9  * Each DRM plane is a layer of pixels being scanned out by the HVS.
11  * At atomic modeset check time, we compute the HVS display element
15  * into the region of the HVS that it has allocated for us.
33 	u32 hvs; /* HVS_FORMAT_* */  member
39 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
45 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
51 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
57 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
63 		.hvs = HVS_PIXEL_FORMAT_RGB565,
68 		.hvs = HVS_PIXEL_FORMAT_RGB565,
73 		.hvs = HVS_PIXEL_FORMAT_RGBA5551,
79 		.hvs = HVS_PIXEL_FORMAT_RGBA5551,
85 		.hvs = HVS_PIXEL_FORMAT_RGB888,
90 		.hvs = HVS_PIXEL_FORMAT_RGB888,
95 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_3PLANE,
100 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_3PLANE,
105 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_3PLANE,
110 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_3PLANE,
115 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE,
120 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE,
125 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
130 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
201 		spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_destroy_state()
203 		spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_destroy_state()
483 	lbm = roundup(lbm, vc4->hvs->hvs5 ? 128 : 64);  in vc4_lbm_size()
486 	lbm /= vc4->hvs->hvs5 ? 4 : 2;  in vc4_lbm_size()
541 	/* The HVS is able to process 2 pixels/cycle when scaling the source,  in vc4_plane_calc_load()
546 	 * HVS load is expressed in clk-cycles/sec (AKA Hz).  in vc4_plane_calc_load()
597 	/* Allocate the LBM memory that the HVS will use for temporary  in vc4_plane_allocate_lbm()
603 		spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_allocate_lbm()
604 		ret = drm_mm_insert_node_generic(&vc4->hvs->lbm_mm,  in vc4_plane_allocate_lbm()
607 						 vc4->hvs->hvs5 ? 64 : 32,  in vc4_plane_allocate_lbm()
609 		spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_allocate_lbm()
641 	u32 hvs_format = format->hvs;  in vc4_plane_mode_set()
716 		 * SCALER_PITCH0_TILE_Y_OFFSET tells HVS how to walk from that  in vc4_plane_mode_set()
726 		 * SCALER_PITCH0_TILE_LINE_DIR flag to tell HVS that all lines  in vc4_plane_mode_set()
828 	if (!vc4->hvs->hvs5) {  in vc4_plane_mode_set()
873 		/* Position Word 3: Context.  Written by the HVS. */  in vc4_plane_mode_set()
939 		/* Position Word 3: Context.  Written by the HVS. */  in vc4_plane_mode_set()
952 	/* Pointer Context Word 0/1/2: Written by the HVS */  in vc4_plane_mode_set()
1008 			u32 kernel = VC4_SET_FIELD(vc4->hvs->mitchell_netravali_filter.start,  in vc4_plane_mode_set()
1191 	 * because that would smash the context data that the HVS is  in vc4_plane_atomic_async_update()
1400 	 * the HVS (16k) and how small an plane can be (28 bytes).  in vc4_plane_create_additional_planes()