drm/amd/display: Allow multiple instance of DTO regs

Signed-off-by: NTony Cheng <tony.cheng@amd.com>
Reviewed-by: NJordan Lazare <Jordan.Lazare@amd.com>
Acked-by: NHarry Wentland <Harry.Wentland@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.h

@@ -76,9 +76,13 @@ struct dce110_clk_src_regs {
 	uint32_t RESYNC_CNTL;
 	uint32_t PIXCLK_RESYNC_CNTL;
 	uint32_t PLL_CNTL;
-	uint32_t PHASE;
-	uint32_t MODULO;
-	uint32_t PIXEL_RATE_CNTL;
+
+	/* below are for DTO.
+	 * todo: should probably use different struct to not waste space
+	 */
+	uint32_t PHASE[4];
+	uint32_t MODULO[4];
+	uint32_t PIXEL_RATE_CNTL[4];
 };
 
 struct dce110_clk_src {