Move SMU irq handler register to sw_init as that's totally
software related. Otherwise, it will prevent SMU reset working.

Change-Id: Ibd3e48ae9a90ab57f42b3f2ddbb736deeebc8715
Signed-off-by: Evan Quan <[email protected]>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c 
b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 6935a00cd389..a5079b93caa3 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -741,6 +741,12 @@ static int smu_sw_init(void *handle)
                return ret;
        }
 
+       ret = smu_register_irq_handler(smu);
+       if (ret) {
+               pr_err("Failed to register smc irq handler!\n");
+               return ret;
+       }
+
        return 0;
 }
 
@@ -750,6 +756,9 @@ static int smu_sw_fini(void *handle)
        struct smu_context *smu = &adev->smu;
        int ret;
 
+       kfree(smu->irq_source);
+       smu->irq_source = NULL;
+
        ret = smu_smc_table_sw_fini(smu);
        if (ret) {
                pr_err("Failed to sw fini smc table!\n");
@@ -1061,10 +1070,6 @@ static int smu_hw_init(void *handle)
        if (ret)
                goto failed;
 
-       ret = smu_register_irq_handler(smu);
-       if (ret)
-               goto failed;
-
        if (!smu->pm_enabled)
                adev->pm.dpm_enabled = false;
        else
@@ -1094,9 +1099,6 @@ static int smu_hw_fini(void *handle)
        kfree(table_context->overdrive_table);
        table_context->overdrive_table = NULL;
 
-       kfree(smu->irq_source);
-       smu->irq_source = NULL;
-
        ret = smu_fini_fb_allocations(smu);
        if (ret)
                return ret;
-- 
2.22.0

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