Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 328 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
new file mode 100644
index 000000000..ecb7bcc39
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h
@@ -0,0 +1,328 @@
+/*
+ * Copyright 2012-16 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DAL_CLK_MGR_H__
+#define __DAL_CLK_MGR_H__
+
+#include "dc.h"
+#include "dm_pp_smu.h"
+
+#define DCN_MINIMUM_DISPCLK_Khz 100000
+#define DCN_MINIMUM_DPPCLK_Khz 100000
+
+/* Constants */
+#define DDR4_DRAM_WIDTH   64
+#define WM_A 0
+#define WM_B 1
+#define WM_C 2
+#define WM_D 3
+#define WM_SET_COUNT 4
+
+#define DCN_MINIMUM_DISPCLK_Khz 100000
+#define DCN_MINIMUM_DPPCLK_Khz 100000
+
+struct dcn3_clk_internal {
+	int dummy;
+	/*TODO:
+	uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
+	uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
+	uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
+	uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
+	uint32_t CLK1_CLK3_DS_CNTL;	//dcf_deep_sleep_divider
+	uint32_t CLK1_CLK3_ALLOW_DS;	//dcf_deep_sleep_allow
+
+	uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
+	uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
+	uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
+	uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
+	*/
+};
+
+struct dcn301_clk_internal {
+	int dummy;
+	uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
+	uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
+	uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
+	uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
+	uint32_t CLK1_CLK3_DS_CNTL;	//dcf_deep_sleep_divider
+	uint32_t CLK1_CLK3_ALLOW_DS;	//dcf_deep_sleep_allow
+
+	uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
+	uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
+	uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
+	uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
+};
+
+/* Will these bw structures be ASIC specific? */
+
+#define MAX_NUM_DPM_LVL		8
+#define WM_SET_COUNT 		4
+
+
+struct clk_limit_table_entry {
+	unsigned int voltage; /* milivolts withh 2 fractional bits */
+	unsigned int dcfclk_mhz;
+	unsigned int fclk_mhz;
+	unsigned int memclk_mhz;
+	unsigned int socclk_mhz;
+	unsigned int dtbclk_mhz;
+	unsigned int dispclk_mhz;
+	unsigned int dppclk_mhz;
+	unsigned int phyclk_mhz;
+	unsigned int phyclk_d18_mhz;
+	unsigned int wck_ratio;
+};
+
+struct clk_limit_num_entries {
+	unsigned int num_dcfclk_levels;
+	unsigned int num_fclk_levels;
+	unsigned int num_memclk_levels;
+	unsigned int num_socclk_levels;
+	unsigned int num_dtbclk_levels;
+	unsigned int num_dispclk_levels;
+	unsigned int num_dppclk_levels;
+	unsigned int num_phyclk_levels;
+	unsigned int num_phyclk_d18_levels;
+};
+
+/* This table is contiguous */
+struct clk_limit_table {
+	struct clk_limit_table_entry entries[MAX_NUM_DPM_LVL];
+	struct clk_limit_num_entries num_entries_per_clk;
+	unsigned int num_entries; /* highest populated dpm level for back compatibility */
+};
+
+struct wm_range_table_entry {
+	unsigned int wm_inst;
+	unsigned int wm_type;
+	double pstate_latency_us;
+	double sr_exit_time_us;
+	double sr_enter_plus_exit_time_us;
+	bool valid;
+};
+
+struct nv_wm_range_entry {
+	bool valid;
+
+	struct {
+		uint8_t wm_type;
+		uint16_t min_dcfclk;
+		uint16_t max_dcfclk;
+		uint16_t min_uclk;
+		uint16_t max_uclk;
+	} pmfw_breakdown;
+
+	struct {
+		double pstate_latency_us;
+		double sr_exit_time_us;
+		double sr_enter_plus_exit_time_us;
+		double fclk_change_latency_us;
+	} dml_input;
+};
+
+struct clk_log_info {
+	bool enabled;
+	char *pBuf;
+	unsigned int bufSize;
+	unsigned int *sum_chars_printed;
+};
+
+struct clk_state_registers_and_bypass {
+	uint32_t dcfclk;
+	uint32_t dcf_deep_sleep_divider;
+	uint32_t dcf_deep_sleep_allow;
+	uint32_t dprefclk;
+	uint32_t dispclk;
+	uint32_t dppclk;
+	uint32_t dtbclk;
+
+	uint32_t dppclk_bypass;
+	uint32_t dcfclk_bypass;
+	uint32_t dprefclk_bypass;
+	uint32_t dispclk_bypass;
+};
+
+struct rv1_clk_internal {
+	uint32_t CLK0_CLK8_CURRENT_CNT;  //dcfclk
+	uint32_t CLK0_CLK8_DS_CNTL;		 //dcf_deep_sleep_divider
+	uint32_t CLK0_CLK8_ALLOW_DS;	 //dcf_deep_sleep_allow
+	uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk
+	uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk
+
+	uint32_t CLK0_CLK8_BYPASS_CNTL;  //dcfclk bypass
+	uint32_t CLK0_CLK10_BYPASS_CNTL; //dprefclk bypass
+	uint32_t CLK0_CLK11_BYPASS_CNTL; //dispclk bypass
+};
+
+struct rn_clk_internal {
+	uint32_t CLK1_CLK0_CURRENT_CNT; //dispclk
+	uint32_t CLK1_CLK1_CURRENT_CNT; //dppclk
+	uint32_t CLK1_CLK2_CURRENT_CNT; //dprefclk
+	uint32_t CLK1_CLK3_CURRENT_CNT; //dcfclk
+	uint32_t CLK1_CLK3_DS_CNTL;		//dcf_deep_sleep_divider
+	uint32_t CLK1_CLK3_ALLOW_DS;	//dcf_deep_sleep_allow
+
+	uint32_t CLK1_CLK0_BYPASS_CNTL; //dispclk bypass
+	uint32_t CLK1_CLK1_BYPASS_CNTL; //dppclk bypass
+	uint32_t CLK1_CLK2_BYPASS_CNTL; //dprefclk bypass
+	uint32_t CLK1_CLK3_BYPASS_CNTL; //dcfclk bypass
+
+};
+
+/* For dtn logging and debugging */
+struct clk_state_registers {
+		uint32_t CLK0_CLK8_CURRENT_CNT;  //dcfclk
+		uint32_t CLK0_CLK8_DS_CNTL;		 //dcf_deep_sleep_divider
+		uint32_t CLK0_CLK8_ALLOW_DS;	 //dcf_deep_sleep_allow
+		uint32_t CLK0_CLK10_CURRENT_CNT; //dprefclk
+		uint32_t CLK0_CLK11_CURRENT_CNT; //dispclk
+};
+
+/* TODO: combine this with the above */
+struct clk_bypass {
+	uint32_t dcfclk_bypass;
+	uint32_t dispclk_pypass;
+	uint32_t dprefclk_bypass;
+};
+/*
+ * This table is not contiguous, can have holes, each
+ * entry correspond to one set of WM. For example if
+ * we have 2 DPM and LPDDR, we will WM set A, B and
+ * D occupied, C will be emptry.
+ */
+struct wm_table {
+	union {
+		struct nv_wm_range_entry nv_entries[WM_SET_COUNT];
+		struct wm_range_table_entry entries[WM_SET_COUNT];
+	};
+};
+
+struct dummy_pstate_entry {
+	unsigned int dram_speed_mts;
+	double dummy_pstate_latency_us;
+};
+
+struct clk_bw_params {
+	unsigned int vram_type;
+	unsigned int num_channels;
+	unsigned int dram_channel_width_bytes;
+ 	unsigned int dispclk_vco_khz;
+	unsigned int dc_mode_softmax_memclk;
+	unsigned int max_memclk_mhz;
+	struct clk_limit_table clk_table;
+	struct wm_table wm_table;
+	struct dummy_pstate_entry dummy_pstate_table[4];
+	struct clk_limit_table_entry dc_mode_limit;
+};
+/* Public interfaces */
+
+struct clk_states {
+	uint32_t dprefclk_khz;
+};
+
+struct clk_mgr_funcs {
+	/*
+	 * This function should set new clocks based on the input "safe_to_lower".
+	 * If safe_to_lower == false, then only clocks which are to be increased
+	 * should changed.
+	 * If safe_to_lower == true, then only clocks which are to be decreased
+	 * should be changed.
+	 */
+	void (*update_clocks)(struct clk_mgr *clk_mgr,
+			struct dc_state *context,
+			bool safe_to_lower);
+
+	int (*get_dp_ref_clk_frequency)(struct clk_mgr *clk_mgr);
+	int (*get_dtb_ref_clk_frequency)(struct clk_mgr *clk_mgr);
+
+	void (*set_low_power_state)(struct clk_mgr *clk_mgr);
+
+	void (*init_clocks)(struct clk_mgr *clk_mgr);
+
+	void (*dump_clk_registers)(struct clk_state_registers_and_bypass *regs_and_bypass,
+			struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info);
+
+	void (*enable_pme_wa) (struct clk_mgr *clk_mgr);
+	void (*get_clock)(struct clk_mgr *clk_mgr,
+			struct dc_state *context,
+			enum dc_clock_type clock_type,
+			struct dc_clock_config *clock_cfg);
+
+	bool (*are_clock_states_equal) (struct dc_clocks *a,
+			struct dc_clocks *b);
+	void (*notify_wm_ranges)(struct clk_mgr *clk_mgr);
+
+	/* Notify clk_mgr of a change in link rate, update phyclk frequency if necessary */
+	void (*notify_link_rate_change)(struct clk_mgr *clk_mgr, struct dc_link *link);
+	/*
+	 * Send message to PMFW to set hard min memclk frequency
+	 * When current_mode = false, set DPM0
+	 * When current_mode = true, set required clock for current mode
+	 */
+	void (*set_hard_min_memclk)(struct clk_mgr *clk_mgr, bool current_mode);
+
+	/* Send message to PMFW to set hard max memclk frequency to highest DPM */
+	void (*set_hard_max_memclk)(struct clk_mgr *clk_mgr);
+
+	/* Custom set a memclk freq range*/
+	void (*set_max_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
+	void (*set_min_memclk)(struct clk_mgr *clk_mgr, unsigned int memclk_mhz);
+
+	/* Get current memclk states from PMFW, update relevant structures */
+	void (*get_memclk_states_from_smu)(struct clk_mgr *clk_mgr);
+
+	/* Get SMU present */
+	bool (*is_smu_present)(struct clk_mgr *clk_mgr);
+
+	int (*get_dispclk_from_dentist)(struct clk_mgr *clk_mgr_base);
+
+};
+
+struct clk_mgr {
+	struct dc_context *ctx;
+	struct clk_mgr_funcs *funcs;
+	struct dc_clocks clks;
+	bool psr_allow_active_cache;
+	bool force_smu_not_present;
+	bool dc_mode_softmax_enabled;
+	int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes
+	int dentist_vco_freq_khz;
+	struct clk_state_registers_and_bypass boot_snapshot;
+	struct clk_bw_params *bw_params;
+	struct pp_smu_wm_range_sets ranges;
+};
+
+/* forward declarations */
+struct dccg;
+
+struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg);
+
+void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr);
+
+void clk_mgr_exit_optimized_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr);
+
+void clk_mgr_optimize_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr);
+
+#endif /* __DAL_CLK_MGR_H__ */