diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c | 395 |
1 files changed, 395 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c new file mode 100644 index 000000000000..588c1c71241f --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c @@ -0,0 +1,395 @@ +// SPDX-License-Identifier: MIT +/* + * 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 "dm_services.h" +#include "dm_helpers.h" +#include "core_types.h" +#include "resource.h" +#include "dccg.h" +#include "dce/dce_hwseq.h" +#include "clk_mgr.h" +#include "reg_helper.h" +#include "abm.h" +#include "hubp.h" +#include "dchubbub.h" +#include "timing_generator.h" +#include "opp.h" +#include "ipp.h" +#include "mpc.h" +#include "mcif_wb.h" +#include "dc_dmub_srv.h" +#include "dcn314_hwseq.h" +#include "link_hwss.h" +#include "dpcd_defs.h" +#include "dce/dmub_outbox.h" +#include "dc_link_dp.h" +#include "inc/dc_link_dp.h" +#include "inc/link_dpcd.h" +#include "dcn10/dcn10_hw_sequencer.h" +#include "inc/link_enc_cfg.h" +#include "dcn30/dcn30_vpg.h" +#include "dce/dce_i2c_hw.h" +#include "dsc.h" +#include "dcn20/dcn20_optc.h" +#include "dcn30/dcn30_cm_common.h" + +#define DC_LOGGER_INIT(logger) + +#define CTX \ + hws->ctx +#define REG(reg)\ + hws->regs->reg +#define DC_LOGGER \ + dc->ctx->logger + + +#undef FN +#define FN(reg_name, field_name) \ + hws->shifts->field_name, hws->masks->field_name + +static int calc_mpc_flow_ctrl_cnt(const struct dc_stream_state *stream, + int opp_cnt) +{ + bool hblank_halved = optc2_is_two_pixels_per_containter(&stream->timing); + int flow_ctrl_cnt; + + if (opp_cnt >= 2) + hblank_halved = true; + + flow_ctrl_cnt = stream->timing.h_total - stream->timing.h_addressable - + stream->timing.h_border_left - + stream->timing.h_border_right; + + if (hblank_halved) + flow_ctrl_cnt /= 2; + + /* ODM combine 4:1 case */ + if (opp_cnt == 4) + flow_ctrl_cnt /= 2; + + return flow_ctrl_cnt; +} + +static void update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) +{ + struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; + struct dc_stream_state *stream = pipe_ctx->stream; + struct pipe_ctx *odm_pipe; + int opp_cnt = 1; + + ASSERT(dsc); + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) + opp_cnt++; + + if (enable) { + struct dsc_config dsc_cfg; + struct dsc_optc_config dsc_optc_cfg; + enum optc_dsc_mode optc_dsc_mode; + + /* Enable DSC hw block */ + dsc_cfg.pic_width = (stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right) / opp_cnt; + dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom; + dsc_cfg.pixel_encoding = stream->timing.pixel_encoding; + dsc_cfg.color_depth = stream->timing.display_color_depth; + dsc_cfg.is_odm = pipe_ctx->next_odm_pipe ? true : false; + dsc_cfg.dc_dsc_cfg = stream->timing.dsc_cfg; + ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0); + dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt; + + dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg); + dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst); + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { + struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc; + + ASSERT(odm_dsc); + odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg); + odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst); + } + dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt; + dsc_cfg.pic_width *= opp_cnt; + + optc_dsc_mode = dsc_optc_cfg.is_pixel_format_444 ? OPTC_DSC_ENABLED_444 : OPTC_DSC_ENABLED_NATIVE_SUBSAMPLED; + + /* Enable DSC in OPTC */ + DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst); + pipe_ctx->stream_res.tg->funcs->set_dsc_config(pipe_ctx->stream_res.tg, + optc_dsc_mode, + dsc_optc_cfg.bytes_per_pixel, + dsc_optc_cfg.slice_width); + } else { + /* disable DSC in OPTC */ + pipe_ctx->stream_res.tg->funcs->set_dsc_config( + pipe_ctx->stream_res.tg, + OPTC_DSC_DISABLED, 0, 0); + + /* disable DSC block */ + dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc); + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { + ASSERT(odm_pipe->stream_res.dsc); + odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc); + } + } +} + +// Given any pipe_ctx, return the total ODM combine factor, and optionally return +// the OPPids which are used +static unsigned int get_odm_config(struct pipe_ctx *pipe_ctx, unsigned int *opp_instances) +{ + unsigned int opp_count = 1; + struct pipe_ctx *odm_pipe; + + // First get to the top pipe + for (odm_pipe = pipe_ctx; odm_pipe->prev_odm_pipe; odm_pipe = odm_pipe->prev_odm_pipe) + ; + + // First pipe is always used + if (opp_instances) + opp_instances[0] = odm_pipe->stream_res.opp->inst; + + // Find and count odm pipes, if any + for (odm_pipe = odm_pipe->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { + if (opp_instances) + opp_instances[opp_count] = odm_pipe->stream_res.opp->inst; + opp_count++; + } + + return opp_count; +} + +void dcn314_update_odm(struct dc *dc, struct dc_state *context, struct pipe_ctx *pipe_ctx) +{ + struct pipe_ctx *odm_pipe; + int opp_cnt = 0; + int opp_inst[MAX_PIPES] = {0}; + bool rate_control_2x_pclk = (pipe_ctx->stream->timing.flags.INTERLACE || optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing)); + struct mpc_dwb_flow_control flow_control; + struct mpc *mpc = dc->res_pool->mpc; + int i; + + opp_cnt = get_odm_config(pipe_ctx, opp_inst); + + if (opp_cnt > 1) + pipe_ctx->stream_res.tg->funcs->set_odm_combine( + pipe_ctx->stream_res.tg, + opp_inst, opp_cnt, + &pipe_ctx->stream->timing); + else + pipe_ctx->stream_res.tg->funcs->set_odm_bypass( + pipe_ctx->stream_res.tg, &pipe_ctx->stream->timing); + + rate_control_2x_pclk = rate_control_2x_pclk || opp_cnt > 1; + flow_control.flow_ctrl_mode = 0; + flow_control.flow_ctrl_cnt0 = 0x80; + flow_control.flow_ctrl_cnt1 = calc_mpc_flow_ctrl_cnt(pipe_ctx->stream, opp_cnt); + if (mpc->funcs->set_out_rate_control) { + for (i = 0; i < opp_cnt; ++i) { + mpc->funcs->set_out_rate_control( + mpc, opp_inst[i], + true, + rate_control_2x_pclk, + &flow_control); + } + } + + for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { + odm_pipe->stream_res.opp->funcs->opp_pipe_clock_control( + odm_pipe->stream_res.opp, + true); + } + + if (pipe_ctx->stream_res.dsc) { + struct pipe_ctx *current_pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[pipe_ctx->pipe_idx]; + + update_dsc_on_stream(pipe_ctx, pipe_ctx->stream->timing.flags.DSC); + + /* Check if no longer using pipe for ODM, then need to disconnect DSC for that pipe */ + if (!pipe_ctx->next_odm_pipe && current_pipe_ctx->next_odm_pipe && + current_pipe_ctx->next_odm_pipe->stream_res.dsc) { + struct display_stream_compressor *dsc = current_pipe_ctx->next_odm_pipe->stream_res.dsc; + /* disconnect DSC block from stream */ + dsc->funcs->dsc_disconnect(dsc); + } + } +} + +void dcn314_dsc_pg_control( + struct dce_hwseq *hws, + unsigned int dsc_inst, + bool power_on) +{ + uint32_t power_gate = power_on ? 0 : 1; + uint32_t pwr_status = power_on ? 0 : 2; + uint32_t org_ip_request_cntl = 0; + + if (hws->ctx->dc->debug.disable_dsc_power_gate) + return; + + if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc && + hws->ctx->dc->res_pool->dccg->funcs->enable_dsc && + power_on) + hws->ctx->dc->res_pool->dccg->funcs->enable_dsc( + hws->ctx->dc->res_pool->dccg, dsc_inst); + + REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl); + if (org_ip_request_cntl == 0) + REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1); + + switch (dsc_inst) { + case 0: /* DSC0 */ + REG_UPDATE(DOMAIN16_PG_CONFIG, + DOMAIN_POWER_GATE, power_gate); + + REG_WAIT(DOMAIN16_PG_STATUS, + DOMAIN_PGFSM_PWR_STATUS, pwr_status, + 1, 1000); + break; + case 1: /* DSC1 */ + REG_UPDATE(DOMAIN17_PG_CONFIG, + DOMAIN_POWER_GATE, power_gate); + + REG_WAIT(DOMAIN17_PG_STATUS, + DOMAIN_PGFSM_PWR_STATUS, pwr_status, + 1, 1000); + break; + case 2: /* DSC2 */ + REG_UPDATE(DOMAIN18_PG_CONFIG, + DOMAIN_POWER_GATE, power_gate); + + REG_WAIT(DOMAIN18_PG_STATUS, + DOMAIN_PGFSM_PWR_STATUS, pwr_status, + 1, 1000); + break; + case 3: /* DSC3 */ + REG_UPDATE(DOMAIN19_PG_CONFIG, + DOMAIN_POWER_GATE, power_gate); + + REG_WAIT(DOMAIN19_PG_STATUS, + DOMAIN_PGFSM_PWR_STATUS, pwr_status, + 1, 1000); + break; + default: + BREAK_TO_DEBUGGER(); + break; + } + + if (org_ip_request_cntl == 0) + REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0); + + if (hws->ctx->dc->debug.root_clock_optimization.bits.dsc) { + if (hws->ctx->dc->res_pool->dccg->funcs->disable_dsc && !power_on) + hws->ctx->dc->res_pool->dccg->funcs->disable_dsc( + hws->ctx->dc->res_pool->dccg, dsc_inst); + } + +} + +void dcn314_enable_power_gating_plane(struct dce_hwseq *hws, bool enable) +{ + bool force_on = true; /* disable power gating */ + uint32_t org_ip_request_cntl = 0; + + if (enable && !hws->ctx->dc->debug.disable_hubp_power_gate) + force_on = false; + + REG_GET(DC_IP_REQUEST_CNTL, IP_REQUEST_EN, &org_ip_request_cntl); + if (org_ip_request_cntl == 0) + REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 1); + /* DCHUBP0/1/2/3/4/5 */ + REG_UPDATE(DOMAIN0_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + REG_UPDATE(DOMAIN2_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + /* DPP0/1/2/3/4/5 */ + REG_UPDATE(DOMAIN1_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + REG_UPDATE(DOMAIN3_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + + force_on = true; /* disable power gating */ + if (enable && !hws->ctx->dc->debug.disable_dsc_power_gate) + force_on = false; + + /* DCS0/1/2/3/4 */ + REG_UPDATE(DOMAIN16_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + REG_UPDATE(DOMAIN17_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + REG_UPDATE(DOMAIN18_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + REG_UPDATE(DOMAIN19_PG_CONFIG, DOMAIN_POWER_FORCEON, force_on); + + if (org_ip_request_cntl == 0) + REG_SET(DC_IP_REQUEST_CNTL, 0, IP_REQUEST_EN, 0); +} + +unsigned int dcn314_calculate_dccg_k1_k2_values(struct pipe_ctx *pipe_ctx, unsigned int *k1_div, unsigned int *k2_div) +{ + struct dc_stream_state *stream = pipe_ctx->stream; + unsigned int odm_combine_factor = 0; + bool two_pix_per_container = false; + + two_pix_per_container = optc2_is_two_pixels_per_containter(&stream->timing); + odm_combine_factor = get_odm_config(pipe_ctx, NULL); + + if (pipe_ctx->stream->signal == SIGNAL_TYPE_VIRTUAL) + return odm_combine_factor; + + if (is_dp_128b_132b_signal(pipe_ctx)) { + *k2_div = PIXEL_RATE_DIV_BY_1; + } else if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal)) { + *k1_div = PIXEL_RATE_DIV_BY_1; + if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420) + *k2_div = PIXEL_RATE_DIV_BY_2; + else + *k2_div = PIXEL_RATE_DIV_BY_4; + } else if (dc_is_dp_signal(pipe_ctx->stream->signal)) { + if (two_pix_per_container) { + *k1_div = PIXEL_RATE_DIV_BY_1; + *k2_div = PIXEL_RATE_DIV_BY_2; + } else { + *k1_div = PIXEL_RATE_DIV_BY_1; + *k2_div = PIXEL_RATE_DIV_BY_4; + if (odm_combine_factor == 2) + *k2_div = PIXEL_RATE_DIV_BY_2; + } + } + + if ((*k1_div == PIXEL_RATE_DIV_NA) && (*k2_div == PIXEL_RATE_DIV_NA)) + ASSERT(false); + + return odm_combine_factor; +} + +void dcn314_set_pixels_per_cycle(struct pipe_ctx *pipe_ctx) +{ + uint32_t pix_per_cycle = 1; + uint32_t odm_combine_factor = 1; + + if (!pipe_ctx || !pipe_ctx->stream || !pipe_ctx->stream_res.stream_enc) + return; + + odm_combine_factor = get_odm_config(pipe_ctx, NULL); + if (optc2_is_two_pixels_per_containter(&pipe_ctx->stream->timing) || odm_combine_factor > 1) + pix_per_cycle = 2; + + if (pipe_ctx->stream_res.stream_enc->funcs->set_input_mode) + pipe_ctx->stream_res.stream_enc->funcs->set_input_mode(pipe_ctx->stream_res.stream_enc, + pix_per_cycle); +} |