Merge tag 'drm-fixes-for-v4.9-rc2' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Just had a couple of amdgpu fixes and one core fix I wanted to get out
  early to fix some regressions.

  I'm sure I'll have more stuff this week for -rc2"

* tag 'drm-fixes-for-v4.9-rc2' of git://people.freedesktop.org/~airlied/linux: (22 commits)
  drm: Print device information again in debugfs
  drm/amd/powerplay: fix bug stop dpm can't work on Vi.
  drm/amd/powerplay: notify smu no display by default.
  drm/amdgpu/dpm: implement thermal sensor for CZ/ST
  drm/amdgpu/powerplay: implement thermal sensor for CZ/ST
  drm/amdgpu: disable smu hw first on tear down
  drm/amdgpu: fix amdgpu_need_full_reset (v2)
  drm/amdgpu/si_dpm: Limit clocks on HD86xx part
  drm/amd/powerplay: fix static checker warnings in smu7_hwmgr.c
  drm/amdgpu: potential NULL dereference in debugfs code
  drm/amd/powerplay: fix static checker warnings in smu7_hwmgr.c
  drm/amd/powerplay: fix static checker warnings in iceland_smc.c
  drm/radeon: change vblank_time's calculation method to reduce computational error.
  drm/amdgpu: change vblank_time's calculation method to reduce computational error.
  drm/amdgpu: clarify UVD/VCE special handling for CG
  drm/amd/amdgpu: enable clockgating only after late init
  drm/radeon: allow TA_CS_BC_BASE_ADDR on SI
  drm/amdgpu: initialize the context reset_counter in amdgpu_ctx_init
  drm/amdgpu/gfx8: fix CGCG_CGLS handling
  drm/radeon: fix modeset tear down code
  ...

diff --combined drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 7dbe85d67d2682854e8158e35f9ee8f8e0e65d94,c5e6fc5806628120a0076fd022a300e61301a54a..b4f4a9239069d1a3f073cd89f1355b2e0dd7e985
--- 1/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
--- 2/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@@ -1408,16 -1408,6 +1408,6 @@@ static int amdgpu_late_init(struct amdg
        for (i = 0; i < adev->num_ip_blocks; i++) {
                if (!adev->ip_block_status[i].valid)
                        continue;
-               if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_UVD ||
-                       adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_VCE)
-                       continue;
-               /* enable clockgating to save power */
-               r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
-                                                                   AMD_CG_STATE_GATE);
-               if (r) {
-                       DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n", adev->ip_blocks[i].funcs->name, r);
-                       return r;
-               }
                if (adev->ip_blocks[i].funcs->late_init) {
                        r = adev->ip_blocks[i].funcs->late_init((void *)adev);
                        if (r) {
@@@ -1426,6 -1416,18 +1416,18 @@@
                        }
                        adev->ip_block_status[i].late_initialized = true;
                }
+               /* skip CG for VCE/UVD, it's handled specially */
+               if (adev->ip_blocks[i].type != AMD_IP_BLOCK_TYPE_UVD &&
+                   adev->ip_blocks[i].type != AMD_IP_BLOCK_TYPE_VCE) {
+                       /* enable clockgating to save power */
+                       r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
+                                                                           AMD_CG_STATE_GATE);
+                       if (r) {
+                               DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n",
+                                         adev->ip_blocks[i].funcs->name, r);
+                               return r;
+                       }
+               }
        }
  
        return 0;
@@@ -1435,6 -1437,30 +1437,30 @@@ static int amdgpu_fini(struct amdgpu_de
  {
        int i, r;
  
+       /* need to disable SMC first */
+       for (i = 0; i < adev->num_ip_blocks; i++) {
+               if (!adev->ip_block_status[i].hw)
+                       continue;
+               if (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_SMC) {
+                       /* ungate blocks before hw fini so that we can shutdown the blocks safely */
+                       r = adev->ip_blocks[i].funcs->set_clockgating_state((void *)adev,
+                                                                           AMD_CG_STATE_UNGATE);
+                       if (r) {
+                               DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
+                                         adev->ip_blocks[i].funcs->name, r);
+                               return r;
+                       }
+                       r = adev->ip_blocks[i].funcs->hw_fini((void *)adev);
+                       /* XXX handle errors */
+                       if (r) {
+                               DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
+                                         adev->ip_blocks[i].funcs->name, r);
+                       }
+                       adev->ip_block_status[i].hw = false;
+                       break;
+               }
+       }
+ 
        for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
                if (!adev->ip_block_status[i].hw)
                        continue;
@@@ -1826,11 -1852,11 +1852,11 @@@ void amdgpu_device_fini(struct amdgpu_d
  
        DRM_INFO("amdgpu: finishing device.\n");
        adev->shutdown = true;
 +      drm_crtc_force_disable_all(adev->ddev);
        /* evict vram memory */
        amdgpu_bo_evict_vram(adev);
        amdgpu_ib_pool_fini(adev);
        amdgpu_fence_driver_fini(adev);
 -      drm_crtc_force_disable_all(adev->ddev);
        amdgpu_fbdev_fini(adev);
        r = amdgpu_fini(adev);
        kfree(adev->ip_block_status);
@@@ -2073,7 -2099,8 +2099,8 @@@ static bool amdgpu_check_soft_reset(str
                if (!adev->ip_block_status[i].valid)
                        continue;
                if (adev->ip_blocks[i].funcs->check_soft_reset)
-                       adev->ip_blocks[i].funcs->check_soft_reset(adev);
+                       adev->ip_block_status[i].hang =
+                               adev->ip_blocks[i].funcs->check_soft_reset(adev);
                if (adev->ip_block_status[i].hang) {
                        DRM_INFO("IP block:%d is hang!\n", i);
                        asic_hang = true;
@@@ -2102,12 -2129,20 +2129,20 @@@ static int amdgpu_pre_soft_reset(struc
  
  static bool amdgpu_need_full_reset(struct amdgpu_device *adev)
  {
-       if (adev->ip_block_status[AMD_IP_BLOCK_TYPE_GMC].hang ||
-           adev->ip_block_status[AMD_IP_BLOCK_TYPE_SMC].hang ||
-           adev->ip_block_status[AMD_IP_BLOCK_TYPE_ACP].hang ||
-           adev->ip_block_status[AMD_IP_BLOCK_TYPE_DCE].hang) {
-               DRM_INFO("Some block need full reset!\n");
-               return true;
+       int i;
+ 
+       for (i = 0; i < adev->num_ip_blocks; i++) {
+               if (!adev->ip_block_status[i].valid)
+                       continue;
+               if ((adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_GMC) ||
+                   (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_SMC) ||
+                   (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_ACP) ||
+                   (adev->ip_blocks[i].type == AMD_IP_BLOCK_TYPE_DCE)) {
+                       if (adev->ip_block_status[i].hang) {
+                               DRM_INFO("Some block need full reset!\n");
+                               return true;
+                       }
+               }
        }
        return false;
  }