Commit b8459c3b authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Introduce intel_crtc_enable_changed() and intel_any_crtc_enable_changed() 



Introduce helpers that determine whether any crtc is changing
its enabled state. Will be useful for cdclk stuff.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250923171943.7319-2-ville.syrjala@linux.intel.com


Reviewed-by: default avatarMika Kahola <mika.kahola@intel.com>
parent 324ccdb5

drivers/gpu/drm/i915/display/intel_crtc.c

+21 −0
Original line number Diff line number Diff line
@@ -753,3 +753,24 @@ void intel_pipe_update_end(struct intel_atomic_state *state, 
out:

	intel_psr_unlock(new_crtc_state);

}



bool intel_crtc_enable_changed(const struct intel_crtc_state *old_crtc_state,

			       const struct intel_crtc_state *new_crtc_state)

{

	return old_crtc_state->hw.enable != new_crtc_state->hw.enable;

}



bool intel_any_crtc_enable_changed(struct intel_atomic_state *state)

{

	const struct intel_crtc_state *old_crtc_state, *new_crtc_state;

	struct intel_crtc *crtc;

	int i;



	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,

					    new_crtc_state, i) {

		if (intel_crtc_enable_changed(old_crtc_state, new_crtc_state))

			return true;

	}



	return false;

}

drivers/gpu/drm/i915/display/intel_crtc.h

+4 −0
Original line number Diff line number Diff line
@@ -58,4 +58,8 @@ void intel_wait_for_vblank_if_active(struct intel_display *display, 
				     enum pipe pipe);

void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc);



bool intel_any_crtc_enable_changed(struct intel_atomic_state *state);

bool intel_crtc_enable_changed(const struct intel_crtc_state *old_crtc_state,

			       const struct intel_crtc_state *new_crtc_state);



#endif