drm/vc4/vc4_plane.c

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.
35 	u32 hvs; /* HVS_FORMAT_* */  member
42 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
48 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
54 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
60 		.hvs = HVS_PIXEL_FORMAT_RGBA8888,
66 		.hvs = HVS_PIXEL_FORMAT_RGB565,
72 		.hvs = HVS_PIXEL_FORMAT_RGB565,
78 		.hvs = HVS_PIXEL_FORMAT_RGBA5551,
84 		.hvs = HVS_PIXEL_FORMAT_RGBA5551,
90 		.hvs = HVS_PIXEL_FORMAT_RGB888,
96 		.hvs = HVS_PIXEL_FORMAT_RGB888,
102 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_3PLANE,
108 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_3PLANE,
114 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_3PLANE,
120 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_3PLANE,
126 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE,
132 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE,
138 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
144 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
150 		.hvs = HVS_PIXEL_FORMAT_YCBCR_10BIT,
156 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
162 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
168 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
174 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
180 		.hvs = HVS_PIXEL_FORMAT_RGB332,
186 		.hvs = HVS_PIXEL_FORMAT_RGB332,
192 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
198 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
204 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
210 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
216 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
222 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
228 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
234 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
306 		spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_destroy_state()
308 		spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_destroy_state()
643 	/* The HVS is able to process 2 pixels/cycle when scaling the source,  in vc4_plane_calc_load()
648 	 * HVS load is expressed in clk-cycles/sec (AKA Hz).  in vc4_plane_calc_load()
699 	/* Allocate the LBM memory that the HVS will use for temporary  in vc4_plane_allocate_lbm()
705 		spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_allocate_lbm()
706 		ret = drm_mm_insert_node_generic(&vc4->hvs->lbm_mm,  in vc4_plane_allocate_lbm()
711 		spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_allocate_lbm()
830 	u32 hvs_format = format->hvs;  in vc4_plane_mode_set()
905 		 * SCALER_PITCH0_TILE_Y_OFFSET tells HVS how to walk from that  in vc4_plane_mode_set()
915 		 * SCALER_PITCH0_TILE_LINE_DIR flag to tell HVS that all lines  in vc4_plane_mode_set()
1100 		/* Position Word 3: Context.  Written by the HVS. */  in vc4_plane_mode_set()
1156 		/* Position Word 3: Context.  Written by the HVS. */  in vc4_plane_mode_set()
1169 	/* Pointer Context Word 0/1/2: Written by the HVS */  in vc4_plane_mode_set()
1237 			u32 kernel = VC4_SET_FIELD(vc4->hvs->mitchell_netravali_filter.start,  in vc4_plane_mode_set()
1439 	 * because that would smash the context data that the HVS is  in vc4_plane_atomic_async_update()
1691 	 * the HVS (16k) and how small an plane can be (28 bytes).  in vc4_plane_create_additional_planes()