Merge tag 'drm-next-2021-11-03' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Summary below. i915 starts to add support for DG2 GPUs, enables DG1
  and ADL-S support by default, lots of work to enable DisplayPort 2.0
  across drivers. Lots of documentation updates and fixes across the
  board.

  core:
   - improve dma_fence, lease and resv documentation
   - shmem-helpers: allocate WC pages on x86, use vmf_insert_pin
   - sched fixes/improvements
   - allow empty drm leases
   - add dma resv iterator
   - add more DP 2.0 headers
   - DP MST helper improvements for DP2.0

  dma-buf:
   - avoid warnings, remove fence trace macros

  bridge:
   - new helper to get rid of panels
   - probe improvements for it66121
   - enable DSI EOTP for anx7625

  fbdev:
   - efifb: release runtime PM on destroy

  ttm:
   - kerneldoc switch
   - helper to clear all DMA mappings
   - pool shrinker optimizaton
   - remove ttm_tt_destroy_common
   - update ttm_move_memcpy for async use

  panel:
   - add new panel-edp driver

  amdgpu:
   - Initial DP 2.0 support
   - Initial USB4 DP tunnelling support
   - Aldebaran MCE support
   - Modifier support for DCC image stores for GFX 10.3
   - Display rework for better FP code handling
   - Yellow Carp/Cyan Skillfish updates
   - Cyan Skillfish display support
   - convert vega/navi to IP discovery asic enumeration
   - validate IP discovery table
   - RAS improvements
   - Lots of fixes

  i915:
   - DG1 PCI IDs + LMEM discovery/placement
   - DG1 GuC submission by default
   - ADL-S PCI IDs updated + enabled by default
   - ADL-P (XE_LPD) fixed and updates
   - DG2 display fixes
   - PXP protected object support for Gen12 integrated
   - expose multi-LRC submission interface for GuC
   - export logical engine instance to user
   - Disable engine bonding on Gen12+
   - PSR cleanup
   - PSR2 selective fetch by default
   - DP 2.0 prep work
   - VESA vendor block + MSO use of it
   - FBC refactor
   - try again to fix fast-narrow vs slow-wide eDP training
   - use THP when IOMMU enabled
   - LMEM backup/restore for suspend/resume
   - locking simplification
   - GuC major reworking
   - async flip VT-D workaround changes
   - DP link training improvements
   - misc display refactorings

  bochs:
   - new PCI ID

  rcar-du:
   - Non-contiguious buffer import support for rcar-du
   - r8a779a0 support prep

  omapdrm:
   - COMPILE_TEST fixes

  sti:
   - COMPILE_TEST fixes

  msm:
   - fence ordering improvements
   - eDP support in DP sub-driver
   - dpu irq handling cleanup
   - CRC support for making igt happy
   - NO_CONNECTOR bridge support
   - dsi: 14nm phy support for msm8953
   - mdp5: msm8x53, sdm450, sdm632 support

  stm:
   - layer alpha + zpo support

  v3d:
   - fix Vulkan CTS failure
   - support multiple sync objects

  gud:
   - add R8/RGB332/RGB888 pixel formats

  vc4:
   - convert to new bridge helpers

  vgem:
   - use shmem helpers

  virtio:
   - support mapping exported vram

  zte:
   - remove obsolete driver

  rockchip:
   - use bridge attach no connector for LVDS/RGB"

* tag 'drm-next-2021-11-03' of git://anongit.freedesktop.org/drm/drm: (1259 commits)
  drm/amdgpu/gmc6: fix DMA mask from 44 to 40 bits
  drm/amd/display: MST support for DPIA
  drm/amdgpu: Fix even more out of bound writes from debugfs
  drm/amdgpu/discovery: add SDMA IP instance info for soc15 parts
  drm/amdgpu/discovery: add UVD/VCN IP instance info for soc15 parts
  drm/amdgpu/UAPI: rearrange header to better align related items
  drm/amd/display: Enable dpia in dmub only for DCN31 B0
  drm/amd/display: Fix USB4 hot plug crash issue
  drm/amd/display: Fix deadlock when falling back to v2 from v3
  drm/amd/display: Fallback to clocks which meet requested voltage on DCN31
  drm/amd/display: move FPU associated DCN301 code to DML folder
  drm/amd/display: fix link training regression for 1 or 2 lane
  drm/amd/display: add two lane settings training options
  drm/amd/display: decouple hw_lane_settings from dpcd_lane_settings
  drm/amd/display: implement decide lane settings
  drm/amd/display: adopt DP2.0 LT SCR revision 8
  drm/amd/display: FEC configuration for dpia links in MST mode
  drm/amd/display: FEC configuration for dpia links
  drm/amd/display: Add workaround flag for EDID read on certain docks
  drm/amd/display: Set phy_mux_sel bit in dmub scratch register
  ...

1 files changed, 18 insertions, 53 deletions

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index bb9e02c31946..d62b2013c367 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -69,7 +69,17 @@ static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
 	}
 }
 
-static void ttm_bo_del_from_lru(struct ttm_buffer_object *bo)
+static inline void ttm_bo_move_to_pinned(struct ttm_buffer_object *bo)
+{
+	struct ttm_device *bdev = bo->bdev;
+
+	list_move_tail(&bo->lru, &bdev->pinned);
+
+	if (bdev->funcs->del_from_lru_notify)
+		bdev->funcs->del_from_lru_notify(bo);
+}
+
+static inline void ttm_bo_del_from_lru(struct ttm_buffer_object *bo)
 {
 	struct ttm_device *bdev = bo->bdev;
 
@@ -98,7 +108,7 @@ void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
 		dma_resv_assert_held(bo->base.resv);
 
 	if (bo->pin_count) {
-		ttm_bo_del_from_lru(bo);
+		ttm_bo_move_to_pinned(bo);
 		return;
 	}
 
@@ -342,7 +352,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo,
 		return ret;
 	}
 
-	ttm_bo_del_from_lru(bo);
+	ttm_bo_move_to_pinned(bo);
 	list_del_init(&bo->ddestroy);
 	spin_unlock(&bo->bdev->lru_lock);
 	ttm_bo_cleanup_memtype_use(bo);
@@ -914,57 +924,11 @@ out:
 	return ret;
 }
 
-static bool ttm_bo_places_compat(const struct ttm_place *places,
-				 unsigned num_placement,
-				 struct ttm_resource *mem,
-				 uint32_t *new_flags)
-{
-	unsigned i;
-
-	if (mem->placement & TTM_PL_FLAG_TEMPORARY)
-		return false;
-
-	for (i = 0; i < num_placement; i++) {
-		const struct ttm_place *heap = &places[i];
-
-		if ((mem->start < heap->fpfn ||
-		     (heap->lpfn != 0 && (mem->start + mem->num_pages) > heap->lpfn)))
-			continue;
-
-		*new_flags = heap->flags;
-		if ((mem->mem_type == heap->mem_type) &&
-		    (!(*new_flags & TTM_PL_FLAG_CONTIGUOUS) ||
-		     (mem->placement & TTM_PL_FLAG_CONTIGUOUS)))
-			return true;
-	}
-	return false;
-}
-
-bool ttm_bo_mem_compat(struct ttm_placement *placement,
-		       struct ttm_resource *mem,
-		       uint32_t *new_flags)
-{
-	if (ttm_bo_places_compat(placement->placement, placement->num_placement,
-				 mem, new_flags))
-		return true;
-
-	if ((placement->busy_placement != placement->placement ||
-	     placement->num_busy_placement > placement->num_placement) &&
-	    ttm_bo_places_compat(placement->busy_placement,
-				 placement->num_busy_placement,
-				 mem, new_flags))
-		return true;
-
-	return false;
-}
-EXPORT_SYMBOL(ttm_bo_mem_compat);
-
 int ttm_bo_validate(struct ttm_buffer_object *bo,
 		    struct ttm_placement *placement,
 		    struct ttm_operation_ctx *ctx)
 {
 	int ret;
-	uint32_t new_flags;
 
 	dma_resv_assert_held(bo->base.resv);
 
@@ -977,7 +941,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
 	/*
 	 * Check whether we need to move buffer.
 	 */
-	if (!ttm_bo_mem_compat(placement, bo->resource, &new_flags)) {
+	if (!ttm_resource_compat(bo->resource, placement)) {
 		ret = ttm_bo_move_buffer(bo, placement, ctx);
 		if (ret)
 			return ret;
@@ -1151,8 +1115,8 @@ int ttm_bo_swapout(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
 		return -EBUSY;
 
 	if (!bo->ttm || !ttm_tt_is_populated(bo->ttm) ||
-	    bo->ttm->page_flags & TTM_PAGE_FLAG_SG ||
-	    bo->ttm->page_flags & TTM_PAGE_FLAG_SWAPPED ||
+	    bo->ttm->page_flags & TTM_TT_FLAG_EXTERNAL ||
+	    bo->ttm->page_flags & TTM_TT_FLAG_SWAPPED ||
 	    !ttm_bo_get_unless_zero(bo)) {
 		if (locked)
 			dma_resv_unlock(bo->base.resv);
@@ -1165,7 +1129,7 @@ int ttm_bo_swapout(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
 		return ret == -EBUSY ? -ENOSPC : ret;
 	}
 
-	ttm_bo_del_from_lru(bo);
+	ttm_bo_move_to_pinned(bo);
 	/* TODO: Cleanup the locking */
 	spin_unlock(&bo->bdev->lru_lock);
 
@@ -1224,6 +1188,7 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo)
 	if (bo->ttm == NULL)
 		return;
 
+	ttm_tt_unpopulate(bo->bdev, bo->ttm);
 	ttm_tt_destroy(bo->bdev, bo->ttm);
 	bo->ttm = NULL;
 }