/* * Copyright 2016 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 *
*/
staticbool dcn32_check_no_memory_request_for_cab(struct dc *dc)
{ int i;
/* First, check no-memory-request case */ for (i = 0; i < dc->current_state->stream_count; i++) { if ((dc->current_state->stream_status[i].plane_count) &&
(dc->current_state->streams[i]->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED)) /* Fail eligibility on a visible stream */ break;
}
if (i == dc->current_state->stream_count) returntrue;
returnfalse;
}
/* This function loops through every surface that needs to be cached in CAB for SS, * and calculates the total number of ways required to store all surfaces (primary, * meta, cursor).
*/ static uint32_t dcn32_calculate_cab_allocation(struct dc *dc, struct dc_state *ctx)
{ int i;
uint32_t num_ways = 0;
uint32_t mall_ss_size_bytes = 0;
mall_ss_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_size_bytes; // TODO add additional logic for PSR active stream exclusion optimization // mall_ss_psr_active_size_bytes = ctx->bw_ctx.bw.dcn.mall_ss_psr_active_size_bytes;
// Include cursor size for CAB allocation for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &ctx->res_ctx.pipe_ctx[i];
if (!pipe->stream || !pipe->plane_state) continue;
// Convert number of cache lines required to number of ways if (dc->debug.force_mall_ss_num_ways > 0) {
num_ways = dc->debug.force_mall_ss_num_ways;
} elseif (dc->res_pool->funcs->calculate_mall_ways_from_bytes) {
num_ways = dc->res_pool->funcs->calculate_mall_ways_from_bytes(dc, mall_ss_size_bytes);
} else {
num_ways = 0;
}
return num_ways;
}
bool dcn32_apply_idle_power_optimizations(struct dc *dc, bool enable)
{ union dmub_rb_cmd cmd;
uint8_t i;
uint32_t ways; int j; bool mall_ss_unsupported = false; struct dc_plane_state *plane = NULL;
if (!dc->ctx->dmub_srv) returnfalse;
for (i = 0; i < dc->current_state->stream_count; i++) { /* MALL SS messaging is not supported with PSR at this time */ if (dc->current_state->streams[i] != NULL &&
dc->current_state->streams[i]->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED &&
(dc->current_state->stream_count > 1 || (!dc->current_state->streams[i]->dpms_off &&
dc->current_state->stream_status[i].plane_count > 0))) returnfalse;
}
if (enable) { /* 1. Check no memory request case for CAB. * If no memory request case, send CAB_ACTION NO_DF_REQ DMUB message
*/ if (dcn32_check_no_memory_request_for_cab(dc)) { /* Enable no-memory-requests case */
memset(&cmd, 0, sizeof(cmd));
cmd.cab.header.type = DMUB_CMD__CAB_FOR_SS;
cmd.cab.header.sub_type = DMUB_CMD__CAB_NO_DCN_REQ;
cmd.cab.header.payload_bytes = sizeof(cmd.cab) - sizeof(cmd.cab.header);
/* 2. Check if all surfaces can fit in CAB. * If surfaces can fit into CAB, send CAB_ACTION_ALLOW DMUB message * and configure HUBP's to fetch from MALL
*/
ways = dcn32_calculate_cab_allocation(dc, dc->current_state);
/* MALL not supported with Stereo3D or TMZ surface. If any plane is using stereo, * or TMZ surface, don't try to enter MALL.
*/ for (i = 0; i < dc->current_state->stream_count; i++) { for (j = 0; j < dc->current_state->stream_status[i].plane_count; j++) {
plane = dc->current_state->stream_status[i].plane_states[j];
/* Send DMCUB message with SubVP pipe info * - For each pipe in context, populate payload with required SubVP information * if the pipe is using SubVP for MCLK switch * - This function must be called while the DMUB HW lock is acquired by driver
*/ void dcn32_commit_subvp_config(struct dc *dc, struct dc_state *context)
{ int i; bool enable_subvp = false;
if (!dc->ctx || !dc->ctx->dmub_srv) return;
for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
if (pipe_ctx->stream && dc_state_get_pipe_subvp_type(context, pipe_ctx) == SUBVP_MAIN) { // There is at least 1 SubVP pipe, so enable SubVP
enable_subvp = true; break;
}
}
dc_dmub_setup_subvp_dmub_command(dc, context, enable_subvp);
}
/* Sub-Viewport DMUB lock needs to be acquired by driver whenever SubVP is active and: * 1. Any full update for any SubVP main pipe * 2. Any immediate flip for any SubVP pipe * 3. Any flip for DRR pipe * 4. If SubVP was previously in use (i.e. in old context)
*/ void dcn32_subvp_pipe_control_lock(struct dc *dc, struct dc_state *context, bool lock, bool should_lock_all_pipes, struct pipe_ctx *top_pipe_to_program, bool subvp_prev_use)
{ unsignedint i = 0; bool subvp_immediate_flip = false; bool subvp_in_use = false; struct pipe_ctx *pipe; enum mall_stream_type pipe_mall_type = SUBVP_NONE;
for (i = 0; i < dc->res_pool->pipe_count; i++) {
pipe = &context->res_ctx.pipe_ctx[i];
pipe_mall_type = dc_state_get_pipe_subvp_type(context, pipe);
// Don't need to lock for DRR VSYNC flips -- FW will wait for DRR pending update cleared. if (subvp_immediate_flip) { union dmub_inbox0_cmd_lock_hw hw_lock_cmd = { 0 };
// 3D if (plane_state->lut3d_func.state.bits.initialized == 1)
result = mpc->funcs->program_3dlut(mpc, &plane_state->lut3d_func.lut_3d, mpcc_id); else
result = mpc->funcs->program_3dlut(mpc, NULL, mpcc_id);
if (pipe_ctx->stream_res.opp &&
pipe_ctx->stream_res.opp->ctx &&
hws->funcs.set_mcm_luts)
result = hws->funcs.set_mcm_luts(pipe_ctx, plane_state);
return result;
}
bool dcn32_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx, conststruct dc_stream_state *stream)
{ int mpcc_id = pipe_ctx->plane_res.hubp->inst; struct mpc *mpc = pipe_ctx->stream_res.opp->ctx->dc->res_pool->mpc; conststruct pwl_params *params = NULL; bool ret = false;
/* program OGAM or 3DLUT only for the top pipe*/ if (resource_is_pipe_type(pipe_ctx, OPP_HEAD)) { /*program shaper and 3dlut in MPC*/
ret = dcn32_set_mpc_shaper_3dlut(pipe_ctx, stream); if (ret == false && mpc->funcs->set_output_gamma) { if (stream->out_transfer_func.type == TF_TYPE_HWPWL)
params = &stream->out_transfer_func.pwl; elseif (pipe_ctx->stream->out_transfer_func.type ==
TF_TYPE_DISTRIBUTED_POINTS &&
cm3_helper_translate_curve_to_hw_format(
&stream->out_transfer_func,
&mpc->blender_params, false))
params = &mpc->blender_params; /* there are no ROM LUTs in OUTGAM */ if (stream->out_transfer_func.type == TF_TYPE_PREDEFINED)
BREAK_TO_DEBUGGER();
}
}
if (mpc->funcs->set_output_gamma)
mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
return ret;
}
/* Program P-State force value according to if pipe is using SubVP / FPO or not: * 1. Reset P-State force on all pipes first * 2. For each main pipe, force P-State disallow (P-State allow moderated by DMUB)
*/ void dcn32_update_force_pstate(struct dc *dc, struct dc_state *context)
{ int i;
/* Unforce p-state for each pipe if it is not FPO or SubVP. * For FPO and SubVP, if it's already forced disallow, leave * it as disallow.
*/ for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; struct hubp *hubp = pipe->plane_res.hubp; struct dc_stream_status *stream_status = NULL;
if (pipe->stream)
stream_status = dc_state_get_stream_status(context, pipe->stream);
if (!pipe->stream || !(dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN ||
(stream_status && stream_status->fpo_in_use))) { if (hubp && hubp->funcs->hubp_update_force_pstate_disallow)
hubp->funcs->hubp_update_force_pstate_disallow(hubp, false); if (hubp && hubp->funcs->hubp_update_force_cursor_pstate_disallow)
hubp->funcs->hubp_update_force_cursor_pstate_disallow(hubp, false);
}
}
/* Loop through each pipe -- for each subvp main pipe force p-state allow equal to false.
*/ for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i]; struct hubp *hubp = pipe->plane_res.hubp; struct dc_stream_status *stream_status = NULL; struct dc_stream_status *old_stream_status = NULL;
/* Today for MED update type we do not call update clocks. However, for FPO * the assumption is that update clocks should be called to disable P-State * switch before any HW programming since FPO in FW and driver are not * synchronized. This causes an issue where on a MED update, an FPO P-State * switch could be taking place, then driver forces P-State disallow in the below * code and prevents FPO from completing the sequence. In this case we add a check * to avoid re-programming (and thus re-setting) the P-State force register by * only reprogramming if the pipe was not previously Subvp or FPO. The assumption * is that the P-State force register should be programmed correctly the first * time SubVP / FPO was enabled, so there's no need to update / reset it if the * pipe config has never exited SubVP / FPO.
*/ if (pipe->stream)
stream_status = dc_state_get_stream_status(context, pipe->stream); if (old_pipe->stream)
old_stream_status = dc_state_get_stream_status(dc->current_state, old_pipe->stream);
/* Update MALL_SEL register based on if pipe / plane * is a phantom pipe, main pipe, and if using MALL * for SS.
*/ void dcn32_update_mall_sel(struct dc *dc, struct dc_state *context)
{ int i; unsignedint num_ways = dcn32_calculate_cab_allocation(dc, context); bool cache_cursor = false;
for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; struct hubp *hubp = pipe->plane_res.hubp;
if (pipe->stream && pipe->plane_state && hubp && hubp->funcs->hubp_update_mall_sel) { int cursor_size = hubp->curs_attr.pitch * hubp->curs_attr.height;
switch (hubp->curs_attr.color_format) { case CURSOR_MODE_MONO:
cursor_size /= 2; break; case CURSOR_MODE_COLOR_1BIT_AND: case CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA: case CURSOR_MODE_COLOR_UN_PRE_MULTIPLIED_ALPHA:
cursor_size *= 4; break;
case CURSOR_MODE_COLOR_64BIT_FP_PRE_MULTIPLIED: case CURSOR_MODE_COLOR_64BIT_FP_UN_PRE_MULTIPLIED: default:
cursor_size *= 8; break;
}
/* Program the sub-viewport pipe configuration after the main / phantom pipes * have been programmed in hardware. * 1. Update force P-State for all the main pipes (disallow P-state) * 2. Update MALL_SEL register * 3. Program FORCE_ONE_ROW_FOR_FRAME for main subvp pipes
*/ void dcn32_program_mall_pipe_config(struct dc *dc, struct dc_state *context)
{ int i; struct dce_hwseq *hws = dc->hwseq;
// Don't force p-state disallow -- can't block dummy p-state
// Update MALL_SEL register for each pipe if (hws && hws->funcs.update_mall_sel)
hws->funcs.update_mall_sel(dc, context);
// Program FORCE_ONE_ROW_FOR_FRAME and CURSOR_REQ_MODE for main subvp pipes for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; struct hubp *hubp = pipe->plane_res.hubp;
if (pipe->stream && hubp && hubp->funcs->hubp_prepare_subvp_buffering) { /* TODO - remove setting CURSOR_REQ_MODE to 0 for legacy cases * - need to investigate single pipe MPO + SubVP case to * see if CURSOR_REQ_MODE will be back to 1 for SubVP * when it should be 0 for MPO
*/ if (dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN)
hubp->funcs->hubp_prepare_subvp_buffering(hubp, true);
}
}
}
staticvoid dcn32_initialize_min_clocks(struct dc *dc)
{ struct dc_clocks *clocks = &dc->current_state->bw_ctx.bw.dcn.clk;
clocks->dcfclk_deep_sleep_khz = DCN3_2_DCFCLK_DS_INIT_KHZ;
clocks->dcfclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dcfclk_mhz * 1000;
clocks->socclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].socclk_mhz * 1000;
clocks->dramclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].memclk_mhz * 1000;
clocks->dppclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dppclk_mhz * 1000;
clocks->ref_dtbclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dtbclk_mhz * 1000;
clocks->fclk_p_state_change_support = true;
clocks->p_state_change_support = true; if (dc->debug.disable_boot_optimizations) {
clocks->dispclk_khz = dc->clk_mgr->bw_params->clk_table.entries[0].dispclk_mhz * 1000;
} else { /* Even though DPG_EN = 1 for the connected display, it still requires the * correct timing so we cannot set DISPCLK to min freq or it could cause * audio corruption. Read current DISPCLK from DENTIST and request the same * freq to ensure that the timing is valid and unchanged.
*/
clocks->dispclk_khz = dc->clk_mgr->funcs->get_dispclk_from_dentist(dc->clk_mgr);
}
if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->init_clocks)
dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
// Initialize the dccg if (res_pool->dccg->funcs->dccg_init)
res_pool->dccg->funcs->dccg_init(res_pool->dccg);
if (!dcb->funcs->is_accelerated_mode(dcb)) {
hws->funcs.bios_golden_init(dc);
hws->funcs.disable_vga(dc->hwseq);
}
// Set default OPTC memory power states if (dc->debug.enable_mem_low_power.bits.optc) { // Shutdown when unassigned and light sleep in VBLANK
REG_SET_2(ODM_MEM_PWR_CTRL3, 0, ODM_MEM_UNASSIGNED_PWR_MODE, 3, ODM_MEM_VBLANK_PWR_MODE, 1);
}
if (dc->debug.enable_mem_low_power.bits.vga) { // Power down VGA memory
REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
}
if (dc->ctx->dc_bios->fw_info_valid) {
res_pool->ref_clocks.xtalin_clock_inKhz =
dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency;
if (res_pool->hubbub) {
(res_pool->dccg->funcs->get_dccg_ref_freq)(res_pool->dccg,
dc->ctx->dc_bios->fw_info.pll_info.crystal_frequency,
&res_pool->ref_clocks.dccg_ref_clock_inKhz);
(res_pool->hubbub->funcs->get_dchub_ref_freq)(res_pool->hubbub,
res_pool->ref_clocks.dccg_ref_clock_inKhz,
&res_pool->ref_clocks.dchub_ref_clock_inKhz);
} else { // Not all ASICs have DCCG sw component
res_pool->ref_clocks.dccg_ref_clock_inKhz =
res_pool->ref_clocks.xtalin_clock_inKhz;
res_pool->ref_clocks.dchub_ref_clock_inKhz =
res_pool->ref_clocks.xtalin_clock_inKhz;
}
} else
ASSERT_CRITICAL(false);
for (i = 0; i < dc->link_count; i++) { /* Power up AND update implementation according to the * required signal (which may be different from the * default signal on connector).
*/ struct dc_link *link = dc->links[i];
link->link_enc->funcs->hw_init(link->link_enc);
/* Check for enabled DIG to identify enabled display */ if (link->link_enc->funcs->is_dig_enabled &&
link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
link->link_status.link_active = true;
link->phy_state.symclk_state = SYMCLK_ON_TX_ON; if (link->link_enc->funcs->fec_is_active &&
link->link_enc->funcs->fec_is_active(link->link_enc))
link->fec_state = dc_link_fec_enabled;
}
}
/* enable_power_gating_plane before dsc_pg_control because * FORCEON = 1 with hw default value on bootup, resume from s3
*/ if (hws->funcs.enable_power_gating_plane)
hws->funcs.enable_power_gating_plane(dc->hwseq, true);
/* we want to turn off all dp displays before doing detection */
dc->link_srv->blank_all_dp_displays(dc);
/* If taking control over from VBIOS, we may want to optimize our first * mode set, so we need to skip powering down pipes until we know which * pipes we want to use. * Otherwise, if taking control is not possible, we need to power * everything down.
*/ if (dcb->funcs->is_accelerated_mode(dcb) || !dc->config.seamless_boot_edp_requested) { /* Disable boot optimizations means power down everything including PHY, DIG, * and OTG (i.e. the boot is not optimized because we do a full power down).
*/ if (dc->hwss.enable_accelerated_mode && dc->debug.disable_boot_optimizations)
dc->hwss.enable_accelerated_mode(dc, dc->current_state); else
hws->funcs.init_pipes(dc, dc->current_state);
if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
dcn32_initialize_min_clocks(dc);
/* On HW init, allow idle optimizations after pipes have been turned off. * * In certain D3 cases (i.e. BOCO / BOMACO) it's possible that hardware state * is reset (i.e. not in idle at the time hw init is called), but software state * still has idle_optimizations = true, so we must disable idle optimizations first * (i.e. set false), then re-enable (set true).
*/
dc_allow_idle_optimizations(dc, false);
dc_allow_idle_optimizations(dc, true);
}
/* In headless boot cases, DIG may be turned * on which causes HW/SW discrepancies. * To avoid this, power down hardware on boot * if DIG is turned on and seamless boot not enabled
*/ if (!dc->config.seamless_boot_edp_requested) { struct dc_link *edp_links[MAX_NUM_EDP]; struct dc_link *edp_link;
dc_get_edp_links(dc, edp_links, &edp_num); if (edp_num) { for (i = 0; i < edp_num; i++) {
edp_link = edp_links[i]; if (edp_link->link_enc->funcs->is_dig_enabled &&
edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
dc->hwss.edp_backlight_control &&
hws->funcs.power_down &&
dc->hwss.edp_power_control) {
dc->hwss.edp_backlight_control(edp_link, false);
hws->funcs.power_down(dc);
dc->hwss.edp_power_control(edp_link, false);
}
}
} else { for (i = 0; i < dc->link_count; i++) { struct dc_link *link = dc->links[i];
if (link->link_enc->funcs->is_dig_enabled &&
link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
hws->funcs.power_down) {
hws->funcs.power_down(dc); break;
}
}
}
}
for (i = 0; i < res_pool->audio_count; i++) { struct audio *audio = res_pool->audios[i];
audio->funcs->hw_init(audio);
}
for (i = 0; i < dc->link_count; i++) { struct dc_link *link = dc->links[i];
for (i = 0; i < dc->res_pool->pipe_count; i++) { if (abms[i] != NULL && abms[i]->funcs != NULL)
abms[i]->funcs->abm_init(abms[i], backlight, user_level);
}
/* power AFMT HDMI memory TODO: may move to dis/en output save power*/
REG_WRITE(DIO_MEM_PWR_CTRL, 0);
if (!dc->debug.disable_clock_gate) { /* enable all DCN clock gating */
REG_WRITE(DCCG_GATE_DISABLE_CNTL, 0);
REG_WRITE(DCCG_GATE_DISABLE_CNTL2, 0);
REG_UPDATE(DCFCLK_CNTL, DCFCLK_GATE_DIS, 0);
}
if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->notify_wm_ranges)
dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->set_hard_max_memclk &&
!dc->clk_mgr->dc_mode_softmax_enabled)
dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
if (dc->res_pool->hubbub->funcs->force_pstate_change_control)
dc->res_pool->hubbub->funcs->force_pstate_change_control(
dc->res_pool->hubbub, false, false);
if (dc->res_pool->hubbub->funcs->init_crb)
dc->res_pool->hubbub->funcs->init_crb(dc->res_pool->hubbub);
if (dc->res_pool->hubbub->funcs->set_request_limit && dc->config.sdpif_request_limit_words_per_umc > 0)
dc->res_pool->hubbub->funcs->set_request_limit(dc->res_pool->hubbub, dc->ctx->dc_bios->vram_info.num_chans, dc->config.sdpif_request_limit_words_per_umc);
/* for DCN401 testing only */
dc->caps.dmub_caps.fams_ver = dc->ctx->dmub_srv->dmub->feature_caps.fw_assisted_mclk_switch_ver; if (dc->caps.dmub_caps.fams_ver == 2) { /* FAMS2 is enabled */
dc->debug.fams2_config.bits.enable &= true;
} elseif (dc->ctx->dmub_srv->dmub->fw_version <
DMUB_FW_VERSION(7, 0, 35)) { /* FAMS2 is disabled */
dc->debug.fams2_config.bits.enable = false; if (dc->debug.using_dml2 && dc->res_pool->funcs->update_bw_bounding_box) { /* update bounding box if FAMS2 disabled */
dc->res_pool->funcs->update_bw_bounding_box(dc, dc->clk_mgr->bw_params);
}
dc->debug.force_disable_subvp = true;
dc->debug.disable_fpo_optimizations = true;
}
}
}
void dcn32_update_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
{ struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc; struct dc *dc = pipe_ctx->stream->ctx->dc; struct dc_stream_state *stream = pipe_ctx->stream; struct pipe_ctx *odm_pipe; int opp_cnt = 1; struct dccg *dccg = dc->res_pool->dccg; /* It has been found that when DSCCLK is lower than 16Mhz, we will get DCN * register access hung. When DSCCLk is based on refclk, DSCCLk is always a * fixed value higher than 16Mhz so the issue doesn't occur. When DSCCLK is * generated by DTO, DSCCLK would be based on 1/3 dispclk. For small timings * with DSC such as 480p60Hz, the dispclk could be low enough to trigger * this problem. We are implementing a workaround here to keep using dscclk * based on fixed value refclk when timing is smaller than 3x16Mhz (i.e * 48Mhz) pixel clock to avoid hitting this problem.
*/ bool should_use_dto_dscclk = (dccg->funcs->set_dto_dscclk != NULL) &&
stream->timing.pix_clk_100hz > 480000;
ASSERT(dsc); for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
opp_cnt++;
if (!dsc) {
DC_LOG_DSC("DSC is NULL for tg instance %d:", pipe_ctx->stream_res.tg->inst); return;
}
if (dsc->funcs->dsc_read_state) {
dsc->funcs->dsc_read_state(dsc, &dsc_state); if (!dsc_state.dsc_fw_en) {
DC_LOG_DSC("DSC has been disabled for tg instance %d:", pipe_ctx->stream_res.tg->inst); return;
}
}
/* only disconnect DSC block, DSC is disabled when OPP head pipe is reset */
dsc->funcs->dsc_disconnect(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_disconnect(odm_pipe->stream_res.dsc);
}
}
}
/* * Given any pipe_ctx, return the total ODM combine factor, and optionally return * the OPPids which are used
* */ staticunsignedint get_odm_config(struct pipe_ctx *pipe_ctx, unsignedint *opp_instances)
{ unsignedint 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 dcn32_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}; int odm_slice_width = resource_get_odm_slice_dst_width(pipe_ctx, false); int last_odm_slice_width = resource_get_odm_slice_dst_width(pipe_ctx, true);
/* 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);
}
}
if (!resource_is_pipe_type(pipe_ctx, DPP_PIPE)) /* * blank pattern is generated by OPP, reprogram blank pattern * due to OPP count change
*/
dc->hwseq->funcs.blank_pixel_data(dc, pipe_ctx, true);
}
for (i = 0; i < dc->res_pool->pipe_count; i++) { if (i <= current_pipe_idx)
pipe = &context->res_ctx.pipe_ctx[i]; else
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (otg_disabled[i]) { int opp_inst[MAX_PIPES] = { pipe->stream_res.opp->inst }; int opp_cnt = 1; int last_odm_slice_width = resource_get_odm_slice_dst_width(pipe, true); int odm_slice_width = resource_get_odm_slice_dst_width(pipe, false); struct pipe_ctx *odm_pipe;
if (link->dc->link_srv->dp_is_128b_132b_signal(pipe_ctx)) { /* TODO - DP2.0 HW: Set ODM mode in dp hpo encoder here */
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_unblank(
pipe_ctx->stream_res.hpo_dp_stream_enc,
pipe_ctx->stream_res.tg->inst);
} elseif (dc_is_dp_signal(pipe_ctx->stream->signal)) { if (pipe_ctx->stream_res.tg->funcs->is_two_pixels_per_container(&stream->timing) ||
params.opp_cnt > 1) {
params.timing.pix_clk_100hz /= 2;
params.pix_per_cycle = 2;
} if (pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine)
pipe_ctx->stream_res.stream_enc->funcs->dp_set_odm_combine(
pipe_ctx->stream_res.stream_enc, params.pix_per_cycle > 1);
pipe_ctx->stream_res.stream_enc->funcs->dp_unblank(link, pipe_ctx->stream_res.stream_enc, ¶ms);
}
if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP)
hws->funcs.edp_backlight_control(link, true);
}
bool dcn32_is_dp_dig_pixel_rate_div_policy(struct pipe_ctx *pipe_ctx)
{ struct dc *dc = pipe_ctx->stream->ctx->dc;
if (!is_h_timing_divisible_by_2(pipe_ctx->stream)) returnfalse;
if (dc_is_dp_signal(pipe_ctx->stream->signal) && !dc->link_srv->dp_is_128b_132b_signal(pipe_ctx) &&
dc->debug.enable_dp_dig_pixel_rate_div_policy) returntrue; returnfalse;
}
staticvoid apply_symclk_on_tx_off_wa(struct dc_link *link)
{ /* There are use cases where SYMCLK is referenced by OTG. For instance * for TMDS signal, OTG relies SYMCLK even if TX video output is off. * However current link interface will power off PHY when disabling link * output. This will turn off SYMCLK generated by PHY. The workaround is * to identify such case where SYMCLK is still in use by OTG when we * power off PHY. When this is detected, we will temporarily power PHY * back on and move PHY's SYMCLK state to SYMCLK_ON_TX_OFF by calling * program_pix_clk interface. When OTG is disabled, we will then power * off PHY by calling disable link output again. * * In future dcn generations, we plan to rework transmitter control * interface so that we could have an option to set SYMCLK ON TX OFF * state in one step without this workaround
*/
link_hwss->disable_link_output(link, link_res, signal);
link->phy_state.symclk_state = SYMCLK_OFF_TX_OFF; /* * Add the logic to extract BOTH power up and power down sequences * from enable/disable link output and only call edp panel control * in enable_link_dp and disable_link_dp once.
*/ if (dmcu != NULL && dmcu->funcs->unlock_phy)
dmcu->funcs->unlock_phy(dmcu);
/* For SubVP the main pipe can have a viewport position change * without a full update. In this case we must also update the * viewport positions for the phantom pipe accordingly.
*/ void dcn32_update_phantom_vp_position(struct dc *dc, struct dc_state *context, struct pipe_ctx *phantom_pipe)
{
uint32_t i; struct dc_plane_state *phantom_plane = phantom_pipe->plane_state;
for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
if (pipe->stream && dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_MAIN &&
dc_state_get_paired_subvp_stream(context, pipe->stream) == phantom_pipe->stream) { if (pipe->plane_state && pipe->plane_state->update_flags.bits.position_change) {
/* Treat the phantom pipe as if it needs to be fully enabled. * If the pipe was previously in use but not phantom, it would * have been disabled earlier in the sequence so we need to run * the full enable sequence.
*/ void dcn32_apply_update_flags_for_phantom(struct pipe_ctx *phantom_pipe)
{
phantom_pipe->update_flags.raw = 0; if (resource_is_pipe_type(phantom_pipe, DPP_PIPE)) {
phantom_pipe->update_flags.bits.enable = 1;
phantom_pipe->update_flags.bits.mpcc = 1;
phantom_pipe->update_flags.bits.dppclk = 1;
phantom_pipe->update_flags.bits.hubp_interdependent = 1;
phantom_pipe->update_flags.bits.hubp_rq_dlg_ttu = 1;
phantom_pipe->update_flags.bits.gamut_remap = 1;
phantom_pipe->update_flags.bits.scaler = 1;
phantom_pipe->update_flags.bits.viewport = 1;
phantom_pipe->update_flags.bits.det_size = 1; if (resource_is_pipe_type(phantom_pipe, OTG_MASTER)) {
phantom_pipe->update_flags.bits.odm = 1;
phantom_pipe->update_flags.bits.global_sync = 1;
}
}
}
if (hws->funcs.reset_back_end_for_pipe)
hws->funcs.reset_back_end_for_pipe(dc, pipe_ctx_old, dc->current_state); if (hws->funcs.enable_stream_gating)
hws->funcs.enable_stream_gating(dc, pipe_ctx_old); if (old_clk)
old_clk->funcs->cs_power_down(old_clk);
}
}
}
void dcn32_enable_phantom_streams(struct dc *dc, struct dc_state *context)
{ unsignedint i; enum dc_status status = DC_OK; struct dce_hwseq *hws = dc->hwseq;
for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; struct pipe_ctx *old_pipe = &dc->current_state->res_ctx.pipe_ctx[i];
/* If an active, non-phantom pipe is being transitioned into a phantom * pipe, wait for the double buffer update to complete first before we do * ANY phantom pipe programming.
*/ if (pipe->stream && dc_state_get_pipe_subvp_type(context, pipe) == SUBVP_PHANTOM &&
old_pipe->stream && dc_state_get_pipe_subvp_type(dc->current_state, old_pipe) != SUBVP_PHANTOM) {
old_pipe->stream_res.tg->funcs->wait_for_state(
old_pipe->stream_res.tg,
CRTC_STATE_VBLANK);
old_pipe->stream_res.tg->funcs->wait_for_state(
old_pipe->stream_res.tg,
CRTC_STATE_VACTIVE);
}
} for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe_ctx_old =
&dc->current_state->res_ctx.pipe_ctx[i]; struct pipe_ctx *pipe_ctx = &context->res_ctx.pipe_ctx[i];
if (pipe_ctx->stream == NULL) continue;
if (dc_state_get_pipe_subvp_type(context, pipe_ctx) != SUBVP_PHANTOM) continue;
if (pipe_ctx->stream == pipe_ctx_old->stream &&
pipe_ctx->stream->link->link_state_valid) { continue;
}
if (pipe_ctx_old->stream && !pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) continue;
if (pipe_ctx->top_pipe || pipe_ctx->prev_odm_pipe) continue;
if (hws->funcs.apply_single_controller_ctx_to_hw)
status = hws->funcs.apply_single_controller_ctx_to_hw(
pipe_ctx,
context,
dc);
/* program opp dpg blank color */
color_space = COLOR_SPACE_SRGB;
color_space_to_black_color(dc, color_space, &black_color);
/* get the OTG active size */
tg->funcs->get_otg_active_size(tg,
&otg_active_width,
&otg_active_height);
/* get the OPTC source */
tg->funcs->get_optc_source(tg, &num_opps, &opp_id_src0, &opp_id_src1);
if (opp_id_src0 >= dc->res_pool->res_cap->num_opp) {
ASSERT(false); return;
}
for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) { if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src0) {
opp = dc->res_pool->opps[i]; break;
}
}
if (num_opps == 2) {
otg_active_width = otg_active_width / 2;
if (opp_id_src1 >= dc->res_pool->res_cap->num_opp) {
ASSERT(false); return;
} for (i = 0; i < dc->res_pool->res_cap->num_opp; i++) { if (dc->res_pool->opps[i] != NULL && dc->res_pool->opps[i]->inst == opp_id_src1) {
bottom_opp = dc->res_pool->opps[i]; break;
}
}
}
if (opp)
hws->funcs.wait_for_blank_complete(opp);
}
/* phantom stream id's can change often, but can be identical between contexts. * This function checks for the condition the streams are identical to avoid * redundant pipe transitions.
*/ staticbool is_subvp_phantom_topology_transition_seamless( conststruct dc_state *cur_ctx, conststruct dc_state *new_ctx, conststruct pipe_ctx *cur_pipe, conststruct pipe_ctx *new_pipe)
{ enum mall_stream_type cur_pipe_type = dc_state_get_pipe_subvp_type(cur_ctx, cur_pipe); enum mall_stream_type new_pipe_type = dc_state_get_pipe_subvp_type(new_ctx, new_pipe);
for (i = 0; i < dc->res_pool->pipe_count; i++) {
cur_pipe = &cur_ctx->res_ctx.pipe_ctx[i];
new_pipe = &new_ctx->res_ctx.pipe_ctx[i];
if (resource_is_pipe_type(cur_pipe, FREE_PIPE) ||
resource_is_pipe_type(new_pipe, FREE_PIPE)) /* adding or removing free pipes is always seamless */ continue; elseif (resource_is_pipe_type(cur_pipe, OTG_MASTER)) { if (resource_is_pipe_type(new_pipe, OTG_MASTER)) if (cur_pipe->stream->stream_id == new_pipe->stream->stream_id ||
is_subvp_phantom_topology_transition_seamless(cur_ctx, new_ctx, cur_pipe, new_pipe)) /* OTG master with the same stream is seamless */ continue;
} elseif (resource_is_pipe_type(cur_pipe, OPP_HEAD)) { if (resource_is_pipe_type(new_pipe, OPP_HEAD)) { if (cur_pipe->stream_res.tg == new_pipe->stream_res.tg) /* * OPP heads sharing the same timing * generator is seamless
*/ continue;
}
} elseif (resource_is_pipe_type(cur_pipe, DPP_PIPE)) { if (resource_is_pipe_type(new_pipe, DPP_PIPE)) { if (cur_pipe->stream_res.opp == new_pipe->stream_res.opp) /* * DPP pipes sharing the same OPP head is * seamless
*/ continue;
}
}
/* * This pipe's transition doesn't fall under any seamless * conditions
*/
is_seamless = false; break;
}
return is_seamless;
}
void dcn32_prepare_bandwidth(struct dc *dc, struct dc_state *context)
{ bool p_state_change_support = context->bw_ctx.bw.dcn.clk.p_state_change_support; /* Any transition into an FPO config should disable MCLK switching first to avoid * driver and FW P-State synchronization issues.
*/ if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching || dc->clk_mgr->clks.fw_based_mclk_switching) {
dc->optimized_required = true;
context->bw_ctx.bw.dcn.clk.p_state_change_support = false;
}
if (dc->clk_mgr->dc_mode_softmax_enabled) if (dc->clk_mgr->clks.dramclk_khz <= dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000 &&
context->bw_ctx.bw.dcn.clk.dramclk_khz > dc->clk_mgr->bw_params->dc_mode_softmax_memclk * 1000)
dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz);
dcn20_prepare_bandwidth(dc, context);
if (!context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching)
dc_dmub_srv_p_state_delegate(dc, false, context);
if (context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching || dc->clk_mgr->clks.fw_based_mclk_switching) { /* After disabling P-State, restore the original value to ensure we get the correct P-State * on the next optimize.
*/
context->bw_ctx.bw.dcn.clk.p_state_change_support = p_state_change_support;
}
}
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