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_YUV422_3PLANE,
120 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_3PLANE,
126 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_3PLANE,
132 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_3PLANE,
138 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE,
144 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV420_2PLANE,
150 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
156 		.hvs = HVS_PIXEL_FORMAT_YCBCR_YUV422_2PLANE,
162 		.hvs = HVS_PIXEL_FORMAT_YCBCR_10BIT,
168 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
174 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
180 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
186 		.hvs = HVS_PIXEL_FORMAT_RGBA1010102,
192 		.hvs = HVS_PIXEL_FORMAT_RGB332,
198 		.hvs = HVS_PIXEL_FORMAT_RGB332,
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,
240 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
246 		.hvs = HVS_PIXEL_FORMAT_RGBA4444,
282 	struct vc4_hvs *hvs = vc4->hvs;  in vc4_plane_duplicate_state()  local
297 			refcount_inc(&hvs->upm_refcounts[vc4_state->upm_handle[i]].refcount);  in vc4_plane_duplicate_state()
318 static void vc4_plane_release_upm_ida(struct vc4_hvs *hvs, unsigned int upm_handle)  in vc4_plane_release_upm_ida()  argument
320 	struct vc4_upm_refcounts *refcount = &hvs->upm_refcounts[upm_handle];  in vc4_plane_release_upm_ida()
323 	spin_lock_irqsave(&hvs->mm_lock, irqflags);  in vc4_plane_release_upm_ida()
325 	spin_unlock_irqrestore(&hvs->mm_lock, irqflags);  in vc4_plane_release_upm_ida()
330 	ida_free(&hvs->upm_handles, upm_handle);  in vc4_plane_release_upm_ida()
337 	struct vc4_hvs *hvs = vc4->hvs;  in vc4_plane_destroy_state()  local
344 		spin_lock_irqsave(&hvs->mm_lock, irqflags);  in vc4_plane_destroy_state()
346 		spin_unlock_irqrestore(&hvs->mm_lock, irqflags);  in vc4_plane_destroy_state()
355 		refcount = &hvs->upm_refcounts[vc4_state->upm_handle[i]];  in vc4_plane_destroy_state()
358 			vc4_plane_release_upm_ida(hvs, vc4_state->upm_handle[i]);  in vc4_plane_destroy_state()
882 	/* The HVS is able to process 2 pixels/cycle when scaling the source,  in vc4_plane_calc_load()
887 	 * HVS load is expressed in clk-cycles/sec (AKA Hz).  in vc4_plane_calc_load()
953 	/* Allocate the LBM memory that the HVS will use for temporary  in vc4_plane_allocate_lbm()
959 		spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_allocate_lbm()
960 		ret = drm_mm_insert_node_generic(&vc4->hvs->lbm_mm,  in vc4_plane_allocate_lbm()
964 		spin_unlock_irqrestore(&vc4->hvs->mm_lock, irqflags);  in vc4_plane_allocate_lbm()
984 	struct vc4_hvs *hvs = vc4->hvs;  in vc6_plane_allocate_upm()  local
1005 		    hvs->upm_refcounts[upm_handle].size == upm_size) {  in vc6_plane_allocate_upm()
1012 			    refcount_dec_and_test(&hvs->upm_refcounts[upm_handle].refcount)) {  in vc6_plane_allocate_upm()
1013 				vc4_plane_release_upm_ida(hvs, upm_handle);  in vc6_plane_allocate_upm()
1017 			upm_handle = ida_alloc_range(&hvs->upm_handles, 1,  in vc6_plane_allocate_upm()
1026 			refcount = &hvs->upm_refcounts[upm_handle];  in vc6_plane_allocate_upm()
1030 			spin_lock_irqsave(&hvs->mm_lock, irqflags);  in vc6_plane_allocate_upm()
1031 			ret = drm_mm_insert_node_generic(&hvs->upm_mm,  in vc6_plane_allocate_upm()
1035 			spin_unlock_irqrestore(&hvs->mm_lock, irqflags);  in vc6_plane_allocate_upm()
1039 				ida_free(&hvs->upm_handles, upm_handle);  in vc6_plane_allocate_upm()
1045 		refcount = &hvs->upm_refcounts[upm_handle];  in vc6_plane_allocate_upm()
1063 	struct vc4_hvs *hvs = vc4->hvs;  in vc6_plane_free_upm()  local
1075 		if (refcount_dec_and_test(&hvs->upm_refcounts[upm_handle].refcount))  in vc6_plane_free_upm()
1076 			vc4_plane_release_upm_ida(hvs, upm_handle);  in vc6_plane_free_upm()
1224 	u32 hvs_format = format->hvs;  in vc4_plane_mode_set()
1307 		 * SCALER_PITCH0_TILE_Y_OFFSET tells HVS how to walk from that  in vc4_plane_mode_set()
1317 		 * SCALER_PITCH0_TILE_LINE_DIR flag to tell HVS that all lines  in vc4_plane_mode_set()
1521 		/* Position Word 3: Context.  Written by the HVS. */  in vc4_plane_mode_set()
1575 		/* Position Word 3: Context.  Written by the HVS. */  in vc4_plane_mode_set()
1592 	/* Pointer Context Word 0/1/2: Written by the HVS */  in vc4_plane_mode_set()
1660 			u32 kernel = VC4_SET_FIELD(vc4->hvs->mitchell_netravali_filter.start,  in vc4_plane_mode_set()
1754 	u32 hvs_format = format->hvs;  in vc6_plane_mode_set()
2073 				VC4_SET_FIELD(vc4->hvs->mitchell_netravali_filter.start,  in vc6_plane_mode_set()
2327 	 * because that would smash the context data that the HVS is  in vc4_plane_atomic_async_update()
2583 	 * the HVS (16k) and how small an plane can be (28 bytes).  in vc4_plane_create_additional_planes()