Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This is the main drm pull request for v4.15.

  Core:
   - Atomic object lifetime fixes
   - Atomic iterator improvements
   - Sparse/smatch fixes
   - Legacy kms ioctls to be interruptible
   - EDID override improvements
   - fb/gem helper cleanups
   - Simple outreachy patches
   - Documentation improvements
   - Fix dma-buf rcu races
   - DRM mode object leasing for improving VR use cases.
   - vgaarb improvements for non-x86 platforms.

  New driver:
   - tve200: Faraday Technology TVE200 block.

     This "TV Encoder" encodes a ITU-T BT.656 stream and can be found in
     the StorLink SL3516 (later Cortina Systems CS3516) as well as the
     Grain Media GM8180.

  New bridges:
   - SiI9234 support

  New panels:
   - S6E63J0X03, OTM8009A, Seiko 43WVF1G, 7" rpi touch panel, Toshiba
     LT089AC19000, Innolux AT043TN24

  i915:
   - Remove Coffeelake from alpha support
   - Cannonlake workarounds
   - Infoframe refactoring for DisplayPort
   - VBT updates
   - DisplayPort vswing/emph/buffer translation refactoring
   - CCS fixes
   - Restore GPU clock boost on missed vblanks
   - Scatter list updates for userptr allocations
   - Gen9+ transition watermarks
   - Display IPC (Isochronous Priority Control)
   - Private PAT management
   - GVT: improved error handling and pci config sanitizing
   - Execlist refactoring
   - Transparent Huge Page support
   - User defined priorities support
   - HuC/GuC firmware refactoring
   - DP MST fixes
   - eDP power sequencing fixes
   - Use RCU instead of stop_machine
   - PSR state tracking support
   - Eviction fixes
   - BDW DP aux channel timeout fixes
   - LSPCON fixes
   - Cannonlake PLL fixes

  amdgpu:
   - Per VM BO support
   - Powerplay cleanups
   - CI powerplay support
   - PASID mgr for kfd
   - SR-IOV fixes
   - initial GPU reset for vega10
   - Prime mmap support
   - TTM updates
   - Clock query interface for Raven
   - Fence to handle ioctl
   - UVD encode ring support on Polaris
   - Transparent huge page DMA support
   - Compute LRU pipe tweaks
   - BO flag to allow buffers to opt out of implicit sync
   - CTX priority setting API
   - VRAM lost infrastructure plumbing

  qxl:
   - fix flicker since atomic rework

  amdkfd:
   - Further improvements from internal AMD tree
   - Usermode events
   - Drop radeon support

  nouveau:
   - Pascal temperature sensor support
   - Improved BAR2 handling
   - MMU rework to support Pascal MMU

  exynos:
   - Improved HDMI/mixer support
   - HDMI audio interface support

  tegra:
   - Prep work for tegra186
   - Cleanup/fixes

  msm:
   - Preemption support for a5xx
   - Display fixes for 8x96 (snapdragon 820)
   - Async cursor plane fixes
   - FW loading rework
   - GPU debugging improvements

  vc4:
   - Prep for DSI panels
   - fix T-format tiling scanout
   - New madvise ioctl

  Rockchip:
   - LVDS support

  omapdrm:
   - omap4 HDMI CEC support

  etnaviv:
   - GPU performance counters groundwork

  sun4i:
   - refactor driver load + TCON backend
   - HDMI improvements
   - A31 support
   - Misc fixes

  udl:
   - Probe/EDID read fixes.

  tilcdc:
   - Misc fixes.

  pl111:
   - Support more variants

  adv7511:
   - Improve EDID handling.
   - HDMI CEC support

  sii8620:
   - Add remote control support"

* tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux: (1480 commits)
  drm/rockchip: analogix_dp: Use mutex rather than spinlock
  drm/mode_object: fix documentation for object lookups.
  drm/i915: Reorder context-close to avoid calling i915_vma_close() under RCU
  drm/i915: Move init_clock_gating() back to where it was
  drm/i915: Prune the reservation shared fence array
  drm/i915: Idle the GPU before shinking everything
  drm/i915: Lock llist_del_first() vs llist_del_all()
  drm/i915: Calculate ironlake intermediate watermarks correctly, v2.
  drm/i915: Disable lazy PPGTT page table optimization for vGPU
  drm/i915/execlists: Remove the priority "optimisation"
  drm/i915: Filter out spurious execlists context-switch interrupts
  drm/amdgpu: use irq-safe lock for kiq->ring_lock
  drm/amdgpu: bypass lru touch for KIQ ring submission
  drm/amdgpu: Potential uninitialized variable in amdgpu_vm_update_directories()
  drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs()
  drm/amd/powerplay: initialize a variable before using it
  drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels
  drm/amd/amdgpu: fix evicted VRAM bo adjudgement condition
  drm/vblank: Tune drm_crtc_accurate_vblank_count() WARN down to a debug
  drm/rockchip: add CONFIG_OF dependency for lvds
  ...

1 files changed, 140 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv04.c
new file mode 100644
index 000000000000..0cab1ffc9f64
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmnv04.c
@@ -0,0 +1,140 @@
+/*
+ * Copyright 2017 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "vmm.h"
+
+#include <nvif/if000d.h>
+#include <nvif/unpack.h>
+
+static inline void
+nv04_vmm_pgt_pte(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,
+		 u32 ptei, u32 ptes, struct nvkm_vmm_map *map, u64 addr)
+{
+	u32 data = addr | 0x00000003; /* PRESENT, RW. */
+	while (ptes--) {
+		VMM_WO032(pt, vmm, 8 + ptei++ * 4, data);
+		data += 0x00001000;
+	}
+}
+
+static void
+nv04_vmm_pgt_sgl(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,
+		 u32 ptei, u32 ptes, struct nvkm_vmm_map *map)
+{
+	VMM_MAP_ITER_SGL(vmm, pt, ptei, ptes, map, nv04_vmm_pgt_pte);
+}
+
+static void
+nv04_vmm_pgt_dma(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt,
+		 u32 ptei, u32 ptes, struct nvkm_vmm_map *map)
+{
+#if PAGE_SHIFT == 12
+	nvkm_kmap(pt->memory);
+	while (ptes--)
+		VMM_WO032(pt, vmm, 8 + (ptei++ * 4), *map->dma++ | 0x00000003);
+	nvkm_done(pt->memory);
+#else
+	VMM_MAP_ITER_DMA(vmm, pt, ptei, ptes, map, nv04_vmm_pgt_pte);
+#endif
+}
+
+static void
+nv04_vmm_pgt_unmap(struct nvkm_vmm *vmm,
+		   struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes)
+{
+	VMM_FO032(pt, vmm, 8 + (ptei * 4), 0, ptes);
+}
+
+static const struct nvkm_vmm_desc_func
+nv04_vmm_desc_pgt = {
+	.unmap = nv04_vmm_pgt_unmap,
+	.dma = nv04_vmm_pgt_dma,
+	.sgl = nv04_vmm_pgt_sgl,
+};
+
+static const struct nvkm_vmm_desc
+nv04_vmm_desc_12[] = {
+	{ PGT, 15, 4, 0x1000, &nv04_vmm_desc_pgt },
+	{}
+};
+
+int
+nv04_vmm_valid(struct nvkm_vmm *vmm, void *argv, u32 argc,
+	       struct nvkm_vmm_map *map)
+{
+	union {
+		struct nv04_vmm_map_vn vn;
+	} *args = argv;
+	int ret = -ENOSYS;
+	if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))
+		VMM_DEBUG(vmm, "args");
+	return ret;
+}
+
+static const struct nvkm_vmm_func
+nv04_vmm = {
+	.valid = nv04_vmm_valid,
+	.page = {
+		{ 12, &nv04_vmm_desc_12[0], NVKM_VMM_PAGE_HOST },
+		{}
+	}
+};
+
+int
+nv04_vmm_new_(const struct nvkm_vmm_func *func, struct nvkm_mmu *mmu,
+	      u32 pd_header, u64 addr, u64 size, void *argv, u32 argc,
+	      struct lock_class_key *key, const char *name,
+	      struct nvkm_vmm **pvmm)
+{
+	union {
+		struct nv04_vmm_vn vn;
+	} *args = argv;
+	int ret;
+
+	ret = nvkm_vmm_new_(func, mmu, pd_header, addr, size, key, name, pvmm);
+	if (ret)
+		return ret;
+
+	return nvif_unvers(-ENOSYS, &argv, &argc, args->vn);
+}
+
+int
+nv04_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc,
+	     struct lock_class_key *key, const char *name,
+	     struct nvkm_vmm **pvmm)
+{
+	struct nvkm_memory *mem;
+	struct nvkm_vmm *vmm;
+	int ret;
+
+	ret = nv04_vmm_new_(&nv04_vmm, mmu, 8, addr, size,
+			    argv, argc, key, name, &vmm);
+	*pvmm = vmm;
+	if (ret)
+		return ret;
+
+	mem = vmm->pd->pt[0]->memory;
+	nvkm_kmap(mem);
+	nvkm_wo32(mem, 0x00000, 0x0002103d); /* PCI, RW, PT, !LN */
+	nvkm_wo32(mem, 0x00004, vmm->limit - 1);
+	nvkm_done(mem);
+	return 0;
+}