drm/amd/display: add dscclk instance offset check

[why]
based on dscclk instance offset check conditiona program dscclk
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h

@@ -205,6 +205,11 @@
 	type PHYDSYMCLK_GATE_DISABLE; \
 	type PHYESYMCLK_GATE_DISABLE;
 
+#define DCCG314_REG_FIELD_LIST(type) \
+	type DSCCLK3_DTO_PHASE;\
+	type DSCCLK3_DTO_MODULO;\
+	type DSCCLK3_DTO_ENABLE;
+
 #define DCCG32_REG_FIELD_LIST(type) \
 	type DPSTREAMCLK0_EN;\
 	type DPSTREAMCLK1_EN;\
@@ -237,6 +242,7 @@ struct dccg_shift {
 	DCCG_REG_FIELD_LIST(uint8_t)
 	DCCG3_REG_FIELD_LIST(uint8_t)
 	DCCG31_REG_FIELD_LIST(uint8_t)
+	DCCG314_REG_FIELD_LIST(uint8_t)
 	DCCG32_REG_FIELD_LIST(uint8_t)
 };
 
@@ -244,6 +250,7 @@ struct dccg_mask {
 	DCCG_REG_FIELD_LIST(uint32_t)
 	DCCG3_REG_FIELD_LIST(uint32_t)
 	DCCG31_REG_FIELD_LIST(uint32_t)
+	DCCG314_REG_FIELD_LIST(uint32_t)
 	DCCG32_REG_FIELD_LIST(uint32_t)
 };
 
@@ -273,6 +280,7 @@ struct dccg_registers {
 	uint32_t DSCCLK0_DTO_PARAM;
 	uint32_t DSCCLK1_DTO_PARAM;
 	uint32_t DSCCLK2_DTO_PARAM;
+	uint32_t DSCCLK3_DTO_PARAM;
 	uint32_t DPSTREAMCLK_ROOT_GATE_DISABLE;
 	uint32_t DPSTREAMCLK_GATE_DISABLE;
 	uint32_t DCCG_GATE_DISABLE_CNTL;

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c

@@ -360,6 +360,15 @@ void dccg31_disable_dscclk(struct dccg *dccg, int inst)
 				DSCCLK2_DTO_PHASE, 0,
 				DSCCLK2_DTO_MODULO, 1);
 		break;
+	case 3:
+		if (REG(DSCCLK3_DTO_PARAM)) {
+			REG_UPDATE(DSCCLK_DTO_CTRL,
+					DSCCLK3_DTO_ENABLE, 1);
+			REG_UPDATE_2(DSCCLK3_DTO_PARAM,
+					DSCCLK3_DTO_PHASE, 0,
+					DSCCLK3_DTO_MODULO, 1);
+		}
+		break;
 	default:
 		BREAK_TO_DEBUGGER();
 		return;
@@ -395,6 +404,15 @@ void dccg31_enable_dscclk(struct dccg *dccg, int inst)
 		REG_UPDATE(DSCCLK_DTO_CTRL,
 				DSCCLK2_DTO_ENABLE, 0);
 		break;
+	case 3:
+		if (REG(DSCCLK3_DTO_PARAM)) {
+			REG_UPDATE(DSCCLK_DTO_CTRL,
+					DSCCLK3_DTO_ENABLE, 0);
+			REG_UPDATE_2(DSCCLK3_DTO_PARAM,
+					DSCCLK3_DTO_PHASE, 0,
+					DSCCLK3_DTO_MODULO, 0);
+		}
+		break;
 	default:
 		BREAK_TO_DEBUGGER();
 		return;

drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dccg.h

@@ -68,6 +68,7 @@
 	SR(DSCCLK0_DTO_PARAM),\
 	SR(DSCCLK1_DTO_PARAM),\
 	SR(DSCCLK2_DTO_PARAM),\
+	SR(DSCCLK3_DTO_PARAM),\
 	SR(DSCCLK_DTO_CTRL),\
 	SR(DCCG_GATE_DISABLE_CNTL2),\
 	SR(DCCG_GATE_DISABLE_CNTL3),\
@@ -149,6 +150,8 @@
 	DCCG_SF(DSCCLK1_DTO_PARAM, DSCCLK1_DTO_MODULO, mask_sh),\
 	DCCG_SF(DSCCLK2_DTO_PARAM, DSCCLK2_DTO_PHASE, mask_sh),\
 	DCCG_SF(DSCCLK2_DTO_PARAM, DSCCLK2_DTO_MODULO, mask_sh),\
+	DCCG_SF(DSCCLK3_DTO_PARAM, DSCCLK3_DTO_PHASE, mask_sh),\
+	DCCG_SF(DSCCLK3_DTO_PARAM, DSCCLK3_DTO_MODULO, mask_sh),\
 	DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE0_GATE_DISABLE, mask_sh),\
 	DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE1_GATE_DISABLE, mask_sh),\
 	DCCG_SF(DCCG_GATE_DISABLE_CNTL3, SYMCLK32_ROOT_SE2_GATE_DISABLE, mask_sh),\
@@ -184,6 +187,7 @@
 	DCCG_SF(DSCCLK_DTO_CTRL, DSCCLK0_DTO_ENABLE, mask_sh),\
 	DCCG_SF(DSCCLK_DTO_CTRL, DSCCLK1_DTO_ENABLE, mask_sh),\
 	DCCG_SF(DSCCLK_DTO_CTRL, DSCCLK2_DTO_ENABLE, mask_sh),\
+	DCCG_SF(DSCCLK_DTO_CTRL, DSCCLK3_DTO_ENABLE, mask_sh),\
 	DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYASYMCLK_GATE_DISABLE, mask_sh),\
 	DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYBSYMCLK_GATE_DISABLE, mask_sh),\
 	DCCG_SF(DCCG_GATE_DISABLE_CNTL2, PHYCSYMCLK_GATE_DISABLE, mask_sh),\