summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
diff options
context:
space:
mode:
authorEvan Quan <evan.quan@amd.com>2021-03-17 12:10:15 +0800
committerAlex Deucher <alexander.deucher@amd.com>2021-04-09 16:37:53 -0400
commit1689fca0d62aa7a685363999f9fc380c0666d955 (patch)
treecb9601ff0840e97aa558e80eb06ef399ed324dc6 /drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
parent50ca25228e8a0cc4eca531cdac4c9ece1e7bed68 (diff)
drm/amd/pm: fix Navi1x runtime resume failure V2
The RLC was put into a wrong state on runtime suspend. Thus the RLC autoload will fail on the succeeding runtime resume. By adding an intermediate PPSMC_MSG_PrepareMp1ForUnload(some GC hard reset involved, designed for PnP), we can bring RLC back into the desired state. V2: integrate INTERRUPTS_ENABLED flag clearing into current mp1 state set routines Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Lijo Lazar <lijo.lazar@amd.com> Reviewed-by: Guchun Chen <guchun.chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c')
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 3621884c3293..722fe067ac2c 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -3110,6 +3110,19 @@ static int sienna_cichlid_system_features_control(struct smu_context *smu,
return smu_v11_0_system_features_control(smu, en);
}
+static int sienna_cichlid_set_mp1_state(struct smu_context *smu,
+ enum pp_mp1_state mp1_state)
+{
+ switch (mp1_state) {
+ case PP_MP1_STATE_UNLOAD:
+ return smu_cmn_set_mp1_state(smu, mp1_state);
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
.get_allowed_feature_mask = sienna_cichlid_get_allowed_feature_mask,
.set_default_dpm_table = sienna_cichlid_set_default_dpm_table,
@@ -3195,6 +3208,7 @@ static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
.get_fan_parameters = sienna_cichlid_get_fan_parameters,
.interrupt_work = smu_v11_0_interrupt_work,
.gpo_control = sienna_cichlid_gpo_control,
+ .set_mp1_state = sienna_cichlid_set_mp1_state,
};
void sienna_cichlid_set_ppt_funcs(struct smu_context *smu)