[PATCH] drm/amd/powerplay: skip i2c eeprom init/fini under sriov mode

[Hua Zhang]

i2c eeprom init/fini is only needed under bare mental mode.

Signed-off-by: Hua Zhang <hua.zh...@amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 24 +++++++++++++---------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c 
b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 8017386d3c33..a78a1f542ea9 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1363,9 +1363,11 @@ static int smu_hw_init(void *handle)
        if (ret)
                goto failed;
 
-       ret = smu_i2c_eeprom_init(smu, &adev->pm.smu_i2c);
-       if (ret)
-               goto failed;
+       if (!amdgpu_sriov_vf(adev)) {
+               ret = smu_i2c_eeprom_init(smu, &adev->pm.smu_i2c);
+               if (ret)
+                       goto failed;
+       }
 
        adev->pm.dpm_enabled = true;
 
@@ -1406,9 +1408,9 @@ static int smu_hw_fini(void *handle)
 
        adev->pm.dpm_enabled = false;
 
-       smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
-
        if (!amdgpu_sriov_vf(adev)){
+               smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
+
                ret = smu_stop_thermal_control(smu);
                if (ret) {
                        pr_warn("Fail to stop thermal control!\n");
@@ -1549,9 +1551,9 @@ static int smu_suspend(void *handle)
 
        adev->pm.dpm_enabled = false;
 
-       smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
+       if (!amdgpu_sriov_vf(adev)) {
+               smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
 
-       if(!amdgpu_sriov_vf(adev)) {
                ret = smu_disable_dpm(smu);
                if (ret)
                        return ret;
@@ -1596,9 +1598,11 @@ static int smu_resume(void *handle)
        if (ret)
                goto failed;
 
-       ret = smu_i2c_eeprom_init(smu, &adev->pm.smu_i2c);
-       if (ret)
-               goto failed;
+       if (!amdgpu_sriov_vf(adev)) {
+               ret = smu_i2c_eeprom_init(smu, &adev->pm.smu_i2c);
+               if (ret)
+                       goto failed;
+       }
 
        if (smu->is_apu)
                smu_set_gfx_cgpg(&adev->smu, true);
-- 
2.25.1

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx