diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10')
8 files changed, 651 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c new file mode 100644 index 000000000000..caf8a4a4e442 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.c @@ -0,0 +1,279 @@ +/* + * Copyright 2018 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 + * + */ + +#include <linux/slab.h> + +#include "reg_helper.h" +#include "core_types.h" +#include "clk_mgr_internal.h" +#include "rv1_clk_mgr.h" +#include "dce100/dce_clk_mgr.h" +#include "dce112/dce112_clk_mgr.h" +#include "rv1_clk_mgr_vbios_smu.h" +#include "rv1_clk_mgr_clk.h" + +static int rv1_determine_dppclk_threshold(struct clk_mgr_internal *clk_mgr, struct dc_clocks *new_clocks) +{ + bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; + bool dispclk_increase = new_clocks->dispclk_khz > clk_mgr->base.clks.dispclk_khz; + int disp_clk_threshold = new_clocks->max_supported_dppclk_khz; + bool cur_dpp_div = clk_mgr->base.clks.dispclk_khz > clk_mgr->base.clks.dppclk_khz; + + /* increase clock, looking for div is 0 for current, request div is 1*/ + if (dispclk_increase) { + /* already divided by 2, no need to reach target clk with 2 steps*/ + if (cur_dpp_div) + return new_clocks->dispclk_khz; + + /* request disp clk is lower than maximum supported dpp clk, + * no need to reach target clk with two steps. + */ + if (new_clocks->dispclk_khz <= disp_clk_threshold) + return new_clocks->dispclk_khz; + + /* target dpp clk not request divided by 2, still within threshold */ + if (!request_dpp_div) + return new_clocks->dispclk_khz; + + } else { + /* decrease clock, looking for current dppclk divided by 2, + * request dppclk not divided by 2. + */ + + /* current dpp clk not divided by 2, no need to ramp*/ + if (!cur_dpp_div) + return new_clocks->dispclk_khz; + + /* current disp clk is lower than current maximum dpp clk, + * no need to ramp + */ + if (clk_mgr->base.clks.dispclk_khz <= disp_clk_threshold) + return new_clocks->dispclk_khz; + + /* request dpp clk need to be divided by 2 */ + if (request_dpp_div) + return new_clocks->dispclk_khz; + } + + return disp_clk_threshold; +} + +static void ramp_up_dispclk_with_dpp(struct clk_mgr_internal *clk_mgr, struct dc *dc, struct dc_clocks *new_clocks) +{ + int i; + int dispclk_to_dpp_threshold = rv1_determine_dppclk_threshold(clk_mgr, new_clocks); + bool request_dpp_div = new_clocks->dispclk_khz > new_clocks->dppclk_khz; + + /* set disp clk to dpp clk threshold */ + + clk_mgr->funcs->set_dispclk(clk_mgr, dispclk_to_dpp_threshold); + clk_mgr->funcs->set_dprefclk(clk_mgr); + + + /* update request dpp clk division option */ + for (i = 0; i < dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (!pipe_ctx->plane_state) + continue; + + pipe_ctx->plane_res.dpp->funcs->dpp_dppclk_control( + pipe_ctx->plane_res.dpp, + request_dpp_div, + true); + } + + /* If target clk not same as dppclk threshold, set to target clock */ + if (dispclk_to_dpp_threshold != new_clocks->dispclk_khz) { + clk_mgr->funcs->set_dispclk(clk_mgr, new_clocks->dispclk_khz); + clk_mgr->funcs->set_dprefclk(clk_mgr); + } + + + clk_mgr->base.clks.dispclk_khz = new_clocks->dispclk_khz; + clk_mgr->base.clks.dppclk_khz = new_clocks->dppclk_khz; + clk_mgr->base.clks.max_supported_dppclk_khz = new_clocks->max_supported_dppclk_khz; +} + +static void rv1_update_clocks(struct clk_mgr *clk_mgr_base, + struct dc_state *context, + bool safe_to_lower) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dc *dc = clk_mgr_base->ctx->dc; + struct dc_debug_options *debug = &dc->debug; + struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; + struct pp_smu_funcs_rv *pp_smu = NULL; + bool send_request_to_increase = false; + bool send_request_to_lower = false; + int display_count; + + bool enter_display_off = false; + + ASSERT(clk_mgr->pp_smu); + + pp_smu = &clk_mgr->pp_smu->rv_funcs; + + display_count = clk_mgr_helper_get_active_display_cnt(dc, context); + + if (display_count == 0) + enter_display_off = true; + + if (enter_display_off == safe_to_lower) { + /* + * Notify SMU active displays + * if function pointer not set up, this message is + * sent as part of pplib_apply_display_requirements. + */ + if (pp_smu->set_display_count) + pp_smu->set_display_count(&pp_smu->pp_smu, display_count); + } + + if (new_clocks->dispclk_khz > clk_mgr_base->clks.dispclk_khz + || new_clocks->phyclk_khz > clk_mgr_base->clks.phyclk_khz + || new_clocks->fclk_khz > clk_mgr_base->clks.fclk_khz + || new_clocks->dcfclk_khz > clk_mgr_base->clks.dcfclk_khz) + send_request_to_increase = true; + + if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr_base->clks.phyclk_khz)) { + clk_mgr_base->clks.phyclk_khz = new_clocks->phyclk_khz; + send_request_to_lower = true; + } + + // F Clock + if (debug->force_fclk_khz != 0) + new_clocks->fclk_khz = debug->force_fclk_khz; + + if (should_set_clock(safe_to_lower, new_clocks->fclk_khz, clk_mgr_base->clks.fclk_khz)) { + clk_mgr_base->clks.fclk_khz = new_clocks->fclk_khz; + send_request_to_lower = true; + } + + //DCF Clock + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr_base->clks.dcfclk_khz)) { + clk_mgr_base->clks.dcfclk_khz = new_clocks->dcfclk_khz; + send_request_to_lower = true; + } + + if (should_set_clock(safe_to_lower, + new_clocks->dcfclk_deep_sleep_khz, clk_mgr_base->clks.dcfclk_deep_sleep_khz)) { + clk_mgr_base->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; + send_request_to_lower = true; + } + + /* make sure dcf clk is before dpp clk to + * make sure we have enough voltage to run dpp clk + */ + if (send_request_to_increase) { + /*use dcfclk to request voltage*/ + if (pp_smu->set_hard_min_fclk_by_freq && + pp_smu->set_hard_min_dcfclk_by_freq && + pp_smu->set_min_deep_sleep_dcfclk) { + pp_smu->set_hard_min_fclk_by_freq(&pp_smu->pp_smu, new_clocks->fclk_khz / 1000); + pp_smu->set_hard_min_dcfclk_by_freq(&pp_smu->pp_smu, new_clocks->dcfclk_khz / 1000); + pp_smu->set_min_deep_sleep_dcfclk(&pp_smu->pp_smu, (new_clocks->dcfclk_deep_sleep_khz + 999) / 1000); + } + } + + /* dcn1 dppclk is tied to dispclk */ + /* program dispclk on = as a w/a for sleep resume clock ramping issues */ + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz) + || new_clocks->dispclk_khz == clk_mgr_base->clks.dispclk_khz) { + ramp_up_dispclk_with_dpp(clk_mgr, dc, new_clocks); + clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; + send_request_to_lower = true; + } + + if (!send_request_to_increase && send_request_to_lower) { + /*use dcfclk to request voltage*/ + if (pp_smu->set_hard_min_fclk_by_freq && + pp_smu->set_hard_min_dcfclk_by_freq && + pp_smu->set_min_deep_sleep_dcfclk) { + pp_smu->set_hard_min_fclk_by_freq(&pp_smu->pp_smu, new_clocks->fclk_khz / 1000); + pp_smu->set_hard_min_dcfclk_by_freq(&pp_smu->pp_smu, new_clocks->dcfclk_khz / 1000); + pp_smu->set_min_deep_sleep_dcfclk(&pp_smu->pp_smu, (new_clocks->dcfclk_deep_sleep_khz + 999) / 1000); + } + } +} + +static void rv1_enable_pme_wa(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct pp_smu_funcs_rv *pp_smu = NULL; + + if (clk_mgr->pp_smu) { + pp_smu = &clk_mgr->pp_smu->rv_funcs; + + if (pp_smu->set_pme_wa_enable) + pp_smu->set_pme_wa_enable(&pp_smu->pp_smu); + } +} + +static struct clk_mgr_funcs rv1_clk_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .update_clocks = rv1_update_clocks, + .enable_pme_wa = rv1_enable_pme_wa, +}; + +static struct clk_mgr_internal_funcs rv1_clk_internal_funcs = { + .set_dispclk = rv1_vbios_smu_set_dispclk, + .set_dprefclk = dce112_set_dprefclk +}; + +void rv1_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_mgr, struct pp_smu_funcs *pp_smu) +{ + struct dc_debug_options *debug = &ctx->dc->debug; + struct dc_bios *bp = ctx->dc_bios; + struct dc_firmware_info fw_info = { { 0 } }; + + clk_mgr->base.ctx = ctx; + clk_mgr->pp_smu = pp_smu; + clk_mgr->base.funcs = &rv1_clk_funcs; + clk_mgr->funcs = &rv1_clk_internal_funcs; + + clk_mgr->dfs_bypass_disp_clk = 0; + + clk_mgr->dprefclk_ss_percentage = 0; + clk_mgr->dprefclk_ss_divider = 1000; + clk_mgr->ss_on_dprefclk = false; + clk_mgr->base.dprefclk_khz = 600000; + + if (bp->integrated_info) + clk_mgr->dentist_vco_freq_khz = bp->integrated_info->dentist_vco_freq; + if (clk_mgr->dentist_vco_freq_khz == 0) { + bp->funcs->get_firmware_info(bp, &fw_info); + clk_mgr->dentist_vco_freq_khz = fw_info.smu_gpu_pll_output_freq; + if (clk_mgr->dentist_vco_freq_khz == 0) + clk_mgr->dentist_vco_freq_khz = 3600000; + } + + if (!debug->disable_dfs_bypass && bp->integrated_info) + if (bp->integrated_info->gpu_cap_info & DFS_BYPASS_ENABLE) + clk_mgr->dfs_bypass_enabled = true; + + dce_clock_read_ss_info(clk_mgr); +} + + diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.h new file mode 100644 index 000000000000..0807478c8212 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr.h @@ -0,0 +1,31 @@ +/* + * Copyright 2018 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 __RV1_CLK_MGR_H__ +#define __RV1_CLK_MGR_H__ + +void rv1_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_mgr, struct pp_smu_funcs *pp_smu); + +#endif //__DCN10_CLK_MGR_H__ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_clk.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_clk.c new file mode 100644 index 000000000000..61dd12198a3c --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_clk.c @@ -0,0 +1,79 @@ +/* + * 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 + * + */ + +#include "reg_helper.h" +#include "clk_mgr_internal.h" +#include "rv1_clk_mgr_clk.h" + +#include "ip/Discovery/hwid.h" +#include "ip/Discovery/v1/ip_offset_1.h" +#include "ip/CLK/clk_10_0_default.h" +#include "ip/CLK/clk_10_0_offset.h" +#include "ip/CLK/clk_10_0_reg.h" +#include "ip/CLK/clk_10_0_sh_mask.h" + +#include "dce100/dce_clk_mgr.h" + +#define CLK_BASE_INNER(inst) \ + CLK_BASE__INST ## inst ## _SEG0 + + +#define CLK_REG(reg_name, block, inst)\ + CLK_BASE(mm ## block ## _ ## inst ## _ ## reg_name ## _BASE_IDX) + \ + mm ## block ## _ ## inst ## _ ## reg_name + +#define REG(reg_name) \ + CLK_REG(reg_name, CLK0, 0) + + +/* Only used by testing framework*/ +void rv1_dump_clk_registers(struct clk_state_registers *regs, struct clk_bypass *bypass, struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + regs->CLK0_CLK8_CURRENT_CNT = REG_READ(CLK0_CLK8_CURRENT_CNT) / 10; //dcf clk + + bypass->dcfclk_bypass = REG_READ(CLK0_CLK8_BYPASS_CNTL) & 0x0007; + if (bypass->dcfclk_bypass < 0 || bypass->dcfclk_bypass > 4) + bypass->dcfclk_bypass = 0; + + + regs->CLK0_CLK8_DS_CNTL = REG_READ(CLK0_CLK8_DS_CNTL) / 10; //dcf deep sleep divider + + regs->CLK0_CLK8_ALLOW_DS = REG_READ(CLK0_CLK8_ALLOW_DS); //dcf deep sleep allow + + regs->CLK0_CLK10_CURRENT_CNT = REG_READ(CLK0_CLK10_CURRENT_CNT) / 10; //dpref clk + + bypass->dispclk_pypass = REG_READ(CLK0_CLK10_BYPASS_CNTL) & 0x0007; + if (bypass->dispclk_pypass < 0 || bypass->dispclk_pypass > 4) + bypass->dispclk_pypass = 0; + + regs->CLK0_CLK11_CURRENT_CNT = REG_READ(CLK0_CLK11_CURRENT_CNT) / 10; //disp clk + + bypass->dprefclk_bypass = REG_READ(CLK0_CLK11_BYPASS_CNTL) & 0x0007; + if (bypass->dprefclk_bypass < 0 || bypass->dprefclk_bypass > 4) + bypass->dprefclk_bypass = 0; + +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_clk.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_clk.h new file mode 100644 index 000000000000..b68e3452efb9 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_clk.h @@ -0,0 +1,29 @@ +/* + * Copyright 2018 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_DC_DCN10_RV1_CLK_MGR_CLK_H_ +#define DAL_DC_DCN10_RV1_CLK_MGR_CLK_H_ + +#endif /* DAL_DC_DCN10_RV1_CLK_MGR_CLK_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c new file mode 100644 index 000000000000..1897e91c8ccb --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c @@ -0,0 +1,126 @@ +/* + * 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 + * + */ + +#include "core_types.h" +#include "clk_mgr_internal.h" +#include "reg_helper.h" + +#define MAX_INSTANCE 5 +#define MAX_SEGMENT 5 + +struct IP_BASE_INSTANCE { + unsigned int segment[MAX_SEGMENT]; +}; + +struct IP_BASE { + struct IP_BASE_INSTANCE instance[MAX_INSTANCE]; +}; + + +static const struct IP_BASE MP1_BASE = { { { { 0x00016000, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0 } }, + { { 0, 0, 0, 0, 0 } } } }; + +#define mmMP1_SMN_C2PMSG_91 0x29B +#define mmMP1_SMN_C2PMSG_83 0x293 +#define mmMP1_SMN_C2PMSG_67 0x283 +#define mmMP1_SMN_C2PMSG_91_BASE_IDX 0 +#define mmMP1_SMN_C2PMSG_83_BASE_IDX 0 +#define mmMP1_SMN_C2PMSG_67_BASE_IDX 0 + +#define MP1_SMN_C2PMSG_91__CONTENT_MASK 0xffffffffL +#define MP1_SMN_C2PMSG_83__CONTENT_MASK 0xffffffffL +#define MP1_SMN_C2PMSG_67__CONTENT_MASK 0xffffffffL +#define MP1_SMN_C2PMSG_91__CONTENT__SHIFT 0x00000000 +#define MP1_SMN_C2PMSG_83__CONTENT__SHIFT 0x00000000 +#define MP1_SMN_C2PMSG_67__CONTENT__SHIFT 0x00000000 + +#define REG(reg_name) \ + (MP1_BASE.instance[0].segment[mm ## reg_name ## _BASE_IDX] + mm ## reg_name) + +#define FN(reg_name, field) \ + FD(reg_name##__##field) + +#define VBIOSSMC_MSG_SetDispclkFreq 0x4 +#define VBIOSSMC_MSG_SetDprefclkFreq 0x5 + +int rv1_vbios_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, unsigned int msg_id, unsigned int param) +{ + /* First clear response register */ + REG_WRITE(MP1_SMN_C2PMSG_91, 0); + + /* Set the parameter register for the SMU message, unit is Mhz */ + REG_WRITE(MP1_SMN_C2PMSG_83, param); + + /* Trigger the message transaction by writing the message ID */ + REG_WRITE(MP1_SMN_C2PMSG_67, msg_id); + + REG_WAIT(MP1_SMN_C2PMSG_91, CONTENT, 1, 10, 200000); + + /* Actual dispclk set is returned in the parameter register */ + return REG_READ(MP1_SMN_C2PMSG_83); +} + +int rv1_vbios_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz) +{ + int actual_dispclk_set_mhz = -1; + struct dc *core_dc = clk_mgr->base.ctx->dc; + struct dmcu *dmcu = core_dc->res_pool->dmcu; + + /* Unit of SMU msg parameter is Mhz */ + actual_dispclk_set_mhz = rv1_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDispclkFreq, + requested_dispclk_khz / 1000); + + /* Actual dispclk set is returned in the parameter register */ + actual_dispclk_set_mhz = REG_READ(MP1_SMN_C2PMSG_83) * 1000; + + if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) { + if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) { + if (clk_mgr->dfs_bypass_disp_clk != actual_dispclk_set_mhz) + dmcu->funcs->set_psr_wait_loop(dmcu, + actual_dispclk_set_mhz / 7); + } + } + + return actual_dispclk_set_mhz * 1000; +} + +int rv1_vbios_smu_set_dprefclk(struct clk_mgr_internal *clk_mgr) +{ + int actual_dprefclk_set_mhz = -1; + + actual_dprefclk_set_mhz = rv1_vbios_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDprefclkFreq, + clk_mgr->base.dprefclk_khz / 1000); + + /* TODO: add code for programing DP DTO, currently this is down by command table */ + + return actual_dprefclk_set_mhz * 1000; +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.h new file mode 100644 index 000000000000..083cb3158859 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.h @@ -0,0 +1,32 @@ +/* + * Copyright 2018 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_DC_DCN10_RV1_CLK_MGR_VBIOS_SMU_H_ +#define DAL_DC_DCN10_RV1_CLK_MGR_VBIOS_SMU_H_ + +int rv1_vbios_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz); +int rv1_vbios_smu_set_dprefclk(struct clk_mgr_internal *clk_mgr); + +#endif /* DAL_DC_DCN10_RV1_CLK_MGR_VBIOS_SMU_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv2_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv2_clk_mgr.c new file mode 100644 index 000000000000..b9ba6dbc2b46 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv2_clk_mgr.c @@ -0,0 +1,43 @@ +/* + * Copyright 2018 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 + * + */ + +#include "core_types.h" +#include "clk_mgr_internal.h" +#include "rv1_clk_mgr.h" +#include "rv2_clk_mgr.h" +#include "dce112/dce112_clk_mgr.h" + +static struct clk_mgr_internal_funcs rv2_clk_internal_funcs = { + .set_dispclk = dce112_set_dispclk, + .set_dprefclk = dce112_set_dprefclk +}; + +void rv2_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_mgr, struct pp_smu_funcs *pp_smu) + +{ + rv1_clk_mgr_construct(ctx, clk_mgr, pp_smu); + + clk_mgr->funcs = &rv2_clk_internal_funcs; +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv2_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv2_clk_mgr.h new file mode 100644 index 000000000000..0c1f26ca563b --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv2_clk_mgr.h @@ -0,0 +1,32 @@ +/* + * Copyright 2018 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 __RV2_CLK_MGR_H__ +#define __RV2_CLK_MGR_H__ + +void rv2_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_mgr, struct pp_smu_funcs *pp_smu); + + +#endif //__DCN10_CLK_MGR_H__ |