i915/display/intel_bw.c

125 	unsigned int num_psf_gv_points = i915->display.bw.max[0].num_psf_gv_points;
126 	unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
398 	int num_groups = ARRAY_SIZE(dev_priv->display.bw.max);
414 		struct intel_bw_info *bi = &dev_priv->display.bw.max[i];
426 			int ct, bw;
436 			bw = DIV_ROUND_UP(sp->dclk * clpchgroup * 32 * num_channels, ct);
439 					       bw * (100 - sa->derating) / 100);
469 	int num_groups = ARRAY_SIZE(dev_priv->display.bw.max);
506 		struct intel_bw_info *bi = &dev_priv->display.bw.max[i];
514 			bi_next = &dev_priv->display.bw.max[i + 1];
528 			int ct, bw;
538 			bw = DIV_ROUND_UP(sp->dclk * clpchgroup * 32 * num_channels, ct);
541 					       bw * (100 - sa->derating) / 100);
558 				    "BW%d / PSF GV %d: num_planes=%d bw=%u\n",
579 	int num_groups = ARRAY_SIZE(i915->display.bw.max);
585 	 * plane group with constant bw information for uniformity with other
590 		struct intel_bw_info *bi = &i915->display.bw.max[i];
607 	 * Let's return max bw for 0 planes
611 	for (i = 0; i < ARRAY_SIZE(dev_priv->display.bw.max); i++) {
613 			&dev_priv->display.bw.max[i];
635 	 * Let's return max bw for 0 planes
639 	for (i = ARRAY_SIZE(dev_priv->display.bw.max) - 1; i >= 0; i--) {
641 			&dev_priv->display.bw.max[i];
661 			&dev_priv->display.bw.max[0];
676 	if (idx >= ARRAY_SIZE(i915->display.bw.max))
679 	return i915->display.bw.max[idx].deratedbw[qgv_point];
799 	bw_state = intel_atomic_get_old_global_obj_state(state, &dev_priv->display.bw.obj);
810 	bw_state = intel_atomic_get_new_global_obj_state(state, &dev_priv->display.bw.obj);
821 	bw_state = intel_atomic_get_global_obj_state(state, &dev_priv->display.bw.obj);
831 	unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
867 	unsigned int num_psf_gv_points = i915->display.bw.max[0].num_psf_gv_points;
908 	unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
919 	 * for qgv peak bw in PM Demand request. So assign UINT_MAX if SAGV is
924 		drm_dbg_kms(&i915->drm, "No SAGV, use UINT_MAX as peak bw.");
937 		if (bw_index >= ARRAY_SIZE(i915->display.bw.max))
940 		max_data_rate = i915->display.bw.max[bw_index].deratedbw[i];
947 			qgv_peak_bw = i915->display.bw.max[bw_index].peakbw[i];
950 		drm_dbg_kms(&i915->drm, "QGV point %d: max bw %d required %d qgv_peak_bw: %d\n",
954 	drm_dbg_kms(&i915->drm, "Matching peaks QGV bw: %d for required data rate: %d\n",
962 		drm_dbg_kms(&i915->drm, "No QGV points for bw %d for display configuration(%d active planes).\n",
979 	unsigned int num_psf_gv_points = i915->display.bw.max[0].num_psf_gv_points;
980 	unsigned int num_qgv_points = i915->display.bw.max[0].num_qgv_points;
996 		drm_dbg_kms(&i915->drm, "QGV point %d: max bw %d required %d\n",
1006 		drm_dbg_kms(&i915->drm, "PSF GV point %d: max bw %d"
1118 	 * equal share of the total bw to each plane.
1173 		 * equal share of the total bw to each plane.
1297 		 * Avoid locking the bw state when
1395 	intel_atomic_global_obj_init(i915, &i915->display.bw.obj,