Before making a function call to resume, validate
the function pointer like we do in sw_init.

Signed-off-by: Sunil Khatri <sunil.kha...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/aldebaran.c      | 11 ++++------
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c  | 24 +++++++--------------
 drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c | 16 ++++----------
 drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c   |  8 ++-----
 4 files changed, 18 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/aldebaran.c 
b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
index f0a7bb4eaf31..2d0f07dc8b2a 100644
--- a/drivers/gpu/drm/amd/amdgpu/aldebaran.c
+++ b/drivers/gpu/drm/amd/amdgpu/aldebaran.c
@@ -241,7 +241,7 @@ static int aldebaran_mode2_restore_ip(struct amdgpu_device 
*adev)
                dev_err(adev->dev, "Failed to get BIF handle\n");
                return -EINVAL;
        }
-       r = cmn_block->version->funcs->resume(cmn_block);
+       r = amdgpu_ip_block_resume(cmn_block);
        if (r)
                return r;
 
@@ -277,13 +277,10 @@ static int aldebaran_mode2_restore_ip(struct 
amdgpu_device *adev)
                      adev->ip_blocks[i].version->type ==
                              AMD_IP_BLOCK_TYPE_SDMA))
                        continue;
-               r = 
adev->ip_blocks[i].version->funcs->resume(&adev->ip_blocks[i]);
-               if (r) {
-                       dev_err(adev->dev,
-                               "resume of IP block <%s> failed %d\n",
-                               adev->ip_blocks[i].version->funcs->name, r);
+
+               r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
+               if (r)
                        return r;
-               }
 
                adev->ip_blocks[i].status.hw = true;
        }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 77669eab3511..3dd9354c4f8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2778,12 +2778,9 @@ static int amdgpu_device_fw_loading(struct amdgpu_device 
*adev)
                                break;
 
                        if (amdgpu_in_reset(adev) || adev->in_suspend) {
-                               r = 
adev->ip_blocks[i].version->funcs->resume(&adev->ip_blocks[i]);
-                               if (r) {
-                                       DRM_ERROR("resume of IP block <%s> 
failed %d\n",
-                                                         
adev->ip_blocks[i].version->funcs->name, r);
+                               r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
+                               if (r)
                                        return r;
-                               }
                        } else {
                                r = 
adev->ip_blocks[i].version->funcs->hw_init(&adev->ip_blocks[i]);
                                if (r) {
@@ -3700,7 +3697,7 @@ static int amdgpu_device_ip_reinit_late_sriov(struct 
amdgpu_device *adev)
                                continue;
 
                        if (block->version->type == AMD_IP_BLOCK_TYPE_SMC)
-                               r = 
block->version->funcs->resume(&adev->ip_blocks[i]);
+                               r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
                        else
                                r = 
block->version->funcs->hw_init(&adev->ip_blocks[i]);
 
@@ -3738,12 +3735,9 @@ static int amdgpu_device_ip_resume_phase1(struct 
amdgpu_device *adev)
                    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ||
                    (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP 
&& amdgpu_sriov_vf(adev))) {
 
-                       r = 
adev->ip_blocks[i].version->funcs->resume(&adev->ip_blocks[i]);
-                       if (r) {
-                               DRM_ERROR("resume of IP block <%s> failed %d\n",
-                                         
adev->ip_blocks[i].version->funcs->name, r);
+                       r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
+                       if (r)
                                return r;
-                       }
                        adev->ip_blocks[i].status.hw = true;
                }
        }
@@ -3776,12 +3770,10 @@ static int amdgpu_device_ip_resume_phase2(struct 
amdgpu_device *adev)
                    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH ||
                    adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)
                        continue;
-               r = 
adev->ip_blocks[i].version->funcs->resume(&adev->ip_blocks[i]);
-               if (r) {
-                       DRM_ERROR("resume of IP block <%s> failed %d\n",
-                                 adev->ip_blocks[i].version->funcs->name, r);
+               r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
+               if (r)
                        return r;
-               }
+
                adev->ip_blocks[i].status.hw = true;
        }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c 
b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c
index 5327d8c5c245..798653247800 100644
--- a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c
+++ b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c
@@ -171,13 +171,9 @@ static int sienna_cichlid_mode2_restore_ip(struct 
amdgpu_device *adev)
 
        for (i = 0; i < adev->num_ip_blocks; i++) {
                if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) {
-                       r = 
adev->ip_blocks[i].version->funcs->resume(&adev->ip_blocks[i]);
-                       if (r) {
-                               dev_err(adev->dev,
-                                       "resume of IP block <%s> failed %d\n",
-                                       
adev->ip_blocks[i].version->funcs->name, r);
+                       r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
+                       if (r)
                                return r;
-                       }
 
                        adev->ip_blocks[i].status.hw = true;
                }
@@ -189,13 +185,9 @@ static int sienna_cichlid_mode2_restore_ip(struct 
amdgpu_device *adev)
                      adev->ip_blocks[i].version->type ==
                              AMD_IP_BLOCK_TYPE_SDMA))
                        continue;
-               r = 
adev->ip_blocks[i].version->funcs->resume(&adev->ip_blocks[i]);
-               if (r) {
-                       dev_err(adev->dev,
-                               "resume of IP block <%s> failed %d\n",
-                               adev->ip_blocks[i].version->funcs->name, r);
+               r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
+               if (r)
                        return r;
-               }
 
                adev->ip_blocks[i].status.hw = true;
        }
diff --git a/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c 
b/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c
index d4c4d811e547..c38045a58458 100644
--- a/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c
+++ b/drivers/gpu/drm/amd/amdgpu/smu_v13_0_10.c
@@ -182,13 +182,9 @@ static int smu_v13_0_10_mode2_restore_ip(struct 
amdgpu_device *adev)
                      adev->ip_blocks[i].version->type ==
                              AMD_IP_BLOCK_TYPE_SDMA))
                        continue;
-               r = 
adev->ip_blocks[i].version->funcs->resume(&adev->ip_blocks[i]);
-               if (r) {
-                       dev_err(adev->dev,
-                               "resume of IP block <%s> failed %d\n",
-                               adev->ip_blocks[i].version->funcs->name, r);
+               r = amdgpu_ip_block_resume(&adev->ip_blocks[i]);
+               if (r)
                        return r;
-               }
 
                adev->ip_blocks[i].status.hw = true;
        }
-- 
2.34.1

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