drm/amd/display: rename dce_disp_clk to dccg

No functional change.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c

@@ -139,30 +139,7 @@ static int dentist_get_divider_from_did(int did)
 	}
 }
 
-static int dce_clocks_get_dp_ref_freq(struct dccg *clk)
-{
-	struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk);
-	int dprefclk_wdivider;
-	int dprefclk_src_sel;
-	int dp_ref_clk_khz = 600000;
-	int target_div;
-
-	/* ASSERT DP Reference Clock source is from DFS*/
-	REG_GET(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, &dprefclk_src_sel);
-	ASSERT(dprefclk_src_sel == 0);
-
-	/* Read the mmDENTIST_DISPCLK_CNTL to get the currently
-	 * programmed DID DENTIST_DPREFCLK_WDIVIDER*/
-	REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, &dprefclk_wdivider);
-
-	/* Convert DENTIST_DPREFCLK_WDIVIDERto actual divider*/
-	target_div = dentist_get_divider_from_did(dprefclk_wdivider);
-
-	/* Calculate the current DFS clock, in kHz.*/
-	dp_ref_clk_khz = (dentist_divider_range_scale_factor
-		* clk_dce->dentist_vco_freq_khz) / target_div;
-
-	/* SW will adjust DP REF Clock average value for all purposes
+/* SW will adjust DP REF Clock average value for all purposes
  * (DP DTO / DP Audio DTO and DP GTC)
  if clock is spread for all cases:
  -if SS enabled on DP Ref clock and HW de-spreading enabled with SW
@@ -174,6 +151,8 @@ static int dce_clocks_get_dp_ref_freq(struct dccg *clk)
  (should not be case with CIK) then SW should program all rates
  generated according to average value (case as with previous ASICs)
   */
+static int dccg_adjust_dp_ref_freq_for_ss(struct dce_dccg *clk_dce, int dp_ref_clk_khz)
+{
 	if (clk_dce->ss_on_dprefclk && clk_dce->dprefclk_ss_divider != 0) {
 		struct fixed31_32 ss_percentage = dc_fixpt_div_int(
 				dc_fixpt_from_fraction(clk_dce->dprefclk_ss_percentage,
@@ -184,32 +163,42 @@ static int dce_clocks_get_dp_ref_freq(struct dccg *clk)
 		adj_dp_ref_clk_khz = dc_fixpt_mul_int(ss_percentage, dp_ref_clk_khz);
 		dp_ref_clk_khz = dc_fixpt_floor(adj_dp_ref_clk_khz);
 	}
-
 	return dp_ref_clk_khz;
 }
 
-/* TODO: This is DCN DPREFCLK: it could be program by DENTIST by VBIOS
- * or CLK0_CLK11 by SMU. For DCE120, it is wlays 600Mhz. Will re-visit
- * clock implementation
- */
-static int dce_clocks_get_dp_ref_freq_wrkaround(struct dccg *clk)
+static int dce_get_dp_ref_freq_khz(struct dccg *clk)
 {
 	struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk);
+	int dprefclk_wdivider;
+	int dprefclk_src_sel;
 	int dp_ref_clk_khz = 600000;
+	int target_div;
 
-	if (clk_dce->ss_on_dprefclk && clk_dce->dprefclk_ss_divider != 0) {
-		struct fixed31_32 ss_percentage = dc_fixpt_div_int(
-				dc_fixpt_from_fraction(clk_dce->dprefclk_ss_percentage,
-						clk_dce->dprefclk_ss_divider), 200);
-		struct fixed31_32 adj_dp_ref_clk_khz;
+	/* ASSERT DP Reference Clock source is from DFS*/
+	REG_GET(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, &dprefclk_src_sel);
+	ASSERT(dprefclk_src_sel == 0);
 
-		ss_percentage = dc_fixpt_sub(dc_fixpt_one, ss_percentage);
-		adj_dp_ref_clk_khz = dc_fixpt_mul_int(ss_percentage, dp_ref_clk_khz);
-		dp_ref_clk_khz = dc_fixpt_floor(adj_dp_ref_clk_khz);
-	}
+	/* Read the mmDENTIST_DISPCLK_CNTL to get the currently
+	 * programmed DID DENTIST_DPREFCLK_WDIVIDER*/
+	REG_GET(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, &dprefclk_wdivider);
 
-	return dp_ref_clk_khz;
+	/* Convert DENTIST_DPREFCLK_WDIVIDERto actual divider*/
+	target_div = dentist_get_divider_from_did(dprefclk_wdivider);
+
+	/* Calculate the current DFS clock, in kHz.*/
+	dp_ref_clk_khz = (dentist_divider_range_scale_factor
+		* clk_dce->dentist_vco_freq_khz) / target_div;
+
+	return dccg_adjust_dp_ref_freq_for_ss(clk_dce, dp_ref_clk_khz);
 }
+
+static int dce12_get_dp_ref_freq_khz(struct dccg *clk)
+{
+	struct dce_dccg *clk_dce = TO_DCE_CLOCKS(clk);
+
+	return dccg_adjust_dp_ref_freq_for_ss(clk_dce, 600000);
+}
+
 static enum dm_pp_clocks_state dce_get_required_clocks_state(
 	struct dccg *clk,
 	struct dc_clocks *req_clocks)
@@ -590,8 +579,7 @@ static void dcn1_update_clocks(struct dccg *dccg,
 	/* make sure dcf clk is before dpp clk to
 	 * make sure we have enough voltage to run dpp clk
 	 */
-	if (send_request_to_increase
-		) {
+	if (send_request_to_increase) {
 		/*use dcfclk to request voltage*/
 		clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK;
 		clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks);
@@ -644,8 +632,7 @@ static void dcn1_update_clocks(struct dccg *dccg,
 	}
 
 #ifdef CONFIG_DRM_AMD_DC_DCN1_0
-	if (!send_request_to_increase && send_request_to_lower
-		) {
+	if (!send_request_to_increase && send_request_to_lower) {
 		/*use dcfclk to request voltage*/
 		clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DCFCLK;
 		clock_voltage_req.clocks_in_khz = dcn_find_dcfclk_suits_all(dc, new_clocks);
@@ -685,31 +672,31 @@ static void dce_update_clocks(struct dccg *dccg,
 }
 
 static const struct display_clock_funcs dcn1_funcs = {
-	.get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq_wrkaround,
+	.get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
 	.set_dispclk = dce112_set_clock,
 	.update_clocks = dcn1_update_clocks
 };
 
 static const struct display_clock_funcs dce120_funcs = {
-	.get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq_wrkaround,
+	.get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
 	.set_dispclk = dce112_set_clock,
 	.update_clocks = dce12_update_clocks
 };
 
 static const struct display_clock_funcs dce112_funcs = {
-	.get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq,
+	.get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz,
 	.set_dispclk = dce112_set_clock,
 	.update_clocks = dce_update_clocks
 };
 
 static const struct display_clock_funcs dce110_funcs = {
-	.get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq,
+	.get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz,
 	.set_dispclk = dce_psr_set_clock,
 	.update_clocks = dce_update_clocks
 };
 
 static const struct display_clock_funcs dce_funcs = {
-	.get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq,
+	.get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz,
 	.set_dispclk = dce_set_clock,
 	.update_clocks = dce_update_clocks
 };
@@ -717,9 +704,9 @@ static const struct display_clock_funcs dce_funcs = {
 static void dce_dccg_construct(
 	struct dce_dccg *clk_dce,
 	struct dc_context *ctx,
-	const struct dce_disp_clk_registers *regs,
-	const struct dce_disp_clk_shift *clk_shift,
-	const struct dce_disp_clk_mask *clk_mask)
+	const struct dccg_registers *regs,
+	const struct dccg_shift *clk_shift,
+	const struct dccg_mask *clk_mask)
 {
 	struct dccg *base = &clk_dce->base;
 
@@ -745,9 +732,9 @@ static void dce_dccg_construct(
 
 struct dccg *dce_dccg_create(
 	struct dc_context *ctx,
-	const struct dce_disp_clk_registers *regs,
-	const struct dce_disp_clk_shift *clk_shift,
-	const struct dce_disp_clk_mask *clk_mask)
+	const struct dccg_registers *regs,
+	const struct dccg_shift *clk_shift,
+	const struct dccg_mask *clk_mask)
 {
 	struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL);
 
@@ -768,9 +755,9 @@ struct dccg *dce_dccg_create(
 
 struct dccg *dce110_dccg_create(
 	struct dc_context *ctx,
-	const struct dce_disp_clk_registers *regs,
-	const struct dce_disp_clk_shift *clk_shift,
-	const struct dce_disp_clk_mask *clk_mask)
+	const struct dccg_registers *regs,
+	const struct dccg_shift *clk_shift,
+	const struct dccg_mask *clk_mask)
 {
 	struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL);
 
@@ -793,9 +780,9 @@ struct dccg *dce110_dccg_create(
 
 struct dccg *dce112_dccg_create(
 	struct dc_context *ctx,
-	const struct dce_disp_clk_registers *regs,
-	const struct dce_disp_clk_shift *clk_shift,
-	const struct dce_disp_clk_mask *clk_mask)
+	const struct dccg_registers *regs,
+	const struct dccg_shift *clk_shift,
+	const struct dccg_mask *clk_mask)
 {
 	struct dce_dccg *clk_dce = kzalloc(sizeof(*clk_dce), GFP_KERNEL);
 

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

@@ -33,6 +33,9 @@
 	.DPREFCLK_CNTL = mmDPREFCLK_CNTL, \
 	.DENTIST_DISPCLK_CNTL = mmDENTIST_DISPCLK_CNTL
 
+#define CLK_COMMON_REG_LIST_DCN_BASE() \
+	SR(DENTIST_DISPCLK_CNTL)
+
 #define CLK_SF(reg_name, field_name, post_fix)\
 	.field_name = reg_name ## __ ## field_name ## post_fix
 
@@ -40,28 +43,34 @@
 	CLK_SF(DPREFCLK_CNTL, DPREFCLK_SRC_SEL, mask_sh), \
 	CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPREFCLK_WDIVIDER, mask_sh)
 
+#define CLK_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh) \
+	CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DPPCLK_WDIVIDER, mask_sh),\
+	CLK_SF(DENTIST_DISPCLK_CNTL, DENTIST_DISPCLK_WDIVIDER, mask_sh)
+
 #define CLK_REG_FIELD_LIST(type) \
 	type DPREFCLK_SRC_SEL; \
-	type DENTIST_DPREFCLK_WDIVIDER;
+	type DENTIST_DPREFCLK_WDIVIDER; \
+	type DENTIST_DISPCLK_WDIVIDER; \
+	type DENTIST_DPPCLK_WDIVIDER;
 
-struct dce_disp_clk_shift {
+struct dccg_shift {
 	CLK_REG_FIELD_LIST(uint8_t)
 };
 
-struct dce_disp_clk_mask {
+struct dccg_mask {
 	CLK_REG_FIELD_LIST(uint32_t)
 };
 
-struct dce_disp_clk_registers {
+struct dccg_registers {
 	uint32_t DPREFCLK_CNTL;
 	uint32_t DENTIST_DISPCLK_CNTL;
 };
 
 struct dce_dccg {
 	struct dccg base;
-	const struct dce_disp_clk_registers *regs;
-	const struct dce_disp_clk_shift *clk_shift;
-	const struct dce_disp_clk_mask *clk_mask;
+	const struct dccg_registers *regs;
+	const struct dccg_shift *clk_shift;
+	const struct dccg_mask *clk_mask;
 
 	struct state_dependent_clocks max_clks_by_state[DM_PP_CLOCKS_MAX_STATES];
 
@@ -84,21 +93,21 @@ struct dce_dccg {
 
 struct dccg *dce_dccg_create(
 	struct dc_context *ctx,
-	const struct dce_disp_clk_registers *regs,
-	const struct dce_disp_clk_shift *clk_shift,
-	const struct dce_disp_clk_mask *clk_mask);
+	const struct dccg_registers *regs,
+	const struct dccg_shift *clk_shift,
+	const struct dccg_mask *clk_mask);
 
 struct dccg *dce110_dccg_create(
 	struct dc_context *ctx,
-	const struct dce_disp_clk_registers *regs,
-	const struct dce_disp_clk_shift *clk_shift,
-	const struct dce_disp_clk_mask *clk_mask);
+	const struct dccg_registers *regs,
+	const struct dccg_shift *clk_shift,
+	const struct dccg_mask *clk_mask);
 
 struct dccg *dce112_dccg_create(
 	struct dc_context *ctx,
-	const struct dce_disp_clk_registers *regs,
-	const struct dce_disp_clk_shift *clk_shift,
-	const struct dce_disp_clk_mask *clk_mask);
+	const struct dccg_registers *regs,
+	const struct dccg_shift *clk_shift,
+	const struct dccg_mask *clk_mask);
 
 struct dccg *dce120_dccg_create(struct dc_context *ctx);
 

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

@@ -249,7 +249,6 @@ struct dce_hwseq_registers {
 	uint32_t DISPCLK_FREQ_CHANGE_CNTL;
 	uint32_t RBBMIF_TIMEOUT_DIS;
 	uint32_t RBBMIF_TIMEOUT_DIS_2;
-	uint32_t DENTIST_DISPCLK_CNTL;
 	uint32_t DCHUBBUB_CRC_CTRL;
 	uint32_t DPP_TOP0_DPP_CRC_CTRL;
 	uint32_t DPP_TOP0_DPP_CRC_VAL_R_G;
@@ -496,8 +495,6 @@ struct dce_hwseq_registers {
 	type DOMAIN7_PGFSM_PWR_STATUS; \
 	type DCFCLK_GATE_DIS; \
 	type DCHUBBUB_GLOBAL_TIMER_REFDIV; \
-	type DENTIST_DPPCLK_WDIVIDER; \
-	type DENTIST_DISPCLK_WDIVIDER; \
 	type VGA_TEST_ENABLE; \
 	type VGA_TEST_RENDER_START; \
 	type D1VGA_MODE_ENABLE; \

drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c

@@ -135,15 +135,15 @@ static const struct dce110_timing_generator_offsets dce100_tg_offsets[] = {
 	.reg_name = mm ## block ## id ## _ ## reg_name
 
 
-static const struct dce_disp_clk_registers disp_clk_regs = {
+static const struct dccg_registers disp_clk_regs = {
 		CLK_COMMON_REG_LIST_DCE_BASE()
 };
 
-static const struct dce_disp_clk_shift disp_clk_shift = {
+static const struct dccg_shift disp_clk_shift = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(__SHIFT)
 };
 
-static const struct dce_disp_clk_mask disp_clk_mask = {
+static const struct dccg_mask disp_clk_mask = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(_MASK)
 };
 

drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c

@@ -146,15 +146,15 @@ static const struct dce110_timing_generator_offsets dce110_tg_offsets[] = {
 #define SRI(reg_name, block, id)\
 	.reg_name = mm ## block ## id ## _ ## reg_name
 
-static const struct dce_disp_clk_registers disp_clk_regs = {
+static const struct dccg_registers disp_clk_regs = {
 		CLK_COMMON_REG_LIST_DCE_BASE()
 };
 
-static const struct dce_disp_clk_shift disp_clk_shift = {
+static const struct dccg_shift disp_clk_shift = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(__SHIFT)
 };
 
-static const struct dce_disp_clk_mask disp_clk_mask = {
+static const struct dccg_mask disp_clk_mask = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(_MASK)
 };
 

drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c

@@ -146,15 +146,15 @@ static const struct dce110_timing_generator_offsets dce112_tg_offsets[] = {
 	.reg_name = mm ## block ## id ## _ ## reg_name
 
 
-static const struct dce_disp_clk_registers disp_clk_regs = {
+static const struct dccg_registers disp_clk_regs = {
 		CLK_COMMON_REG_LIST_DCE_BASE()
 };
 
-static const struct dce_disp_clk_shift disp_clk_shift = {
+static const struct dccg_shift disp_clk_shift = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(__SHIFT)
 };
 
-static const struct dce_disp_clk_mask disp_clk_mask = {
+static const struct dccg_mask disp_clk_mask = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(_MASK)
 };
 

drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c

@@ -153,15 +153,15 @@ static const struct dce110_timing_generator_offsets dce80_tg_offsets[] = {
 	.reg_name = mm ## block ## id ## _ ## reg_name
 
 
-static const struct dce_disp_clk_registers disp_clk_regs = {
+static const struct dccg_registers disp_clk_regs = {
 		CLK_COMMON_REG_LIST_DCE_BASE()
 };
 
-static const struct dce_disp_clk_shift disp_clk_shift = {
+static const struct dccg_shift disp_clk_shift = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(__SHIFT)
 };
 
-static const struct dce_disp_clk_mask disp_clk_mask = {
+static const struct dccg_mask disp_clk_mask = {
 		CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(_MASK)
 };