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path: root/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_dpms.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/link/link_dpms.c498
1 files changed, 316 insertions, 182 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
index 79aef205598b..6ae134147617 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
@@ -38,7 +38,6 @@
#include "link_dpms.h"
#include "link_hwss.h"
#include "link_validation.h"
-#include "accessories/link_fpga.h"
#include "accessories/link_dp_trace.h"
#include "protocols/link_dpcd.h"
#include "protocols/link_ddc.h"
@@ -56,7 +55,12 @@
#include "dccg.h"
#include "clk_mgr.h"
#include "atomfirmware.h"
-#define DC_LOGGER_INIT(logger)
+#include "vpg.h"
+
+#define DC_LOGGER \
+ dc_logger
+#define DC_LOGGER_INIT(logger) \
+ struct dal_logger *dc_logger = logger
#define LINK_INFO(...) \
DC_LOG_HW_HOTPLUG( \
@@ -65,7 +69,6 @@
#define RETIMER_REDRIVER_INFO(...) \
DC_LOG_RETIMER_REDRIVER( \
__VA_ARGS__)
-#include "dc/dcn30/dcn30_vpg.h"
#define MAX_MTP_SLOT_COUNT 64
#define LINK_TRAINING_ATTEMPTS 4
@@ -125,7 +128,7 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init)
if (link->ep_type == DISPLAY_ENDPOINT_PHY &&
link->link_enc->funcs->get_dig_frontend &&
link->link_enc->funcs->is_dig_enabled(link->link_enc)) {
- unsigned int fe = link->link_enc->funcs->get_dig_frontend(link->link_enc);
+ int fe = link->link_enc->funcs->get_dig_frontend(link->link_enc);
if (fe != ENGINE_ID_UNKNOWN)
for (j = 0; j < dc->res_pool->stream_enc_count; j++) {
@@ -137,7 +140,8 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init)
}
}
- if ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)
+ if (((!dc->is_switch_in_progress_dest) && ((!link->wa_flags.dp_keep_receiver_powered) || hw_init)) &&
+ (link->type != dc_connection_none))
dpcd_write_rx_power_ctrl(link, false);
}
}
@@ -145,6 +149,7 @@ void link_blank_dp_stream(struct dc_link *link, bool hw_init)
void link_set_all_streams_dpms_off_for_link(struct dc_link *link)
{
struct pipe_ctx *pipes[MAX_PIPES];
+ struct dc_stream_state *streams[MAX_PIPES];
struct dc_state *state = link->dc->current_state;
uint8_t count;
int i;
@@ -157,10 +162,18 @@ void link_set_all_streams_dpms_off_for_link(struct dc_link *link)
link_get_master_pipes_with_dpms_on(link, state, &count, pipes);
+ /* The subsequent call to dc_commit_updates_for_stream for a full update
+ * will release the current state and swap to a new state. Releasing the
+ * current state results in the stream pointers in the pipe_ctx structs
+ * to be zero'd. Hence, cache all streams prior to dc_commit_updates_for_stream.
+ */
+ for (i = 0; i < count; i++)
+ streams[i] = pipes[i]->stream;
+
for (i = 0; i < count; i++) {
- stream_update.stream = pipes[i]->stream;
+ stream_update.stream = streams[i];
dc_commit_updates_for_stream(link->ctx->dc, NULL, 0,
- pipes[i]->stream, &stream_update,
+ streams[i], &stream_update,
state);
}
@@ -649,15 +662,15 @@ static void write_i2c_redriver_setting(
static void update_psp_stream_config(struct pipe_ctx *pipe_ctx, bool dpms_off)
{
struct cp_psp *cp_psp = &pipe_ctx->stream->ctx->cp_psp;
- struct link_encoder *link_enc = NULL;
+ struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
struct cp_psp_stream_config config = {0};
enum dp_panel_mode panel_mode =
dp_get_panel_mode(pipe_ctx->stream->link);
if (cp_psp == NULL || cp_psp->funcs.update_stream_config == NULL)
return;
-
- link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
+ if (!pipe_ctx->stream->ctx->dc->config.unify_link_enc_assignment)
+ link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
ASSERT(link_enc);
if (link_enc == NULL)
return;
@@ -723,7 +736,7 @@ static void set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
static void enable_mst_on_sink(struct dc_link *link, bool enable)
{
- unsigned char mstmCntl;
+ unsigned char mstmCntl = 0;
core_link_read_dpcd(link, DP_MSTM_CTRL, &mstmCntl, 1);
if (enable)
@@ -769,15 +782,45 @@ static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable)
return result;
}
+static bool dp_set_hblank_reduction_on_rx(struct pipe_ctx *pipe_ctx)
+{
+ 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))
+ result = true;
+ else
+ result = dm_helpers_dp_write_hblank_reduction(dc->ctx, stream);
+ 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 link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
{
+ /* TODO: Move this to HWSS as this is hardware programming sequence not a
+ * link layer sequence
+ */
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;
DC_LOGGER_INIT(dsc->ctx->logger);
for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
@@ -785,11 +828,12 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
if (enable) {
struct dsc_config dsc_cfg;
- struct dsc_optc_config dsc_optc_cfg;
+ struct dsc_optc_config dsc_optc_cfg = {0};
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_width = (stream->timing.h_addressable + pipe_ctx->dsc_padding_params.dsc_hactive_padding +
+ 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;
@@ -797,12 +841,17 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
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_cfg.dsc_padding = pipe_ctx->dsc_padding_params.dsc_hactive_padding;
+ if (should_use_dto_dscclk)
+ dccg->funcs->set_dto_dscclk(dccg, dsc->inst, dsc_cfg.dc_dsc_cfg.num_slices_h);
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;
+ if (should_use_dto_dscclk)
+ dccg->funcs->set_dto_dscclk(dccg, odm_dsc->inst, dsc_cfg.dc_dsc_cfg.num_slices_h);
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);
}
@@ -815,10 +864,11 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
if (dc_is_dp_signal(stream->signal) && !dp_is_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);
+ if (pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config)
+ 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 */
}
@@ -845,18 +895,43 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable)
NULL,
true);
else {
- pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config(
- pipe_ctx->stream_res.stream_enc,
- OPTC_DSC_DISABLED, 0, 0);
+ if (pipe_ctx->stream_res.stream_enc->funcs->dp_set_dsc_config)
+ 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)
+ for (odm_pipe = pipe_ctx; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) {
+ odm_pipe->stream_res.dsc->funcs->dsc_disconnect(odm_pipe->stream_res.dsc);
+ /*
+ * TODO - dsc_disconnect is a double buffered register.
+ * by the time we call dsc_disable, dsc may still remain
+ * connected to OPP. In this case OPTC will no longer
+ * get correct pixel data because DSCC is off. However
+ * we also can't wait for the disconnect pending
+ * complete, because this function can be called
+ * with/without OTG master lock acquired. When the lock
+ * is acquired we will never get pending complete until
+ * we release the lock later. So there is no easy way to
+ * solve this problem especially when the lock is
+ * acquired. DSC is a front end hw block it should be
+ * programmed as part of front end sequence, where the
+ * commit sequence without lock and update sequence
+ * with lock are completely separated. However because
+ * we are programming dsc as part of back end link
+ * programming sequence, we don't know if front end OPTC
+ * master lock is acquired. The back end should be
+ * agnostic to front end lock. DSC programming shouldn't
+ * belong to this sequence.
+ */
odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc);
+ if (dccg->funcs->set_ref_dscclk)
+ dccg->funcs->set_ref_dscclk(dccg, odm_pipe->stream_res.dsc->inst);
+ }
}
}
@@ -873,11 +948,15 @@ bool link_set_dsc_pps_packet(struct pipe_ctx *pipe_ctx, bool enable, bool immedi
{
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)
+ if (!pipe_ctx->stream->timing.flags.DSC)
return false;
+ if (!dsc)
+ return false;
+
+ DC_LOGGER_INIT(dsc->ctx->logger);
+
if (enable) {
struct dsc_config dsc_cfg;
uint8_t dsc_packed_pps[128];
@@ -892,6 +971,7 @@ bool link_set_dsc_pps_packet(struct pipe_ctx *pipe_ctx, bool enable, bool immedi
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_cfg.dsc_padding = pipe_ctx->dsc_padding_params.dsc_hactive_padding;
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));
@@ -1055,18 +1135,21 @@ static struct fixed31_32 get_pbn_from_bw_in_kbps(uint64_t kbps)
uint32_t denominator = 1;
/*
- * margin 5300ppm + 300ppm ~ 0.6% as per spec, factor is 1.006
+ * The 1.006 factor (margin 5300ppm + 300ppm ~ 0.6% as per spec) is not
+ * required when determining PBN/time slot utilization on the link between
+ * us and the branch, since that overhead is already accounted for in
+ * the get_pbn_per_slot function.
+ *
* The unit of 54/64Mbytes/sec is an arbitrary unit chosen based on
* common multiplier to render an integer PBN for all link rate/lane
* counts combinations
* calculate
- * peak_kbps *= (1006/1000)
* peak_kbps *= (64/54)
- * peak_kbps *= 8 convert to bytes
+ * peak_kbps /= (8 * 1000) convert to bytes
*/
- numerator = 64 * PEAK_FACTOR_X1000;
- denominator = 54 * 8 * 1000 * 1000;
+ numerator = 64;
+ denominator = 54 * 8 * 1000;
kbps *= numerator;
peak_kbps = dc_fixpt_from_fraction(kbps, denominator);
@@ -1123,12 +1206,13 @@ static bool poll_for_allocation_change_trigger(struct dc_link *link)
int i;
const int act_retries = 30;
enum act_return_status result = ACT_FAILED;
+ enum dc_connection_type display_connected = (link->type != dc_connection_none);
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)
+ if (!display_connected || 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);
@@ -1245,86 +1329,6 @@ static void remove_stream_from_alloc_table(
}
}
-static enum dc_status deallocate_mst_payload_with_temp_drm_wa(
- struct pipe_ctx *pipe_ctx)
-{
- struct dc_stream_state *stream = pipe_ctx->stream;
- struct dc_link *link = stream->link;
- struct dc_dp_mst_stream_allocation_table proposed_table = {0};
- struct fixed31_32 avg_time_slots_per_mtp = dc_fixpt_from_int(0);
- int i;
- bool mst_mode = (link->type == dc_connection_mst_branch);
- /* adjust for drm changes*/
- const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
- const struct dc_link_settings empty_link_settings = {0};
- DC_LOGGER_INIT(link->ctx->logger);
-
- if (link_hwss->ext.set_throttled_vcp_size)
- link_hwss->ext.set_throttled_vcp_size(pipe_ctx, avg_time_slots_per_mtp);
- if (link_hwss->ext.set_hblank_min_symbol_width)
- link_hwss->ext.set_hblank_min_symbol_width(pipe_ctx,
- &empty_link_settings,
- avg_time_slots_per_mtp);
-
- if (dm_helpers_dp_mst_write_payload_allocation_table(
- stream->ctx,
- stream,
- &proposed_table,
- false))
- update_mst_stream_alloc_table(
- link,
- pipe_ctx->stream_res.stream_enc,
- pipe_ctx->stream_res.hpo_dp_stream_enc,
- &proposed_table);
- else
- DC_LOG_WARNING("Failed to update"
- "MST allocation table for"
- "pipe idx:%d\n",
- pipe_ctx->pipe_idx);
-
- DC_LOG_MST("%s"
- "stream_count: %d: ",
- __func__,
- link->mst_stream_alloc_table.stream_count);
-
- for (i = 0; i < MAX_CONTROLLER_NUM; i++) {
- DC_LOG_MST("stream_enc[%d]: %p "
- "stream[%d].hpo_dp_stream_enc: %p "
- "stream[%d].vcp_id: %d "
- "stream[%d].slot_count: %d\n",
- i,
- (void *) link->mst_stream_alloc_table.stream_allocations[i].stream_enc,
- i,
- (void *) link->mst_stream_alloc_table.stream_allocations[i].hpo_dp_stream_enc,
- i,
- link->mst_stream_alloc_table.stream_allocations[i].vcp_id,
- i,
- link->mst_stream_alloc_table.stream_allocations[i].slot_count);
- }
-
- if (link_hwss->ext.update_stream_allocation_table == NULL ||
- link_dp_get_encoding_format(&link->cur_link_settings) == DP_UNKNOWN_ENCODING) {
- DC_LOG_DEBUG("Unknown encoding format\n");
- return DC_ERROR_UNEXPECTED;
- }
-
- link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
- &link->mst_stream_alloc_table);
-
- if (mst_mode) {
- dm_helpers_dp_mst_poll_for_allocation_change_trigger(
- stream->ctx,
- stream);
- }
-
- dm_helpers_dp_mst_send_payload_allocation(
- stream->ctx,
- stream,
- false);
-
- return DC_OK;
-}
-
static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx)
{
struct dc_stream_state *stream = pipe_ctx->stream;
@@ -1337,9 +1341,6 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx)
const struct dc_link_settings empty_link_settings = {0};
DC_LOGGER_INIT(link->ctx->logger);
- if (link->dc->debug.temp_mst_deallocation_sequence)
- return deallocate_mst_payload_with_temp_drm_wa(pipe_ctx);
-
/* deallocate_mst_payload is called before disable link. When mode or
* disable/enable monitor, new stream is created which is not in link
* stream[] yet. For this, payload is not allocated yet, so de-alloc
@@ -1412,16 +1413,14 @@ static enum dc_status deallocate_mst_payload(struct pipe_ctx *pipe_ctx)
link_hwss->ext.update_stream_allocation_table(link, &pipe_ctx->link_res,
&link->mst_stream_alloc_table);
- if (mst_mode) {
+ if (mst_mode)
dm_helpers_dp_mst_poll_for_allocation_change_trigger(
stream->ctx,
stream);
- dm_helpers_dp_mst_send_payload_allocation(
- stream->ctx,
- stream,
- false);
- }
+ dm_helpers_dp_mst_update_mst_mgr_for_deallocation(
+ stream->ctx,
+ stream);
return DC_OK;
}
@@ -1502,12 +1501,10 @@ static enum dc_status allocate_mst_payload(struct pipe_ctx *pipe_ctx)
stream->ctx,
stream);
- if (ret != ACT_LINK_LOST) {
+ if (ret != ACT_LINK_LOST)
dm_helpers_dp_mst_send_payload_allocation(
stream->ctx,
- stream,
- true);
- }
+ stream);
/* slot X.Y for only current stream */
pbn_per_slot = get_pbn_per_slot(stream);
@@ -1564,6 +1561,7 @@ static bool write_128b_132b_sst_payload_allocation_table(
union payload_table_update_status update_status = { 0 };
const uint32_t max_retries = 30;
uint32_t retries = 0;
+ enum dc_connection_type display_connected = (link->type != dc_connection_none);
DC_LOGGER_INIT(link->ctx->logger);
if (allocate) {
@@ -1581,7 +1579,7 @@ static bool write_128b_132b_sst_payload_allocation_table(
proposed_table->stream_allocations[0].slot_count = req_slot_count;
proposed_table->stream_allocations[0].vcp_id = vc_id;
- if (link->aux_access_disabled)
+ if (!display_connected || link->aux_access_disabled)
return true;
/// Write DPCD 2C0 = 1 to start updating
@@ -1628,7 +1626,7 @@ static bool write_128b_132b_sst_payload_allocation_table(
break;
}
} else {
- union dpcd_rev dpcdRev;
+ union dpcd_rev dpcdRev = {0};
if (core_link_read_dpcd(
link,
@@ -1767,8 +1765,7 @@ enum dc_status link_reduce_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_in
/* send ALLOCATE_PAYLOAD sideband message with updated pbn */
dm_helpers_dp_mst_send_payload_allocation(
stream->ctx,
- stream,
- true);
+ stream);
/* notify immediate branch device table update */
if (dm_helpers_dp_mst_write_payload_allocation_table(
@@ -1897,8 +1894,7 @@ enum dc_status link_increase_mst_payload(struct pipe_ctx *pipe_ctx, uint32_t bw_
/* send ALLOCATE_PAYLOAD sideband message with updated pbn */
dm_helpers_dp_mst_send_payload_allocation(
stream->ctx,
- stream,
- true);
+ stream);
}
/* increase throttled vcp size */
@@ -1930,7 +1926,7 @@ static void disable_link_dp(struct dc_link *link,
dp_disable_link_phy(link, link_res, signal);
if (link->connector_signal == SIGNAL_TYPE_EDP) {
- if (!link->dc->config.edp_no_power_sequencing)
+ if (!link->skip_implict_edp_power_control)
link->dc->hwss.edp_power_control(link, false);
}
@@ -1940,7 +1936,7 @@ static void disable_link_dp(struct dc_link *link,
if (link_dp_get_encoding_format(&link_settings) ==
DP_8b_10b_ENCODING) {
- dp_set_fec_enable(link, false);
+ dp_set_fec_enable(link, link_res, false);
dp_set_fec_ready(link, link_res, false);
}
}
@@ -1951,7 +1947,9 @@ static void disable_link(struct dc_link *link,
{
if (dc_is_dp_signal(signal)) {
disable_link_dp(link, link_res, signal);
- } else if (signal != SIGNAL_TYPE_VIRTUAL) {
+ } else if (signal == SIGNAL_TYPE_VIRTUAL) {
+ link->dc->hwss.disable_link_output(link, link_res, SIGNAL_TYPE_DISPLAY_PORT);
+ } else {
link->dc->hwss.disable_link_output(link, link_res, signal);
}
@@ -1981,11 +1979,15 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
stream->phy_pix_clk = stream->timing.pix_clk_100hz / 10;
if (stream->phy_pix_clk > 340000)
is_over_340mhz = true;
+ if (dc_is_tmds_signal(stream->signal) && stream->phy_pix_clk > 6000000UL) {
+ ASSERT(false);
+ return;
+ }
if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
unsigned short masked_chip_caps = pipe_ctx->stream->link->chip_caps &
- EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
- if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
+ AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
+ if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
/* DP159, Retimer settings */
eng_id = pipe_ctx->stream_res.stream_enc->id;
@@ -1996,7 +1998,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
write_i2c_default_retimer_setting(pipe_ctx,
is_vga_mode, is_over_340mhz);
}
- } else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
+ } else if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
/* PI3EQX1204, Redriver settings */
write_i2c_redriver_setting(pipe_ctx, is_over_340mhz);
}
@@ -2018,7 +2020,7 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
/* We need to enable stream encoder for TMDS first to apply 1/4 TMDS
* character clock in case that beyond 340MHz.
*/
- if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal))
+ if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) || dc_is_dvi_signal(pipe_ctx->stream->signal))
link_hwss->setup_stream_encoder(pipe_ctx);
dc->hwss.enable_tmds_link_output(
@@ -2052,7 +2054,7 @@ static enum dc_status enable_link_dp(struct dc_state *state,
int lt_attempts = LINK_TRAINING_ATTEMPTS;
// Increase retry count if attempting DP1.x on FIXED_VS link
- if ((link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) &&
+ if (((link->chip_caps & AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK) == AMD_EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) &&
link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING)
lt_attempts = 10;
@@ -2064,17 +2066,12 @@ static enum dc_status enable_link_dp(struct dc_state *state,
}
}
- /*
- * If the link is DP-over-USB4 do the following:
- * - Train with fallback when enabling DPIA link. Conventional links are
+ /* Train with fallback when enabling DPIA link. Conventional links are
* trained with fallback during sink detection.
- * - Allocate only what the stream needs for bw in Gbps. Inform the CM
- * in case stream needs more or less bw from what has been allocated
- * earlier at plug time.
*/
- if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA) {
+ if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA &&
+ !link->dc->config.enable_dpia_pre_training)
do_fallback = true;
- }
/*
* Temporary w/a to get DP2.0 link rates to work with SST.
@@ -2117,6 +2114,9 @@ static enum dc_status enable_link_dp(struct dc_state *state,
if (link_settings->link_rate == LINK_RATE_LOW)
skip_video_pattern = false;
+ if (stream->sink_patches.oled_optimize_display_on)
+ set_default_brightness_aux(link);
+
if (perform_link_training_with_retries(link_settings,
skip_video_pattern,
lt_attempts,
@@ -2134,17 +2134,20 @@ static enum dc_status enable_link_dp(struct dc_state *state,
fec_enable = true;
if (link_dp_get_encoding_format(link_settings) == DP_8b_10b_ENCODING)
- dp_set_fec_enable(link, fec_enable);
+ dp_set_fec_enable(link, &pipe_ctx->link_res, fec_enable);
// during mode set we do DP_SET_POWER off then on, aux writes are lost
if (link->dpcd_sink_ext_caps.bits.oled == 1 ||
link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1 ||
link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1) {
- set_cached_brightness_aux(link);
-
- if (link->dpcd_sink_ext_caps.bits.oled == 1)
- msleep(bl_oled_enable_delay);
- edp_backlight_enable_aux(link, true);
+ if (!stream->sink_patches.oled_optimize_display_on) {
+ set_default_brightness_aux(link);
+ if (link->dpcd_sink_ext_caps.bits.oled == 1)
+ msleep(bl_oled_enable_delay);
+ edp_backlight_enable_aux(link, true);
+ } else {
+ edp_backlight_enable_aux(link, true);
+ }
}
return status;
@@ -2181,7 +2184,7 @@ static enum dc_status enable_link_dp_mst(
struct pipe_ctx *pipe_ctx)
{
struct dc_link *link = pipe_ctx->stream->link;
- unsigned char mstm_cntl;
+ unsigned char mstm_cntl = 0;
/* sink signal type after MST branch is MST. Multiple MST sinks
* share one link. Link DP PHY is enable or training only once.
@@ -2205,13 +2208,29 @@ static enum dc_status enable_link_dp_mst(
return enable_link_dp(state, pipe_ctx);
}
+static enum dc_status enable_link_virtual(struct pipe_ctx *pipe_ctx)
+{
+ struct dc_link *link = pipe_ctx->stream->link;
+
+ link->dc->hwss.enable_dp_link_output(link,
+ &pipe_ctx->link_res,
+ SIGNAL_TYPE_DISPLAY_PORT,
+ pipe_ctx->clock_source->id,
+ &pipe_ctx->link_config.dp_link_settings);
+ return DC_OK;
+}
+
static enum dc_status enable_link(
struct dc_state *state,
struct pipe_ctx *pipe_ctx)
{
enum dc_status status = DC_ERROR_UNEXPECTED;
struct dc_stream_state *stream = pipe_ctx->stream;
- struct dc_link *link = stream->link;
+ struct dc_link *link = NULL;
+
+ if (stream == NULL)
+ return DC_ERROR_UNEXPECTED;
+ link = stream->link;
/* There's some scenarios where driver is unloaded with display
* still enabled. When driver is reloaded, it may cause a display
@@ -2219,7 +2238,7 @@ static enum dc_status enable_link(
* link settings. Need to call disable first before enabling at
* new link settings.
*/
- if (link->link_status.link_active && !stream->skip_edp_power_down)
+ if (link->link_status.link_active)
disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
switch (pipe_ctx->stream->signal) {
@@ -2243,9 +2262,12 @@ static enum dc_status enable_link(
enable_link_lvds(pipe_ctx);
status = DC_OK;
break;
- case SIGNAL_TYPE_VIRTUAL:
+ case SIGNAL_TYPE_RGB:
status = DC_OK;
break;
+ case SIGNAL_TYPE_VIRTUAL:
+ status = enable_link_virtual(pipe_ctx);
+ break;
default:
break;
}
@@ -2257,32 +2279,100 @@ static enum dc_status enable_link(
return status;
}
+static bool allocate_usb4_bandwidth_for_stream(struct dc_stream_state *stream, int bw)
+{
+ struct dc_link *link = stream->sink->link;
+ int req_bw = bw;
+
+ DC_LOGGER_INIT(link->ctx->logger);
+
+ if (!link->dpia_bw_alloc_config.bw_alloc_enabled)
+ return false;
+
+ if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+ int sink_index = 0;
+ int i = 0;
+
+ for (i = 0; i < link->sink_count; i++) {
+ if (link->remote_sinks[i] == NULL)
+ continue;
+
+ if (stream->sink->sink_id != link->remote_sinks[i]->sink_id)
+ req_bw += link->dpia_bw_alloc_config.remote_sink_req_bw[i];
+ else
+ sink_index = i;
+ }
+
+ link->dpia_bw_alloc_config.remote_sink_req_bw[sink_index] = bw;
+ }
+
+ link->dpia_bw_alloc_config.dp_overhead = link_dpia_get_dp_overhead(link);
+ req_bw += link->dpia_bw_alloc_config.dp_overhead;
+
+ link_dp_dpia_allocate_usb4_bandwidth_for_stream(link, req_bw);
+
+ if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+ int i = 0;
+
+ for (i = 0; i < link->sink_count; i++) {
+ if (link->remote_sinks[i] == NULL)
+ continue;
+ DC_LOG_DEBUG("%s, remote_sink=%s, request_bw=%d\n", __func__,
+ (const char *)(&link->remote_sinks[i]->edid_caps.display_name[0]),
+ link->dpia_bw_alloc_config.remote_sink_req_bw[i]);
+ }
+ }
+
+ return true;
+}
+
+static bool allocate_usb4_bandwidth(struct dc_stream_state *stream)
+{
+ bool ret;
+
+ int bw = dc_bandwidth_in_kbps_from_timing(&stream->timing,
+ dc_link_get_highest_encoding_format(stream->sink->link));
+
+ ret = allocate_usb4_bandwidth_for_stream(stream, bw);
+
+ return ret;
+}
+
+static bool deallocate_usb4_bandwidth(struct dc_stream_state *stream)
+{
+ bool ret;
+
+ ret = allocate_usb4_bandwidth_for_stream(stream, 0);
+
+ return ret;
+}
+
void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
{
struct dc *dc = pipe_ctx->stream->ctx->dc;
struct dc_stream_state *stream = pipe_ctx->stream;
struct dc_link *link = stream->sink->link;
struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
+ enum dp_panel_mode panel_mode_dp = dp_get_panel_mode(link);
+
+ DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
ASSERT(is_master_pipe_for_link(link, pipe_ctx));
if (dp_is_128b_132b_signal(pipe_ctx))
vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
-
- DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+ if (dc_is_virtual_signal(pipe_ctx->stream->signal))
+ return;
if (pipe_ctx->stream->sink) {
if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL &&
pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) {
- DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__,
+ DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x link=%d\n", __func__,
pipe_ctx->stream->sink->edid_caps.display_name,
- pipe_ctx->stream->signal);
+ pipe_ctx->stream->signal, link->link_index);
}
}
- if (dc_is_virtual_signal(pipe_ctx->stream->signal))
- return;
-
if (!pipe_ctx->stream->sink->edid_caps.panel_patch.skip_avmute) {
if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
set_avmute(pipe_ctx, true);
@@ -2293,9 +2383,12 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
update_psp_stream_config(pipe_ctx, true);
dc->hwss.blank_stream(pipe_ctx);
+ if (pipe_ctx->link_config.dp_tunnel_settings.should_use_dp_bw_allocation)
+ deallocate_usb4_bandwidth(pipe_ctx->stream);
+
if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
deallocate_mst_payload(pipe_ctx);
- else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
+ else if (dc_is_dp_sst_signal(pipe_ctx->stream->signal) &&
dp_is_128b_132b_signal(pipe_ctx))
update_sst_payload(pipe_ctx, false);
@@ -2304,13 +2397,13 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
enum engine_id eng_id = pipe_ctx->stream_res.stream_enc->id;
unsigned short masked_chip_caps = link->chip_caps &
- EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
+ AMD_EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK;
//Need to inform that sink is going to use legacy HDMI mode.
write_scdc_data(
link->ddc,
165000,//vbios only handles 165Mhz.
false);
- if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
+ if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) {
/* DP159, Retimer settings */
if (get_ext_hdmi_settings(pipe_ctx, eng_id, &settings))
write_i2c_retimer_setting(pipe_ctx,
@@ -2318,7 +2411,7 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
else
write_i2c_default_retimer_setting(pipe_ctx,
false, false);
- } else if (masked_chip_caps == EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
+ } else if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204) {
/* PI3EQX1204, Redriver settings */
write_i2c_redriver_setting(pipe_ctx, false);
}
@@ -2338,10 +2431,9 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
dc->hwss.disable_stream(pipe_ctx);
} else {
dc->hwss.disable_stream(pipe_ctx);
- if (!pipe_ctx->stream->skip_edp_power_down) {
- disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
- }
+ disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
}
+ edp_set_panel_assr(link, pipe_ctx, &panel_mode_dp, false);
if (pipe_ctx->stream->timing.flags.DSC) {
if (dc_is_dp_signal(pipe_ctx->stream->signal))
@@ -2354,6 +2446,14 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx)
if (vpg && vpg->funcs->vpg_powerdown)
vpg->funcs->vpg_powerdown(vpg);
+
+ /* for psp not exist case */
+ if (link->connector_signal == SIGNAL_TYPE_EDP && dc->debug.psp_disabled_wa) {
+ /* reset internal save state to default since eDP is off */
+ enum dp_panel_mode panel_mode = dp_get_panel_mode(pipe_ctx->stream->link);
+ /* since current psp not loaded, we need to reset it to default */
+ link->panel_mode = panel_mode;
+ }
}
void link_set_dpms_on(
@@ -2364,33 +2464,34 @@ void link_set_dpms_on(
struct dc_stream_state *stream = pipe_ctx->stream;
struct dc_link *link = stream->sink->link;
enum dc_status status;
- struct link_encoder *link_enc;
+ struct link_encoder *link_enc = pipe_ctx->link_res.dio_link_enc;
enum otg_out_mux_dest otg_out_dest = OUT_MUX_DIO;
struct vpg *vpg = pipe_ctx->stream_res.stream_enc->vpg;
const struct link_hwss *link_hwss = get_link_hwss(link, &pipe_ctx->link_res);
bool apply_edp_fast_boot_optimization =
pipe_ctx->stream->apply_edp_fast_boot_optimization;
+ DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+
ASSERT(is_master_pipe_for_link(link, pipe_ctx));
if (dp_is_128b_132b_signal(pipe_ctx))
vpg = pipe_ctx->stream_res.hpo_dp_stream_enc->vpg;
-
- DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
+ if (dc_is_virtual_signal(pipe_ctx->stream->signal))
+ return;
if (pipe_ctx->stream->sink) {
if (pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_VIRTUAL &&
pipe_ctx->stream->sink->sink_signal != SIGNAL_TYPE_NONE) {
- DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x\n", __func__,
+ DC_LOG_DC("%s pipe_ctx dispname=%s signal=%x link=%d\n", __func__,
pipe_ctx->stream->sink->edid_caps.display_name,
- pipe_ctx->stream->signal);
+ pipe_ctx->stream->signal,
+ link->link_index);
}
}
- if (dc_is_virtual_signal(pipe_ctx->stream->signal))
- return;
-
- link_enc = link_enc_cfg_get_link_enc(link);
+ if (!dc->config.unify_link_enc_assignment)
+ link_enc = link_enc_cfg_get_link_enc(link);
ASSERT(link_enc);
if (!dc_is_virtual_signal(pipe_ctx->stream->signal)
@@ -2446,12 +2547,29 @@ void link_set_dpms_on(
!pipe_ctx->next_odm_pipe) {
pipe_ctx->stream->dpms_off = false;
update_psp_stream_config(pipe_ctx, false);
+
+ if (link->is_dds) {
+ uint32_t post_oui_delay = 30; // 30ms
+
+ dpcd_set_source_specific_data(link);
+ msleep(post_oui_delay);
+ }
+
return;
}
if (pipe_ctx->stream->dpms_off)
return;
+ /* For Dp tunneling link, a pending HPD means that we have a race condition between processing
+ * current link and processing the pending HPD. If we enable the link now, we may end up with a
+ * link that is not actually connected to a sink. So we skip enabling the link in this case.
+ */
+ if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA && link->is_hpd_pending) {
+ DC_LOG_DEBUG("%s, Link%d HPD is pending, not enable it.\n", __func__, link->link_index);
+ return;
+ }
+
/* Have to setup DSC before DIG FE and BE are connected (which happens before the
* link training). This is to make sure the bandwidth sent to DIG BE won't be
* bigger than what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag
@@ -2460,9 +2578,8 @@ void link_set_dpms_on(
*/
if (pipe_ctx->stream->timing.flags.DSC) {
if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
- dc_is_virtual_signal(pipe_ctx->stream->signal))
- link_set_dsc_enable(pipe_ctx, true);
-
+ dc_is_virtual_signal(pipe_ctx->stream->signal))
+ link_set_dsc_enable(pipe_ctx, true);
}
status = enable_link(state, pipe_ctx);
@@ -2499,10 +2616,12 @@ void link_set_dpms_on(
*/
if (!(dc_is_virtual_signal(pipe_ctx->stream->signal) ||
dp_is_128b_132b_signal(pipe_ctx))) {
+
if (link_enc)
link_enc->funcs->setup(
link_enc,
pipe_ctx->stream->signal);
+
}
dc->hwss.enable_stream(pipe_ctx);
@@ -2516,12 +2635,27 @@ void link_set_dpms_on(
}
}
+ if (dc_is_dp_signal(pipe_ctx->stream->signal))
+ dp_set_hblank_reduction_on_rx(pipe_ctx);
+
+ if (pipe_ctx->link_config.dp_tunnel_settings.should_use_dp_bw_allocation)
+ allocate_usb4_bandwidth(pipe_ctx->stream);
+
if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
allocate_mst_payload(pipe_ctx);
- else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT &&
+ else if (dc_is_dp_sst_signal(pipe_ctx->stream->signal) &&
dp_is_128b_132b_signal(pipe_ctx))
update_sst_payload(pipe_ctx, true);
+ /* Corruption was observed on systems with display mux when stream gets
+ * enabled after the mux switch. Having a small delay between link
+ * training and stream unblank resolves the corruption issue.
+ * This is workaround.
+ */
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
+ link->is_display_mux_present)
+ msleep(20);
+
dc->hwss.unblank_stream(pipe_ctx,
&pipe_ctx->stream->link->cur_link_settings);