From: Hansen Dsouza <[email protected]> [why & how] Add standard RCG helpers based on DCCG spec
Reviewed-by: Daniel Miess <[email protected]> Reviewed-by: Muhammad Ahmed <[email protected]> Signed-off-by: Aurabindo Pillai <[email protected]> Signed-off-by: Hansen Dsouza <[email protected]> --- .../amd/display/dc/dccg/dcn35/dcn35_dccg.c | 307 ++++++++++++++++++ 1 file changed, 307 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c index 64b25e5d9d7a..76f069f703ef 100644 --- a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c +++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c @@ -122,6 +122,302 @@ enum dsc_clk_source { DSC_DTO_TUNED_CK_GPU_DISCLK_3, // DTO divided clock selected as functional clock }; + +static void dccg35_set_dsc_clk_rcg(struct dccg *dccg, int inst, bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.dsc) + return; + + switch (inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK0_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK1_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK2_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DSCCLK3_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + +static void dccg35_set_symclk32_se_rcg( + struct dccg *dccg, + int inst, + bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_se) + return; + + /* SYMCLK32_ROOT_SE#_GATE_DISABLE will clock gate in DCCG */ + /* SYMCLK32_SE#_GATE_DISABLE will clock gate in HPO only */ + switch (inst) { + case 0: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE0_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE0_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE1_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE1_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE2_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE2_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE3_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE3_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + +static void dccg35_set_symclk32_le_rcg( + struct dccg *dccg, + int inst, + bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_le) + return; + + switch (inst) { + case 0: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_LE0_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_LE0_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_LE1_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_LE1_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + +static void dccg35_set_physymclk_rcg( + struct dccg *dccg, + int inst, + bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) + return; + + switch (inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYASYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYBSYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYCSYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYDSYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 4: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL2, + PHYESYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + +static void dccg35_set_physymclk_fe_rcg( + struct dccg *dccg, + int inst, + bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.physymclk) + return; + + switch (inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, + SYMCLKA_FE_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, + SYMCLKB_FE_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, + SYMCLKC_FE_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, + SYMCLKD_FE_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 4: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, + SYMCLKE_FE_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + +static void dccg35_set_dtbclk_p_rcg(struct dccg *dccg, int inst, bool enable) +{ + + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.dpp) + return; + + switch (inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P0_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P1_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P2_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL5, DTBCLK_P3_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + break; + } +} + +static void dccg35_set_dppclk_rcg(struct dccg *dccg, + int inst, bool enable) +{ + + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.dpp) + return; + + switch (inst) { + case 0: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DPPCLK0_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DPPCLK1_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DPPCLK2_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DPPCLK3_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + break; + } +} + +static void dccg35_set_dpstreamclk_rcg( + struct dccg *dccg, + int inst, + bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.dpstream) + return; + + switch (inst) { + case 0: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL5, + DPSTREAMCLK0_GATE_DISABLE, enable ? 0 : 1, + DPSTREAMCLK0_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL5, + DPSTREAMCLK1_GATE_DISABLE, enable ? 0 : 1, + DPSTREAMCLK1_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL5, + DPSTREAMCLK2_GATE_DISABLE, enable ? 0 : 1, + DPSTREAMCLK2_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL5, + DPSTREAMCLK3_GATE_DISABLE, enable ? 0 : 1, + DPSTREAMCLK3_ROOT_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + +static void dccg35_set_smclk32_se_rcg( + struct dccg *dccg, + int inst, + bool enable) +{ + struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); + + if (!dccg->ctx->dc->debug.root_clock_optimization.bits.symclk32_se) + return; + + switch (inst) { + case 0: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE0_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE0_GATE_DISABLE, enable ? 0 : 1); + break; + case 1: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE1_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE1_GATE_DISABLE, enable ? 0 : 1); + break; + case 2: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE2_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE2_GATE_DISABLE, enable ? 0 : 1); + break; + case 3: + REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL3, + SYMCLK32_SE3_GATE_DISABLE, enable ? 0 : 1, + SYMCLK32_ROOT_SE3_GATE_DISABLE, enable ? 0 : 1); + break; + default: + BREAK_TO_DEBUGGER(); + return; + } +} + static void dccg35_trigger_dio_fifo_resync(struct dccg *dccg) { struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg); @@ -1123,6 +1419,17 @@ struct dccg *dccg35_create( return NULL; } + /* Temporary declaration to handle unused static functions */ + (void)&dccg35_set_dsc_clk_rcg; + (void)&dccg35_set_symclk32_se_rcg; + (void)&dccg35_set_symclk32_le_rcg; + (void)&dccg35_set_physymclk_rcg; + (void)&dccg35_set_physymclk_fe_rcg; + (void)&dccg35_set_dtbclk_p_rcg; + (void)&dccg35_set_dppclk_rcg; + (void)&dccg35_set_dpstreamclk_rcg; + (void)&dccg35_set_smclk32_se_rcg; + base = &dccg_dcn->base; base->ctx = ctx; base->funcs = &dccg35_funcs; -- 2.39.2
