diff options
author | George Shen <george.shen@amd.com> | 2020-12-15 19:21:05 -0500 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-01-20 16:38:21 -0500 |
commit | 64ff0882426e563ff19d6068cb674594c95b6aa8 (patch) | |
tree | 61d72d16dc1fef432b87d54b5dfe076fc45414d8 /drivers/gpu/drm/amd/display | |
parent | 16ca2d465d0fd327a71d6fac9605c154ee9d8620 (diff) | |
download | linux-stable-64ff0882426e563ff19d6068cb674594c95b6aa8.tar.gz linux-stable-64ff0882426e563ff19d6068cb674594c95b6aa8.tar.bz2 linux-stable-64ff0882426e563ff19d6068cb674594c95b6aa8.zip |
drm/amd/display: Log link/connector info provided in BIOS object table
[Why/How]
Add logging statements to assist in debugging
errors in the BIOS object table.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Anson Jacob <anson.jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 18 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c | 6 |
3 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index a667480cc3a3..89e8e3e11862 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -175,6 +175,8 @@ static bool create_links( connectors_num = bios->funcs->get_connectors_number(bios); + DC_LOG_DC("BIOS object table - number of connectors: %d", connectors_num); + if (connectors_num > ENUM_ID_COUNT) { dm_error( "DC: Number of connectors %d exceeds maximum of %d!\n", @@ -193,6 +195,8 @@ static bool create_links( struct link_init_data link_init_params = {0}; struct dc_link *link; + DC_LOG_DC("BIOS object table - printing link object info for connector number: %d, link_index: %d", i, dc->link_count); + link_init_params.ctx = dc->ctx; /* next BIOS object table connector */ link_init_params.connector_index = i; @@ -225,6 +229,8 @@ static bool create_links( } } + DC_LOG_DC("BIOS object table - end"); + for (i = 0; i < num_virtual_links; i++) { struct dc_link *link = kzalloc(sizeof(*link), GFP_KERNEL); struct encoder_init_data enc_init = {0}; 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 30edbf19e9a1..c16af3983fdb 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1401,10 +1401,12 @@ static bool dc_link_construct(struct dc_link *link, link->link_id = bios->funcs->get_connector_id(bios, init_params->connector_index); + DC_LOG_DC("BIOS object table - link_id: %d", link->link_id.id); if (bios->funcs->get_disp_connector_caps_info) { bios->funcs->get_disp_connector_caps_info(bios, link->link_id, &disp_connect_caps_info); link->is_internal_display = disp_connect_caps_info.INTERNAL_DISPLAY; + DC_LOG_DC("BIOS object table - is_internal_display: %d", link->is_internal_display); } if (link->link_id.type != OBJECT_TYPE_CONNECTOR) { @@ -1419,10 +1421,14 @@ static bool dc_link_construct(struct dc_link *link, link->hpd_gpio = get_hpd_gpio(link->ctx->dc_bios, link->link_id, link->ctx->gpio_service); + if (link->hpd_gpio) { dal_gpio_open(link->hpd_gpio, GPIO_MODE_INTERRUPT); dal_gpio_unlock_pin(link->hpd_gpio); link->irq_source_hpd = dal_irq_get_source(link->hpd_gpio); + + DC_LOG_DC("BIOS object table - hpd_gpio id: %d", link->hpd_gpio->id); + DC_LOG_DC("BIOS object table - hpd_gpio en: %d", link->hpd_gpio->en); } switch (link->link_id.id) { @@ -1519,6 +1525,8 @@ static bool dc_link_construct(struct dc_link *link, link->link_enc = link->dc->res_pool->funcs->link_enc_create(&enc_init_data); + DC_LOG_DC("BIOS object table - DP_IS_USB_C: %d", link->link_enc->features.flags.bits.DP_IS_USB_C); + if (!link->link_enc) { DC_ERROR("Failed to create link encoder!\n"); goto link_enc_create_fail; @@ -1546,6 +1554,10 @@ static bool dc_link_construct(struct dc_link *link, if (link->device_tag.dev_id.device_type == DEVICE_TYPE_LCD && link->connector_signal == SIGNAL_TYPE_RGB) continue; + + DC_LOG_DC("BIOS object table - device_tag.acpi_device: %d", link->device_tag.acpi_device); + DC_LOG_DC("BIOS object table - device_tag.dev_id.device_type: %d", link->device_tag.dev_id.device_type); + DC_LOG_DC("BIOS object table - device_tag.dev_id.enum_id: %d", link->device_tag.dev_id.enum_id); break; } @@ -1564,10 +1576,14 @@ static bool dc_link_construct(struct dc_link *link, path->device_acpi_enum == link->device_tag.acpi_device) { link->ddi_channel_mapping = path->channel_mapping; link->chip_caps = path->caps; + DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw); + DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps); } else if (path->device_tag == link->device_tag.dev_id.raw_device_tag) { link->ddi_channel_mapping = path->channel_mapping; link->chip_caps = path->caps; + DC_LOG_DC("BIOS object table - ddi_channel_mapping: 0x%04X", link->ddi_channel_mapping.raw); + DC_LOG_DC("BIOS object table - chip_caps: %d", link->chip_caps); } break; } @@ -1586,6 +1602,7 @@ static bool dc_link_construct(struct dc_link *link, link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED; + DC_LOG_DC("BIOS object table - dc_link_contruct finished successfully.\n"); return true; device_tag_fail: link->link_enc->funcs->destroy(&link->link_enc); @@ -1602,6 +1619,7 @@ create_fail: link->hpd_gpio = NULL; } + DC_LOG_DC("BIOS object table - dc_link_contruct failed.\n"); kfree(info); return false; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c index c5936e064360..26f3d5dd0453 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c @@ -37,6 +37,8 @@ #include "dc_link_ddc.h" #include "dce/dce_aux.h" +#define DC_LOGGER_INIT(logger) + /*DP to Dual link DVI converter*/ static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa"; static const uint8_t DP_DVI_CONVERTER_ID_5[] = "3393N2"; @@ -194,6 +196,10 @@ static void ddc_service_construct( if (BP_RESULT_OK != dcb->funcs->get_i2c_info(dcb, init_data->id, &i2c_info)) { ddc_service->ddc_pin = NULL; } else { + DC_LOGGER_INIT(ddc_service->ctx->logger); + DC_LOG_DC("BIOS object table - i2c_line: %d", i2c_info.i2c_line); + DC_LOG_DC("BIOS object table - i2c_engine_id: %d", i2c_info.i2c_engine_id); + hw_info.ddc_channel = i2c_info.i2c_line; if (ddc_service->link != NULL) hw_info.hw_supported = i2c_info.i2c_hw_assist; |