Merge tag 'drm-next-2020-08-12' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "This has a few vmwgfx regression fixes we hit from the merge window
  (one in TTM), it also has a bunch of amdgpu fixes along with a
  scattering everywhere else.

  core:
   - Fix drm_dp_mst_port refcount leaks in drm_dp_mst_allocate_vcpi
   - Remove null check for kfree in drm_dev_release.
   - Fix DRM_FORMAT_MOD_AMLOGIC_FBC definition.
   - re-added docs for drm_gem_flink_ioctl()
   - add orientation quirk for ASUS T103HAF

  ttm:
   - ttm: fix page-offset calculation within TTM
   - revert patch causing vmwgfx regressions

  fbcon:
   - Fix a fbcon OOB read in fbdev, found by syzbot.

  vga:
   - Mark vga_tryget static as it's not used elsewhere.

  amdgpu:
   - Re-add spelling typo fix
   - Sienna Cichlid fixes
   - Navy Flounder fixes
   - DC fixes
   - SMU i2c fix
   - Power fixes

  vmwgfx:
   - regression fixes for modesetting crashes
   - misc fixes

  xlnx:
   - Small fixes to xlnx.

  omap:
   - Fix mode initialization in omap_connector_mode_valid().
   - force runtime PM suspend on system suspend

  tidss:
   - fix modeset init for DPI panels"

* tag 'drm-next-2020-08-12' of git://anongit.freedesktop.org/drm/drm: (70 commits)
  drm/ttm: revert "drm/ttm: make TT creation purely optional v3"
  drm/vmwgfx: fix spelling mistake "Cant" -> "Can't"
  drm/vmwgfx: fix spelling mistake "Cound" -> "Could"
  drm/vmwgfx/ldu: Use drm_mode_config_reset
  drm/vmwgfx/sou: Use drm_mode_config_reset
  drm/vmwgfx/stdu: Use drm_mode_config_reset
  drm/vmwgfx: Fix two list_for_each loop exit tests
  drm/vmwgfx: Use correct vmw_legacy_display_unit pointer
  drm/vmwgfx: Use struct_size() helper
  drm/amdgpu: Fix bug where DPM is not enabled after hibernate and resume
  drm/amd/powerplay: put VCN/JPEG into PG ungate state before dpm table setup(V3)
  drm/amd/powerplay: update swSMU VCN/JPEG PG logics
  drm/amdgpu: use mode1 reset by default for sienna_cichlid
  drm/amdgpu/smu: rework i2c adpater registration
  drm/amd/display: Display goes blank after inst
  drm/amd/display: Change null plane state swizzle mode to 4kb_s
  drm/amd/display: Use helper function to check for HDMI signal
  drm/amd/display: AMD OUI (DPCD 0x00300) skipped on some sink
  drm/amd/display: Fix logger context
  drm/amd/display: populate new dml variable
  ...

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 7fb3e0bcbab4..e6c8bd254055 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -531,15 +531,12 @@ static int ttm_bo_kmap_ttm(struct ttm_buffer_object *bo,
 		.interruptible = false,
 		.no_wait_gpu = false
 	};
-	struct ttm_tt *ttm;
+	struct ttm_tt *ttm = bo->ttm;
 	pgprot_t prot;
 	int ret;
 
-	ret = ttm_tt_create(bo, true);
-	if (ret)
-		return ret;
+	BUG_ON(!ttm);
 
-	ttm = bo->ttm;
 	ret = ttm_tt_populate(ttm, &ctx);
 	if (ret)
 		return ret;