Merge airlied/drm-next into drm-misc-next

Bake in the conflict between the drm_print.h extraction and the
addition of DRM_DEBUG_LEASES since we lost it a few too many times.

Also fix a new use of drm_plane_helper_check_state in msm to follow
Ville's conversion in

commit a01cb8ba3f6282934cff65e89ab36b18b14cbe27
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date:   Wed Nov 1 22:16:19 2017 +0200

    drm: Move drm_plane_helper_check_state() into drm_atomic_helper.c

Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 178 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
new file mode 100644
index 000000000000..353f10f92b77
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/ummu.c
@@ -0,0 +1,178 @@
+/*
+ * 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 "ummu.h"
+#include "umem.h"
+#include "uvmm.h"
+
+#include <core/client.h>
+
+#include <nvif/if0008.h>
+#include <nvif/unpack.h>
+
+static int
+nvkm_ummu_sclass(struct nvkm_object *object, int index,
+		 struct nvkm_oclass *oclass)
+{
+	struct nvkm_mmu *mmu = nvkm_ummu(object)->mmu;
+
+	if (mmu->func->mem.user.oclass && oclass->client->super) {
+		if (index-- == 0) {
+			oclass->base = mmu->func->mem.user;
+			oclass->ctor = nvkm_umem_new;
+			return 0;
+		}
+	}
+
+	if (mmu->func->vmm.user.oclass) {
+		if (index-- == 0) {
+			oclass->base = mmu->func->vmm.user;
+			oclass->ctor = nvkm_uvmm_new;
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int
+nvkm_ummu_heap(struct nvkm_ummu *ummu, void *argv, u32 argc)
+{
+	struct nvkm_mmu *mmu = ummu->mmu;
+	union {
+		struct nvif_mmu_heap_v0 v0;
+	} *args = argv;
+	int ret = -ENOSYS;
+	u8 index;
+
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
+		if ((index = args->v0.index) >= mmu->heap_nr)
+			return -EINVAL;
+		args->v0.size = mmu->heap[index].size;
+	} else
+		return ret;
+
+	return 0;
+}
+
+static int
+nvkm_ummu_type(struct nvkm_ummu *ummu, void *argv, u32 argc)
+{
+	struct nvkm_mmu *mmu = ummu->mmu;
+	union {
+		struct nvif_mmu_type_v0 v0;
+	} *args = argv;
+	int ret = -ENOSYS;
+	u8 type, index;
+
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
+		if ((index = args->v0.index) >= mmu->type_nr)
+			return -EINVAL;
+		type = mmu->type[index].type;
+		args->v0.heap = mmu->type[index].heap;
+		args->v0.vram = !!(type & NVKM_MEM_VRAM);
+		args->v0.host = !!(type & NVKM_MEM_HOST);
+		args->v0.comp = !!(type & NVKM_MEM_COMP);
+		args->v0.disp = !!(type & NVKM_MEM_DISP);
+		args->v0.kind = !!(type & NVKM_MEM_KIND);
+		args->v0.mappable = !!(type & NVKM_MEM_MAPPABLE);
+		args->v0.coherent = !!(type & NVKM_MEM_COHERENT);
+		args->v0.uncached = !!(type & NVKM_MEM_UNCACHED);
+	} else
+		return ret;
+
+	return 0;
+}
+
+static int
+nvkm_ummu_kind(struct nvkm_ummu *ummu, void *argv, u32 argc)
+{
+	struct nvkm_mmu *mmu = ummu->mmu;
+	union {
+		struct nvif_mmu_kind_v0 v0;
+	} *args = argv;
+	const u8 *kind = NULL;
+	int ret = -ENOSYS, count = 0;
+
+	if (mmu->func->kind)
+		kind = mmu->func->kind(mmu, &count);
+
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, true))) {
+		if (argc != args->v0.count * sizeof(*args->v0.data))
+			return -EINVAL;
+		if (args->v0.count > count)
+			return -EINVAL;
+		memcpy(args->v0.data, kind, args->v0.count);
+	} else
+		return ret;
+
+	return 0;
+}
+
+static int
+nvkm_ummu_mthd(struct nvkm_object *object, u32 mthd, void *argv, u32 argc)
+{
+	struct nvkm_ummu *ummu = nvkm_ummu(object);
+	switch (mthd) {
+	case NVIF_MMU_V0_HEAP: return nvkm_ummu_heap(ummu, argv, argc);
+	case NVIF_MMU_V0_TYPE: return nvkm_ummu_type(ummu, argv, argc);
+	case NVIF_MMU_V0_KIND: return nvkm_ummu_kind(ummu, argv, argc);
+	default:
+		break;
+	}
+	return -EINVAL;
+}
+
+static const struct nvkm_object_func
+nvkm_ummu = {
+	.mthd = nvkm_ummu_mthd,
+	.sclass = nvkm_ummu_sclass,
+};
+
+int
+nvkm_ummu_new(struct nvkm_device *device, const struct nvkm_oclass *oclass,
+	      void *argv, u32 argc, struct nvkm_object **pobject)
+{
+	union {
+		struct nvif_mmu_v0 v0;
+	} *args = argv;
+	struct nvkm_mmu *mmu = device->mmu;
+	struct nvkm_ummu *ummu;
+	int ret = -ENOSYS, kinds = 0;
+
+	if (mmu->func->kind)
+		mmu->func->kind(mmu, &kinds);
+
+	if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {
+		args->v0.dmabits = mmu->dma_bits;
+		args->v0.heap_nr = mmu->heap_nr;
+		args->v0.type_nr = mmu->type_nr;
+		args->v0.kind_nr = kinds;
+	} else
+		return ret;
+
+	if (!(ummu = kzalloc(sizeof(*ummu), GFP_KERNEL)))
+		return -ENOMEM;
+	nvkm_object_ctor(&nvkm_ummu, oclass, &ummu->object);
+	ummu->mmu = mmu;
+	*pobject = &ummu->object;
+	return 0;
+}