diff options
| author | Sung Lee <sunglee@amd.com> | 2023-04-10 14:15:14 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-04-24 18:36:46 -0400 |
| commit | 9c25ab167df412a5474dedfd0e7743e76bc89cbe (patch) | |
| tree | 98aa15511c94f5134f402b4bfb7c1220743b1249 /drivers/gpu/drm/amd/display/dmub/src | |
| parent | 469a62938a45ef382c9cb7b9fec6c6c1fcd781c0 (diff) | |
| download | linux-9c25ab167df412a5474dedfd0e7743e76bc89cbe.tar.gz linux-9c25ab167df412a5474dedfd0e7743e76bc89cbe.tar.bz2 linux-9c25ab167df412a5474dedfd0e7743e76bc89cbe.zip | |
drm/amd/display: Add p-state debugging
[WHY]
P-State related issues are fairly common but currently
there is no way to debug these issues after the fact.
[HOW]
Add helpful registers to HW state queries
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Sung Lee <sunglee@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c index 21dd6cbdb106..bf5994e292d9 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.c @@ -439,6 +439,7 @@ void dmub_dcn32_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti diag_data->scratch[13] = REG_READ(DMCUB_SCRATCH13); diag_data->scratch[14] = REG_READ(DMCUB_SCRATCH14); diag_data->scratch[15] = REG_READ(DMCUB_SCRATCH15); + diag_data->scratch[16] = REG_READ(DMCUB_SCRATCH16); diag_data->undefined_address_fault_addr = REG_READ(DMCUB_UNDEFINED_ADDRESS_FAULT_ADDR); diag_data->inst_fetch_fault_addr = REG_READ(DMCUB_INST_FETCH_FAULT_ADDR); @@ -469,6 +470,8 @@ void dmub_dcn32_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti REG_GET(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE, &is_cw6_enabled); diag_data->is_cw6_enabled = is_cw6_enabled; + + diag_data->gpint_datain0 = REG_READ(DMCUB_GPINT_DATAIN0); } void dmub_dcn32_configure_dmub_in_system_memory(struct dmub_srv *dmub) { diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h index f15336b6e22b..d58a1e4b9f1c 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn32.h @@ -107,6 +107,7 @@ struct dmub_srv; DMUB_SR(DMCUB_SCRATCH15) \ DMUB_SR(DMCUB_SCRATCH16) \ DMUB_SR(DMCUB_SCRATCH17) \ + DMUB_SR(DMCUB_GPINT_DATAIN0) \ DMUB_SR(DMCUB_GPINT_DATAIN1) \ DMUB_SR(DMCUB_GPINT_DATAOUT) \ DMUB_SR(CC_DC_PIPE_DIS) \ |