Revert "drm/vc4: hvs: Partial revert of Support BCM2712 HVS"

This reverts commit 4636f17.

Author: popcornmix

drivers/gpu/drm/vc4/vc4_hvs.c

@@ -1813,15 +1813,9 @@ struct vc4_hvs *__vc4_hvs_alloc(struct vc4_dev *vc4,
 		return ERR_PTR(-ENODEV);
 	}
 
-	/* Set up the HVS display list memory manager.  We never
-	 * overwrite the setup from the bootloader (just 128b out of
-	 * our 16K), since we don't want to scramble the screen when
-	 * transitioning from the firmware's boot setup to runtime.
-	 */
-	hvs->dlist_mem_size = (SCALER_DLIST_SIZE >> 2) - HVS_BOOTLOADER_DLIST_END;
-	drm_mm_init(&hvs->dlist_mm,
-		    HVS_BOOTLOADER_DLIST_END,
-		    hvs->dlist_mem_size);
+	drm_mm_init(&hvs->dlist_mm, dlist_start, dlist_size);
+
+	hvs->dlist_mem_size = dlist_size;
 
 	/* Set up the HVS LBM memory manager.  We could have some more
 	 * complicated data structure that allowed reuse of LBM areas