diff options
3 files changed, 143 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c index 790bbd8235b1..9e63fa72101c 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c @@ -77,6 +77,7 @@ static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0, #undef DC_LOGGER #define DC_LOGGER \ clk_mgr->base.base.ctx->logger + #define regCLK1_CLK_PLL_REQ 0x0237 #define regCLK1_CLK_PLL_REQ_BASE_IDX 0 @@ -87,8 +88,70 @@ static const struct IP_BASE CLK_BASE = { { { { 0x00016C00, 0x02401800, 0, 0, 0, #define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L #define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L +#define regCLK1_CLK0_DFS_CNTL 0x0269 +#define regCLK1_CLK0_DFS_CNTL_BASE_IDX 0 +#define regCLK1_CLK1_DFS_CNTL 0x026c +#define regCLK1_CLK1_DFS_CNTL_BASE_IDX 0 +#define regCLK1_CLK2_DFS_CNTL 0x026f +#define regCLK1_CLK2_DFS_CNTL_BASE_IDX 0 +#define regCLK1_CLK3_DFS_CNTL 0x0272 +#define regCLK1_CLK3_DFS_CNTL_BASE_IDX 0 +#define regCLK1_CLK4_DFS_CNTL 0x0275 +#define regCLK1_CLK4_DFS_CNTL_BASE_IDX 0 +#define regCLK1_CLK5_DFS_CNTL 0x0278 +#define regCLK1_CLK5_DFS_CNTL_BASE_IDX 0 + +#define regCLK1_CLK0_CURRENT_CNT 0x02fb +#define regCLK1_CLK0_CURRENT_CNT_BASE_IDX 0 +#define regCLK1_CLK1_CURRENT_CNT 0x02fc +#define regCLK1_CLK1_CURRENT_CNT_BASE_IDX 0 +#define regCLK1_CLK2_CURRENT_CNT 0x02fd +#define regCLK1_CLK2_CURRENT_CNT_BASE_IDX 0 +#define regCLK1_CLK3_CURRENT_CNT 0x02fe +#define regCLK1_CLK3_CURRENT_CNT_BASE_IDX 0 +#define regCLK1_CLK4_CURRENT_CNT 0x02ff +#define regCLK1_CLK4_CURRENT_CNT_BASE_IDX 0 +#define regCLK1_CLK5_CURRENT_CNT 0x0300 +#define regCLK1_CLK5_CURRENT_CNT_BASE_IDX 0 + +#define regCLK1_CLK0_BYPASS_CNTL 0x028a +#define regCLK1_CLK0_BYPASS_CNTL_BASE_IDX 0 +#define regCLK1_CLK1_BYPASS_CNTL 0x0293 +#define regCLK1_CLK1_BYPASS_CNTL_BASE_IDX 0 #define regCLK1_CLK2_BYPASS_CNTL 0x029c #define regCLK1_CLK2_BYPASS_CNTL_BASE_IDX 0 +#define regCLK1_CLK3_BYPASS_CNTL 0x02a5 +#define regCLK1_CLK3_BYPASS_CNTL_BASE_IDX 0 +#define regCLK1_CLK4_BYPASS_CNTL 0x02ae +#define regCLK1_CLK4_BYPASS_CNTL_BASE_IDX 0 +#define regCLK1_CLK5_BYPASS_CNTL 0x02b7 +#define regCLK1_CLK5_BYPASS_CNTL_BASE_IDX 0 + +#define regCLK1_CLK0_DS_CNTL 0x0283 +#define regCLK1_CLK0_DS_CNTL_BASE_IDX 0 +#define regCLK1_CLK1_DS_CNTL 0x028c +#define regCLK1_CLK1_DS_CNTL_BASE_IDX 0 +#define regCLK1_CLK2_DS_CNTL 0x0295 +#define regCLK1_CLK2_DS_CNTL_BASE_IDX 0 +#define regCLK1_CLK3_DS_CNTL 0x029e +#define regCLK1_CLK3_DS_CNTL_BASE_IDX 0 +#define regCLK1_CLK4_DS_CNTL 0x02a7 +#define regCLK1_CLK4_DS_CNTL_BASE_IDX 0 +#define regCLK1_CLK5_DS_CNTL 0x02b0 +#define regCLK1_CLK5_DS_CNTL_BASE_IDX 0 + +#define regCLK1_CLK0_ALLOW_DS 0x0284 +#define regCLK1_CLK0_ALLOW_DS_BASE_IDX 0 +#define regCLK1_CLK1_ALLOW_DS 0x028d +#define regCLK1_CLK1_ALLOW_DS_BASE_IDX 0 +#define regCLK1_CLK2_ALLOW_DS 0x0296 +#define regCLK1_CLK2_ALLOW_DS_BASE_IDX 0 +#define regCLK1_CLK3_ALLOW_DS 0x029f +#define regCLK1_CLK3_ALLOW_DS_BASE_IDX 0 +#define regCLK1_CLK4_ALLOW_DS 0x02a8 +#define regCLK1_CLK4_ALLOW_DS_BASE_IDX 0 +#define regCLK1_CLK5_ALLOW_DS 0x02b1 +#define regCLK1_CLK5_ALLOW_DS_BASE_IDX 0 #define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_SEL__SHIFT 0x0 #define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_DIV__SHIFT 0x10 @@ -185,6 +248,8 @@ void dcn314_init_clocks(struct clk_mgr *clk_mgr) { struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr); uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz; + struct clk_mgr_dcn314 *clk_mgr_dcn314 = TO_CLK_MGR_DCN314(clk_mgr_int); + struct clk_log_info log_info = {0}; memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks)); // Assumption is that boot state always supports pstate @@ -200,6 +265,9 @@ void dcn314_init_clocks(struct clk_mgr *clk_mgr) dce_adjust_dp_ref_freq_for_ss(clk_mgr_int, clk_mgr->dprefclk_khz); else clk_mgr->dp_dto_source_clock_in_khz = clk_mgr->dprefclk_khz; + + dcn314_dump_clk_registers(&clk_mgr->boot_snapshot, &clk_mgr_dcn314->base.base, &log_info); + clk_mgr->clks.dispclk_khz = clk_mgr->boot_snapshot.dispclk * 1000; } void dcn314_update_clocks(struct clk_mgr *clk_mgr_base, @@ -218,6 +286,8 @@ void dcn314_update_clocks(struct clk_mgr *clk_mgr_base, if (dc->work_arounds.skip_clock_update) return; + display_count = dcn314_get_active_display_cnt_wa(dc, context); + /* * if it is safe to lower, but we are already in the lower state, we don't have to do anything * also if safe to lower is false, we just go in the higher state @@ -236,7 +306,6 @@ void dcn314_update_clocks(struct clk_mgr *clk_mgr_base, } /* check that we're not already in lower */ if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { - display_count = dcn314_get_active_display_cnt_wa(dc, context); /* if we can go lower, go lower */ if (display_count == 0) { union display_idle_optimization_u idle_info = { 0 }; @@ -293,11 +362,19 @@ void dcn314_update_clocks(struct clk_mgr *clk_mgr_base, update_dppclk = true; } - if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz) && + (new_clocks->dispclk_khz > 0 || (safe_to_lower && display_count == 0))) { + int requested_dispclk_khz = new_clocks->dispclk_khz; + dcn314_disable_otg_wa(clk_mgr_base, context, safe_to_lower, true); + /* Clamp the requested clock to PMFW based on their limit. */ + if (dc->debug.min_disp_clk_khz > 0 && requested_dispclk_khz < dc->debug.min_disp_clk_khz) + requested_dispclk_khz = dc->debug.min_disp_clk_khz; + + dcn314_smu_set_dispclk(clk_mgr, requested_dispclk_khz); clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; - dcn314_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz); + dcn314_disable_otg_wa(clk_mgr_base, context, safe_to_lower, false); update_dispclk = true; @@ -385,10 +462,65 @@ bool dcn314_are_clock_states_equal(struct dc_clocks *a, return true; } -static void dcn314_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass, + +static void dcn314_dump_clk_registers_internal(struct dcn35_clk_internal *internal, struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + // read dtbclk + internal->CLK1_CLK4_CURRENT_CNT = REG_READ(CLK1_CLK4_CURRENT_CNT); + internal->CLK1_CLK4_BYPASS_CNTL = REG_READ(CLK1_CLK4_BYPASS_CNTL); + + // read dcfclk + internal->CLK1_CLK3_CURRENT_CNT = REG_READ(CLK1_CLK3_CURRENT_CNT); + internal->CLK1_CLK3_BYPASS_CNTL = REG_READ(CLK1_CLK3_BYPASS_CNTL); + + // read dcf deep sleep divider + internal->CLK1_CLK3_DS_CNTL = REG_READ(CLK1_CLK3_DS_CNTL); + internal->CLK1_CLK3_ALLOW_DS = REG_READ(CLK1_CLK3_ALLOW_DS); + + // read dppclk + internal->CLK1_CLK1_CURRENT_CNT = REG_READ(CLK1_CLK1_CURRENT_CNT); + internal->CLK1_CLK1_BYPASS_CNTL = REG_READ(CLK1_CLK1_BYPASS_CNTL); + + // read dprefclk + internal->CLK1_CLK2_CURRENT_CNT = REG_READ(CLK1_CLK2_CURRENT_CNT); + internal->CLK1_CLK2_BYPASS_CNTL = REG_READ(CLK1_CLK2_BYPASS_CNTL); + + // read dispclk + internal->CLK1_CLK0_CURRENT_CNT = REG_READ(CLK1_CLK0_CURRENT_CNT); + internal->CLK1_CLK0_BYPASS_CNTL = REG_READ(CLK1_CLK0_BYPASS_CNTL); +} + +void dcn314_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass, struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info) { - return; + + struct dcn35_clk_internal internal = {0}; + + dcn314_dump_clk_registers_internal(&internal, clk_mgr_base); + + regs_and_bypass->dcfclk = internal.CLK1_CLK3_CURRENT_CNT / 10; + regs_and_bypass->dcf_deep_sleep_divider = internal.CLK1_CLK3_DS_CNTL / 10; + regs_and_bypass->dcf_deep_sleep_allow = internal.CLK1_CLK3_ALLOW_DS; + regs_and_bypass->dprefclk = internal.CLK1_CLK2_CURRENT_CNT / 10; + regs_and_bypass->dispclk = internal.CLK1_CLK0_CURRENT_CNT / 10; + regs_and_bypass->dppclk = internal.CLK1_CLK1_CURRENT_CNT / 10; + regs_and_bypass->dtbclk = internal.CLK1_CLK4_CURRENT_CNT / 10; + + regs_and_bypass->dppclk_bypass = internal.CLK1_CLK1_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dppclk_bypass < 0 || regs_and_bypass->dppclk_bypass > 4) + regs_and_bypass->dppclk_bypass = 0; + regs_and_bypass->dcfclk_bypass = internal.CLK1_CLK3_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dcfclk_bypass < 0 || regs_and_bypass->dcfclk_bypass > 4) + regs_and_bypass->dcfclk_bypass = 0; + regs_and_bypass->dispclk_bypass = internal.CLK1_CLK0_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dispclk_bypass < 0 || regs_and_bypass->dispclk_bypass > 4) + regs_and_bypass->dispclk_bypass = 0; + regs_and_bypass->dprefclk_bypass = internal.CLK1_CLK2_BYPASS_CNTL & 0x0007; + if (regs_and_bypass->dprefclk_bypass < 0 || regs_and_bypass->dprefclk_bypass > 4) + regs_and_bypass->dprefclk_bypass = 0; + } static struct clk_bw_params dcn314_bw_params = { diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.h index 002c28e80720..0577eb527bc3 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.h @@ -65,4 +65,9 @@ void dcn314_clk_mgr_construct(struct dc_context *ctx, void dcn314_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int); + +void dcn314_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass, + struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info); + + #endif //__DCN314_CLK_MGR_H__ diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c index 663c49cce4aa..d4917a35b991 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn314/dcn314_resource.c @@ -927,6 +927,7 @@ static const struct dc_debug_options debug_defaults_drv = { .enable_legacy_fast_update = true, .using_dml2 = false, .disable_dsc_power_gate = true, + .min_disp_clk_khz = 100000, }; static const struct dc_panel_config panel_config_defaults = { |