diff options
author | Qingqing Zhuo <Qingqing.Zhuo@amd.com> | 2023-08-02 23:37:49 -0400 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-30 15:51:15 -0400 |
commit | 8774029f76b9806f2f3586bb0502408076767fd5 (patch) | |
tree | a464978c0ee5819f2caa3793a18908cb0c756455 | |
parent | 6f8b7565cca4b745da54b7d5f26b7b9265a5f330 (diff) | |
download | linux-stable-8774029f76b9806f2f3586bb0502408076767fd5.tar.gz linux-stable-8774029f76b9806f2f3586bb0502408076767fd5.tar.bz2 linux-stable-8774029f76b9806f2f3586bb0502408076767fd5.zip |
drm/amd/display: Add DCN35 CLK_MGR
[Why & How]
Add CLK_MGR handling for DCN35.
v2: Drop stale SMU interfaces (Alex)
Signed-off-by: Qingqing Zhuo <Qingqing.Zhuo@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile | 8 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c | 5 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c | 1001 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h | 63 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c | 453 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h | 180 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_types.h | 1 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h | 1 |
11 files changed, 1717 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index d14ffb871ae8..78e9eca419f5 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1680,6 +1680,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev) init_data.dcn_reg_offsets = adev->reg_offset[DCE_HWIP][0]; init_data.nbio_reg_offsets = adev->reg_offset[NBIO_HWIP][0]; + init_data.clk_reg_offsets = adev->reg_offset[CLK_HWIP][0]; INIT_LIST_HEAD(&adev->dm.da_list); diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile index ad390e4cd0a9..1c443e549afa 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile @@ -172,4 +172,12 @@ AMD_DAL_CLK_MGR_DCN32 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn32/,$(CLK_MGR_DC AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN32) +############################################################################### +# DCN35 +############################################################################### +CLK_MGR_DCN35 = dcn35_smu.o dcn35_clk_mgr.o + +AMD_DAL_CLK_MGR_DCN35 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn35/,$(CLK_MGR_DCN35)) + +AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN35) endif diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c index dcedf9645161..c0a2d21200ed 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c @@ -48,6 +48,7 @@ #include "dcn315/dcn315_clk_mgr.h" #include "dcn316/dcn316_clk_mgr.h" #include "dcn32/dcn32_clk_mgr.h" +#include "dcn35/dcn35_clk_mgr.h" int clk_mgr_helper_get_active_display_cnt( struct dc *dc, @@ -405,6 +406,10 @@ void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr_base) dcn314_clk_mgr_destroy(clk_mgr); break; + case AMDGPU_FAMILY_GC_11_5_0: + dcn35_clk_mgr_destroy(clk_mgr); + break; + default: break; } diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c new file mode 100644 index 000000000000..3b2463c03694 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.c @@ -0,0 +1,1001 @@ +/* + * Copyright 2022 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 "dcn35_clk_mgr.h" + +#include "dccg.h" +#include "clk_mgr_internal.h" + +// For dce12_get_dp_ref_freq_khz +#include "dce100/dce_clk_mgr.h" + +// For dcn20_update_clocks_update_dpp_dto +#include "dcn20/dcn20_clk_mgr.h" + + + + +#include "reg_helper.h" +#include "core_types.h" +#include "dcn35_smu.h" +#include "dm_helpers.h" + +/* TODO: remove this include once we ported over remaining clk mgr functions*/ +#include "dcn30/dcn30_clk_mgr.h" +#include "dcn31/dcn31_clk_mgr.h" +#include "dcn35_clk_mgr.h" + +#include "dc_dmub_srv.h" +#include "link.h" +#include "logger_types.h" +#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 + +#define CLK1_CLK_PLL_REQ__FbMult_int__SHIFT 0x0 +#define CLK1_CLK_PLL_REQ__PllSpineDiv__SHIFT 0xc +#define CLK1_CLK_PLL_REQ__FbMult_frac__SHIFT 0x10 +#define CLK1_CLK_PLL_REQ__FbMult_int_MASK 0x000001FFL +#define CLK1_CLK_PLL_REQ__PllSpineDiv_MASK 0x0000F000L +#define CLK1_CLK_PLL_REQ__FbMult_frac_MASK 0xFFFF0000L + +#define regCLK1_CLK2_BYPASS_CNTL 0x029c +#define regCLK1_CLK2_BYPASS_CNTL_BASE_IDX 0 + +#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_SEL__SHIFT 0x0 +#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_DIV__SHIFT 0x10 +#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_SEL_MASK 0x00000007L +#define CLK1_CLK2_BYPASS_CNTL__CLK2_BYPASS_DIV_MASK 0x000F0000L + +#define REG(reg_name) \ + (ctx->clk_reg_offsets[reg ## reg_name ## _BASE_IDX] + reg ## reg_name) + +#define TO_CLK_MGR_DCN35(clk_mgr)\ + container_of(clk_mgr, struct clk_mgr_dcn35, base) + +static int dcn35_get_active_display_cnt_wa( + struct dc *dc, + struct dc_state *context) +{ + int i, display_count; + bool tmds_present = false; + + display_count = 0; + for (i = 0; i < context->stream_count; i++) { + const struct dc_stream_state *stream = context->streams[i]; + + if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A || + stream->signal == SIGNAL_TYPE_DVI_SINGLE_LINK || + stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) + tmds_present = true; + } + + for (i = 0; i < dc->link_count; i++) { + const struct dc_link *link = dc->links[i]; + + /* abusing the fact that the dig and phy are coupled to see if the phy is enabled */ + if (link->link_enc && link->link_enc->funcs->is_dig_enabled && + link->link_enc->funcs->is_dig_enabled(link->link_enc)) + display_count++; + } + + /* WA for hang on HDMI after display off back on*/ + if (display_count == 0 && tmds_present) + display_count = 1; + + return display_count; +} + +static void dcn35_disable_otg_wa(struct clk_mgr *clk_mgr_base, struct dc_state *context, bool disable) +{ + struct dc *dc = clk_mgr_base->ctx->dc; + int i; + + for (i = 0; i < dc->res_pool->pipe_count; ++i) { + struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i]; + + if (pipe->top_pipe || pipe->prev_odm_pipe) + continue; + if (pipe->stream && (pipe->stream->dpms_off || dc_is_virtual_signal(pipe->stream->signal))) { + struct stream_encoder *stream_enc = pipe->stream_res.stream_enc; + + if (disable) { + if (stream_enc && stream_enc->funcs->disable_fifo) + pipe->stream_res.stream_enc->funcs->disable_fifo(stream_enc); + + pipe->stream_res.tg->funcs->immediate_disable_crtc(pipe->stream_res.tg); + reset_sync_context_for_pipe(dc, context, i); + } else { + pipe->stream_res.tg->funcs->enable_crtc(pipe->stream_res.tg); + + if (stream_enc && stream_enc->funcs->enable_fifo) + pipe->stream_res.stream_enc->funcs->enable_fifo(stream_enc); + } + } + } +} + +static void dcn35_update_clocks_update_dtb_dto(struct clk_mgr_internal *clk_mgr, + struct dc_state *context, + int ref_dtbclk_khz) +{ + struct dccg *dccg = clk_mgr->dccg; + uint32_t tg_mask = 0; + int i; + + for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { + struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i]; + struct dtbclk_dto_params dto_params = {0}; + + /* use mask to program DTO once per tg */ + if (pipe_ctx->stream_res.tg && + !(tg_mask & (1 << pipe_ctx->stream_res.tg->inst))) { + tg_mask |= (1 << pipe_ctx->stream_res.tg->inst); + + dto_params.otg_inst = pipe_ctx->stream_res.tg->inst; + dto_params.ref_dtbclk_khz = ref_dtbclk_khz; + + dccg->funcs->set_dtbclk_dto(clk_mgr->dccg, &dto_params); + //dccg->funcs->set_audio_dtbclk_dto(clk_mgr->dccg, &dto_params); + } + } +} + +static void dcn35_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr, + struct dc_state *context, bool safe_to_lower) +{ + int i; + bool dppclk_active[MAX_PIPES] = {0}; + + + clk_mgr->dccg->ref_dppclk = clk_mgr->base.clks.dppclk_khz; + for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { + int dpp_inst = 0, dppclk_khz, prev_dppclk_khz; + + dppclk_khz = context->res_ctx.pipe_ctx[i].plane_res.bw.dppclk_khz; + + if (context->res_ctx.pipe_ctx[i].plane_res.dpp) + dpp_inst = context->res_ctx.pipe_ctx[i].plane_res.dpp->inst; + else if (!context->res_ctx.pipe_ctx[i].plane_res.dpp && dppclk_khz == 0) { + /* dpp == NULL && dppclk_khz == 0 is valid because of pipe harvesting. + * In this case just continue in loop + */ + continue; + } else if (!context->res_ctx.pipe_ctx[i].plane_res.dpp && dppclk_khz > 0) { + /* The software state is not valid if dpp resource is NULL and + * dppclk_khz > 0. + */ + ASSERT(false); + continue; + } + + prev_dppclk_khz = clk_mgr->dccg->pipe_dppclk_khz[i]; + + if (safe_to_lower || prev_dppclk_khz < dppclk_khz) + clk_mgr->dccg->funcs->update_dpp_dto( + clk_mgr->dccg, dpp_inst, dppclk_khz); + dppclk_active[dpp_inst] = true; + } + if (safe_to_lower) + for (i = 0; i < clk_mgr->base.ctx->dc->res_pool->pipe_count; i++) { + struct dpp *old_dpp = clk_mgr->base.ctx->dc->current_state->res_ctx.pipe_ctx[i].plane_res.dpp; + + if (old_dpp && !dppclk_active[old_dpp->inst]) + clk_mgr->dccg->funcs->update_dpp_dto(clk_mgr->dccg, old_dpp->inst, 0); + } +} + +void dcn35_update_clocks(struct clk_mgr *clk_mgr_base, + struct dc_state *context, + bool safe_to_lower) +{ + union dmub_rb_cmd cmd; + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; + struct dc *dc = clk_mgr_base->ctx->dc; + int display_count; + bool update_dppclk = false; + bool update_dispclk = false; + bool dpp_clock_lowered = false; + + if (dc->work_arounds.skip_clock_update) + return; + + /* + * 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 + */ + if (safe_to_lower) { + if (new_clocks->zstate_support != DCN_ZSTATE_SUPPORT_DISALLOW && + new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) { + dcn35_smu_set_zstate_support(clk_mgr, new_clocks->zstate_support); + dm_helpers_enable_periodic_detection(clk_mgr_base->ctx, true); + clk_mgr_base->clks.zstate_support = new_clocks->zstate_support; + } + + if (clk_mgr_base->clks.dtbclk_en && !new_clocks->dtbclk_en) { + dcn35_smu_set_dtbclk(clk_mgr, false); + clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; + } + /* check that we're not already in lower */ + if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { + display_count = dcn35_get_active_display_cnt_wa(dc, context); + /* if we can go lower, go lower */ + if (display_count == 0) + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; + } + } else { + if (new_clocks->zstate_support == DCN_ZSTATE_SUPPORT_DISALLOW && + new_clocks->zstate_support != clk_mgr_base->clks.zstate_support) { + dcn35_smu_set_zstate_support(clk_mgr, DCN_ZSTATE_SUPPORT_DISALLOW); + dm_helpers_enable_periodic_detection(clk_mgr_base->ctx, false); + clk_mgr_base->clks.zstate_support = new_clocks->zstate_support; + } + + if (!clk_mgr_base->clks.dtbclk_en && new_clocks->dtbclk_en) { + dcn35_smu_set_dtbclk(clk_mgr, true); + dcn35_update_clocks_update_dtb_dto(clk_mgr, context, clk_mgr_base->clks.ref_dtbclk_khz); + clk_mgr_base->clks.dtbclk_en = new_clocks->dtbclk_en; + } + + /* check that we're not already in D0 */ + if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_MISSION_MODE) { + union display_idle_optimization_u idle_info = { 0 }; + + dcn35_smu_set_display_idle_optimization(clk_mgr, idle_info.data); + /* update power state */ + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_MISSION_MODE; + } + } + if (dc->debug.force_min_dcfclk_mhz > 0) + new_clocks->dcfclk_khz = (new_clocks->dcfclk_khz > (dc->debug.force_min_dcfclk_mhz * 1000)) ? + new_clocks->dcfclk_khz : (dc->debug.force_min_dcfclk_mhz * 1000); + + 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; + dcn35_smu_set_hard_min_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_khz); + } + + 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; + dcn35_smu_set_min_deep_sleep_dcfclk(clk_mgr, clk_mgr_base->clks.dcfclk_deep_sleep_khz); + } + + // workaround: Limit dppclk to 100Mhz to avoid lower eDP panel switch to plus 4K monitor underflow. + if (new_clocks->dppclk_khz < 100000) + new_clocks->dppclk_khz = 100000; + + if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->base.clks.dppclk_khz)) { + if (clk_mgr->base.clks.dppclk_khz > new_clocks->dppclk_khz) + dpp_clock_lowered = true; + clk_mgr_base->clks.dppclk_khz = new_clocks->dppclk_khz; + update_dppclk = true; + } + + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr_base->clks.dispclk_khz)) { + dcn35_disable_otg_wa(clk_mgr_base, context, true); + + clk_mgr_base->clks.dispclk_khz = new_clocks->dispclk_khz; + dcn35_smu_set_dispclk(clk_mgr, clk_mgr_base->clks.dispclk_khz); + dcn35_disable_otg_wa(clk_mgr_base, context, false); + + update_dispclk = true; + } + + if (!new_clocks->dtbclk_en) { + new_clocks->ref_dtbclk_khz = 600000; + } + + /* clock limits are received with MHz precision, divide by 1000 to prevent setting clocks at every call */ + if (!dc->debug.disable_dtb_ref_clk_switch && + should_set_clock(safe_to_lower, new_clocks->ref_dtbclk_khz / 1000, clk_mgr_base->clks.ref_dtbclk_khz / 1000)) { + /* DCCG requires KHz precision for DTBCLK */ + dcn35_smu_set_dtbclk(clk_mgr, true); + + dcn35_update_clocks_update_dtb_dto(clk_mgr, context, clk_mgr_base->clks.ref_dtbclk_khz); + } + + if (dpp_clock_lowered) { + // increase per DPP DTO before lowering global dppclk + dcn35_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + dcn35_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + } else { + // increase global DPPCLK before lowering per DPP DTO + if (update_dppclk || update_dispclk) + dcn35_smu_set_dppclk(clk_mgr, clk_mgr_base->clks.dppclk_khz); + dcn35_update_clocks_update_dpp_dto(clk_mgr, context, safe_to_lower); + } + + // notify DMCUB of latest clocks + memset(&cmd, 0, sizeof(cmd)); + cmd.notify_clocks.header.type = DMUB_CMD__CLK_MGR; + cmd.notify_clocks.header.sub_type = DMUB_CMD__CLK_MGR_NOTIFY_CLOCKS; + cmd.notify_clocks.clocks.dcfclk_khz = clk_mgr_base->clks.dcfclk_khz; + cmd.notify_clocks.clocks.dcfclk_deep_sleep_khz = + clk_mgr_base->clks.dcfclk_deep_sleep_khz; + cmd.notify_clocks.clocks.dispclk_khz = clk_mgr_base->clks.dispclk_khz; + cmd.notify_clocks.clocks.dppclk_khz = clk_mgr_base->clks.dppclk_khz; + + dm_execute_dmub_cmd(dc->ctx, &cmd, DM_DMUB_WAIT_TYPE_WAIT); +} + +static int get_vco_frequency_from_reg(struct clk_mgr_internal *clk_mgr) +{ + /* get FbMult value */ + struct fixed31_32 pll_req; + unsigned int fbmult_frac_val = 0; + unsigned int fbmult_int_val = 0; + struct dc_context *ctx = clk_mgr->base.ctx; + + /* + * Register value of fbmult is in 8.16 format, we are converting to 314.32 + * to leverage the fix point operations available in driver + */ + + REG_GET(CLK1_CLK_PLL_REQ, FbMult_frac, &fbmult_frac_val); /* 16 bit fractional part*/ + REG_GET(CLK1_CLK_PLL_REQ, FbMult_int, &fbmult_int_val); /* 8 bit integer part */ + + pll_req = dc_fixpt_from_int(fbmult_int_val); + + /* + * since fractional part is only 16 bit in register definition but is 32 bit + * in our fix point definiton, need to shift left by 16 to obtain correct value + */ + pll_req.value |= fbmult_frac_val << 16; + + /* multiply by REFCLK period */ + pll_req = dc_fixpt_mul_int(pll_req, clk_mgr->dfs_ref_freq_khz); + + /* integer part is now VCO frequency in kHz */ + return dc_fixpt_floor(pll_req); +} + +static void dcn35_enable_pme_wa(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + dcn35_smu_enable_pme_wa(clk_mgr); +} + +void dcn35_init_clocks(struct clk_mgr *clk_mgr) +{ + uint32_t ref_dtbclk = clk_mgr->clks.ref_dtbclk_khz; + + memset(&(clk_mgr->clks), 0, sizeof(struct dc_clocks)); + + // Assumption is that boot state always supports pstate + clk_mgr->clks.ref_dtbclk_khz = ref_dtbclk; // restore ref_dtbclk + clk_mgr->clks.p_state_change_support = true; + clk_mgr->clks.prev_p_state_change_support = true; + clk_mgr->clks.pwr_state = DCN_PWR_STATE_UNKNOWN; + clk_mgr->clks.zstate_support = DCN_ZSTATE_SUPPORT_UNKNOWN; +} + +bool dcn35_are_clock_states_equal(struct dc_clocks *a, + struct dc_clocks *b) +{ + if (a->dispclk_khz != b->dispclk_khz) + return false; + else if (a->dppclk_khz != b->dppclk_khz) + return false; + else if (a->dcfclk_khz != b->dcfclk_khz) + return false; + else if (a->dcfclk_deep_sleep_khz != b->dcfclk_deep_sleep_khz) + return false; + else if (a->zstate_support != b->zstate_support) + return false; + else if (a->dtbclk_en != b->dtbclk_en) + return false; + + return true; +} + +static void dcn35_dump_clk_registers(struct clk_state_registers_and_bypass *regs_and_bypass, + struct clk_mgr *clk_mgr_base, struct clk_log_info *log_info) +{ + +} + +static struct clk_bw_params dcn35_bw_params = { + .vram_type = Ddr4MemType, + .num_channels = 1, + .clk_table = { + .num_entries = 4, + }, + +}; + +static struct wm_table ddr5_wm_table = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 9, + .sr_enter_plus_exit_time_us = 11, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 9, + .sr_enter_plus_exit_time_us = 11, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 9, + .sr_enter_plus_exit_time_us = 11, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.72, + .sr_exit_time_us = 9, + .sr_enter_plus_exit_time_us = 11, + .valid = true, + }, + } +}; + +static struct wm_table lpddr5_wm_table = { + .entries = { + { + .wm_inst = WM_A, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + { + .wm_inst = WM_B, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + { + .wm_inst = WM_C, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + { + .wm_inst = WM_D, + .wm_type = WM_TYPE_PSTATE_CHG, + .pstate_latency_us = 11.65333, + .sr_exit_time_us = 11.5, + .sr_enter_plus_exit_time_us = 14.5, + .valid = true, + }, + } +}; + +static DpmClocks_t dummy_clocks; + +static struct dcn35_watermarks dummy_wms = { 0 }; + +static struct dcn35_ss_info_table ss_info_table = { + .ss_divider = 1000, + .ss_percentage = {0, 0, 375, 375, 375} +}; + +static void dcn35_build_watermark_ranges(struct clk_bw_params *bw_params, struct dcn35_watermarks *table) +{ + int i, num_valid_sets; + + num_valid_sets = 0; + + for (i = 0; i < WM_SET_COUNT; i++) { + /* skip empty entries, the smu array has no holes*/ + if (!bw_params->wm_table.entries[i].valid) + continue; + + table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmSetting = bw_params->wm_table.entries[i].wm_inst; + table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType = bw_params->wm_table.entries[i].wm_type; + /* We will not select WM based on fclk, so leave it as unconstrained */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0; + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF; + + if (table->WatermarkRow[WM_DCFCLK][num_valid_sets].WmType == WM_TYPE_PSTATE_CHG) { + if (i == 0) + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = 0; + else { + /* add 1 to make it non-overlapping with next lvl */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinMclk = + bw_params->clk_table.entries[i - 1].dcfclk_mhz + 1; + } + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxMclk = + bw_params->clk_table.entries[i].dcfclk_mhz; + + } else { + /* unconstrained for memory retraining */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MinClock = 0; + table->WatermarkRow[WM_DCFCLK][num_valid_sets].MaxClock = 0xFFFF; + + /* Modify previous watermark range to cover up to max */ + table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF; + } + num_valid_sets++; + } + + ASSERT(num_valid_sets != 0); /* Must have at least one set of valid watermarks */ + + /* modify the min and max to make sure we cover the whole range*/ + table->WatermarkRow[WM_DCFCLK][0].MinMclk = 0; + table->WatermarkRow[WM_DCFCLK][0].MinClock = 0; + table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxMclk = 0xFFFF; + table->WatermarkRow[WM_DCFCLK][num_valid_sets - 1].MaxClock = 0xFFFF; + + /* This is for writeback only, does not matter currently as no writeback support*/ + table->WatermarkRow[WM_SOCCLK][0].WmSetting = WM_A; + table->WatermarkRow[WM_SOCCLK][0].MinClock = 0; + table->WatermarkRow[WM_SOCCLK][0].MaxClock = 0xFFFF; + table->WatermarkRow[WM_SOCCLK][0].MinMclk = 0; + table->WatermarkRow[WM_SOCCLK][0].MaxMclk = 0xFFFF; +} + +static void dcn35_notify_wm_ranges(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + struct clk_mgr_dcn35 *clk_mgr_dcn35 = TO_CLK_MGR_DCN35(clk_mgr); + struct dcn35_watermarks *table = clk_mgr_dcn35->smu_wm_set.wm_set; + + if (!clk_mgr->smu_ver) + return; + + if (!table || clk_mgr_dcn35->smu_wm_set.mc_address.quad_part == 0) + return; + + memset(table, 0, sizeof(*table)); + + dcn35_build_watermark_ranges(clk_mgr_base->bw_params, table); + + dcn35_smu_set_dram_addr_high(clk_mgr, + clk_mgr_dcn35->smu_wm_set.mc_address.high_part); + dcn35_smu_set_dram_addr_low(clk_mgr, + clk_mgr_dcn35->smu_wm_set.mc_address.low_part); + dcn35_smu_transfer_wm_table_dram_2_smu(clk_mgr); +} + +static void dcn35_get_dpm_table_from_smu(struct clk_mgr_internal *clk_mgr, + struct dcn35_smu_dpm_clks *smu_dpm_clks) +{ + DpmClocks_t *table = smu_dpm_clks->dpm_clks; + + if (!clk_mgr->smu_ver) + return; + + if (!table || smu_dpm_clks->mc_address.quad_part == 0) + return; + + memset(table, 0, sizeof(*table)); + + dcn35_smu_set_dram_addr_high(clk_mgr, + smu_dpm_clks->mc_address.high_part); + dcn35_smu_set_dram_addr_low(clk_mgr, + smu_dpm_clks->mc_address.low_part); + dcn35_smu_transfer_dpm_table_smu_2_dram(clk_mgr); +} + +static uint32_t find_max_clk_value(const uint32_t clocks[], uint32_t num_clocks) +{ + uint32_t max = 0; + int i; + + for (i = 0; i < num_clocks; ++i) { + if (clocks[i] > max) + max = clocks[i]; + } + + return max; +} + +static unsigned int find_clk_for_voltage( + const DpmClocks_t *clock_table, + const uint32_t clocks[], + unsigned int voltage) +{ + int i; + int max_voltage = 0; + int clock = 0; + + for (i = 0; i < NUM_SOC_VOLTAGE_LEVELS; i++) { + if (clock_table->SocVoltage[i] == voltage) { + return clocks[i]; + } else if (clock_table->SocVoltage[i] >= max_voltage && + clock_table->SocVoltage[i] < voltage) { + max_voltage = clock_table->SocVoltage[i]; + clock = clocks[i]; + } + } + + ASSERT(clock); + return clock; +} + +static void dcn35_clk_mgr_helper_populate_bw_params(struct clk_mgr_internal *clk_mgr, + struct integrated_info *bios_info, + const DpmClocks_t *clock_table) +{ + int i, j; + struct clk_bw_params *bw_params = clk_mgr->base.bw_params; + uint32_t max_dispclk = 0, max_dppclk = 0; + + j = -1; + + ASSERT(NUM_DF_PSTATE_LEVELS <= MAX_NUM_DPM_LVL); + + /* Find lowest DPM, FCLK is filled in reverse order*/ + + for (i = NUM_DF_PSTATE_LEVELS - 1; i >= 0; i--) { + if (clock_table->DfPstateTable[i].FClk != 0) { + j = i; + break; + } + } + + if (j == -1) { + /* clock table is all 0s, just use our own hardcode */ + ASSERT(0); + return; + } + + bw_params->clk_table.num_entries = j + 1; + + /* dispclk and dppclk can be max at any voltage, same number of levels for both */ + if (clock_table->NumDispClkLevelsEnabled <= NUM_DISPCLK_DPM_LEVELS && + clock_table->NumDispClkLevelsEnabled <= NUM_DPPCLK_DPM_LEVELS) { + max_dispclk = find_max_clk_value(clock_table->DispClocks, clock_table->NumDispClkLevelsEnabled); + max_dppclk = find_max_clk_value(clock_table->DppClocks, clock_table->NumDispClkLevelsEnabled); + } else { + ASSERT(0); + } + + for (i = 0; i < bw_params->clk_table.num_entries; i++, j--) { + bw_params->clk_table.entries[i].fclk_mhz = clock_table->DfPstateTable[j].FClk; + bw_params->clk_table.entries[i].memclk_mhz = clock_table->DfPstateTable[j].MemClk; + bw_params->clk_table.entries[i].voltage = clock_table->DfPstateTable[j].Voltage; + switch (clock_table->DfPstateTable[j].WckRatio) { + case WCK_RATIO_1_2: + bw_params->clk_table.entries[i].wck_ratio = 2; + break; + case WCK_RATIO_1_4: + bw_params->clk_table.entries[i].wck_ratio = 4; + break; + default: + bw_params->clk_table.entries[i].wck_ratio = 1; + } + bw_params->clk_table.entries[i].dcfclk_mhz = find_clk_for_voltage(clock_table, clock_table->DcfClocks, clock_table->DfPstateTable[j].Voltage); + bw_params->clk_table.entries[i].socclk_mhz = find_clk_for_voltage(clock_table, clock_table->SocClocks, clock_table->DfPstateTable[j].Voltage); + bw_params->clk_table.entries[i].dispclk_mhz = max_dispclk; + bw_params->clk_table.entries[i].dppclk_mhz = max_dppclk; + } + + bw_params->vram_type = bios_info->memory_type; + bw_params->num_channels = bios_info->ma_channel_number ? bios_info->ma_channel_number : 4; + + for (i = 0; i < WM_SET_COUNT; i++) { + bw_params->wm_table.entries[i].wm_inst = i; + + if (i >= bw_params->clk_table.num_entries) { + bw_params->wm_table.entries[i].valid = false; + continue; + } + + bw_params->wm_table.entries[i].wm_type = WM_TYPE_PSTATE_CHG; + bw_params->wm_table.entries[i].valid = true; + } +} + +static void dcn35_set_low_power_state(struct clk_mgr *clk_mgr_base) +{ + int display_count; + struct dc *dc = clk_mgr_base->ctx->dc; + struct dc_state *context = dc->current_state; + + if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) { + display_count = dcn35_get_active_display_cnt_wa(dc, context); + /* if we can go lower, go lower */ + if (display_count == 0) + clk_mgr_base->clks.pwr_state = DCN_PWR_STATE_LOW_POWER; + } +} + +static void dcn35_exit_low_power_state(struct clk_mgr *clk_mgr_base) +{ + struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base); + + //SMU optimization is performed part of low power state exit. + dcn35_smu_exit_low_power_state(clk_mgr); + +} + +static void dcn35_init_clocks_fpga(struct clk_mgr *clk_mgr) +{ + dcn35_init_clocks(clk_mgr); + +/* TODO: Implement the functions and remove the ifndef guard */ +} + +static void dcn35_update_clocks_fpga(struct clk_mgr *clk_mgr, + struct dc_state *context, + bool safe_to_lower) +{ + struct clk_mgr_internal *clk_mgr_int = TO_CLK_MGR_INTERNAL(clk_mgr); + struct dc_clocks *new_clocks = &context->bw_ctx.bw.dcn.clk; + int fclk_adj = new_clocks->fclk_khz; + + /* TODO: remove this after correctly set by DML */ + new_clocks->dcfclk_khz = 400000; + new_clocks->socclk_khz = 400000; + + /* Min fclk = 1.2GHz since all the extra scemi logic seems to run off of it */ + //int fclk_adj = new_clocks->fclk_khz > 1200000 ? new_clocks->fclk_khz : 1200000; + new_clocks->fclk_khz = 4320000; + + if (should_set_clock(safe_to_lower, new_clocks->phyclk_khz, clk_mgr->clks.phyclk_khz)) { + clk_mgr->clks.phyclk_khz = new_clocks->phyclk_khz; + } + + if (should_set_clock(safe_to_lower, new_clocks->dcfclk_khz, clk_mgr->clks.dcfclk_khz)) { + clk_mgr->clks.dcfclk_khz = new_clocks->dcfclk_khz; + } + + if (should_set_clock(safe_to_lower, + new_clocks->dcfclk_deep_sleep_khz, clk_mgr->clks.dcfclk_deep_sleep_khz)) { + clk_mgr->clks.dcfclk_deep_sleep_khz = new_clocks->dcfclk_deep_sleep_khz; + } + + if (should_set_clock(safe_to_lower, new_clocks->socclk_khz, clk_mgr->clks.socclk_khz)) { + clk_mgr->clks.socclk_khz = new_clocks->socclk_khz; + } + + if (should_set_clock(safe_to_lower, new_clocks->dramclk_khz, clk_mgr->clks.dramclk_khz)) { + clk_mgr->clks.dramclk_khz = new_clocks->dramclk_khz; + } + + if (should_set_clock(safe_to_lower, new_clocks->dppclk_khz, clk_mgr->clks.dppclk_khz)) { + clk_mgr->clks.dppclk_khz = new_clocks->dppclk_khz; + } + + if (should_set_clock(safe_to_lower, fclk_adj, clk_mgr->clks.fclk_khz)) { + clk_mgr->clks.fclk_khz = fclk_adj; + } + + if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, clk_mgr->clks.dispclk_khz)) { + clk_mgr->clks.dispclk_khz = new_clocks->dispclk_khz; + } + + /* Both fclk and ref_dppclk run on the same scemi clock. + * So take the higher value since the DPP DTO is typically programmed + * such that max dppclk is 1:1 with ref_dppclk. + */ + if (clk_mgr->clks.fclk_khz > clk_mgr->clks.dppclk_khz) + clk_mgr->clks.dppclk_khz = clk_mgr->clks.fclk_khz; + if (clk_mgr->clks.dppclk_khz > clk_mgr->clks.fclk_khz) + clk_mgr->clks.fclk_khz = clk_mgr->clks.dppclk_khz; + + // Both fclk and ref_dppclk run on the same scemi clock. + clk_mgr_int->dccg->ref_dppclk = clk_mgr->clks.fclk_khz; + + /* TODO: set dtbclk in correct place */ + clk_mgr->clks.dtbclk_en = true; + dm_set_dcn_clocks(clk_mgr->ctx, &clk_mgr->clks); + dcn35_update_clocks_update_dpp_dto(clk_mgr_int, context, safe_to_lower); + + dcn35_update_clocks_update_dtb_dto(clk_mgr_int, context, clk_mgr->clks.ref_dtbclk_khz); +} + +static struct clk_mgr_funcs dcn35_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz, + .update_clocks = dcn35_update_clocks, + .init_clocks = dcn35_init_clocks, + .enable_pme_wa = dcn35_enable_pme_wa, + .are_clock_states_equal = dcn35_are_clock_states_equal, + .notify_wm_ranges = dcn35_notify_wm_ranges, + .set_low_power_state = dcn35_set_low_power_state, + .exit_low_power_state = dcn35_exit_low_power_state, +}; + +struct clk_mgr_funcs dcn35_fpga_funcs = { + .get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz, + .update_clocks = dcn35_update_clocks_fpga, + .init_clocks = dcn35_init_clocks_fpga, + .get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz, +}; + +static void dcn35_read_ss_info_from_lut(struct clk_mgr_internal *clk_mgr) +{ + uint32_t clock_source; + struct dc_context *ctx = clk_mgr->base.ctx; + + REG_GET(CLK1_CLK2_BYPASS_CNTL, CLK2_BYPASS_SEL, &clock_source); + + clk_mgr->dprefclk_ss_percentage = ss_info_table.ss_percentage[clock_source]; + + if (clk_mgr->dprefclk_ss_percentage != 0) { + clk_mgr->ss_on_dprefclk = true; + clk_mgr->dprefclk_ss_divider = ss_info_table.ss_divider; + } +} + +void dcn35_clk_mgr_construct( + struct dc_context *ctx, + struct clk_mgr_dcn35 *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg) +{ + struct dcn35_smu_dpm_clks smu_dpm_clks = { 0 }; + struct clk_log_info log_info = {0}; + clk_mgr->base.base.ctx = ctx; + clk_mgr->base.base.funcs = &dcn35_funcs; + + clk_mgr->base.pp_smu = pp_smu; + + clk_mgr->base.dccg = dccg; + clk_mgr->base.dfs_bypass_disp_clk = 0; + + clk_mgr->base.dprefclk_ss_percentage = 0; + clk_mgr->base.dprefclk_ss_divider = 1000; + clk_mgr->base.ss_on_dprefclk = false; + clk_mgr->base.dfs_ref_freq_khz = 48000; + + clk_mgr->smu_wm_set.wm_set = (struct dcn35_watermarks *)dm_helpers_allocate_gpu_mem( + clk_mgr->base.base.ctx, + DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + sizeof(struct dcn35_watermarks), + &clk_mgr->smu_wm_set.mc_address.quad_part); + + if (!clk_mgr->smu_wm_set.wm_set) { + clk_mgr->smu_wm_set.wm_set = &dummy_wms; + clk_mgr->smu_wm_set.mc_address.quad_part = 0; + } + ASSERT(clk_mgr->smu_wm_set.wm_set); + + smu_dpm_clks.dpm_clks = (DpmClocks_t *)dm_helpers_allocate_gpu_mem( + clk_mgr->base.base.ctx, + DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + sizeof(DpmClocks_t), + &smu_dpm_clks.mc_address.quad_part); + + if (smu_dpm_clks.dpm_clks == NULL) { + smu_dpm_clks.dpm_clks = &dummy_clocks; + smu_dpm_clks.mc_address.quad_part = 0; + } + + ASSERT(smu_dpm_clks.dpm_clks); + + clk_mgr->base.smu_ver = dcn35_smu_get_smu_version(&clk_mgr->base); + + if (clk_mgr->base.smu_ver) + clk_mgr->base.smu_present = true; + + /* TODO: Check we get what we expect during bringup */ + clk_mgr->base.base.dentist_vco_freq_khz = get_vco_frequency_from_reg(&clk_mgr->base); + + if (ctx->dc_bios->integrated_info->memory_type == LpDdr5MemType) { + dcn35_bw_params.wm_table = lpddr5_wm_table; + } else { + dcn35_bw_params.wm_table = ddr5_wm_table; + } + /* Saved clocks configured at boot for debug purposes */ + dcn35_dump_clk_registers(&clk_mgr->base.base.boot_snapshot, &clk_mgr->base.base, &log_info); + + clk_mgr->base.base.dprefclk_khz = dcn35_smu_get_dprefclk(&clk_mgr->base); + clk_mgr->base.base.clks.ref_dtbclk_khz = dcn35_smu_get_dtbclk(&clk_mgr->base); + + if (!clk_mgr->base.base.clks.ref_dtbclk_khz) + dcn35_smu_set_dtbclk(&clk_mgr->base, true); + + clk_mgr->base.base.clks.dtbclk_en = true; + dce_clock_read_ss_info(&clk_mgr->base); + /*when clk src is from FCH, it could have ss, same clock src as DPREF clk*/ + + dcn35_read_ss_info_from_lut(&clk_mgr->base); + clk_mgr->base.base.dprefclk_khz = + dce_adjust_dp_ref_freq_for_ss(&clk_mgr->base, clk_mgr->base.base.dprefclk_khz); + + clk_mgr->base.base.bw_params = &dcn35_bw_params; + + if (clk_mgr->base.base.ctx->dc->debug.pstate_enabled) { + int i; + dcn35_get_dpm_table_from_smu(&clk_mgr->base, &smu_dpm_clks); + DC_LOG_SMU("NumDcfClkLevelsEnabled: %d\n" + "NumDispClkLevelsEnabled: %d\n" + "NumSocClkLevelsEnabled: %d\n" + "VcnClkLevelsEnabled: %d\n" + "NumDfPst atesEnabled: %d\n" + "MinGfxClk: %d\n" + "MaxGfxClk: %d\n", + smu_dpm_clks.dpm_clks->NumDcfClkLevelsEnabled, + smu_dpm_clks.dpm_clks->NumDispClkLevelsEnabled, + smu_dpm_clks.dpm_clks->NumSocClkLevelsEnabled, + smu_dpm_clks.dpm_clks->VcnClkLevelsEnabled, + smu_dpm_clks.dpm_clks->NumDfPstatesEnabled, + smu_dpm_clks.dpm_clks->MinGfxClk, + smu_dpm_clks.dpm_clks->MaxGfxClk); + for (i = 0; i < smu_dpm_clks.dpm_clks->NumDcfClkLevelsEnabled; i++) { + DC_LOG_SMU("smu_dpm_clks.dpm_clks->DcfClocks[%d] = %d\n", + i, + smu_dpm_clks.dpm_clks->DcfClocks[i]); + } + for (i = 0; i < smu_dpm_clks.dpm_clks->NumDispClkLevelsEnabled; i++) { + DC_LOG_SMU("smu_dpm_clks.dpm_clks->DispClocks[%d] = %d\n", + i, smu_dpm_clks.dpm_clks->DispClocks[i]); + } + for (i = 0; i < smu_dpm_clks.dpm_clks->NumSocClkLevelsEnabled; i++) { + DC_LOG_SMU("smu_dpm_clks.dpm_clks->SocClocks[%d] = %d\n", + i, smu_dpm_clks.dpm_clks->SocClocks[i]); + } + for (i = 0; i < NUM_SOC_VOLTAGE_LEVELS; i++) + DC_LOG_SMU("smu_dpm_clks.dpm_clks->SocVoltage[%d] = %d\n", + i, smu_dpm_clks.dpm_clks->SocVoltage[i]); + + for (i = 0; i < NUM_DF_PSTATE_LEVELS; i++) { + DC_LOG_SMU("smu_dpm_clks.dpm_clks.DfPstateTable[%d].FClk = %d\n" + "smu_dpm_clks.dpm_clks->DfPstateTable[%d].MemClk= %d\n" + "smu_dpm_clks.dpm_clks->DfPstateTable[%d].Voltage = %d\n", + i, smu_dpm_clks.dpm_clks->DfPstateTable[i].FClk, + i, smu_dpm_clks.dpm_clks->DfPstateTable[i].MemClk, + i, smu_dpm_clks.dpm_clks->DfPstateTable[i].Voltage); + } + + if (ctx->dc_bios && ctx->dc_bios->integrated_info && ctx->dc->config.use_default_clock_table == false) { + dcn35_clk_mgr_helper_populate_bw_params( + &clk_mgr->base, + ctx->dc_bios->integrated_info, + smu_dpm_clks.dpm_clks); + } + } + + if (smu_dpm_clks.dpm_clks && smu_dpm_clks.mc_address.quad_part != 0) + dm_helpers_free_gpu_mem(clk_mgr->base.base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + smu_dpm_clks.dpm_clks); + +} + +void dcn35_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int) +{ + struct clk_mgr_dcn35 *clk_mgr = TO_CLK_MGR_DCN35(clk_mgr_int); + + if (clk_mgr->smu_wm_set.wm_set && clk_mgr->smu_wm_set.mc_address.quad_part != 0) + dm_helpers_free_gpu_mem(clk_mgr_int->base.ctx, DC_MEM_ALLOC_TYPE_FRAME_BUFFER, + clk_mgr->smu_wm_set.wm_set); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h new file mode 100644 index 000000000000..1203dc605b12 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_clk_mgr.h @@ -0,0 +1,63 @@ +/* + * Copyright 2022 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 __DCN35_CLK_MGR_H__ +#define __DCN35_CLK_MGR_H__ +#include "clk_mgr_internal.h" + +#define NUM_CLOCK_SOURCES 5 + +struct dcn35_watermarks; + +struct dcn35_smu_watermark_set { + struct dcn35_watermarks *wm_set; + union large_integer mc_address; +}; + +struct dcn35_ss_info_table { + uint32_t ss_divider; + uint32_t ss_percentage[NUM_CLOCK_SOURCES]; +}; + +struct clk_mgr_dcn35 { + struct clk_mgr_internal base; + struct dcn35_smu_watermark_set smu_wm_set; +}; + +bool dcn35_are_clock_states_equal(struct dc_clocks *a, + struct dc_clocks *b); +void dcn35_init_clocks(struct clk_mgr *clk_mgr); +void dcn35_update_clocks(struct clk_mgr *clk_mgr_base, + struct dc_state *context, + bool safe_to_lower); + +void dcn35_clk_mgr_construct(struct dc_context *ctx, + struct clk_mgr_dcn35 *clk_mgr, + struct pp_smu_funcs *pp_smu, + struct dccg *dccg); + +void dcn35_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int); + +#endif //__DCN35_CLK_MGR_H__ diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c new file mode 100644 index 000000000000..8d870880ec15 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c @@ -0,0 +1,453 @@ +/* + * Copyright 2022 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" +#include "dm_helpers.h" +#include "dcn35_smu.h" + +#include "mp/mp_14_0_0_offset.h" +#include "mp/mp_14_0_0_sh_mask.h" + +/* TODO: Use the real headers when they're correct */ +#define MP1_BASE__INST0_SEG0 0x00016000 +#define MP1_BASE__INST0_SEG1 0x0243FC00 +#define MP1_BASE__INST0_SEG2 0x00DC0000 +#define MP1_BASE__INST0_SEG3 0x00E00000 +#define MP1_BASE__INST0_SEG4 0x00E40000 +#define MP1_BASE__INST0_SEG5 0 + +#ifdef BASE_INNER +#undef BASE_INNER +#endif + +#define BASE_INNER(seg) MP1_BASE__INST0_SEG ## seg + +#define BASE(seg) BASE_INNER(seg) + +#define REG(reg_name) (BASE(reg##reg_name##_BASE_IDX) + reg##reg_name) + +#define FN(reg_name, field) \ + FD(reg_name##__##field) + +#include "logger_types.h" +#undef DC_LOGGER +#define DC_LOGGER \ + CTX->logger +#define smu_print(str, ...) {DC_LOG_SMU(str, ##__VA_ARGS__); } + +#define VBIOSSMC_MSG_TestMessage 0x1 +#define VBIOSSMC_MSG_GetSmuVersion 0x2 +#define VBIOSSMC_MSG_PowerUpGfx 0x3 +#define VBIOSSMC_MSG_SetDispclkFreq 0x4 +#define VBIOSSMC_MSG_SetDprefclkFreq 0x5 //Not used. DPRef is constant +#define VBIOSSMC_MSG_SetDppclkFreq 0x6 +#define VBIOSSMC_MSG_SetHardMinDcfclkByFreq 0x7 +#define VBIOSSMC_MSG_SetMinDeepSleepDcfclk 0x8 +#define VBIOSSMC_MSG_SetPhyclkVoltageByFreq 0x9 //Keep it in case VMIN dees not support phy clk +#define VBIOSSMC_MSG_GetFclkFrequency 0xA +#define VBIOSSMC_MSG_SetDisplayCount 0xB //Not used anymore +#define VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown 0xC //To ask PMFW turn off TMDP 48MHz refclk during display off to save power +#define VBIOSSMC_MSG_UpdatePmeRestore 0xD +#define VBIOSSMC_MSG_SetVbiosDramAddrHigh 0xE //Used for WM table txfr +#define VBIOSSMC_MSG_SetVbiosDramAddrLow 0xF +#define VBIOSSMC_MSG_TransferTableSmu2Dram 0x10 +#define VBIOSSMC_MSG_TransferTableDram2Smu 0x11 +#define VBIOSSMC_MSG_SetDisplayIdleOptimizations 0x12 +#define VBIOSSMC_MSG_GetDprefclkFreq 0x13 +#define VBIOSSMC_MSG_GetDtbclkFreq 0x14 +#define VBIOSSMC_MSG_AllowZstatesEntry 0x15 +#define VBIOSSMC_MSG_DisallowZstatesEntry 0x16 +#define VBIOSSMC_MSG_SetDtbClk 0x17 +#define VBIOSSMC_MSG_DispPsrEntry 0x18 ///< Display PSR entry, DMU +#define VBIOSSMC_MSG_DispPsrExit 0x19 ///< Display PSR exit, DMU +#define VBIOSSMC_Message_Count 0x1A + +#define VBIOSSMC_Status_BUSY 0x0 +#define VBIOSSMC_Result_OK 0x1 +#define VBIOSSMC_Result_Failed 0xFF +#define VBIOSSMC_Result_UnknownCmd 0xFE +#define VBIOSSMC_Result_CmdRejectedPrereq 0xFD +#define VBIOSSMC_Result_CmdRejectedBusy 0xFC + +/* + * Function to be used instead of REG_WAIT macro because the wait ends when + * the register is NOT EQUAL to zero, and because `the translation in msg_if.h + * won't work with REG_WAIT. + */ +static uint32_t dcn35_smu_wait_for_response(struct clk_mgr_internal *clk_mgr, unsigned int delay_us, unsigned int max_retries) +{ + uint32_t res_val = VBIOSSMC_Status_BUSY; + + do { + res_val = REG_READ(MP1_SMN_C2PMSG_91); + if (res_val != VBIOSSMC_Status_BUSY) + break; + + if (delay_us >= 1000) + msleep(delay_us/1000); + else if (delay_us > 0) + udelay(delay_us); + } while (max_retries--); + + return res_val; +} + +static int dcn35_smu_send_msg_with_param(struct clk_mgr_internal *clk_mgr, + unsigned int msg_id, + unsigned int param) +{ + uint32_t result; + + result = dcn35_smu_wait_for_response(clk_mgr, 10, 2000000); + ASSERT(result == VBIOSSMC_Result_OK); + + + + if (result == VBIOSSMC_Status_BUSY) { + smu_print("SMU response after wait: %d\n", result); + return -1; + } + + /* First clear response register */ + REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Status_BUSY); + + /* 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); + + result = dcn35_smu_wait_for_response(clk_mgr, 10, 2000000); + + if (result == VBIOSSMC_Result_Failed) { + if (msg_id == VBIOSSMC_MSG_TransferTableDram2Smu && + param == TABLE_WATERMARKS) + DC_LOG_WARNING("Watermarks table not configured properly by SMU"); + else + ASSERT(0); + REG_WRITE(MP1_SMN_C2PMSG_91, VBIOSSMC_Result_OK); + smu_print("SMU response after wait: %d\n", result); + return -1; + } + + if (IS_SMU_TIMEOUT(result)) { + ASSERT(0); + result = dcn35_smu_wait_for_response(clk_mgr, 10, 2000000); + //dm_helpers_smu_timeout(CTX, msg_id, param, 10 * 200000); + smu_print("SMU response after wait: %d\n", result); + } + + return REG_READ(MP1_SMN_C2PMSG_83); +} + +int dcn35_smu_get_smu_version(struct clk_mgr_internal *clk_mgr) +{ + return dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_GetSmuVersion, + 0); +} + + +int dcn35_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz) +{ + int actual_dispclk_set_mhz = -1; + + if (!clk_mgr->smu_present) + return requested_dispclk_khz; + + /* Unit of SMU msg parameter is Mhz */ + actual_dispclk_set_mhz = dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDispclkFreq, + khz_to_mhz_ceil(requested_dispclk_khz)); + + smu_print("requested_dispclk_khz = %d, actual_dispclk_set_mhz: %d\n", requested_dispclk_khz, actual_dispclk_set_mhz); + return actual_dispclk_set_mhz * 1000; +} + +int dcn35_smu_set_dprefclk(struct clk_mgr_internal *clk_mgr) +{ + int actual_dprefclk_set_mhz = -1; + + if (!clk_mgr->smu_present) + return clk_mgr->base.dprefclk_khz; + + actual_dprefclk_set_mhz = dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDprefclkFreq, + khz_to_mhz_ceil(clk_mgr->base.dprefclk_khz)); + + /* TODO: add code for programing DP DTO, currently this is down by command table */ + + return actual_dprefclk_set_mhz * 1000; +} + +int dcn35_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz) +{ + int actual_dcfclk_set_mhz = -1; + + if (!clk_mgr->smu_present) + return requested_dcfclk_khz; + + actual_dcfclk_set_mhz = dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetHardMinDcfclkByFreq, + khz_to_mhz_ceil(requested_dcfclk_khz)); + + smu_print("requested_dcfclk_khz = %d, actual_dcfclk_set_mhz: %d\n", requested_dcfclk_khz, actual_dcfclk_set_mhz); + + return actual_dcfclk_set_mhz * 1000; +} + +int dcn35_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz) +{ + int actual_min_ds_dcfclk_mhz = -1; + + if (!clk_mgr->base.ctx->dc->debug.pstate_enabled) + return -1; + + if (!clk_mgr->smu_present) + return requested_min_ds_dcfclk_khz; + + actual_min_ds_dcfclk_mhz = dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetMinDeepSleepDcfclk, + khz_to_mhz_ceil(requested_min_ds_dcfclk_khz)); + + smu_print("requested_min_ds_dcfclk_khz = %d, actual_min_ds_dcfclk_mhz: %d\n", requested_min_ds_dcfclk_khz, actual_min_ds_dcfclk_mhz); + + return actual_min_ds_dcfclk_mhz * 1000; +} + +int dcn35_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz) +{ + int actual_dppclk_set_mhz = -1; + + if (!clk_mgr->smu_present) + return requested_dpp_khz; + + actual_dppclk_set_mhz = dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDppclkFreq, + khz_to_mhz_ceil(requested_dpp_khz)); + + smu_print("requested_dpp_khz = %d, actual_dppclk_set_mhz: %d\n", requested_dpp_khz, actual_dppclk_set_mhz); + + return actual_dppclk_set_mhz * 1000; +} + +void dcn35_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, uint32_t idle_info) +{ + if (!clk_mgr->base.ctx->dc->debug.pstate_enabled) + return; + + if (!clk_mgr->smu_present) + return; + + //TODO: Work with smu team to define optimization options. + dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDisplayIdleOptimizations, + idle_info); + smu_print("VBIOSSMC_MSG_SetDisplayIdleOptimizations idle_info = %d\n", idle_info); +} + +void dcn35_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable) +{ + union display_idle_optimization_u idle_info = { 0 }; + + if (!clk_mgr->smu_present) + return; + + if (enable) { + idle_info.idle_info.df_request_disabled = 1; + idle_info.idle_info.phy_ref_clk_off = 1; + } + + dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDisplayIdleOptimizations, + idle_info.data); + smu_print("dcn35_smu_enable_phy_refclk_pwrdwn = %d\n", enable ? 1 : 0); +} + +void dcn35_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr) +{ + if (!clk_mgr->smu_present) + return; + + dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_UpdatePmeRestore, + 0); +} + +void dcn35_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high) +{ + if (!clk_mgr->smu_present) + return; + + dcn35_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_SetVbiosDramAddrHigh, addr_high); +} + +void dcn35_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low) +{ + if (!clk_mgr->smu_present) + return; + + dcn35_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_SetVbiosDramAddrLow, addr_low); +} + +void dcn35_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr) +{ + if (!clk_mgr->smu_present) + return; + + dcn35_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_TransferTableSmu2Dram, TABLE_DPMCLOCKS); +} + +void dcn35_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr) +{ + if (!clk_mgr->smu_present) + return; + + dcn35_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_TransferTableDram2Smu, TABLE_WATERMARKS); +} + +void dcn35_smu_set_zstate_support(struct clk_mgr_internal *clk_mgr, enum dcn_zstate_support_state support) +{ + unsigned int msg_id, param; + + if (!clk_mgr->smu_present) + return; + + switch (support) { + + case DCN_ZSTATE_SUPPORT_ALLOW: + msg_id = VBIOSSMC_MSG_AllowZstatesEntry; + param = (1 << 10) | (1 << 9) | (1 << 8); + break; + + case DCN_ZSTATE_SUPPORT_DISALLOW: + msg_id = VBIOSSMC_MSG_AllowZstatesEntry; + param = 0; + break; + + + case DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY: + msg_id = VBIOSSMC_MSG_AllowZstatesEntry; + param = (1 << 10); + break; + + case DCN_ZSTATE_SUPPORT_ALLOW_Z8_Z10_ONLY: + msg_id = VBIOSSMC_MSG_AllowZstatesEntry; + param = (1 << 10) | (1 << 8); + break; + + case DCN_ZSTATE_SUPPORT_ALLOW_Z8_ONLY: + msg_id = VBIOSSMC_MSG_AllowZstatesEntry; + param = (1 << 8); + break; + + default: //DCN_ZSTATE_SUPPORT_UNKNOWN + msg_id = VBIOSSMC_MSG_AllowZstatesEntry; + param = 0; + break; + } + + + dcn35_smu_send_msg_with_param( + clk_mgr, + msg_id, + param); + smu_print("dcn35_smu_set_zstate_support msg_id = %d, param = %d\n", msg_id, param); +} + +int dcn35_smu_get_dprefclk(struct clk_mgr_internal *clk_mgr) +{ + int dprefclk; + + if (!clk_mgr->smu_present) + return 0; + + dprefclk = dcn35_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_GetDprefclkFreq, + 0); + + smu_print("dcn35_smu_get_DPREF clk = %d mhz\n", dprefclk); + return dprefclk * 1000; +} + +int dcn35_smu_get_dtbclk(struct clk_mgr_internal *clk_mgr) +{ + int dtbclk; + + if (!clk_mgr->smu_present) + return 0; + + dtbclk = dcn35_smu_send_msg_with_param(clk_mgr, + VBIOSSMC_MSG_GetDtbclkFreq, + 0); + + smu_print("dcn35_smu_get_dtbclk = %d mhz\n", dtbclk); + return dtbclk * 1000; +} +/* Arg = 1: Turn DTB on; 0: Turn DTB CLK OFF. when it is on, it is 600MHZ */ +void dcn35_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable) +{ + if (!clk_mgr->smu_present) + return; + + dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_SetDtbClk, + enable); + smu_print("dcn35_smu_set_dtbclk = %d \n", enable ? 1 : 0); +} + +void dcn35_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable) +{ + dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_EnableTmdp48MHzRefclkPwrDown, + enable); +} + +void dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr) +{ + dcn35_smu_send_msg_with_param( + clk_mgr, + VBIOSSMC_MSG_DispPsrExit, + 0); +} diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h new file mode 100644 index 000000000000..793d86c33d12 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.h @@ -0,0 +1,180 @@ +/* + * Copyright 2022 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_35_SMU_H_ +#define DAL_DC_35_SMU_H_ + +#include "os_types.h" + +#ifndef PMFW_DRIVER_IF_H +#define PMFW_DRIVER_IF_H +#define PMFW_DRIVER_IF_VERSION 4 + +typedef enum { + DSPCLK_DCFCLK = 0, + DSPCLK_DISPCLK, + DSPCLK_PIXCLK, + DSPCLK_PHYCLK, + DSPCLK_COUNT, +} DSPCLK_e; + +typedef struct { + uint16_t Freq; // in MHz + uint16_t Vid; // min voltage in SVI3 VID +} DisplayClockTable_t; + +typedef struct { + uint16_t MinClock; // This is either DCFCLK or SOCCLK (in MHz) + uint16_t MaxClock; // This is either DCFCLK or SOCCLK (in MHz) + uint16_t MinMclk; + uint16_t MaxMclk; + + uint8_t WmSetting; + uint8_t WmType; // Used for normal pstate change or memory retraining + uint8_t Padding[2]; +} WatermarkRowGeneric_t; + +#define NUM_WM_RANGES 4 +#define WM_PSTATE_CHG 0 +#define WM_RETRAINING 1 + +typedef enum { + WM_SOCCLK = 0, + WM_DCFCLK, + WM_COUNT, +} WM_CLOCK_e; + +typedef struct { + // Watermarks + WatermarkRowGeneric_t WatermarkRow[WM_COUNT][NUM_WM_RANGES]; + + uint32_t MmHubPadding[7]; // SMU internal use +} Watermarks_t; + +#define NUM_DCFCLK_DPM_LEVELS 8 +#define NUM_DISPCLK_DPM_LEVELS 8 +#define NUM_DPPCLK_DPM_LEVELS 8 +#define NUM_SOCCLK_DPM_LEVELS 8 +#define NUM_VCN_DPM_LEVELS 8 +#define NUM_SOC_VOLTAGE_LEVELS 8 +#define NUM_DF_PSTATE_LEVELS 4 + +typedef enum{ + WCK_RATIO_1_1 = 0, // DDR5, Wck:ck is always 1:1; + WCK_RATIO_1_2, + WCK_RATIO_1_4, + WCK_RATIO_MAX +} WCK_RATIO_e; + +typedef struct { + uint32_t FClk; + uint32_t MemClk; + uint32_t Voltage; + uint8_t WckRatio; + uint8_t Spare[3]; +} DfPstateTable_t; + +//Freq in MHz +//Voltage in milli volts with 2 fractional bits +typedef struct { + uint32_t DcfClocks[NUM_DCFCLK_DPM_LEVELS]; + uint32_t DispClocks[NUM_DISPCLK_DPM_LEVELS]; + uint32_t DppClocks[NUM_DPPCLK_DPM_LEVELS]; + uint32_t SocClocks[NUM_SOCCLK_DPM_LEVELS]; + uint32_t VClocks[NUM_VCN_DPM_LEVELS]; + uint32_t DClocks[NUM_VCN_DPM_LEVELS]; + uint32_t SocVoltage[NUM_SOC_VOLTAGE_LEVELS]; + DfPstateTable_t DfPstateTable[NUM_DF_PSTATE_LEVELS]; + + uint8_t NumDcfClkLevelsEnabled; + uint8_t NumDispClkLevelsEnabled; //Applies to both Dispclk and Dppclk + uint8_t NumSocClkLevelsEnabled; + uint8_t VcnClkLevelsEnabled; //Applies to both Vclk and Dclk + uint8_t NumDfPstatesEnabled; + uint8_t spare[3]; + + uint32_t MinGfxClk; + uint32_t MaxGfxClk; +} DpmClocks_t; + +#define TABLE_BIOS_IF 0 // Called by BIOS +#define TABLE_WATERMARKS 1 // Called by DAL through VBIOS +#define TABLE_CUSTOM_DPM 2 // Called by Driver +#define TABLE_SPARE1 3 +#define TABLE_DPMCLOCKS 4 // Called by Driver +#define TABLE_MOMENTARY_PM 5 // Called by Tools +#define TABLE_MODERN_STDBY 6 // Called by Tools for Modern Standby Log +#define TABLE_SMU_METRICS 7 // Called by Driver +#define TABLE_COUNT 8 + +#endif + +struct dcn35_watermarks { + // Watermarks + WatermarkRowGeneric_t WatermarkRow[WM_COUNT][NUM_WM_RANGES]; + + uint32_t MmHubPadding[7]; // SMU internal use +}; + +struct dcn35_smu_dpm_clks { + DpmClocks_t *dpm_clks; + union large_integer mc_address; +}; + +/* TODO: taken from vgh, may not be correct */ +struct display_idle_optimization { + unsigned int df_request_disabled : 1; + unsigned int phy_ref_clk_off : 1; + unsigned int s0i2_rdy : 1; + unsigned int reserved : 29; +}; + +union display_idle_optimization_u { + struct display_idle_optimization idle_info; + uint32_t data; +}; + +int dcn35_smu_get_smu_version(struct clk_mgr_internal *clk_mgr); +int dcn35_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_dispclk_khz); +int dcn35_smu_set_dprefclk(struct clk_mgr_internal *clk_mgr); +int dcn35_smu_set_hard_min_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_dcfclk_khz); +int dcn35_smu_set_min_deep_sleep_dcfclk(struct clk_mgr_internal *clk_mgr, int requested_min_ds_dcfclk_khz); +int dcn35_smu_set_dppclk(struct clk_mgr_internal *clk_mgr, int requested_dpp_khz); +void dcn35_smu_set_display_idle_optimization(struct clk_mgr_internal *clk_mgr, uint32_t idle_info); +void dcn35_smu_enable_phy_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable); +void dcn35_smu_enable_pme_wa(struct clk_mgr_internal *clk_mgr); +void dcn35_smu_set_dram_addr_high(struct clk_mgr_internal *clk_mgr, uint32_t addr_high); +void dcn35_smu_set_dram_addr_low(struct clk_mgr_internal *clk_mgr, uint32_t addr_low); +void dcn35_smu_transfer_dpm_table_smu_2_dram(struct clk_mgr_internal *clk_mgr); +void dcn35_smu_transfer_wm_table_dram_2_smu(struct clk_mgr_internal *clk_mgr); + +void dcn35_smu_set_zstate_support(struct clk_mgr_internal *clk_mgr, enum dcn_zstate_support_state support); +void dcn35_smu_set_dtbclk(struct clk_mgr_internal *clk_mgr, bool enable); +void dcn35_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *clk_mgr, bool enable); + +void dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr); +int dcn35_smu_get_dtbclk(struct clk_mgr_internal *clk_mgr); +int dcn35_smu_get_dprefclk(struct clk_mgr_internal *clk_mgr); +#endif /* DAL_DC_35_SMU_H_ */ diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index bf38ccb43c74..20a3b4c81d4b 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -868,6 +868,7 @@ static bool dc_construct_ctx(struct dc *dc, dc_ctx->dce_environment = init_params->dce_environment; dc_ctx->dcn_reg_offsets = init_params->dcn_reg_offsets; dc_ctx->nbio_reg_offsets = init_params->nbio_reg_offsets; + dc_ctx->clk_reg_offsets = init_params->clk_reg_offsets; /* Create logger */ @@ -1367,6 +1368,7 @@ struct dc *dc_create(const struct dc_init_data *init_params) dc->dcn_reg_offsets = init_params->dcn_reg_offsets; dc->nbio_reg_offsets = init_params->nbio_reg_offsets; + dc->clk_reg_offsets = init_params->clk_reg_offsets; /* Populate versioning information */ dc->versions.dc_ver = DC_VER; diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index c93f4608690c..7f2046da6207 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -1027,6 +1027,7 @@ struct dc { uint32_t *dcn_reg_offsets; uint32_t *nbio_reg_offsets; + uint32_t *clk_reg_offsets; /* Scratch memory */ struct { @@ -1086,6 +1087,7 @@ struct dc_init_data { */ uint32_t *dcn_reg_offsets; uint32_t *nbio_reg_offsets; + uint32_t *clk_reg_offsets; }; struct dc_callback_init { diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h index 445ad79001ce..4b44c18a61a0 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_types.h @@ -808,6 +808,7 @@ struct dc_context { struct cp_psp cp_psp; uint32_t *dcn_reg_offsets; uint32_t *nbio_reg_offsets; + uint32_t *clk_reg_offsets; }; /* DSC DPCD capabilities */ 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 index ecb7bcc39469..580fea4fde52 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/clk_mgr.h @@ -258,6 +258,7 @@ struct clk_mgr_funcs { int (*get_dtb_ref_clk_frequency)(struct clk_mgr *clk_mgr); void (*set_low_power_state)(struct clk_mgr *clk_mgr); + void (*exit_low_power_state)(struct clk_mgr *clk_mgr); void (*init_clocks)(struct clk_mgr *clk_mgr); |