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path: root/drivers/gpu/drm/amd/display/dc/core/dc_link.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link.c208
1 files changed, 184 insertions, 24 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index fced3c1c2ef5..fb04a4ad141f 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -54,6 +54,9 @@
DC_LOG_HW_HOTPLUG( \
__VA_ARGS__)
+#define RETIMER_REDRIVER_INFO(...) \
+ DC_LOG_RETIMER_REDRIVER( \
+ __VA_ARGS__)
/*******************************************************************************
* Private structures
******************************************************************************/
@@ -200,6 +203,11 @@ bool dc_link_detect_sink(struct dc_link *link, enum dc_connection_type *type)
uint32_t is_hpd_high = 0;
struct gpio *hpd_pin;
+ if (link->connector_signal == SIGNAL_TYPE_LVDS) {
+ *type = dc_connection_single;
+ return true;
+ }
+
/* todo: may need to lock gpio access */
hpd_pin = get_hpd_gpio(link->ctx->dc_bios, link->link_id, link->ctx->gpio_service);
if (hpd_pin == NULL)
@@ -613,6 +621,10 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
link->local_sink)
return true;
+ if (link->connector_signal == SIGNAL_TYPE_LVDS &&
+ link->local_sink)
+ return true;
+
prev_sink = link->local_sink;
if (prev_sink != NULL) {
dc_sink_retain(prev_sink);
@@ -646,6 +658,12 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
break;
}
+ case SIGNAL_TYPE_LVDS: {
+ sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
+ sink_caps.signal = SIGNAL_TYPE_LVDS;
+ break;
+ }
+
case SIGNAL_TYPE_EDP: {
detect_edp_sink_caps(link);
sink_caps.transaction_type =
@@ -872,6 +890,24 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
return true;
}
+bool dc_link_get_hpd_state(struct dc_link *dc_link)
+{
+ struct gpio *hpd_pin;
+ uint32_t state;
+
+ hpd_pin = get_hpd_gpio(dc_link->ctx->dc_bios,
+ dc_link->link_id, dc_link->ctx->gpio_service);
+ if (hpd_pin == NULL)
+ ASSERT(false);
+
+ dal_gpio_open(hpd_pin, GPIO_MODE_INTERRUPT);
+ dal_gpio_get_value(hpd_pin, &state);
+ dal_gpio_close(hpd_pin);
+ dal_gpio_destroy_irq(&hpd_pin);
+
+ return state;
+}
+
static enum hpd_source_id get_hpd_line(
struct dc_link *link)
{
@@ -1088,6 +1124,9 @@ static bool construct(
dal_irq_get_rx_source(hpd_gpio);
}
break;
+ case CONNECTOR_ID_LVDS:
+ link->connector_signal = SIGNAL_TYPE_LVDS;
+ break;
default:
DC_LOG_WARNING("Unsupported Connector type:%d!\n", link->link_id.id);
goto create_fail;
@@ -1531,8 +1570,8 @@ static bool i2c_write(struct pipe_ctx *pipe_ctx,
payload.write = true;
cmd.payloads = &payload;
- if (dc_submit_i2c(pipe_ctx->stream->ctx->dc,
- pipe_ctx->stream->sink->link->link_index, &cmd))
+ if (dm_helpers_submit_i2c(pipe_ctx->stream->ctx,
+ pipe_ctx->stream->sink->link, &cmd))
return true;
return false;
@@ -1551,6 +1590,7 @@ static void write_i2c_retimer_setting(
uint8_t value = 0;
int i = 0;
bool i2c_success = false;
+ DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
memset(&buffer, 0, sizeof(buffer));
@@ -1564,6 +1604,9 @@ static void write_i2c_retimer_setting(
buffer[1] = settings->reg_settings[i].i2c_reg_val;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+ offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
@@ -1594,6 +1637,9 @@ static void write_i2c_retimer_setting(
buffer[1] = value | apply_rx_tx_change;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1611,6 +1657,9 @@ static void write_i2c_retimer_setting(
buffer[1] = settings->reg_settings_6g[i].i2c_reg_val;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("above 340Mhz: retimer write to slave_address = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
@@ -1641,6 +1690,9 @@ static void write_i2c_retimer_setting(
buffer[1] = value | apply_rx_tx_change;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1657,6 +1709,9 @@ static void write_i2c_retimer_setting(
buffer[1] = 0x01;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1666,6 +1721,9 @@ static void write_i2c_retimer_setting(
buffer[1] = 0x23;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+ offset = 0x%d, reg_val = 0x%d, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1675,6 +1733,9 @@ static void write_i2c_retimer_setting(
buffer[1] = 0x00;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
+ offset = 0x%d, reg_val = 0x%d, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1690,6 +1751,7 @@ static void write_i2c_default_retimer_setting(
uint8_t slave_address = (0xBA >> 1);
uint8_t buffer[2];
bool i2c_success = false;
+ DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
memset(&buffer, 0, sizeof(buffer));
@@ -1699,6 +1761,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = 0x13;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer writes default setting to slave_address = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1708,6 +1773,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = 0x17;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1717,6 +1785,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = is_over_340mhz ? 0xDA : 0xD8;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1726,6 +1797,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = 0x17;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1735,6 +1809,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = is_over_340mhz ? 0x1D : 0x91;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1744,6 +1821,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = 0x17;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1757,6 +1837,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = 0x01;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1766,6 +1849,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = 0x23;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val= 0x%x, i2c_success = %d\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1775,6 +1861,9 @@ static void write_i2c_default_retimer_setting(
buffer[1] = 0x00;
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("retimer write default setting to slave_addr = 0x%x,\
+ offset = 0x%x, reg_val= 0x%x, i2c_success = %d end here\n",
+ slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
ASSERT(i2c_success);
@@ -1788,6 +1877,7 @@ static void write_i2c_redriver_setting(
uint8_t slave_address = (0xF0 >> 1);
uint8_t buffer[16];
bool i2c_success = false;
+ DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
memset(&buffer, 0, sizeof(buffer));
@@ -1799,6 +1889,11 @@ static void write_i2c_redriver_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
+ RETIMER_REDRIVER_INFO("redriver write 0 to all 16 reg offset expect following:\n\
+ \t slave_addr = 0x%x, offset[3] = 0x%x, offset[4] = 0x%x,\
+ offset[5] = 0x%x,offset[6] is_over_340mhz = 0x%x,\
+ i2c_success = %d\n",
+ slave_address, buffer[3], buffer[4], buffer[5], buffer[6], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
@@ -1865,6 +1960,24 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
dal_ddc_service_read_scdc_data(link->ddc);
}
+static void enable_link_lvds(struct pipe_ctx *pipe_ctx)
+{
+ struct dc_stream_state *stream = pipe_ctx->stream;
+ struct dc_link *link = stream->sink->link;
+
+ if (stream->phy_pix_clk == 0)
+ stream->phy_pix_clk = stream->timing.pix_clk_khz;
+
+ memset(&stream->sink->link->cur_link_settings, 0,
+ sizeof(struct dc_link_settings));
+
+ link->link_enc->funcs->enable_lvds_output(
+ link->link_enc,
+ pipe_ctx->clock_source->id,
+ stream->phy_pix_clk);
+
+}
+
/****************************enable_link***********************************/
static enum dc_status enable_link(
struct dc_state *state,
@@ -1888,6 +2001,10 @@ static enum dc_status enable_link(
enable_link_hdmi(pipe_ctx);
status = DC_OK;
break;
+ case SIGNAL_TYPE_LVDS:
+ enable_link_lvds(pipe_ctx);
+ status = DC_OK;
+ break;
case SIGNAL_TYPE_VIRTUAL:
status = DC_OK;
break;
@@ -2403,23 +2520,63 @@ void core_link_enable_stream(
struct pipe_ctx *pipe_ctx)
{
struct dc *core_dc = pipe_ctx->stream->ctx->dc;
+ struct dc_stream_state *stream = pipe_ctx->stream;
enum dc_status status;
DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
- /* eDP lit up by bios already, no need to enable again. */
- if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
- core_dc->apply_edp_fast_boot_optimization) {
- core_dc->apply_edp_fast_boot_optimization = false;
- pipe_ctx->stream->dpms_off = false;
- return;
+ if (pipe_ctx->stream->signal != SIGNAL_TYPE_VIRTUAL) {
+ stream->sink->link->link_enc->funcs->setup(
+ stream->sink->link->link_enc,
+ pipe_ctx->stream->signal);
+ pipe_ctx->stream_res.stream_enc->funcs->setup_stereo_sync(
+ pipe_ctx->stream_res.stream_enc,
+ pipe_ctx->stream_res.tg->inst,
+ stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE);
}
- if (pipe_ctx->stream->dpms_off)
- return;
+ if (dc_is_dp_signal(pipe_ctx->stream->signal))
+ pipe_ctx->stream_res.stream_enc->funcs->dp_set_stream_attribute(
+ pipe_ctx->stream_res.stream_enc,
+ &stream->timing,
+ stream->output_color_space);
+
+ if (dc_is_hdmi_signal(pipe_ctx->stream->signal))
+ pipe_ctx->stream_res.stream_enc->funcs->hdmi_set_stream_attribute(
+ pipe_ctx->stream_res.stream_enc,
+ &stream->timing,
+ stream->phy_pix_clk,
+ pipe_ctx->stream_res.audio != NULL);
+
+ if (dc_is_dvi_signal(pipe_ctx->stream->signal))
+ pipe_ctx->stream_res.stream_enc->funcs->dvi_set_stream_attribute(
+ pipe_ctx->stream_res.stream_enc,
+ &stream->timing,
+ (pipe_ctx->stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) ?
+ true : false);
+
+ if (dc_is_lvds_signal(pipe_ctx->stream->signal))
+ pipe_ctx->stream_res.stream_enc->funcs->lvds_set_stream_attribute(
+ pipe_ctx->stream_res.stream_enc,
+ &stream->timing);
+
+ if (!IS_FPGA_MAXIMUS_DC(core_dc->ctx->dce_environment)) {
+ resource_build_info_frame(pipe_ctx);
+ core_dc->hwss.update_info_frame(pipe_ctx);
+
+ /* eDP lit up by bios already, no need to enable again. */
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_EDP &&
+ pipe_ctx->stream->apply_edp_fast_boot_optimization) {
+ pipe_ctx->stream->apply_edp_fast_boot_optimization = false;
+ pipe_ctx->stream->dpms_off = false;
+ return;
+ }
- status = enable_link(state, pipe_ctx);
+ if (pipe_ctx->stream->dpms_off)
+ return;
- if (status != DC_OK) {
+ status = enable_link(state, pipe_ctx);
+
+ if (status != DC_OK) {
DC_LOG_WARNING("enabling link %u failed: %d\n",
pipe_ctx->stream->sink->link->link_index,
status);
@@ -2434,23 +2591,26 @@ void core_link_enable_stream(
BREAK_TO_DEBUGGER();
return;
}
- }
+ }
- core_dc->hwss.enable_audio_stream(pipe_ctx);
+ core_dc->hwss.enable_audio_stream(pipe_ctx);
- /* turn off otg test pattern if enable */
- if (pipe_ctx->stream_res.tg->funcs->set_test_pattern)
- pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg,
- CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
- COLOR_DEPTH_UNDEFINED);
+ /* turn off otg test pattern if enable */
+ if (pipe_ctx->stream_res.tg->funcs->set_test_pattern)
+ pipe_ctx->stream_res.tg->funcs->set_test_pattern(pipe_ctx->stream_res.tg,
+ CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
+ COLOR_DEPTH_UNDEFINED);
- core_dc->hwss.enable_stream(pipe_ctx);
+ core_dc->hwss.enable_stream(pipe_ctx);
- if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
- allocate_mst_payload(pipe_ctx);
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
+ allocate_mst_payload(pipe_ctx);
+
+ core_dc->hwss.unblank_stream(pipe_ctx,
+ &pipe_ctx->stream->sink->link->cur_link_settings);
+
+ }
- core_dc->hwss.unblank_stream(pipe_ctx,
- &pipe_ctx->stream->sink->link->cur_link_settings);
}
void core_link_disable_stream(struct pipe_ctx *pipe_ctx, int option)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-20 12:10:30 +0000