Fix the flows for S0ix.  There is no need to stop
rlc or reintialize PMFW in S0ix.

Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4659
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c        | 6 ++++++
 drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c 
b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 10d42267085b0..5bee02f0ba867 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -2054,6 +2054,12 @@ static int smu_disable_dpms(struct smu_context *smu)
            smu->is_apu && (amdgpu_in_reset(adev) || adev->in_s0ix))
                return 0;
 
+       /* vangogh s0ix */
+       if ((amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(11, 5, 0) ||
+            amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(11, 5, 2)) &&
+           adev->in_s0ix)
+               return 0;
+
        /*
         * For gpu reset, runpm and hibernation through BACO,
         * BACO feature has to be kept enabled.
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 53579208cffb4..9626da2dba584 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -2219,6 +2219,9 @@ static int vangogh_post_smu_init(struct smu_context *smu)
        uint32_t total_cu = adev->gfx.config.max_cu_per_sh *
                adev->gfx.config.max_sh_per_se * 
adev->gfx.config.max_shader_engines;
 
+       if (adev->in_s0ix)
+               return 0;
+
        /* allow message will be sent after enable message on Vangogh*/
        if (smu_cmn_feature_is_enabled(smu, SMU_FEATURE_DPM_GFXCLK_BIT) &&
                        (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG)) {
-- 
2.51.0

Reply via email to