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drm/amd/display: merge dc_link_dp into dc_link

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[why]
Temporarly merge dc_link_dp functions into dc_link for the
purpose of removing dc_link_dp files. This is a transitional
change for later commits where we will further refactor dc_link
file.

Reviewed-by: George Shen <George.Shen@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wenjing Liu 2023-01-09 16:52:39 -05:00 committed by Alex Deucher
parent de3fb39017
commit 6ca7415f11
45 changed files with 652 additions and 766 deletions
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1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -28,7 +28,6 @@
#include "dm_services_types.h"
#include "dc.h"
#include "dc_link_dp.h"
#include "link_enc_cfg.h"
#include "dc/inc/core_types.h"
#include "dal_asic_id.h"

2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
View File

@ -34,8 +34,6 @@
#include "dmub/dmub_srv.h"
#include "resource.h"
#include "dsc.h"
#include "dc_link_dp.h"
#include "dc_link.h"
#include "link_hwss.h"
#include "dc/dc_dmub_srv.h"

1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
View File

@ -40,7 +40,6 @@
#include "amdgpu_dm_mst_types.h"
#include "dpcd_defs.h"
#include "dc/inc/core_types.h"
#include "dc_link_dp.h"
#include "dm_helpers.h"
#include "ddc_service_types.h"

1
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
View File

@ -39,7 +39,6 @@
#include "dc.h"
#include "dm_helpers.h"
#include "dc_link_dp.h"
#include "ddc_service_types.h"
#include "dpcd_defs.h"

3
drivers/gpu/drm/amd/display/dc/Makefile
View File

@ -65,8 +65,7 @@ AMD_DC = $(addsuffix /Makefile, $(addprefix $(FULL_AMD_DISPLAY_PATH)/dc/,$(DC_LI
include $(AMD_DC)
DISPLAY_CORE = dc.o dc_stat.o dc_link.o dc_resource.o dc_hw_sequencer.o dc_sink.o \
dc_surface.o dc_link_dp.o dc_debug.o dc_stream.o \
dc_link_enc_cfg.o
dc_surface.o dc_debug.o dc_stream.o dc_link_enc_cfg.o
DISPLAY_CORE += dc_vm_helper.o

1
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c
View File

@ -47,6 +47,7 @@
#include "dcn30/dcn30_clk_mgr.h"
#include "dc_dmub_srv.h"
#include "link.h"
#include "logger_types.h"
#undef DC_LOGGER

2
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c
View File

@ -48,7 +48,7 @@
#include "dcn31/dcn31_clk_mgr.h"
#include "dc_dmub_srv.h"
#include "dc_link_dp.h"
#include "link.h"
#include "dcn314_smu.h"

2
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c
View File

@ -46,7 +46,7 @@
#define DC_LOGGER \
clk_mgr->base.base.ctx->logger
#include "dc_link_dp.h"
#include "link.h"
#define TO_CLK_MGR_DCN315(clk_mgr)\
container_of(clk_mgr, struct clk_mgr_dcn315, base)

2
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn316/dcn316_clk_mgr.c
View File

@ -39,7 +39,7 @@
#include "dcn316_smu.h"
#include "dm_helpers.h"
#include "dc_dmub_srv.h"
#include "dc_link_dp.h"
#include "link.h"
// DCN316 this is CLK1 instance
#define MAX_INSTANCE 7

1
drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c
View File

@ -33,7 +33,6 @@
#include "reg_helper.h"
#include "core_types.h"
#include "dm_helpers.h"
#include "dc_link_dp.h"
#include "link.h"
#include "atomfirmware.h"

1
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -58,7 +58,6 @@
#include "dm_helpers.h"
#include "mem_input.h"
#include "dc_link_dp.h"
#include "dc_dmub_srv.h"
#include "dsc.h"

591
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View File

@ -32,7 +32,6 @@
#include "grph_object_id.h"
#include "gpio_service_interface.h"
#include "core_status.h"
#include "dc_link_dp.h"
#include "link/protocols/link_dp_dpia.h"
#include "link/protocols/link_ddc.h"
#include "link_hwss.h"
@ -46,6 +45,8 @@
#include "fixed31_32.h"
#include "dpcd_defs.h"
#include "dmcu.h"
#include "dsc.h"
#include "opp.h"
#include "hw/clk_mgr.h"
#include "dce/dmub_psr.h"
#include "dmub/dmub_srv.h"
@ -4304,3 +4305,591 @@ void dc_restore_link_res_map(const struct dc *dc, uint32_t *map)
}
}
}
bool dp_validate_mode_timing(
struct dc_link *link,
const struct dc_crtc_timing *timing)
{
uint32_t req_bw;
uint32_t max_bw;
const struct dc_link_settings *link_setting;
/* According to spec, VSC SDP should be used if pixel format is YCbCr420 */
if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420 &&
!link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED &&
dal_graphics_object_id_get_connector_id(link->link_id) != CONNECTOR_ID_VIRTUAL)
return false;
/*always DP fail safe mode*/
if ((timing->pix_clk_100hz / 10) == (uint32_t) 25175 &&
timing->h_addressable == (uint32_t) 640 &&
timing->v_addressable == (uint32_t) 480)
return true;
link_setting = dc_link_get_link_cap(link);
/* TODO: DYNAMIC_VALIDATION needs to be implemented */
/*if (flags.DYNAMIC_VALIDATION == 1 &&
link->verified_link_cap.lane_count != LANE_COUNT_UNKNOWN)
link_setting = &link->verified_link_cap;
*/
req_bw = dc_bandwidth_in_kbps_from_timing(timing);
max_bw = dc_link_bandwidth_kbps(link, link_setting);
if (req_bw <= max_bw) {
/* remember the biggest mode here, during
* initial link training (to get
* verified_link_cap), LS sends event about
* cannot train at reported cap to upper
* layer and upper layer will re-enumerate modes.
* this is not necessary if the lower
* verified_link_cap is enough to drive
* all the modes */
/* TODO: DYNAMIC_VALIDATION needs to be implemented */
/* if (flags.DYNAMIC_VALIDATION == 1)
dpsst->max_req_bw_for_verified_linkcap = dal_max(
dpsst->max_req_bw_for_verified_linkcap, req_bw); */
return true;
} else
return false;
}
void dp_enable_mst_on_sink(struct dc_link *link, bool enable)
{
unsigned char mstmCntl;
core_link_read_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
if (enable)
mstmCntl |= DP_MST_EN;
else
mstmCntl &= (~DP_MST_EN);
core_link_write_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
}
enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready)
{
/* FEC has to be "set ready" before the link training.
* The policy is to always train with FEC
* if the sink supports it and leave it enabled on link.
* If FEC is not supported, disable it.
*/
struct link_encoder *link_enc = NULL;
enum dc_status status = DC_OK;
uint8_t fec_config = 0;
link_enc = link_enc_cfg_get_link_enc(link);
ASSERT(link_enc);
if (!dc_link_should_enable_fec(link))
return status;
if (link_enc->funcs->fec_set_ready &&
link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
if (ready) {
fec_config = 1;
status = core_link_write_dpcd(link,
DP_FEC_CONFIGURATION,
&fec_config,
sizeof(fec_config));
if (status == DC_OK) {
link_enc->funcs->fec_set_ready(link_enc, true);
link->fec_state = dc_link_fec_ready;
} else {
link_enc->funcs->fec_set_ready(link_enc, false);
link->fec_state = dc_link_fec_not_ready;
dm_error("dpcd write failed to set fec_ready");
}
} else if (link->fec_state == dc_link_fec_ready) {
fec_config = 0;
status = core_link_write_dpcd(link,
DP_FEC_CONFIGURATION,
&fec_config,
sizeof(fec_config));
link_enc->funcs->fec_set_ready(link_enc, false);
link->fec_state = dc_link_fec_not_ready;
}
}
return status;
}
void dp_set_fec_enable(struct dc_link *link, bool enable)
{
struct link_encoder *link_enc = NULL;
link_enc = link_enc_cfg_get_link_enc(link);
ASSERT(link_enc);
if (!dc_link_should_enable_fec(link))
return;
if (link_enc->funcs->fec_set_enable &&
link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
if (link->fec_state == dc_link_fec_ready && enable) {
/* Accord to DP spec, FEC enable sequence can first
* be transmitted anytime after 1000 LL codes have
* been transmitted on the link after link training
* completion. Using 1 lane RBR should have the maximum
* time for transmitting 1000 LL codes which is 6.173 us.
* So use 7 microseconds delay instead.
*/
udelay(7);
link_enc->funcs->fec_set_enable(link_enc, true);
link->fec_state = dc_link_fec_enabled;
} else if (link->fec_state == dc_link_fec_enabled && !enable) {
link_enc->funcs->fec_set_enable(link_enc, false);
link->fec_state = dc_link_fec_ready;
}
}
}
// TODO - DP2.0 Link: Fix get_lane_status to handle LTTPR offset (SST and MST)
static void get_lane_status(
struct dc_link *link,
uint32_t lane_count,
union lane_status *status,
union lane_align_status_updated *status_updated)
{
unsigned int lane;
uint8_t dpcd_buf[3] = {0};
if (status == NULL || status_updated == NULL) {
return;
}
core_link_read_dpcd(
link,
DP_LANE0_1_STATUS,
dpcd_buf,
sizeof(dpcd_buf));
for (lane = 0; lane < lane_count; lane++) {
status[lane].raw = dp_get_nibble_at_index(&dpcd_buf[0], lane);
}
status_updated->raw = dpcd_buf[2];
}
bool dpcd_write_128b_132b_sst_payload_allocation_table(
const struct dc_stream_state *stream,
struct dc_link *link,
struct link_mst_stream_allocation_table *proposed_table,
bool allocate)
{
const uint8_t vc_id = 1; /// VC ID always 1 for SST
const uint8_t start_time_slot = 0; /// Always start at time slot 0 for SST
bool result = false;
uint8_t req_slot_count = 0;
struct fixed31_32 avg_time_slots_per_mtp = { 0 };
union payload_table_update_status update_status = { 0 };
const uint32_t max_retries = 30;
uint32_t retries = 0;
DC_LOGGER_INIT(link->ctx->logger);
if (allocate) {
avg_time_slots_per_mtp = calculate_sst_avg_time_slots_per_mtp(stream, link);
req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
/// Validation should filter out modes that exceed link BW
ASSERT(req_slot_count <= MAX_MTP_SLOT_COUNT);
if (req_slot_count > MAX_MTP_SLOT_COUNT)
return false;
} else {
/// Leave req_slot_count = 0 if allocate is false.
}
proposed_table->stream_count = 1; /// Always 1 stream for SST
proposed_table->stream_allocations[0].slot_count = req_slot_count;
proposed_table->stream_allocations[0].vcp_id = vc_id;
if (link->aux_access_disabled)
return true;
/// Write DPCD 2C0 = 1 to start updating
update_status.bits.VC_PAYLOAD_TABLE_UPDATED = 1;
core_link_write_dpcd(
link,
DP_PAYLOAD_TABLE_UPDATE_STATUS,
&update_status.raw,
1);
/// Program the changes in DPCD 1C0 - 1C2
ASSERT(vc_id == 1);
core_link_write_dpcd(
link,
DP_PAYLOAD_ALLOCATE_SET,
&vc_id,
1);
ASSERT(start_time_slot == 0);
core_link_write_dpcd(
link,
DP_PAYLOAD_ALLOCATE_START_TIME_SLOT,
&start_time_slot,
1);
core_link_write_dpcd(
link,
DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT,
&req_slot_count,
1);
/// Poll till DPCD 2C0 read 1
/// Try for at least 150ms (30 retries, with 5ms delay after each attempt)
while (retries < max_retries) {
if (core_link_read_dpcd(
link,
DP_PAYLOAD_TABLE_UPDATE_STATUS,
&update_status.raw,
1) == DC_OK) {
if (update_status.bits.VC_PAYLOAD_TABLE_UPDATED == 1) {
DC_LOG_DP2("SST Update Payload: downstream payload table updated.");
result = true;
break;
}
} else {
union dpcd_rev dpcdRev;
if (core_link_read_dpcd(
link,
DP_DPCD_REV,
&dpcdRev.raw,
1) != DC_OK) {
DC_LOG_ERROR("SST Update Payload: Unable to read DPCD revision "
"of sink while polling payload table "
"updated status bit.");
break;
}
}
retries++;
msleep(5);
}
if (!result && retries == max_retries) {
DC_LOG_ERROR("SST Update Payload: Payload table not updated after retries, "
"continue on. Something is wrong with the branch.");
// TODO - DP2.0 Payload: Read and log the payload table from downstream branch
}
return result;
}
bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link)
{
/*
* wait for ACT handled
*/
int i;
const int act_retries = 30;
enum act_return_status result = ACT_FAILED;
union payload_table_update_status update_status = {0};
union lane_status dpcd_lane_status[LANE_COUNT_DP_MAX];
union lane_align_status_updated lane_status_updated;
DC_LOGGER_INIT(link->ctx->logger);
if (link->aux_access_disabled)
return true;
for (i = 0; i < act_retries; i++) {
get_lane_status(link, link->cur_link_settings.lane_count, dpcd_lane_status, &lane_status_updated);
if (!dp_is_cr_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
!dp_is_ch_eq_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
!dp_is_symbol_locked(link->cur_link_settings.lane_count, dpcd_lane_status) ||
!dp_is_interlane_aligned(lane_status_updated)) {
DC_LOG_ERROR("SST Update Payload: Link loss occurred while "
"polling for ACT handled.");
result = ACT_LINK_LOST;
break;
}
core_link_read_dpcd(
link,
DP_PAYLOAD_TABLE_UPDATE_STATUS,
&update_status.raw,
1);
if (update_status.bits.ACT_HANDLED == 1) {
DC_LOG_DP2("SST Update Payload: ACT handled by downstream.");
result = ACT_SUCCESS;
break;
}
msleep(5);
}
if (result == ACT_FAILED) {
DC_LOG_ERROR("SST Update Payload: ACT still not handled after retries, "
"continue on. Something is wrong with the branch.");
}
return (result == ACT_SUCCESS);
}
struct fixed31_32 calculate_sst_avg_time_slots_per_mtp(
const struct dc_stream_state *stream,
const struct dc_link *link)
{
struct fixed31_32 link_bw_effective =
dc_fixpt_from_int(
dc_link_bandwidth_kbps(link, &link->cur_link_settings));
struct fixed31_32 timeslot_bw_effective =
dc_fixpt_div_int(link_bw_effective, MAX_MTP_SLOT_COUNT);
struct fixed31_32 timing_bw =
dc_fixpt_from_int(
dc_bandwidth_in_kbps_from_timing(&stream->timing));
struct fixed31_32 avg_time_slots_per_mtp =
dc_fixpt_div(timing_bw, timeslot_bw_effective);
return avg_time_slots_per_mtp;
}
void dc_link_clear_dprx_states(struct dc_link *link)
{
memset(&link->dprx_states, 0, sizeof(link->dprx_states));
}
void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode)
{
if (link != NULL && link->dc->debug.enable_driver_sequence_debug)
core_link_write_dpcd(link, DP_SOURCE_SEQUENCE,
&dp_test_mode, sizeof(dp_test_mode));
}
static void dsc_optc_config_log(struct display_stream_compressor *dsc,
struct dsc_optc_config *config)
{
uint32_t precision = 1 << 28;
uint32_t bytes_per_pixel_int = config->bytes_per_pixel / precision;
uint32_t bytes_per_pixel_mod = config->bytes_per_pixel % precision;
uint64_t ll_bytes_per_pix_fraq = bytes_per_pixel_mod;
DC_LOGGER_INIT(dsc->ctx->logger);
/* 7 fractional digits decimal precision for bytes per pixel is enough because DSC
* bits per pixel precision is 1/16th of a pixel, which means bytes per pixel precision is
* 1/16/8 = 1/128 of a byte, or 0.0078125 decimal
*/
ll_bytes_per_pix_fraq *= 10000000;
ll_bytes_per_pix_fraq /= precision;
DC_LOG_DSC("\tbytes_per_pixel 0x%08x (%d.%07d)",
config->bytes_per_pixel, bytes_per_pixel_int, (uint32_t)ll_bytes_per_pix_fraq);
DC_LOG_DSC("\tis_pixel_format_444 %d", config->is_pixel_format_444);
DC_LOG_DSC("\tslice_width %d", config->slice_width);
}
bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable)
{
struct dc *dc = pipe_ctx->stream->ctx->dc;
struct dc_stream_state *stream = pipe_ctx->stream;
bool result = false;
if (dc_is_virtual_signal(stream->signal) || IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
result = true;
else
result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, enable);
return result;
}
/* The stream with these settings can be sent (unblanked) only after DSC was enabled on RX first,
* i.e. after dp_enable_dsc_on_rx() had been called
*/
void dp_set_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;
DC_LOGGER_INIT(dsc->ctx->logger);
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;
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 encoder */
if (dc_is_dp_signal(stream->signal) && !IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)
&& !link_is_dp_128b_132b_signal(pipe_ctx)) {
DC_LOG_DSC("Setting stream encoder DSC config for engine %d:", (int)pipe_ctx->stream_res.stream_enc->id);
dsc_optc_config_log(dsc, &dsc_optc_cfg);
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(pipe_ctx->stream_res.stream_enc,
optc_dsc_mode,
dsc_optc_cfg.bytes_per_pixel,
dsc_optc_cfg.slice_width);
/* PPS SDP is set elsewhere because it has to be done after DIG FE is connected to DIG BE */
}
/* Enable DSC in OPTC */
DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
dsc_optc_config_log(dsc, &dsc_optc_cfg);
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 in stream encoder */
if (dc_is_dp_signal(stream->signal)) {
if (link_is_dp_128b_132b_signal(pipe_ctx))
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.hpo_dp_stream_enc,
false,
NULL,
true);
else if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(
pipe_ctx->stream_res.stream_enc,
OPTC_DSC_DISABLED, 0, 0);
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.stream_enc, false, NULL, true);
}
}
/* disable DSC block */
pipe_ctx->stream_res.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)
odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
}
}
bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
bool result = false;
if (!pipe_ctx->stream->timing.flags.DSC)
goto out;
if (!dsc)
goto out;
if (enable) {
{
dp_set_dsc_on_stream(pipe_ctx, true);
result = true;
}
} else {
dp_set_dsc_on_rx(pipe_ctx, false);
dp_set_dsc_on_stream(pipe_ctx, false);
result = true;
}
out:
return result;
}
/*
* For dynamic bpp change case, dsc is programmed with MASTER_UPDATE_LOCK enabled;
* hence PPS info packet update need to use frame update instead of immediate update.
* Added parameter immediate_update for this purpose.
* The decision to use frame update is hard-coded in function dp_update_dsc_config(),
* which is the only place where a "false" would be passed in for param immediate_update.
*
* immediate_update is only applicable when DSC is enabled.
*/
bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
struct dc_stream_state *stream = pipe_ctx->stream;
DC_LOGGER_INIT(dsc->ctx->logger);
if (!pipe_ctx->stream->timing.flags.DSC || !dsc)
return false;
if (enable) {
struct dsc_config dsc_cfg;
uint8_t dsc_packed_pps[128];
memset(&dsc_cfg, 0, sizeof(dsc_cfg));
memset(dsc_packed_pps, 0, 128);
/* Enable DSC hw block */
dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
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;
dsc->funcs->dsc_get_packed_pps(dsc, &dsc_cfg, &dsc_packed_pps[0]);
memcpy(&stream->dsc_packed_pps[0], &dsc_packed_pps[0], sizeof(stream->dsc_packed_pps));
if (dc_is_dp_signal(stream->signal)) {
DC_LOG_DSC("Setting stream encoder DSC PPS SDP for engine %d\n", (int)pipe_ctx->stream_res.stream_enc->id);
if (link_is_dp_128b_132b_signal(pipe_ctx))
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.hpo_dp_stream_enc,
true,
&dsc_packed_pps[0],
immediate_update);
else
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.stream_enc,
true,
&dsc_packed_pps[0],
immediate_update);
}
} else {
/* disable DSC PPS in stream encoder */
memset(&stream->dsc_packed_pps[0], 0, sizeof(stream->dsc_packed_pps));
if (dc_is_dp_signal(stream->signal)) {
if (link_is_dp_128b_132b_signal(pipe_ctx))
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.hpo_dp_stream_enc,
false,
NULL,
true);
else
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.stream_enc, false, NULL, true);
}
}
return true;
}
bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
if (!pipe_ctx->stream->timing.flags.DSC)
return false;
if (!dsc)
return false;
dp_set_dsc_on_stream(pipe_ctx, true);
dp_set_dsc_pps_sdp(pipe_ctx, true, false);
return true;
}

644
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
View File

@ -1,644 +0,0 @@
/*
* Copyright 2015 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 "dc.h"
#include "dc_link_dp.h"
#include "dm_helpers.h"
#include "opp.h"
#include "dsc.h"
#include "resource.h"
#include "inc/core_types.h"
#include "link_hwss.h"
#include "link/protocols/link_ddc.h"
#include "core_status.h"
#include "dpcd_defs.h"
#include "dc_dmub_srv.h"
#include "dce/dmub_hw_lock_mgr.h"
#include "link/protocols/link_dp_dpia.h"
#include "inc/link_enc_cfg.h"
#include "clk_mgr.h"
#include "link/accessories/link_dp_trace.h"
#include "link/protocols/link_dp_training.h"
#include "link/protocols/link_dp_training_fixed_vs_pe_retimer.h"
#include "link/protocols/link_dp_training_dpia.h"
#include "link/protocols/link_dp_training_auxless.h"
#include "link/protocols/link_dp_phy.h"
#include "link/protocols/link_dp_capability.h"
#define DC_LOGGER \
link->ctx->logger
#define DC_TRACE_LEVEL_MESSAGE(...) /* do nothing */
#include "link/protocols/link_dpcd.h"
bool dp_validate_mode_timing(
struct dc_link *link,
const struct dc_crtc_timing *timing)
{
uint32_t req_bw;
uint32_t max_bw;
const struct dc_link_settings *link_setting;
/* According to spec, VSC SDP should be used if pixel format is YCbCr420 */
if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420 &&
!link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED &&
dal_graphics_object_id_get_connector_id(link->link_id) != CONNECTOR_ID_VIRTUAL)
return false;
/*always DP fail safe mode*/
if ((timing->pix_clk_100hz / 10) == (uint32_t) 25175 &&
timing->h_addressable == (uint32_t) 640 &&
timing->v_addressable == (uint32_t) 480)
return true;
link_setting = dc_link_get_link_cap(link);
/* TODO: DYNAMIC_VALIDATION needs to be implemented */
/*if (flags.DYNAMIC_VALIDATION == 1 &&
link->verified_link_cap.lane_count != LANE_COUNT_UNKNOWN)
link_setting = &link->verified_link_cap;
*/
req_bw = dc_bandwidth_in_kbps_from_timing(timing);
max_bw = dc_link_bandwidth_kbps(link, link_setting);
if (req_bw <= max_bw) {
/* remember the biggest mode here, during
* initial link training (to get
* verified_link_cap), LS sends event about
* cannot train at reported cap to upper
* layer and upper layer will re-enumerate modes.
* this is not necessary if the lower
* verified_link_cap is enough to drive
* all the modes */
/* TODO: DYNAMIC_VALIDATION needs to be implemented */
/* if (flags.DYNAMIC_VALIDATION == 1)
dpsst->max_req_bw_for_verified_linkcap = dal_max(
dpsst->max_req_bw_for_verified_linkcap, req_bw); */
return true;
} else
return false;
}
void dp_enable_mst_on_sink(struct dc_link *link, bool enable)
{
unsigned char mstmCntl;
core_link_read_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
if (enable)
mstmCntl |= DP_MST_EN;
else
mstmCntl &= (~DP_MST_EN);
core_link_write_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
}
enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready)
{
/* FEC has to be "set ready" before the link training.
* The policy is to always train with FEC
* if the sink supports it and leave it enabled on link.
* If FEC is not supported, disable it.
*/
struct link_encoder *link_enc = NULL;
enum dc_status status = DC_OK;
uint8_t fec_config = 0;
link_enc = link_enc_cfg_get_link_enc(link);
ASSERT(link_enc);
if (!dc_link_should_enable_fec(link))
return status;
if (link_enc->funcs->fec_set_ready &&
link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
if (ready) {
fec_config = 1;
status = core_link_write_dpcd(link,
DP_FEC_CONFIGURATION,
&fec_config,
sizeof(fec_config));
if (status == DC_OK) {
link_enc->funcs->fec_set_ready(link_enc, true);
link->fec_state = dc_link_fec_ready;
} else {
link_enc->funcs->fec_set_ready(link_enc, false);
link->fec_state = dc_link_fec_not_ready;
dm_error("dpcd write failed to set fec_ready");
}
} else if (link->fec_state == dc_link_fec_ready) {
fec_config = 0;
status = core_link_write_dpcd(link,
DP_FEC_CONFIGURATION,
&fec_config,
sizeof(fec_config));
link_enc->funcs->fec_set_ready(link_enc, false);
link->fec_state = dc_link_fec_not_ready;
}
}
return status;
}
void dp_set_fec_enable(struct dc_link *link, bool enable)
{
struct link_encoder *link_enc = NULL;
link_enc = link_enc_cfg_get_link_enc(link);
ASSERT(link_enc);
if (!dc_link_should_enable_fec(link))
return;
if (link_enc->funcs->fec_set_enable &&
link->dpcd_caps.fec_cap.bits.FEC_CAPABLE) {
if (link->fec_state == dc_link_fec_ready && enable) {
/* Accord to DP spec, FEC enable sequence can first
* be transmitted anytime after 1000 LL codes have
* been transmitted on the link after link training
* completion. Using 1 lane RBR should have the maximum
* time for transmitting 1000 LL codes which is 6.173 us.
* So use 7 microseconds delay instead.
*/
udelay(7);
link_enc->funcs->fec_set_enable(link_enc, true);
link->fec_state = dc_link_fec_enabled;
} else if (link->fec_state == dc_link_fec_enabled && !enable) {
link_enc->funcs->fec_set_enable(link_enc, false);
link->fec_state = dc_link_fec_ready;
}
}
}
// TODO - DP2.0 Link: Fix get_lane_status to handle LTTPR offset (SST and MST)
static void get_lane_status(
struct dc_link *link,
uint32_t lane_count,
union lane_status *status,
union lane_align_status_updated *status_updated)
{
unsigned int lane;
uint8_t dpcd_buf[3] = {0};
if (status == NULL || status_updated == NULL) {
return;
}
core_link_read_dpcd(
link,
DP_LANE0_1_STATUS,
dpcd_buf,
sizeof(dpcd_buf));
for (lane = 0; lane < lane_count; lane++) {
status[lane].raw = dp_get_nibble_at_index(&dpcd_buf[0], lane);
}
status_updated->raw = dpcd_buf[2];
}
bool dpcd_write_128b_132b_sst_payload_allocation_table(
const struct dc_stream_state *stream,
struct dc_link *link,
struct link_mst_stream_allocation_table *proposed_table,
bool allocate)
{
const uint8_t vc_id = 1; /// VC ID always 1 for SST
const uint8_t start_time_slot = 0; /// Always start at time slot 0 for SST
bool result = false;
uint8_t req_slot_count = 0;
struct fixed31_32 avg_time_slots_per_mtp = { 0 };
union payload_table_update_status update_status = { 0 };
const uint32_t max_retries = 30;
uint32_t retries = 0;
if (allocate) {
avg_time_slots_per_mtp = calculate_sst_avg_time_slots_per_mtp(stream, link);
req_slot_count = dc_fixpt_ceil(avg_time_slots_per_mtp);
/// Validation should filter out modes that exceed link BW
ASSERT(req_slot_count <= MAX_MTP_SLOT_COUNT);
if (req_slot_count > MAX_MTP_SLOT_COUNT)
return false;
} else {
/// Leave req_slot_count = 0 if allocate is false.
}
proposed_table->stream_count = 1; /// Always 1 stream for SST
proposed_table->stream_allocations[0].slot_count = req_slot_count;
proposed_table->stream_allocations[0].vcp_id = vc_id;
if (link->aux_access_disabled)
return true;
/// Write DPCD 2C0 = 1 to start updating
update_status.bits.VC_PAYLOAD_TABLE_UPDATED = 1;
core_link_write_dpcd(
link,
DP_PAYLOAD_TABLE_UPDATE_STATUS,
&update_status.raw,
1);
/// Program the changes in DPCD 1C0 - 1C2
ASSERT(vc_id == 1);
core_link_write_dpcd(
link,
DP_PAYLOAD_ALLOCATE_SET,
&vc_id,
1);
ASSERT(start_time_slot == 0);
core_link_write_dpcd(
link,
DP_PAYLOAD_ALLOCATE_START_TIME_SLOT,
&start_time_slot,
1);
core_link_write_dpcd(
link,
DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT,
&req_slot_count,
1);
/// Poll till DPCD 2C0 read 1
/// Try for at least 150ms (30 retries, with 5ms delay after each attempt)
while (retries < max_retries) {
if (core_link_read_dpcd(
link,
DP_PAYLOAD_TABLE_UPDATE_STATUS,
&update_status.raw,
1) == DC_OK) {
if (update_status.bits.VC_PAYLOAD_TABLE_UPDATED == 1) {
DC_LOG_DP2("SST Update Payload: downstream payload table updated.");
result = true;
break;
}
} else {
union dpcd_rev dpcdRev;
if (core_link_read_dpcd(
link,
DP_DPCD_REV,
&dpcdRev.raw,
1) != DC_OK) {
DC_LOG_ERROR("SST Update Payload: Unable to read DPCD revision "
"of sink while polling payload table "
"updated status bit.");
break;
}
}
retries++;
msleep(5);
}
if (!result && retries == max_retries) {
DC_LOG_ERROR("SST Update Payload: Payload table not updated after retries, "
"continue on. Something is wrong with the branch.");
// TODO - DP2.0 Payload: Read and log the payload table from downstream branch
}
return result;
}
bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link)
{
/*
* wait for ACT handled
*/
int i;
const int act_retries = 30;
enum act_return_status result = ACT_FAILED;
union payload_table_update_status update_status = {0};
union lane_status dpcd_lane_status[LANE_COUNT_DP_MAX];
union lane_align_status_updated lane_status_updated;
if (link->aux_access_disabled)
return true;
for (i = 0; i < act_retries; i++) {
get_lane_status(link, link->cur_link_settings.lane_count, dpcd_lane_status, &lane_status_updated);
if (!dp_is_cr_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
!dp_is_ch_eq_done(link->cur_link_settings.lane_count, dpcd_lane_status) ||
!dp_is_symbol_locked(link->cur_link_settings.lane_count, dpcd_lane_status) ||
!dp_is_interlane_aligned(lane_status_updated)) {
DC_LOG_ERROR("SST Update Payload: Link loss occurred while "
"polling for ACT handled.");
result = ACT_LINK_LOST;
break;
}
core_link_read_dpcd(
link,
DP_PAYLOAD_TABLE_UPDATE_STATUS,
&update_status.raw,
1);
if (update_status.bits.ACT_HANDLED == 1) {
DC_LOG_DP2("SST Update Payload: ACT handled by downstream.");
result = ACT_SUCCESS;
break;
}
msleep(5);
}
if (result == ACT_FAILED) {
DC_LOG_ERROR("SST Update Payload: ACT still not handled after retries, "
"continue on. Something is wrong with the branch.");
}
return (result == ACT_SUCCESS);
}
struct fixed31_32 calculate_sst_avg_time_slots_per_mtp(
const struct dc_stream_state *stream,
const struct dc_link *link)
{
struct fixed31_32 link_bw_effective =
dc_fixpt_from_int(
dc_link_bandwidth_kbps(link, &link->cur_link_settings));
struct fixed31_32 timeslot_bw_effective =
dc_fixpt_div_int(link_bw_effective, MAX_MTP_SLOT_COUNT);
struct fixed31_32 timing_bw =
dc_fixpt_from_int(
dc_bandwidth_in_kbps_from_timing(&stream->timing));
struct fixed31_32 avg_time_slots_per_mtp =
dc_fixpt_div(timing_bw, timeslot_bw_effective);
return avg_time_slots_per_mtp;
}
void dc_link_clear_dprx_states(struct dc_link *link)
{
memset(&link->dprx_states, 0, sizeof(link->dprx_states));
}
void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode)
{
if (link != NULL && link->dc->debug.enable_driver_sequence_debug)
core_link_write_dpcd(link, DP_SOURCE_SEQUENCE,
&dp_test_mode, sizeof(dp_test_mode));
}
#undef DC_LOGGER
#define DC_LOGGER \
dsc->ctx->logger
static void dsc_optc_config_log(struct display_stream_compressor *dsc,
struct dsc_optc_config *config)
{
uint32_t precision = 1 << 28;
uint32_t bytes_per_pixel_int = config->bytes_per_pixel / precision;
uint32_t bytes_per_pixel_mod = config->bytes_per_pixel % precision;
uint64_t ll_bytes_per_pix_fraq = bytes_per_pixel_mod;
/* 7 fractional digits decimal precision for bytes per pixel is enough because DSC
* bits per pixel precision is 1/16th of a pixel, which means bytes per pixel precision is
* 1/16/8 = 1/128 of a byte, or 0.0078125 decimal
*/
ll_bytes_per_pix_fraq *= 10000000;
ll_bytes_per_pix_fraq /= precision;
DC_LOG_DSC("\tbytes_per_pixel 0x%08x (%d.%07d)",
config->bytes_per_pixel, bytes_per_pixel_int, (uint32_t)ll_bytes_per_pix_fraq);
DC_LOG_DSC("\tis_pixel_format_444 %d", config->is_pixel_format_444);
DC_LOG_DSC("\tslice_width %d", config->slice_width);
}
bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable)
{
struct dc *dc = pipe_ctx->stream->ctx->dc;
struct dc_stream_state *stream = pipe_ctx->stream;
bool result = false;
if (dc_is_virtual_signal(stream->signal) || IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
result = true;
else
result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, enable);
return result;
}
/* The stream with these settings can be sent (unblanked) only after DSC was enabled on RX first,
* i.e. after dp_enable_dsc_on_rx() had been called
*/
void dp_set_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;
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;
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 encoder */
if (dc_is_dp_signal(stream->signal) && !IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)
&& !link_is_dp_128b_132b_signal(pipe_ctx)) {
DC_LOG_DSC("Setting stream encoder DSC config for engine %d:", (int)pipe_ctx->stream_res.stream_enc->id);
dsc_optc_config_log(dsc, &dsc_optc_cfg);
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(pipe_ctx->stream_res.stream_enc,
optc_dsc_mode,
dsc_optc_cfg.bytes_per_pixel,
dsc_optc_cfg.slice_width);
/* PPS SDP is set elsewhere because it has to be done after DIG FE is connected to DIG BE */
}
/* Enable DSC in OPTC */
DC_LOG_DSC("Setting optc DSC config for tg instance %d:", pipe_ctx->stream_res.tg->inst);
dsc_optc_config_log(dsc, &dsc_optc_cfg);
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 in stream encoder */
if (dc_is_dp_signal(stream->signal)) {
if (link_is_dp_128b_132b_signal(pipe_ctx))
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.hpo_dp_stream_enc,
false,
NULL,
true);
else if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(
pipe_ctx->stream_res.stream_enc,
OPTC_DSC_DISABLED, 0, 0);
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.stream_enc, false, NULL, true);
}
}
/* disable DSC block */
pipe_ctx->stream_res.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)
odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
}
}
bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
bool result = false;
if (!pipe_ctx->stream->timing.flags.DSC)
goto out;
if (!dsc)
goto out;
if (enable) {
{
dp_set_dsc_on_stream(pipe_ctx, true);
result = true;
}
} else {
dp_set_dsc_on_rx(pipe_ctx, false);
dp_set_dsc_on_stream(pipe_ctx, false);
result = true;
}
out:
return result;
}
/*
* For dynamic bpp change case, dsc is programmed with MASTER_UPDATE_LOCK enabled;
* hence PPS info packet update need to use frame update instead of immediate update.
* Added parameter immediate_update for this purpose.
* The decision to use frame update is hard-coded in function dp_update_dsc_config(),
* which is the only place where a "false" would be passed in for param immediate_update.
*
* immediate_update is only applicable when DSC is enabled.
*/
bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
struct dc_stream_state *stream = pipe_ctx->stream;
if (!pipe_ctx->stream->timing.flags.DSC || !dsc)
return false;
if (enable) {
struct dsc_config dsc_cfg;
uint8_t dsc_packed_pps[128];
memset(&dsc_cfg, 0, sizeof(dsc_cfg));
memset(dsc_packed_pps, 0, 128);
/* Enable DSC hw block */
dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
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;
dsc->funcs->dsc_get_packed_pps(dsc, &dsc_cfg, &dsc_packed_pps[0]);
memcpy(&stream->dsc_packed_pps[0], &dsc_packed_pps[0], sizeof(stream->dsc_packed_pps));
if (dc_is_dp_signal(stream->signal)) {
DC_LOG_DSC("Setting stream encoder DSC PPS SDP for engine %d\n", (int)pipe_ctx->stream_res.stream_enc->id);
if (link_is_dp_128b_132b_signal(pipe_ctx))
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.hpo_dp_stream_enc,
true,
&dsc_packed_pps[0],
immediate_update);
else
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.stream_enc,
true,
&dsc_packed_pps[0],
immediate_update);
}
} else {
/* disable DSC PPS in stream encoder */
memset(&stream->dsc_packed_pps[0], 0, sizeof(stream->dsc_packed_pps));
if (dc_is_dp_signal(stream->signal)) {
if (link_is_dp_128b_132b_signal(pipe_ctx))
pipe_ctx->stream_res.hpo_dp_stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.hpo_dp_stream_enc,
false,
NULL,
true);
else
pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_pps_info_packet(
pipe_ctx->stream_res.stream_enc, false, NULL, true);
}
}
return true;
}
bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx)
{
struct display_stream_compressor *dsc = pipe_ctx->stream_res.dsc;
if (!pipe_ctx->stream->timing.flags.DSC)
return false;
if (!dsc)
return false;
dp_set_dsc_on_stream(pipe_ctx, true);
dp_set_dsc_pps_sdp(pipe_ctx, true, false);
return true;
}
#undef DC_LOGGER
#define DC_LOGGER \
link->ctx->logger

1
drivers/gpu/drm/amd/display/dc/core/dc_link_enc_cfg.c
View File

@ -24,7 +24,6 @@
#include "link_enc_cfg.h"
#include "resource.h"
#include "dc_link_dp.h"
#include "link.h"
#define DC_LOGGER dc->ctx->logger

1
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
View File

@ -40,7 +40,6 @@
#include "virtual/virtual_stream_encoder.h"
#include "dpcd_defs.h"
#include "link_enc_cfg.h"
#include "dc_link_dp.h"
#include "link.h"
#include "virtual/virtual_link_hwss.h"
#include "link/hwss/link_hwss_dio.h"

50
drivers/gpu/drm/amd/display/dc/dc_link.h
View File

@ -577,4 +577,54 @@ bool dc_link_decide_edp_link_settings(struct dc_link *link,
uint32_t req_bw);
void dc_link_edp_panel_backlight_power_on(struct dc_link *link,
bool wait_for_hpd);
#define LINK_TRAINING_ATTEMPTS 4
#define LINK_TRAINING_RETRY_DELAY 50 /* ms */
#define MAX_MTP_SLOT_COUNT 64
#define TRAINING_AUX_RD_INTERVAL 100 //us
#define LINK_AUX_WAKE_TIMEOUT_MS 1500 // Timeout when trying to wake unresponsive DPRX.
struct dc_link;
struct dc_stream_state;
struct dc_link_settings;
enum {
/*
* Some receivers fail to train on first try and are good
* on subsequent tries. 2 retries should be plenty. If we
* don't have a successful training then we don't expect to
* ever get one.
*/
LINK_TRAINING_MAX_VERIFY_RETRY = 2,
PEAK_FACTOR_X1000 = 1006,
};
bool dp_validate_mode_timing(
struct dc_link *link,
const struct dc_crtc_timing *timing);
void dp_enable_mst_on_sink(struct dc_link *link, bool enable);
enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready);
void dp_set_fec_enable(struct dc_link *link, bool enable);
bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable);
bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update);
void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable);
bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx);
bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable);
bool dpcd_write_128b_132b_sst_payload_allocation_table(
const struct dc_stream_state *stream,
struct dc_link *link,
struct link_mst_stream_allocation_table *proposed_table,
bool allocate);
bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link);
struct fixed31_32 calculate_sst_avg_time_slots_per_mtp(
const struct dc_stream_state *stream,
const struct dc_link *link);
void setup_dp_hpo_stream(struct pipe_ctx *pipe_ctx, bool enable);
void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode);
#endif /* DC_LINK_H_ */

1
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -47,7 +47,6 @@
#include "link_enc_cfg.h"
#include "link_hwss.h"
#include "link.h"
#include "dc_link_dp.h"
#include "dccg.h"
#include "clock_source.h"
#include "clk_mgr.h"

2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -45,7 +45,6 @@
#include "dcn10_hubp.h"
#include "dcn10_hubbub.h"
#include "dcn10_cm_common.h"
#include "dc_link_dp.h"
#include "dccg.h"
#include "clk_mgr.h"
#include "link_hwss.h"
@ -56,7 +55,6 @@
#include "dce/dmub_hw_lock_mgr.h"
#include "dc_trace.h"
#include "dce/dmub_outbox.h"
#include "inc/dc_link_dp.h"
#include "link.h"
#define DC_LOGGER_INIT(logger)

2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
View File

@ -28,7 +28,7 @@
#include "dcn10_stream_encoder.h"
#include "reg_helper.h"
#include "hw_shared.h"
#include "dc_link_dp.h"
#include "link.h"
#include "dpcd_defs.h"
#include "dcn30/dcn30_afmt.h"

1
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
View File

@ -46,7 +46,6 @@
#include "dchubbub.h"
#include "reg_helper.h"
#include "dcn10/dcn10_cm_common.h"
#include "dc_link_dp.h"
#include "vm_helper.h"
#include "dccg.h"
#include "dc_dmub_srv.h"

2
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_stream_encoder.c
View File

@ -29,7 +29,7 @@
#include "dcn20_stream_encoder.h"
#include "reg_helper.h"
#include "hw_shared.h"
#include "dc_link_dp.h"
#include "link.h"
#include "dpcd_defs.h"
#define DC_LOGGER \

2
drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
View File

@ -50,7 +50,7 @@
#include "dpcd_defs.h"
#include "../dcn20/dcn20_hwseq.h"
#include "dcn30_resource.h"
#include "inc/dc_link_dp.h"
#include "link.h"

1
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
View File

@ -45,7 +45,6 @@
#include "link_hwss.h"
#include "dpcd_defs.h"
#include "dce/dmub_outbox.h"
#include "dc_link_dp.h"
#include "link.h"
#include "dcn10/dcn10_hw_sequencer.h"
#include "inc/link_enc_cfg.h"

2
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_dio_stream_encoder.c
View File

@ -30,7 +30,7 @@
#include "dcn314_dio_stream_encoder.h"
#include "reg_helper.h"
#include "hw_shared.h"
#include "dc_link_dp.h"
#include "link.h"
#include "dpcd_defs.h"
#define DC_LOGGER \

2
drivers/gpu/drm/amd/display/dc/dcn314/dcn314_hwseq.c
View File

@ -46,9 +46,7 @@
#include "link_hwss.h"
#include "dpcd_defs.h"
#include "dce/dmub_outbox.h"
#include "dc_link_dp.h"
#include "link.h"
#include "inc/dc_link_dp.h"
#include "dcn10/dcn10_hw_sequencer.h"
#include "inc/link_enc_cfg.h"
#include "dcn30/dcn30_vpg.h"

2
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_stream_encoder.c
View File

@ -29,7 +29,7 @@
#include "dcn32_dio_stream_encoder.h"
#include "reg_helper.h"
#include "hw_shared.h"
#include "dc_link_dp.h"
#include "link.h"
#include "dpcd_defs.h"
#define DC_LOGGER \

1
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
View File

@ -51,7 +51,6 @@
#include "dce/dmub_hw_lock_mgr.h"
#include "dcn32_resource.h"
#include "link.h"
#include "dc_link_dp.h"
#include "dmub/inc/dmub_subvp_state.h"
#define DC_LOGGER_INIT(logger)

1
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
View File

@ -57,7 +57,6 @@
#include "dcn31/dcn31_hpo_dp_stream_encoder.h"
#include "dcn31/dcn31_hpo_dp_link_encoder.h"
#include "dcn32/dcn32_hpo_dp_link_encoder.h"
#include "dc_link_dp.h"
#include "dcn31/dcn31_apg.h"
#include "dcn31/dcn31_dio_link_encoder.h"
#include "dcn32/dcn32_dio_link_encoder.h"

1
drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c
View File

@ -60,7 +60,6 @@
#include "dcn31/dcn31_hpo_dp_stream_encoder.h"
#include "dcn31/dcn31_hpo_dp_link_encoder.h"
#include "dcn32/dcn32_hpo_dp_link_encoder.h"
#include "dc_link_dp.h"
#include "dcn31/dcn31_apg.h"
#include "dcn31/dcn31_dio_link_encoder.h"
#include "dcn32/dcn32_dio_link_encoder.h"

1
drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c
View File

@ -26,7 +26,6 @@
#include "resource.h"
#include "clk_mgr.h"
#include "dc_link_dp.h"
#include "dchubbub.h"
#include "dcn20/dcn20_resource.h"
#include "dcn21/dcn21_resource.h"

1
drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
View File

@ -24,7 +24,6 @@
*
*/
#include "dcn32_fpu.h"
#include "dc_link_dp.h"
#include "dcn32/dcn32_resource.h"
#include "dcn20/dcn20_resource.h"
#include "display_mode_vba_util_32.h"

79
drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h
View File

@ -1,79 +0,0 @@
/*
* Copyright 2015 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 __DC_LINK_DP_H__
#define __DC_LINK_DP_H__
#define LINK_TRAINING_ATTEMPTS 4
#define LINK_TRAINING_RETRY_DELAY 50 /* ms */
#define MAX_MTP_SLOT_COUNT 64
#define TRAINING_AUX_RD_INTERVAL 100 //us
#define LINK_AUX_WAKE_TIMEOUT_MS 1500 // Timeout when trying to wake unresponsive DPRX.
struct dc_link;
struct dc_stream_state;
struct dc_link_settings;
enum {
/*
* Some receivers fail to train on first try and are good
* on subsequent tries. 2 retries should be plenty. If we
* don't have a successful training then we don't expect to
* ever get one.
*/
LINK_TRAINING_MAX_VERIFY_RETRY = 2,
PEAK_FACTOR_X1000 = 1006,
};
bool dp_validate_mode_timing(
struct dc_link *link,
const struct dc_crtc_timing *timing);
void dp_enable_mst_on_sink(struct dc_link *link, bool enable);
enum dc_status dp_set_fec_ready(struct dc_link *link, const struct link_resource *link_res, bool ready);
void dp_set_fec_enable(struct dc_link *link, bool enable);
bool dp_set_dsc_enable(struct pipe_ctx *pipe_ctx, bool enable);
bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable, bool immediate_update);
void dp_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable);
bool dp_update_dsc_config(struct pipe_ctx *pipe_ctx);
bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable);
bool dpcd_write_128b_132b_sst_payload_allocation_table(
const struct dc_stream_state *stream,
struct dc_link *link,
struct link_mst_stream_allocation_table *proposed_table,
bool allocate);
bool dpcd_poll_for_allocation_change_trigger(struct dc_link *link);
struct fixed31_32 calculate_sst_avg_time_slots_per_mtp(
const struct dc_stream_state *stream,
const struct dc_link *link);
void setup_dp_hpo_stream(struct pipe_ctx *pipe_ctx, bool enable);
void dp_source_sequence_trace(struct dc_link *link, uint8_t dp_test_mode);
#endif /* __DC_LINK_DP_H__ */

1
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.c
View File

@ -24,7 +24,6 @@
*/
#include "link_hwss_dio.h"
#include "core_types.h"
#include "dc_link_dp.h"
#include "link_enc_cfg.h"
void set_dio_throttled_vcp_size(struct pipe_ctx *pipe_ctx,

1
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_dio.h
View File

@ -26,6 +26,7 @@
#define __LINK_HWSS_DIO_H__
#include "link_hwss.h"
#include "link.h"
const struct link_hwss *get_dio_link_hwss(void);
bool can_use_dio_link_hwss(const struct dc_link *link,

1
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.c
View File

@ -26,7 +26,6 @@
#include "dm_helpers.h"
#include "core_types.h"
#include "dccg.h"
#include "dc_link_dp.h"
#include "clk_mgr.h"
static enum phyd32clk_clock_source get_phyd32clk_src(struct dc_link *link)

1
drivers/gpu/drm/amd/display/dc/link/hwss/link_hwss_hpo_dp.h
View File

@ -26,6 +26,7 @@
#define __LINK_HWSS_HPO_DP_H__
#include "link_hwss.h"
#include "link.h"
bool can_use_hpo_dp_link_hwss(const struct dc_link *link,
const struct link_resource *link_res);

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c
View File

@ -46,7 +46,6 @@
#include "atomfirmware.h"
#include "resource.h"
#include "link_enc_cfg.h"
#include "dc_link_dp.h"
#include "dc_dmub_srv.h"
#define DC_LOGGER \

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c
View File

@ -27,7 +27,6 @@
#include "dc.h"
#include "inc/core_status.h"
#include "dc_link.h"
#include "dc_link_dp.h"
#include "dpcd_defs.h"
#include "link_dp_dpia.h"

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_phy.c
View File

@ -36,7 +36,6 @@
#include "link_dp_capability.h"
#include "clk_mgr.h"
#include "resource.h"
#include "dc_link_dp.h"
#define DC_LOGGER \
link->ctx->logger

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training.c
View File

@ -41,7 +41,6 @@
#include "link_dp_phy.h"
#include "link_dp_capability.h"
#include "link_edp_panel_control.h"
#include "dc_link_dp.h"
#include "atomfirmware.h"
#include "link_enc_cfg.h"
#include "resource.h"

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_128b_132b.c
View File

@ -32,7 +32,6 @@
#include "link_dpcd.h"
#include "link_dp_phy.h"
#include "link_dp_capability.h"
#include "dc_link_dp.h"
#define DC_LOGGER \
link->ctx->logger

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_8b_10b.c
View File

@ -31,7 +31,6 @@
#include "link_dpcd.h"
#include "link_dp_phy.h"
#include "link_dp_capability.h"
#include "dc_link_dp.h"
#define DC_LOGGER \
link->ctx->logger

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_auxless.c
View File

@ -28,7 +28,6 @@
*/
#include "link_dp_training_auxless.h"
#include "link_dp_phy.h"
#include "dc_link_dp.h"
#define DC_LOGGER \
link->ctx->logger
bool dc_link_dp_perform_link_training_skip_aux(

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_dpia.c
View File

@ -30,7 +30,6 @@
#include "dc.h"
#include "inc/core_status.h"
#include "dc_link.h"
#include "dc_link_dp.h"
#include "dpcd_defs.h"
#include "link_dp_dpia.h"

1
drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.c
View File

@ -36,7 +36,6 @@
#include "link_dpcd.h"
#include "link_dp_phy.h"
#include "link_dp_capability.h"
#include "dc_link_dp.h"
#define DC_LOGGER \
link->ctx->logger