From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
[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@xxxxxxx>
Reviewed-by: Charlene Liu <charlene.liu@xxxxxxx>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Signed-off-by: Zaeem Mohamed <zaeem.mohamed@xxxxxxx>
---
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn35.c | 5 +----
1 file changed, 1 insertion(+), 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;
--
2.34.1
