diff options
| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-10-23 12:53:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-11-04 11:35:22 -0500 |
| commit | 69603bfcffc887fdfb5f8e877849e400958fb72d (patch) | |
| tree | 666f0fea3b34c8ab3bdbed31694079459c3dc8be | |
| parent | 215b6dd7e026fdc32290c61e6f4298587f807e2c (diff) | |
drm/amd/display: Remove inaccessible registers from DMU diagnostics
[Why]
SEC_CNTL isn't readable by x86 and can block Z8 entry if read.
[How]
Remove the read.
Reviewed-by: Ovidiu Bunea <ovidiu.bunea@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -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 3be315f1a443..e5e77bd3c31e 100644 --- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c +++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c @@ -464,7 +464,7 @@ 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_dmub_enabled, is_soft_reset; uint32_t is_traceport_enabled, is_cw6_enabled; if (!dmub || !diag_data) @@ -514,9 +514,6 @@ void dmub_dcn35_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti REG_GET(DMCUB_CNTL2, DMCUB_SOFT_RESET, &is_soft_reset); diag_data->is_dmcub_soft_reset = is_soft_reset; - REG_GET(DMCUB_SEC_CNTL, DMCUB_SEC_RESET_STATUS, &is_sec_reset); - diag_data->is_dmcub_secure_reset = is_sec_reset; - REG_GET(DMCUB_CNTL, DMCUB_TRACEPORT_EN, &is_traceport_enabled); diag_data->is_traceport_en = is_traceport_enabled; |