drm/amd/powerplay: add SMU mode1 reset

From PM FW 58.26.0 for sienna cichlid, SMU mode1 reset
is support, driver sends PPSMC_MSG_Mode1Reset message
to PM FW could trigger this reset.

v2: add mode1 reset dpm interface
v3: change maro name

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Wenhui Sheng <Wenhui.Sheng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 6839faaab611..39126e245d1e 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -2616,6 +2616,40 @@ int smu_baco_exit(struct smu_context *smu)
 	return ret;
 }
 
+bool smu_mode1_reset_is_support(struct smu_context *smu)
+{
+	bool ret = false;
+
+	if (!smu->pm_enabled)
+		return false;
+
+	mutex_lock(&smu->mutex);
+
+	if (smu->ppt_funcs && smu->ppt_funcs->mode1_reset_is_support)
+		ret = smu->ppt_funcs->mode1_reset_is_support(smu);
+
+	mutex_unlock(&smu->mutex);
+
+	return ret;
+}
+
+int smu_mode1_reset(struct smu_context *smu)
+{
+	int ret = 0;
+
+	if (!smu->pm_enabled)
+		return -EOPNOTSUPP;
+
+	mutex_lock(&smu->mutex);
+
+	if (smu->ppt_funcs->mode1_reset)
+		ret = smu->ppt_funcs->mode1_reset(smu);
+
+	mutex_unlock(&smu->mutex);
+
+	return ret;
+}
+
 int smu_mode2_reset(struct smu_context *smu)
 {
 	int ret = 0;