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drm/amd/display: add debug keys for override bios settings.

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[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>
This commit is contained in:
Charlene Liu
2022-09-13 20:03:46 -04:00
committed by Alex Deucher
parent 1f21390ec6
commit 3267b7c05b
2 changed files with 21 additions and 3 deletions
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21
drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
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@@ -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) {