diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-05-28 15:25:30 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-14 16:17:16 -0400 |
| commit | 466423c6dd8af23ebb3a69d43434d01aed0db356 (patch) | |
| tree | 9fc24bab24d0abf549bcf5d469b41a6f5922de07 /drivers/gpu/drm/amd/display/dmub/src | |
| parent | 38e0c3df6dbd36e69d38f67853cdd1bb6110d05f (diff) | |
drm/amd/display: Remove register from DCN35 DMCUB diagnostic collection
[Why]
These registers should not be read from driver and triggering the
security violation when DMCUB work times out and diagnostics are
collected blocks Z8 entry.
[How]
Remove the register read from DCN35.
Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@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/dmub/src')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c index 7f53074f4e48..80da117356c0 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c @@ -462,7 +462,7 @@ uint32_t dmub_dcn35_get_current_time(struct dmub_srv *dmub) void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnostic_data *diag_data) { uint32_t is_dmub_enabled, is_soft_reset, is_sec_reset; - uint32_t is_traceport_enabled, is_cw0_enabled, is_cw6_enabled; + uint32_t is_traceport_enabled, is_cw6_enabled; if (!dmub || !diag_data) return; @@ -513,9 +513,6 @@ void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti REG_GET(DMCUB_CNTL, DMCUB_TRACEPORT_EN, &is_traceport_enabled); diag_data->is_traceport_en = is_traceport_enabled; - REG_GET(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_ENABLE, &is_cw0_enabled); - diag_data->is_cw0_enabled = is_cw0_enabled; - REG_GET(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE, &is_cw6_enabled); diag_data->is_cw6_enabled = is_cw6_enabled; |