disp: msm: sde: add MDSS_HW block range for debugfs register access

Register the MDSS_HW block (at base offset 0) for access via the
sde_reg node in SDE's debugfs directory. This is needed for
validating correct UBWC register programming.

Change-Id: I2494e066a7603747f2ec12546e58a17f2120a521
Signed-off-by: Steve Cohen <cohens@codeaurora.org>

msm/sde/sde_hw_top.c

@@ -615,6 +615,9 @@ struct sde_hw_mdp *sde_hw_mdptop_init(enum sde_mdp idx,
 		goto blk_init_error;
 	}
 
+	sde_dbg_reg_register_dump_range(SDE_DBG_NAME, "mdss_hw", 0,
+			m->mdss_hw_block_size, 0);
+
 	sde_dbg_reg_register_dump_range(SDE_DBG_NAME, cfg->name,
 			mdp->hw.blk_off, mdp->hw.blk_off + mdp->hw.length,
 			mdp->hw.xin_id);