Commit 8261fbac authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

drm/i915: Extract intel_dbuf_bw_changed() 



Extract the struct intel_dbuf_bw comparison into a small
helper. We'll get more users later.

Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250326162544.3642-4-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 92512d48

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

+17 −6
Original line number Diff line number Diff line
@@ -1150,6 +1150,21 @@ static int intel_bw_check_qgv_points(struct intel_display *display, 
					   old_bw_state, new_bw_state);

}



static bool intel_dbuf_bw_changed(struct intel_display *display,

				  const struct intel_dbuf_bw *old_dbuf_bw,

				  const struct intel_dbuf_bw *new_dbuf_bw)

{

	enum dbuf_slice slice;



	for_each_dbuf_slice(display, slice) {

		if (old_dbuf_bw->max_bw[slice] != new_dbuf_bw->max_bw[slice] ||

		    old_dbuf_bw->active_planes[slice] != new_dbuf_bw->active_planes[slice])

			return true;

	}



	return false;

}



static bool intel_bw_state_changed(struct intel_display *display,

				   const struct intel_bw_state *old_bw_state,

				   const struct intel_bw_state *new_bw_state)
@@ -1161,13 +1176,9 @@ static bool intel_bw_state_changed(struct intel_display *display, 
			&old_bw_state->dbuf_bw[pipe];

		const struct intel_dbuf_bw *new_dbuf_bw =

			&new_bw_state->dbuf_bw[pipe];

		enum dbuf_slice slice;



		for_each_dbuf_slice(display, slice) {

			if (old_dbuf_bw->max_bw[slice] != new_dbuf_bw->max_bw[slice] ||

			    old_dbuf_bw->active_planes[slice] != new_dbuf_bw->active_planes[slice])

		if (intel_dbuf_bw_changed(display, old_dbuf_bw, new_dbuf_bw))

			return true;

		}



		if (intel_bw_crtc_min_cdclk(display, old_bw_state->data_rate[pipe]) !=

		    intel_bw_crtc_min_cdclk(display, new_bw_state->data_rate[pipe]))