diff options
| author | Charlene Liu <Charlene.Liu@amd.com> | 2022-09-14 03:03:46 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-29 16:41:45 +0300 |
| commit | 3267b7c05bb76f8eb6da90ae0f5b0d523b9f611e (patch) | |
| tree | 5fc1fad7d6be9f7cbd6d6d0add09f84d8338b33a | |
| parent | 1f21390ec6026da538a71ac254295461be7ee0c4 (diff) | |
| download | linux-3267b7c05bb76f8eb6da90ae0f5b0d523b9f611e.tar.xz | |
drm/amd/display: add debug keys for override bios settings.
[why]
adding debug keys used for compliance test.
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 3 |
2 files changed, 21 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index 5d70f9901d13..53b077b40d72 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -24,6 +24,7 @@ */ #include "dm_services.h" +#include "core_types.h" #include "ObjectID.h" #include "atomfirmware.h" @@ -1374,7 +1375,7 @@ static enum bp_result bios_parser_get_lttpr_interop( default: break; } - + DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: %d tbl_revision.major = %d tbl_revision.minor = %d\n", *dce_caps, tbl_revision.major, tbl_revision.minor); return result; } @@ -1390,6 +1391,7 @@ static enum bp_result bios_parser_get_lttpr_caps( if (!DATA_TABLES(dce_info)) return BP_RESULT_UNSUPPORTED; + *dce_caps = 0; header = GET_IMAGE(struct atom_common_table_header, DATA_TABLES(dce_info)); get_atom_data_table_revision(header, &tbl_revision); @@ -1423,7 +1425,11 @@ static enum bp_result bios_parser_get_lttpr_caps( default: break; } - + DC_LOG_BIOS("DCE_INFO_CAPS_LTTPR_SUPPORT_ENABLE: %d tbl_revision.major = %d tbl_revision.minor = %d\n", *dce_caps, tbl_revision.major, tbl_revision.minor); + if (dcb->ctx->dc->config.force_bios_enable_lttpr && *dce_caps == 0) { + *dce_caps = 1; + DC_LOG_BIOS("DCE_INFO_CAPS_VBIOS_LTTPR_TRANSPARENT_ENABLE: forced enabled"); + } return result; } @@ -2994,13 +3000,22 @@ static enum bp_result construct_integrated_info( info->ext_disp_conn_info.path[i].ext_encoder_obj_id.id, info->ext_disp_conn_info.path[i].caps ); + if (info->ext_disp_conn_info.path[i].caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN) + DC_LOG_BIOS("BIOS EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i); + else if (bp->base.ctx->dc->config.force_bios_fixed_vs) { + info->ext_disp_conn_info.path[i].caps |= EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN; + DC_LOG_BIOS("driver forced EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN on path %d\n", i); + } } - // Log the Checksum and Voltage Swing DC_LOG_BIOS("Integrated info table CHECKSUM: %d\n" "Integrated info table FIX_DP_VOLTAGE_SWING: %d\n", info->ext_disp_conn_info.checksum, info->ext_disp_conn_info.fixdpvoltageswing); + if (bp->base.ctx->dc->config.force_bios_fixed_vs && info->ext_disp_conn_info.fixdpvoltageswing == 0) { + info->ext_disp_conn_info.fixdpvoltageswing = bp->base.ctx->dc->config.force_bios_fixed_vs & 0xF; + DC_LOG_BIOS("driver forced fixdpvoltageswing = %d\n", info->ext_disp_conn_info.fixdpvoltageswing); + } } /* Sort voltage table from low to high*/ for (i = 1; i < NUMBER_OF_DISP_CLK_VOLTAGE; ++i) { diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 659c71778a64..8e392eb10256 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -406,6 +406,9 @@ struct dc_config { bool ignore_dpref_ss; bool enable_mipi_converter_optimization; bool use_default_clock_table; + bool force_bios_enable_lttpr; + uint8_t force_bios_fixed_vs; + }; enum visual_confirm { |