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authorCharlene Liu <Charlene.Liu@amd.com>2022-09-13 20:03:46 -0400
committerAlex Deucher <alexander.deucher@amd.com>2022-09-29 09:41:45 -0400
commit3267b7c05bb76f8eb6da90ae0f5b0d523b9f611e (patch)
tree5fc1fad7d6be9f7cbd6d6d0add09f84d8338b33a /drivers/gpu/drm/amd/display/dc/bios
parent1f21390ec6026da538a71ac254295461be7ee0c4 (diff)
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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>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios')
-rw-r--r--drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c21
1 files changed, 18 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) {