniel Vetter
parent 84139d1e39
commit 6af31a653d
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/intel_drv.h
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@ -731,6 +731,14 @@ hdmi_to_dig_port(struct intel_hdmi *intel_hdmi)
return container_of(intel_hdmi, struct intel_digital_port, hdmi);
}
/*
* Returns the number of planes for this pipe, ie the number of sprites + 1
* (primary plane). This doesn't count the cursor plane then.
*/
static inline unsigned int intel_num_planes(struct intel_crtc *crtc)
{
return INTEL_INFO(crtc->base.dev)->num_sprites[crtc->pipe] + 1;
}
/* i915_irq.c */
bool intel_set_cpu_fifo_underrun_reporting(struct drm_device *dev,