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linux-zen-desktop/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c

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Initial commit
2023-08-30 17:31:07 +02:00
/*
* Copyright 2019 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 "dc.h"
#include "dc_dmub_srv.h"
#include "../dmub/dmub_srv.h"
#include "dm_helpers.h"
#include "dc_hw_types.h"
#include "core_types.h"
#include "../basics/conversion.h"
#include "cursor_reg_cache.h"
#define CTX dc_dmub_srv->ctx
#define DC_LOGGER CTX->logger
static void dc_dmub_srv_construct(struct dc_dmub_srv *dc_srv, struct dc *dc,
struct dmub_srv *dmub)
{
dc_srv->dmub = dmub;
dc_srv->ctx = dc->ctx;
}
struct dc_dmub_srv *dc_dmub_srv_create(struct dc *dc, struct dmub_srv *dmub)
{
struct dc_dmub_srv *dc_srv =
kzalloc(sizeof(struct dc_dmub_srv), GFP_KERNEL);
if (dc_srv == NULL) {
BREAK_TO_DEBUGGER();
return NULL;
}
dc_dmub_srv_construct(dc_srv, dc, dmub);
return dc_srv;
}
void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv)
{
if (*dmub_srv) {
kfree(*dmub_srv);
*dmub_srv = NULL;
}
}
void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
union dmub_rb_cmd *cmd)
{
struct dmub_srv *dmub = dc_dmub_srv->dmub;
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
enum dmub_status status;
status = dmub_srv_cmd_queue(dmub, cmd);
if (status == DMUB_STATUS_OK)
return;
if (status != DMUB_STATUS_QUEUE_FULL)
goto error;
/* Execute and wait for queue to become empty again. */
dc_dmub_srv_cmd_execute(dc_dmub_srv);
dc_dmub_srv_wait_idle(dc_dmub_srv);
/* Requeue the command. */
status = dmub_srv_cmd_queue(dmub, cmd);
if (status == DMUB_STATUS_OK)
return;
error:
DC_ERROR("Error queuing DMUB command: status=%d\n", status);
dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
}
void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv)
{
struct dmub_srv *dmub = dc_dmub_srv->dmub;
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
enum dmub_status status;
status = dmub_srv_cmd_execute(dmub);
if (status != DMUB_STATUS_OK) {
DC_ERROR("Error starting DMUB execution: status=%d\n", status);
dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
}
}
void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv)
{
struct dmub_srv *dmub = dc_dmub_srv->dmub;
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
enum dmub_status status;
status = dmub_srv_wait_for_idle(dmub, 100000);
if (status != DMUB_STATUS_OK) {
DC_ERROR("Error waiting for DMUB idle: status=%d\n", status);
dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
}
}
void dc_dmub_srv_clear_inbox0_ack(struct dc_dmub_srv *dmub_srv)
{
struct dmub_srv *dmub = dmub_srv->dmub;
struct dc_context *dc_ctx = dmub_srv->ctx;
enum dmub_status status = DMUB_STATUS_OK;
status = dmub_srv_clear_inbox0_ack(dmub);
if (status != DMUB_STATUS_OK) {
DC_ERROR("Error clearing INBOX0 ack: status=%d\n", status);
dc_dmub_srv_log_diagnostic_data(dmub_srv);
}
}
void dc_dmub_srv_wait_for_inbox0_ack(struct dc_dmub_srv *dmub_srv)
{
struct dmub_srv *dmub = dmub_srv->dmub;
struct dc_context *dc_ctx = dmub_srv->ctx;
enum dmub_status status = DMUB_STATUS_OK;
status = dmub_srv_wait_for_inbox0_ack(dmub, 100000);
if (status != DMUB_STATUS_OK) {
DC_ERROR("Error waiting for INBOX0 HW Lock Ack\n");
dc_dmub_srv_log_diagnostic_data(dmub_srv);
}
}
void dc_dmub_srv_send_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
union dmub_inbox0_data_register data)
{
struct dmub_srv *dmub = dmub_srv->dmub;
struct dc_context *dc_ctx = dmub_srv->ctx;
enum dmub_status status = DMUB_STATUS_OK;
status = dmub_srv_send_inbox0_cmd(dmub, data);
if (status != DMUB_STATUS_OK) {
DC_ERROR("Error sending INBOX0 cmd\n");
dc_dmub_srv_log_diagnostic_data(dmub_srv);
}
}
bool dc_dmub_srv_cmd_with_reply_data(struct dc_dmub_srv *dc_dmub_srv, union dmub_rb_cmd *cmd)
{
struct dmub_srv *dmub;
enum dmub_status status;
if (!dc_dmub_srv || !dc_dmub_srv->dmub)
return false;
dmub = dc_dmub_srv->dmub;
status = dmub_srv_cmd_with_reply_data(dmub, cmd);
if (status != DMUB_STATUS_OK) {
DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status);
return false;
}
return true;
}
void dc_dmub_srv_wait_phy_init(struct dc_dmub_srv *dc_dmub_srv)
{
struct dmub_srv *dmub = dc_dmub_srv->dmub;
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
enum dmub_status status;
for (;;) {
/* Wait up to a second for PHY init. */
status = dmub_srv_wait_for_phy_init(dmub, 1000000);
if (status == DMUB_STATUS_OK)
/* Initialization OK */
break;
DC_ERROR("DMCUB PHY init failed: status=%d\n", status);
ASSERT(0);
if (status != DMUB_STATUS_TIMEOUT)
/*
* Server likely initialized or we don't have
* DMCUB HW support - this won't end.
*/
break;
/* Continue spinning so we don't hang the ASIC. */
}
}
bool dc_dmub_srv_notify_stream_mask(struct dc_dmub_srv *dc_dmub_srv,
unsigned int stream_mask)
{
struct dmub_srv *dmub;
const uint32_t timeout = 30;
if (!dc_dmub_srv || !dc_dmub_srv->dmub)
return false;
dmub = dc_dmub_srv->dmub;
return dmub_srv_send_gpint_command(
dmub, DMUB_GPINT__IDLE_OPT_NOTIFY_STREAM_MASK,
stream_mask, timeout) == DMUB_STATUS_OK;
}
bool dc_dmub_srv_is_restore_required(struct dc_dmub_srv *dc_dmub_srv)
{
struct dmub_srv *dmub;
struct dc_context *dc_ctx;
union dmub_fw_boot_status boot_status;
enum dmub_status status;
if (!dc_dmub_srv || !dc_dmub_srv->dmub)
return false;
dmub = dc_dmub_srv->dmub;
dc_ctx = dc_dmub_srv->ctx;
status = dmub_srv_get_fw_boot_status(dmub, &boot_status);
if (status != DMUB_STATUS_OK) {
DC_ERROR("Error querying DMUB boot status: error=%d\n", status);
return false;
}
return boot_status.bits.restore_required;
}
bool dc_dmub_srv_get_dmub_outbox0_msg(const struct dc *dc, struct dmcub_trace_buf_entry *entry)
{
struct dmub_srv *dmub = dc->ctx->dmub_srv->dmub;
return dmub_srv_get_outbox0_msg(dmub, entry);
}
void dc_dmub_trace_event_control(struct dc *dc, bool enable)
{
dm_helpers_dmub_outbox_interrupt_control(dc->ctx, enable);
}
void dc_dmub_srv_drr_update_cmd(struct dc *dc, uint32_t tg_inst, uint32_t vtotal_min, uint32_t vtotal_max)
{
union dmub_rb_cmd cmd = { 0 };
cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_DRR_UPDATE;
cmd.drr_update.dmub_optc_state_req.v_total_max = vtotal_max;
cmd.drr_update.dmub_optc_state_req.v_total_min = vtotal_min;
cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;
cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);
// Send the command to the DMCUB.
dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
}
void dc_dmub_srv_set_drr_manual_trigger_cmd(struct dc *dc, uint32_t tg_inst)
{
union dmub_rb_cmd cmd = { 0 };
cmd.drr_update.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
cmd.drr_update.header.sub_type = DMUB_CMD__FAMS_SET_MANUAL_TRIGGER;
cmd.drr_update.dmub_optc_state_req.tg_inst = tg_inst;
cmd.drr_update.header.payload_bytes = sizeof(cmd.drr_update) - sizeof(cmd.drr_update.header);
// Send the command to the DMCUB.
dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
}
static uint8_t dc_dmub_srv_get_pipes_for_stream(struct dc *dc, struct dc_stream_state *stream)
{
uint8_t pipes = 0;
int i = 0;
for (i = 0; i < MAX_PIPES; i++) {
struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream == stream && pipe->stream_res.tg)
pipes = i;
}
return pipes;
}
static int dc_dmub_srv_get_timing_generator_offset(struct dc *dc, struct dc_stream_state *stream)
{
int tg_inst = 0;
int i = 0;
for (i = 0; i < MAX_PIPES; i++) {
struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
if (pipe->stream == stream && pipe->stream_res.tg) {
tg_inst = pipe->stream_res.tg->inst;
break;
}
}
return tg_inst;
}
bool dc_dmub_srv_p_state_delegate(struct dc *dc, bool should_manage_pstate, struct dc_state *context)
{
union dmub_rb_cmd cmd = { 0 };
struct dmub_cmd_fw_assisted_mclk_switch_config *config_data = &cmd.fw_assisted_mclk_switch.config_data;
int i = 0;
int ramp_up_num_steps = 1; // TODO: Ramp is currently disabled. Reenable it.
uint8_t visual_confirm_enabled;
if (dc == NULL)
return false;
visual_confirm_enabled = dc->debug.visual_confirm == VISUAL_CONFIRM_FAMS;
// Format command.
cmd.fw_assisted_mclk_switch.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
cmd.fw_assisted_mclk_switch.header.sub_type = DMUB_CMD__FAMS_SETUP_FW_CTRL;
cmd.fw_assisted_mclk_switch.config_data.fams_enabled = should_manage_pstate;
cmd.fw_assisted_mclk_switch.config_data.visual_confirm_enabled = visual_confirm_enabled;
for (i = 0; context && i < context->stream_count; i++) {
struct dc_stream_state *stream = context->streams[i];
uint8_t min_refresh_in_hz = (stream->timing.min_refresh_in_uhz + 999999) / 1000000;
int tg_inst = dc_dmub_srv_get_timing_generator_offset(dc, stream);
config_data->pipe_data[tg_inst].pix_clk_100hz = stream->timing.pix_clk_100hz;
config_data->pipe_data[tg_inst].min_refresh_in_hz = min_refresh_in_hz;
config_data->pipe_data[tg_inst].max_ramp_step = ramp_up_num_steps;
config_data->pipe_data[tg_inst].pipes = dc_dmub_srv_get_pipes_for_stream(dc, stream);
}
cmd.fw_assisted_mclk_switch.header.payload_bytes =
sizeof(cmd.fw_assisted_mclk_switch) - sizeof(cmd.fw_assisted_mclk_switch.header);
// Send the command to the DMCUB.
dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
return true;
}
void dc_dmub_srv_query_caps_cmd(struct dmub_srv *dmub)
{
union dmub_rb_cmd cmd = { 0 };
enum dmub_status status;
if (!dmub) {
return;
}
memset(&cmd, 0, sizeof(cmd));
/* Prepare fw command */
cmd.query_feature_caps.header.type = DMUB_CMD__QUERY_FEATURE_CAPS;
cmd.query_feature_caps.header.sub_type = 0;
cmd.query_feature_caps.header.ret_status = 1;
cmd.query_feature_caps.header.payload_bytes = sizeof(struct dmub_cmd_query_feature_caps_data);
/* Send command to fw */
status = dmub_srv_cmd_with_reply_data(dmub, &cmd);
ASSERT(status == DMUB_STATUS_OK);
/* If command was processed, copy feature caps to dmub srv */
if (status == DMUB_STATUS_OK &&
cmd.query_feature_caps.header.ret_status == 0) {
memcpy(&dmub->feature_caps,
&cmd.query_feature_caps.query_feature_caps_data,
sizeof(struct dmub_feature_caps));
}
}
void dc_dmub_srv_get_visual_confirm_color_cmd(struct dc *dc, struct pipe_ctx *pipe_ctx)
{
union dmub_rb_cmd cmd = { 0 };
enum dmub_status status;
unsigned int panel_inst = 0;
dc_get_edp_link_panel_inst(dc, pipe_ctx->stream->link, &panel_inst);
memset(&cmd, 0, sizeof(cmd));
// Prepare fw command
cmd.visual_confirm_color.header.type = DMUB_CMD__GET_VISUAL_CONFIRM_COLOR;
cmd.visual_confirm_color.header.sub_type = 0;
cmd.visual_confirm_color.header.ret_status = 1;
cmd.visual_confirm_color.header.payload_bytes = sizeof(struct dmub_cmd_visual_confirm_color_data);
cmd.visual_confirm_color.visual_confirm_color_data.visual_confirm_color.panel_inst = panel_inst;
// Send command to fw
status = dmub_srv_cmd_with_reply_data(dc->ctx->dmub_srv->dmub, &cmd);
ASSERT(status == DMUB_STATUS_OK);
// If command was processed, copy feature caps to dmub srv
if (status == DMUB_STATUS_OK &&
cmd.visual_confirm_color.header.ret_status == 0) {
memcpy(&dc->ctx->dmub_srv->dmub->visual_confirm_color,
&cmd.visual_confirm_color.visual_confirm_color_data,
sizeof(struct dmub_visual_confirm_color));
}
}
#ifdef CONFIG_DRM_AMD_DC_DCN
/**
* populate_subvp_cmd_drr_info - Helper to populate DRR pipe info for the DMCUB subvp command
*
* @dc: [in] current dc state
* @subvp_pipe: [in] pipe_ctx for the SubVP pipe
* @vblank_pipe: [in] pipe_ctx for the DRR pipe
* @pipe_data: [in] Pipe data which stores the VBLANK/DRR info
*
* Populate the DMCUB SubVP command with DRR pipe info. All the information
* required for calculating the SubVP + DRR microschedule is populated here.
*
* High level algorithm:
* 1. Get timing for SubVP pipe, phantom pipe, and DRR pipe
* 2. Calculate the min and max vtotal which supports SubVP + DRR microschedule
* 3. Populate the drr_info with the min and max supported vtotal values
*/
static void populate_subvp_cmd_drr_info(struct dc *dc,
struct pipe_ctx *subvp_pipe,
struct pipe_ctx *vblank_pipe,
struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data)
{
struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
struct dc_crtc_timing *phantom_timing = &subvp_pipe->stream->mall_stream_config.paired_stream->timing;
struct dc_crtc_timing *drr_timing = &vblank_pipe->stream->timing;
uint16_t drr_frame_us = 0;
uint16_t min_drr_supported_us = 0;
uint16_t max_drr_supported_us = 0;
uint16_t max_drr_vblank_us = 0;
uint16_t max_drr_mallregion_us = 0;
uint16_t mall_region_us = 0;
uint16_t prefetch_us = 0;
uint16_t subvp_active_us = 0;
uint16_t drr_active_us = 0;
uint16_t min_vtotal_supported = 0;
uint16_t max_vtotal_supported = 0;
pipe_data->pipe_config.vblank_data.drr_info.drr_in_use = true;
pipe_data->pipe_config.vblank_data.drr_info.use_ramping = false; // for now don't use ramping
pipe_data->pipe_config.vblank_data.drr_info.drr_window_size_ms = 4; // hardcode 4ms DRR window for now
drr_frame_us = div64_u64(((uint64_t)drr_timing->v_total * drr_timing->h_total * 1000000),
(((uint64_t)drr_timing->pix_clk_100hz * 100)));
// P-State allow width and FW delays already included phantom_timing->v_addressable
mall_region_us = div64_u64(((uint64_t)phantom_timing->v_addressable * phantom_timing->h_total * 1000000),
(((uint64_t)phantom_timing->pix_clk_100hz * 100)));
min_drr_supported_us = drr_frame_us + mall_region_us + SUBVP_DRR_MARGIN_US;
min_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * min_drr_supported_us),
(((uint64_t)drr_timing->h_total * 1000000)));
prefetch_us = div64_u64(((uint64_t)(phantom_timing->v_total - phantom_timing->v_front_porch) * phantom_timing->h_total * 1000000),
(((uint64_t)phantom_timing->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
subvp_active_us = div64_u64(((uint64_t)main_timing->v_addressable * main_timing->h_total * 1000000),
(((uint64_t)main_timing->pix_clk_100hz * 100)));
drr_active_us = div64_u64(((uint64_t)drr_timing->v_addressable * drr_timing->h_total * 1000000),
(((uint64_t)drr_timing->pix_clk_100hz * 100)));
max_drr_vblank_us = div64_u64((subvp_active_us - prefetch_us -
dc->caps.subvp_fw_processing_delay_us - drr_active_us), 2) + drr_active_us;
max_drr_mallregion_us = subvp_active_us - prefetch_us - mall_region_us - dc->caps.subvp_fw_processing_delay_us;
max_drr_supported_us = max_drr_vblank_us > max_drr_mallregion_us ? max_drr_vblank_us : max_drr_mallregion_us;
max_vtotal_supported = div64_u64(((uint64_t)drr_timing->pix_clk_100hz * 100 * max_drr_supported_us),
(((uint64_t)drr_timing->h_total * 1000000)));
/* When calculating the max vtotal supported for SubVP + DRR cases, add
* margin due to possible rounding errors (being off by 1 line in the
* FW calculation can incorrectly push the P-State switch to wait 1 frame
* longer).
*/
max_vtotal_supported = max_vtotal_supported - dc->caps.subvp_drr_max_vblank_margin_us;
pipe_data->pipe_config.vblank_data.drr_info.min_vtotal_supported = min_vtotal_supported;
pipe_data->pipe_config.vblank_data.drr_info.max_vtotal_supported = max_vtotal_supported;
pipe_data->pipe_config.vblank_data.drr_info.drr_vblank_start_margin = dc->caps.subvp_drr_vblank_start_margin_us;
}
/**
* populate_subvp_cmd_vblank_pipe_info - Helper to populate VBLANK pipe info for the DMUB subvp command
*
* @dc: [in] current dc state
* @context: [in] new dc state
* @cmd: [in] DMUB cmd to be populated with SubVP info
* @vblank_pipe: [in] pipe_ctx for the VBLANK pipe
* @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd
*
* Populate the DMCUB SubVP command with VBLANK pipe info. All the information
* required to calculate the microschedule for SubVP + VBLANK case is stored in
* the pipe_data (subvp_data and vblank_data). Also check if the VBLANK pipe
* is a DRR display -- if it is make a call to populate drr_info.
*/
static void populate_subvp_cmd_vblank_pipe_info(struct dc *dc,
struct dc_state *context,
union dmub_rb_cmd *cmd,
struct pipe_ctx *vblank_pipe,
uint8_t cmd_pipe_index)
{
uint32_t i;
struct pipe_ctx *pipe = NULL;
struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
&cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];
// Find the SubVP pipe
for (i = 0; i < dc->res_pool->pipe_count; i++) {
pipe = &context->res_ctx.pipe_ctx[i];
// We check for master pipe, but it shouldn't matter since we only need
// the pipe for timing info (stream should be same for any pipe splits)
if (!pipe->stream || !pipe->plane_state || pipe->top_pipe || pipe->prev_odm_pipe)
continue;
// Find the SubVP pipe
if (pipe->stream->mall_stream_config.type == SUBVP_MAIN)
break;
}
pipe_data->mode = VBLANK;
pipe_data->pipe_config.vblank_data.pix_clk_100hz = vblank_pipe->stream->timing.pix_clk_100hz;
pipe_data->pipe_config.vblank_data.vblank_start = vblank_pipe->stream->timing.v_total -
vblank_pipe->stream->timing.v_front_porch;
pipe_data->pipe_config.vblank_data.vtotal = vblank_pipe->stream->timing.v_total;
pipe_data->pipe_config.vblank_data.htotal = vblank_pipe->stream->timing.h_total;
pipe_data->pipe_config.vblank_data.vblank_pipe_index = vblank_pipe->pipe_idx;
pipe_data->pipe_config.vblank_data.vstartup_start = vblank_pipe->pipe_dlg_param.vstartup_start;
pipe_data->pipe_config.vblank_data.vblank_end =
vblank_pipe->stream->timing.v_total - vblank_pipe->stream->timing.v_front_porch - vblank_pipe->stream->timing.v_addressable;
if (vblank_pipe->stream->ignore_msa_timing_param)
populate_subvp_cmd_drr_info(dc, pipe, vblank_pipe, pipe_data);
}
/**
* update_subvp_prefetch_end_to_mall_start - Helper for SubVP + SubVP case
*
* @dc: [in] current dc state
* @context: [in] new dc state
* @cmd: [in] DMUB cmd to be populated with SubVP info
* @subvp_pipes: [in] Array of SubVP pipes (should always be length 2)
*
* For SubVP + SubVP, we use a single vertical interrupt to start the
* microschedule for both SubVP pipes. In order for this to work correctly, the
* MALL REGION of both SubVP pipes must start at the same time. This function
* lengthens the prefetch end to mall start delay of the SubVP pipe that has
* the shorter prefetch so that both MALL REGION's will start at the same time.
*/
static void update_subvp_prefetch_end_to_mall_start(struct dc *dc,
struct dc_state *context,
union dmub_rb_cmd *cmd,
struct pipe_ctx *subvp_pipes[])
{
uint32_t subvp0_prefetch_us = 0;
uint32_t subvp1_prefetch_us = 0;
uint32_t prefetch_delta_us = 0;
struct dc_crtc_timing *phantom_timing0 = &subvp_pipes[0]->stream->mall_stream_config.paired_stream->timing;
struct dc_crtc_timing *phantom_timing1 = &subvp_pipes[1]->stream->mall_stream_config.paired_stream->timing;
struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data = NULL;
subvp0_prefetch_us = div64_u64(((uint64_t)(phantom_timing0->v_total - phantom_timing0->v_front_porch) *
(uint64_t)phantom_timing0->h_total * 1000000),
(((uint64_t)phantom_timing0->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
subvp1_prefetch_us = div64_u64(((uint64_t)(phantom_timing1->v_total - phantom_timing1->v_front_porch) *
(uint64_t)phantom_timing1->h_total * 1000000),
(((uint64_t)phantom_timing1->pix_clk_100hz * 100) + dc->caps.subvp_prefetch_end_to_mall_start_us));
// Whichever SubVP PIPE has the smaller prefetch (including the prefetch end to mall start time)
// should increase it's prefetch time to match the other
if (subvp0_prefetch_us > subvp1_prefetch_us) {
pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[1];
prefetch_delta_us = subvp0_prefetch_us - subvp1_prefetch_us;
pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) *
((uint64_t)phantom_timing1->pix_clk_100hz * 100) + ((uint64_t)phantom_timing1->h_total * 1000000 - 1)),
((uint64_t)phantom_timing1->h_total * 1000000));
} else if (subvp1_prefetch_us > subvp0_prefetch_us) {
pipe_data = &cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[0];
prefetch_delta_us = subvp1_prefetch_us - subvp0_prefetch_us;
pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
div64_u64(((uint64_t)(dc->caps.subvp_prefetch_end_to_mall_start_us + prefetch_delta_us) *
((uint64_t)phantom_timing0->pix_clk_100hz * 100) + ((uint64_t)phantom_timing0->h_total * 1000000 - 1)),
((uint64_t)phantom_timing0->h_total * 1000000));
}
}
/**
* populate_subvp_cmd_pipe_info - Helper to populate the SubVP pipe info for the DMUB subvp command
*
* @dc: [in] current dc state
* @context: [in] new dc state
* @cmd: [in] DMUB cmd to be populated with SubVP info
* @subvp_pipe: [in] pipe_ctx for the SubVP pipe
* @cmd_pipe_index: [in] index for the pipe array in DMCUB SubVP cmd
*
* Populate the DMCUB SubVP command with SubVP pipe info. All the information
* required to calculate the microschedule for the SubVP pipe is stored in the
* pipe_data of the DMCUB SubVP command.
*/
static void populate_subvp_cmd_pipe_info(struct dc *dc,
struct dc_state *context,
union dmub_rb_cmd *cmd,
struct pipe_ctx *subvp_pipe,
uint8_t cmd_pipe_index)
{
uint32_t j;
struct dmub_cmd_fw_assisted_mclk_switch_pipe_data_v2 *pipe_data =
&cmd->fw_assisted_mclk_switch_v2.config_data.pipe_data[cmd_pipe_index];
struct dc_crtc_timing *main_timing = &subvp_pipe->stream->timing;
struct dc_crtc_timing *phantom_timing = &subvp_pipe->stream->mall_stream_config.paired_stream->timing;
uint32_t out_num_stream, out_den_stream, out_num_plane, out_den_plane, out_num, out_den;
pipe_data->mode = SUBVP;
pipe_data->pipe_config.subvp_data.pix_clk_100hz = subvp_pipe->stream->timing.pix_clk_100hz;
pipe_data->pipe_config.subvp_data.htotal = subvp_pipe->stream->timing.h_total;
pipe_data->pipe_config.subvp_data.vtotal = subvp_pipe->stream->timing.v_total;
pipe_data->pipe_config.subvp_data.main_vblank_start =
main_timing->v_total - main_timing->v_front_porch;
pipe_data->pipe_config.subvp_data.main_vblank_end =
main_timing->v_total - main_timing->v_front_porch - main_timing->v_addressable;
pipe_data->pipe_config.subvp_data.mall_region_lines = phantom_timing->v_addressable;
pipe_data->pipe_config.subvp_data.main_pipe_index = subvp_pipe->pipe_idx;
pipe_data->pipe_config.subvp_data.is_drr = subvp_pipe->stream->ignore_msa_timing_param;
/* Calculate the scaling factor from the src and dst height.
* e.g. If 3840x2160 being downscaled to 1920x1080, the scaling factor is 1/2.
* Reduce the fraction 1080/2160 = 1/2 for the "scaling factor"
*
* Make sure to combine stream and plane scaling together.
*/
reduce_fraction(subvp_pipe->stream->src.height, subvp_pipe->stream->dst.height,
&out_num_stream, &out_den_stream);
reduce_fraction(subvp_pipe->plane_state->src_rect.height, subvp_pipe->plane_state->dst_rect.height,
&out_num_plane, &out_den_plane);
reduce_fraction(out_num_stream * out_num_plane, out_den_stream * out_den_plane, &out_num, &out_den);
pipe_data->pipe_config.subvp_data.scale_factor_numerator = out_num;
pipe_data->pipe_config.subvp_data.scale_factor_denominator = out_den;
// Prefetch lines is equal to VACTIVE + BP + VSYNC
pipe_data->pipe_config.subvp_data.prefetch_lines =
phantom_timing->v_total - phantom_timing->v_front_porch;
// Round up
pipe_data->pipe_config.subvp_data.prefetch_to_mall_start_lines =
div64_u64(((uint64_t)dc->caps.subvp_prefetch_end_to_mall_start_us * ((uint64_t)phantom_timing->pix_clk_100hz * 100) +
((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000));
pipe_data->pipe_config.subvp_data.processing_delay_lines =
div64_u64(((uint64_t)(dc->caps.subvp_fw_processing_delay_us) * ((uint64_t)phantom_timing->pix_clk_100hz * 100) +
((uint64_t)phantom_timing->h_total * 1000000 - 1)), ((uint64_t)phantom_timing->h_total * 1000000));
if (subvp_pipe->bottom_pipe) {
pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->bottom_pipe->pipe_idx;
} else if (subvp_pipe->next_odm_pipe) {
pipe_data->pipe_config.subvp_data.main_split_pipe_index = subvp_pipe->next_odm_pipe->pipe_idx;
} else {
pipe_data->pipe_config.subvp_data.main_split_pipe_index = 0;
}
// Find phantom pipe index based on phantom stream
for (j = 0; j < dc->res_pool->pipe_count; j++) {
struct pipe_ctx *phantom_pipe = &context->res_ctx.pipe_ctx[j];
if (phantom_pipe->stream == subvp_pipe->stream->mall_stream_config.paired_stream) {
pipe_data->pipe_config.subvp_data.phantom_pipe_index = phantom_pipe->pipe_idx;
if (phantom_pipe->bottom_pipe) {
pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->bottom_pipe->pipe_idx;
} else if (phantom_pipe->next_odm_pipe) {
pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = phantom_pipe->next_odm_pipe->pipe_idx;
} else {
pipe_data->pipe_config.subvp_data.phantom_split_pipe_index = 0;
}
break;
}
}
}
/**
* dc_dmub_setup_subvp_dmub_command - Populate the DMCUB SubVP command
*
* @dc: [in] current dc state
* @context: [in] new dc state
* @enable: [in] if true enables the pipes population
*
* This function loops through each pipe and populates the DMUB SubVP CMD info
* based on the pipe (e.g. SubVP, VBLANK).
*/
void dc_dmub_setup_subvp_dmub_command(struct dc *dc,
struct dc_state *context,
bool enable)
{
uint8_t cmd_pipe_index = 0;
uint32_t i, pipe_idx;
uint8_t subvp_count = 0;
union dmub_rb_cmd cmd;
struct pipe_ctx *subvp_pipes[2];
uint32_t wm_val_refclk = 0;
memset(&cmd, 0, sizeof(cmd));
// FW command for SUBVP
cmd.fw_assisted_mclk_switch_v2.header.type = DMUB_CMD__FW_ASSISTED_MCLK_SWITCH;
cmd.fw_assisted_mclk_switch_v2.header.sub_type = DMUB_CMD__HANDLE_SUBVP_CMD;
cmd.fw_assisted_mclk_switch_v2.header.payload_bytes =
sizeof(cmd.fw_assisted_mclk_switch_v2) - sizeof(cmd.fw_assisted_mclk_switch_v2.header);
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
if (!pipe->stream)
continue;
/* For SubVP pipe count, only count the top most (ODM / MPC) pipe
*/
if (pipe->plane_state && !pipe->top_pipe && !pipe->prev_odm_pipe &&
pipe->stream->mall_stream_config.type == SUBVP_MAIN)
subvp_pipes[subvp_count++] = pipe;
}
if (enable) {
// For each pipe that is a "main" SUBVP pipe, fill in pipe data for DMUB SUBVP cmd
for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
if (!pipe->stream)
continue;
/* When populating subvp cmd info, only pass in the top most (ODM / MPC) pipe.
* Any ODM or MPC splits being used in SubVP will be handled internally in
* populate_subvp_cmd_pipe_info
*/
if (pipe->plane_state && pipe->stream->mall_stream_config.paired_stream &&
!pipe->top_pipe && !pipe->prev_odm_pipe &&
pipe->stream->mall_stream_config.type == SUBVP_MAIN) {
populate_subvp_cmd_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);
} else if (pipe->plane_state && pipe->stream->mall_stream_config.type == SUBVP_NONE &&
!pipe->top_pipe && !pipe->prev_odm_pipe) {
// Don't need to check for ActiveDRAMClockChangeMargin < 0, not valid in cases where
// we run through DML without calculating "natural" P-state support
populate_subvp_cmd_vblank_pipe_info(dc, context, &cmd, pipe, cmd_pipe_index++);
}
pipe_idx++;
}
if (subvp_count == 2) {
update_subvp_prefetch_end_to_mall_start(dc, context, &cmd, subvp_pipes);
}
cmd.fw_assisted_mclk_switch_v2.config_data.pstate_allow_width_us = dc->caps.subvp_pstate_allow_width_us;
cmd.fw_assisted_mclk_switch_v2.config_data.vertical_int_margin_us = dc->caps.subvp_vertical_int_margin_us;
// Store the original watermark value for this SubVP config so we can lower it when the
// MCLK switch starts
wm_val_refclk = context->bw_ctx.bw.dcn.watermarks.a.cstate_pstate.pstate_change_ns *
(dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000) / 1000;
cmd.fw_assisted_mclk_switch_v2.config_data.watermark_a_cache = wm_val_refclk < 0xFFFF ? wm_val_refclk : 0xFFFF;
}
dc_dmub_srv_cmd_queue(dc->ctx->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->ctx->dmub_srv);
dc_dmub_srv_wait_idle(dc->ctx->dmub_srv);
}
#endif
bool dc_dmub_srv_get_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv, struct dmub_diagnostic_data *diag_data)
{
if (!dc_dmub_srv || !dc_dmub_srv->dmub || !diag_data)
return false;
return dmub_srv_get_diagnostic_data(dc_dmub_srv->dmub, diag_data);
}
void dc_dmub_srv_log_diagnostic_data(struct dc_dmub_srv *dc_dmub_srv)
{
struct dmub_diagnostic_data diag_data = {0};
if (!dc_dmub_srv || !dc_dmub_srv->dmub) {
DC_LOG_ERROR("%s: invalid parameters.", __func__);
return;
}
if (!dc_dmub_srv_get_diagnostic_data(dc_dmub_srv, &diag_data)) {
DC_LOG_ERROR("%s: dc_dmub_srv_get_diagnostic_data failed.", __func__);
return;
}
DC_LOG_DEBUG(
"DMCUB STATE\n"
" dmcub_version : %08x\n"
" scratch [0] : %08x\n"
" scratch [1] : %08x\n"
" scratch [2] : %08x\n"
" scratch [3] : %08x\n"
" scratch [4] : %08x\n"
" scratch [5] : %08x\n"
" scratch [6] : %08x\n"
" scratch [7] : %08x\n"
" scratch [8] : %08x\n"
" scratch [9] : %08x\n"
" scratch [10] : %08x\n"
" scratch [11] : %08x\n"
" scratch [12] : %08x\n"
" scratch [13] : %08x\n"
" scratch [14] : %08x\n"
" scratch [15] : %08x\n"
" pc : %08x\n"
" unk_fault_addr : %08x\n"
" inst_fault_addr : %08x\n"
" data_fault_addr : %08x\n"
" inbox1_rptr : %08x\n"
" inbox1_wptr : %08x\n"
" inbox1_size : %08x\n"
" inbox0_rptr : %08x\n"
" inbox0_wptr : %08x\n"
" inbox0_size : %08x\n"
" is_enabled : %d\n"
" is_soft_reset : %d\n"
" is_secure_reset : %d\n"
" is_traceport_en : %d\n"
" is_cw0_en : %d\n"
" is_cw6_en : %d\n",
diag_data.dmcub_version,
diag_data.scratch[0],
diag_data.scratch[1],
diag_data.scratch[2],
diag_data.scratch[3],
diag_data.scratch[4],
diag_data.scratch[5],
diag_data.scratch[6],
diag_data.scratch[7],
diag_data.scratch[8],
diag_data.scratch[9],
diag_data.scratch[10],
diag_data.scratch[11],
diag_data.scratch[12],
diag_data.scratch[13],
diag_data.scratch[14],
diag_data.scratch[15],
diag_data.pc,
diag_data.undefined_address_fault_addr,
diag_data.inst_fetch_fault_addr,
diag_data.data_write_fault_addr,
diag_data.inbox1_rptr,
diag_data.inbox1_wptr,
diag_data.inbox1_size,
diag_data.inbox0_rptr,
diag_data.inbox0_wptr,
diag_data.inbox0_size,
diag_data.is_dmcub_enabled,
diag_data.is_dmcub_soft_reset,
diag_data.is_dmcub_secure_reset,
diag_data.is_traceport_en,
diag_data.is_cw0_enabled,
diag_data.is_cw6_enabled);
}
static bool dc_can_pipe_disable_cursor(struct pipe_ctx *pipe_ctx)
{
struct pipe_ctx *test_pipe, *split_pipe;
const struct scaler_data *scl_data = &pipe_ctx->plane_res.scl_data;
struct rect r1 = scl_data->recout, r2, r2_half;
int r1_r = r1.x + r1.width, r1_b = r1.y + r1.height, r2_r, r2_b;
int cur_layer = pipe_ctx->plane_state->layer_index;
/**
* Disable the cursor if there's another pipe above this with a
* plane that contains this pipe's viewport to prevent double cursor
* and incorrect scaling artifacts.
*/
for (test_pipe = pipe_ctx->top_pipe; test_pipe;
test_pipe = test_pipe->top_pipe) {
// Skip invisible layer and pipe-split plane on same layer
if (!test_pipe->plane_state->visible || test_pipe->plane_state->layer_index == cur_layer)
continue;
r2 = test_pipe->plane_res.scl_data.recout;
r2_r = r2.x + r2.width;
r2_b = r2.y + r2.height;
split_pipe = test_pipe;
/**
* There is another half plane on same layer because of
* pipe-split, merge together per same height.
*/
for (split_pipe = pipe_ctx->top_pipe; split_pipe;
split_pipe = split_pipe->top_pipe)
if (split_pipe->plane_state->layer_index == test_pipe->plane_state->layer_index) {
r2_half = split_pipe->plane_res.scl_data.recout;
r2.x = (r2_half.x < r2.x) ? r2_half.x : r2.x;
r2.width = r2.width + r2_half.width;
r2_r = r2.x + r2.width;
break;
}
if (r1.x >= r2.x && r1.y >= r2.y && r1_r <= r2_r && r1_b <= r2_b)
return true;
}
return false;
}
static bool dc_dmub_should_update_cursor_data(struct pipe_ctx *pipe_ctx)
{
if (pipe_ctx->plane_state != NULL) {
if (pipe_ctx->plane_state->address.type == PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
return false;
if (dc_can_pipe_disable_cursor(pipe_ctx))
return false;
}
if ((pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1 ||
pipe_ctx->stream->link->psr_settings.psr_version == DC_PSR_VERSION_1) &&
pipe_ctx->stream->ctx->dce_version >= DCN_VERSION_3_1)
return true;
return false;
}
static void dc_build_cursor_update_payload0(
struct pipe_ctx *pipe_ctx, uint8_t p_idx,
struct dmub_cmd_update_cursor_payload0 *payload)
{
struct hubp *hubp = pipe_ctx->plane_res.hubp;
unsigned int panel_inst = 0;
if (!dc_get_edp_link_panel_inst(hubp->ctx->dc,
pipe_ctx->stream->link, &panel_inst))
return;
/* Payload: Cursor Rect is built from position & attribute
* x & y are obtained from postion
*/
payload->cursor_rect.x = hubp->cur_rect.x;
payload->cursor_rect.y = hubp->cur_rect.y;
/* w & h are obtained from attribute */
payload->cursor_rect.width = hubp->cur_rect.w;
payload->cursor_rect.height = hubp->cur_rect.h;
payload->enable = hubp->pos.cur_ctl.bits.cur_enable;
payload->pipe_idx = p_idx;
payload->cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
payload->panel_inst = panel_inst;
}
static void dc_send_cmd_to_dmu(struct dc_dmub_srv *dmub_srv,
union dmub_rb_cmd *cmd)
{
dc_dmub_srv_cmd_queue(dmub_srv, cmd);
dc_dmub_srv_cmd_execute(dmub_srv);
dc_dmub_srv_wait_idle(dmub_srv);
}
static void dc_build_cursor_position_update_payload0(
struct dmub_cmd_update_cursor_payload0 *pl, const uint8_t p_idx,
const struct hubp *hubp, const struct dpp *dpp)
{
/* Hubp */
pl->position_cfg.pHubp.cur_ctl.raw = hubp->pos.cur_ctl.raw;
pl->position_cfg.pHubp.position.raw = hubp->pos.position.raw;
pl->position_cfg.pHubp.hot_spot.raw = hubp->pos.hot_spot.raw;
pl->position_cfg.pHubp.dst_offset.raw = hubp->pos.dst_offset.raw;
/* dpp */
pl->position_cfg.pDpp.cur0_ctl.raw = dpp->pos.cur0_ctl.raw;
pl->position_cfg.pipe_idx = p_idx;
}
static void dc_build_cursor_attribute_update_payload1(
struct dmub_cursor_attributes_cfg *pl_A, const uint8_t p_idx,
const struct hubp *hubp, const struct dpp *dpp)
{
/* Hubp */
pl_A->aHubp.SURFACE_ADDR_HIGH = hubp->att.SURFACE_ADDR_HIGH;
pl_A->aHubp.SURFACE_ADDR = hubp->att.SURFACE_ADDR;
pl_A->aHubp.cur_ctl.raw = hubp->att.cur_ctl.raw;
pl_A->aHubp.size.raw = hubp->att.size.raw;
pl_A->aHubp.settings.raw = hubp->att.settings.raw;
/* dpp */
pl_A->aDpp.cur0_ctl.raw = dpp->att.cur0_ctl.raw;
}
/**
* dc_send_update_cursor_info_to_dmu - Populate the DMCUB Cursor update info command
*
* @pCtx: [in] pipe context
* @pipe_idx: [in] pipe index
*
* This function would store the cursor related information and pass it into
* dmub
*/
void dc_send_update_cursor_info_to_dmu(
struct pipe_ctx *pCtx, uint8_t pipe_idx)
{
union dmub_rb_cmd cmd = { 0 };
union dmub_cmd_update_cursor_info_data *update_cursor_info =
&cmd.update_cursor_info.update_cursor_info_data;
if (!dc_dmub_should_update_cursor_data(pCtx))
return;
/*
* Since we use multi_cmd_pending for dmub command, the 2nd command is
* only assigned to store cursor attributes info.
* 1st command can view as 2 parts, 1st is for PSR/Replay data, the other
* is to store cursor position info.
*
* Command heaer type must be the same type if using multi_cmd_pending.
* Besides, while process 2nd command in DMU, the sub type is useless.
* So it's meanless to pass the sub type header with different type.
*/
{
/* Build Payload#0 Header */
cmd.update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO;
cmd.update_cursor_info.header.payload_bytes =
sizeof(cmd.update_cursor_info.update_cursor_info_data);
cmd.update_cursor_info.header.multi_cmd_pending = 1; /* To combine multi dmu cmd, 1st cmd */
/* Prepare Payload */
dc_build_cursor_update_payload0(pCtx, pipe_idx, &update_cursor_info->payload0);
dc_build_cursor_position_update_payload0(&update_cursor_info->payload0, pipe_idx,
pCtx->plane_res.hubp, pCtx->plane_res.dpp);
/* Send update_curosr_info to queue */
dc_dmub_srv_cmd_queue(pCtx->stream->ctx->dmub_srv, &cmd);
}
{
/* Build Payload#1 Header */
memset(update_cursor_info, 0, sizeof(union dmub_cmd_update_cursor_info_data));
cmd.update_cursor_info.header.type = DMUB_CMD__UPDATE_CURSOR_INFO;
cmd.update_cursor_info.header.payload_bytes = sizeof(struct cursor_attributes_cfg);
cmd.update_cursor_info.header.multi_cmd_pending = 0; /* Indicate it's the last command. */
dc_build_cursor_attribute_update_payload1(
&cmd.update_cursor_info.update_cursor_info_data.payload1.attribute_cfg,
pipe_idx, pCtx->plane_res.hubp, pCtx->plane_res.dpp);
/* Combine 2nd cmds update_curosr_info to DMU */
dc_send_cmd_to_dmu(pCtx->stream->ctx->dmub_srv, &cmd);
}
}