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Commit ccc24b39 authored by Mahesh Kumar's avatar Mahesh Kumar Committed by Paulo Zanoni
Browse files

drm/i915: Add intel_atomic_get_existing_crtc_state function 



This patch Adds a function to extract intel_crtc_state from the
atomic_state, if not available it returns NULL.

v2 (from Paulo):
 - Fix white space problem detected by checkpatch.

Signed-off-by: default avatarMahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: default avatarPaulo Zanoni <paulo.r.zanoni@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161201154940.24446-7-mahesh1.kumar@intel.com
parent b95320bd

drivers/gpu/drm/i915/intel_drv.h

+14 −0
Original line number Diff line number Diff line
@@ -1809,6 +1809,20 @@ intel_atomic_get_crtc_state(struct drm_atomic_state *state, 
	return to_intel_crtc_state(crtc_state);

}



static inline struct intel_crtc_state *

intel_atomic_get_existing_crtc_state(struct drm_atomic_state *state,

				     struct intel_crtc *crtc)

{

	struct drm_crtc_state *crtc_state;



	crtc_state = drm_atomic_get_existing_crtc_state(state, &crtc->base);



	if (crtc_state)

		return to_intel_crtc_state(crtc_state);

	else

		return NULL;

}



static inline struct intel_plane_state *

intel_atomic_get_existing_plane_state(struct drm_atomic_state *state,

				      struct intel_plane *plane)