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drm/amd/display: Add pwait status to DMCUB diagnostics

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[Why]
To know if the firmware is idle when logging.

[How]
Add the pwait status to the DMCUB diagnostics.

Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas
2025-05-14 16:28:06 -04:00
committed by Alex Deucher
parent 79db43611f
commit d1085d1305
4 changed files with 13 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+1
View File
@@ -356,6 +356,7 @@ struct dmub_diagnostic_data {
uint8_t is_traceport_en : 1;
uint8_t is_cw0_enabled : 1;
uint8_t is_cw6_enabled : 1;
uint8_t is_pwait : 1;
};
struct dmub_srv_inbox {
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
+4 -1
View File
@@ -416,7 +416,7 @@ uint32_t dmub_dcn31_get_current_time(struct dmub_srv *dmub)
void dmub_dcn31_get_diagnostic_data(struct dmub_srv *dmub)
{
uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset;
uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset, is_pwait;
uint32_t is_traceport_enabled, is_cw0_enabled, is_cw6_enabled;
struct dmub_timeout_info timeout = {0};
@@ -466,6 +466,9 @@ void dmub_dcn31_get_diagnostic_data(struct dmub_srv *dmub)
REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_dmub_enabled);
dmub->debug.is_dmcub_enabled = is_dmub_enabled;
REG_GET(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS, &is_pwait);
dmub->debug.is_pwait = is_pwait;
REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &is_soft_reset);
dmub->debug.is_dmcub_soft_reset = is_soft_reset;
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c
+4 -1
View File
@@ -454,7 +454,7 @@ uint32_t dmub_dcn35_get_current_time(struct dmub_srv *dmub)
void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub)
{
uint32_t is_dmub_enabled, is_soft_reset;
uint32_t is_dmub_enabled, is_soft_reset, is_pwait;
uint32_t is_traceport_enabled, is_cw6_enabled;
struct dmub_timeout_info timeout = {0};
@@ -505,6 +505,9 @@ void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub)
REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_dmub_enabled);
dmub->debug.is_dmcub_enabled = is_dmub_enabled;
REG_GET(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS, &is_pwait);
dmub->debug.is_pwait = is_pwait;
REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &is_soft_reset);
dmub->debug.is_dmcub_soft_reset = is_soft_reset;
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn401.c
+4 -1
View File
@@ -413,7 +413,7 @@ uint32_t dmub_dcn401_get_current_time(struct dmub_srv *dmub)
void dmub_dcn401_get_diagnostic_data(struct dmub_srv *dmub)
{
uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset;
uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset, is_pwait;
uint32_t is_traceport_enabled, is_cw0_enabled, is_cw6_enabled;
struct dmub_timeout_info timeout = {0};
@@ -464,6 +464,9 @@ void dmub_dcn401_get_diagnostic_data(struct dmub_srv *dmub)
REG_GET(DMCUB_CNTL, DMCUB_ENABLE, &is_dmub_enabled);
dmub->debug.is_dmcub_enabled = is_dmub_enabled;
REG_GET(DMCUB_CNTL, DMCUB_PWAIT_MODE_STATUS, &is_pwait);
dmub->debug.is_pwait = is_pwait;
REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &is_soft_reset);
dmub->debug.is_dmcub_soft_reset = is_soft_reset;