Merge branch 'linux-4.3' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-next

Rather large pull request this time around, due to the long-pending
cleanup of the kernel driver being here.  There's a stupidly large
number of commits for that, as I wanted to have the series be
bisectable at a fairly fine-grained level.  That said, a very large
portion of the churn in the rework was automated, and a very large
number of boards from right across the whole range we support have
been tested.  I'm fairly confident there shouldn't be (too many)
issues from this.

Beyond correcting some not-so-great design decisions and making the
code a lot easier to work with, there's not much exciting (lower
memory usage, GPU VM should be a lot faster, etc) to be gained by the
end-user as a result of the cleanup, it mostly lays the groundwork for
future improvements.

A big thanks goes to Alexandre Courbot for testing/debugging the GK20A
codepaths for me :)

Highlights:
- A heap of perfmon work, providing a more useful userspace interface
and specifying counters for a bunch of boards
- Support for GT200 reclocking + other misc pm improvements
- Initial patches towards supporting GM20B (Tegra X1)
- Maxwell DisplayPort fixes
- Cleanup of the kernel driver
- The usual collection of random fixes

* 'linux-4.3' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (312 commits)
  drm/nouveau: bump driver version for release
  drm/nouveau/tegra: merge platform setup from nouveau drm
  drm/nouveau/pci: merge agp handling from nouveau drm
  drm/nouveau/device: remove pci/platform_device from common struct
  drm/nouveau/device: import pciid list and integrate quirks with it
  drm/nouveau/device: cleaner abstraction for device resource functions
  drm/nouveau/mc: move device irq handling to platform-specific code
  drm/nouveau/mc/gf100-: handle second interrupt tree
  drm/nouveau/mc: abstract interface to master intr registers
  drm/nouveau/pci: new subdev
  drm/nouveau/object: merge with handle
  drm/nouveau/core: remove the remainder of the previous style
  drm/nouveau/mpeg: convert to new-style nvkm_engine
  drm/nouveau/sw: convert to new-style nvkm_engine
  drm/nouveau/pm: convert to new-style nvkm_engine
  drm/nouveau/gr: convert to new-style nvkm_engine
  drm/nouveau/fifo: convert to new-style nvkm_engine
  drm/nouveau/disp: convert to new-style nvkm_engine
  drm/nouveau/dma: convert to new-style nvkm_engine
  drm/nouveau/cipher: convert to new-style nvkm_engine
  ...

1 files changed, 145 insertions, 63 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
index c5fb3a793174..7de98470a2a0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
@@ -25,96 +25,178 @@
 #include <core/device.h>
 #include <core/option.h>
 
-struct nvkm_subdev *
-nvkm_subdev(void *obj, int idx)
-{
-	struct nvkm_object *object = nv_object(obj);
-	while (object && !nv_iclass(object, NV_SUBDEV_CLASS))
-		object = object->parent;
-	if (object == NULL || nv_subidx(nv_subdev(object)) != idx)
-		object = nv_device(obj)->subdev[idx];
-	return object ? nv_subdev(object) : NULL;
-}
+static struct lock_class_key nvkm_subdev_lock_class[NVKM_SUBDEV_NR];
+
+const char *
+nvkm_subdev_name[NVKM_SUBDEV_NR] = {
+	[NVKM_SUBDEV_BAR    ] = "bar",
+	[NVKM_SUBDEV_VBIOS  ] = "bios",
+	[NVKM_SUBDEV_BUS    ] = "bus",
+	[NVKM_SUBDEV_CLK    ] = "clk",
+	[NVKM_SUBDEV_DEVINIT] = "devinit",
+	[NVKM_SUBDEV_FB     ] = "fb",
+	[NVKM_SUBDEV_FUSE   ] = "fuse",
+	[NVKM_SUBDEV_GPIO   ] = "gpio",
+	[NVKM_SUBDEV_I2C    ] = "i2c",
+	[NVKM_SUBDEV_IBUS   ] = "priv",
+	[NVKM_SUBDEV_INSTMEM] = "imem",
+	[NVKM_SUBDEV_LTC    ] = "ltc",
+	[NVKM_SUBDEV_MC     ] = "mc",
+	[NVKM_SUBDEV_MMU    ] = "mmu",
+	[NVKM_SUBDEV_MXM    ] = "mxm",
+	[NVKM_SUBDEV_PCI    ] = "pci",
+	[NVKM_SUBDEV_PMU    ] = "pmu",
+	[NVKM_SUBDEV_THERM  ] = "therm",
+	[NVKM_SUBDEV_TIMER  ] = "tmr",
+	[NVKM_SUBDEV_VOLT   ] = "volt",
+	[NVKM_ENGINE_BSP    ] = "bsp",
+	[NVKM_ENGINE_CE0    ] = "ce0",
+	[NVKM_ENGINE_CE1    ] = "ce1",
+	[NVKM_ENGINE_CE2    ] = "ce2",
+	[NVKM_ENGINE_CIPHER ] = "cipher",
+	[NVKM_ENGINE_DISP   ] = "disp",
+	[NVKM_ENGINE_DMAOBJ ] = "dma",
+	[NVKM_ENGINE_FIFO   ] = "fifo",
+	[NVKM_ENGINE_GR     ] = "gr",
+	[NVKM_ENGINE_IFB    ] = "ifb",
+	[NVKM_ENGINE_ME     ] = "me",
+	[NVKM_ENGINE_MPEG   ] = "mpeg",
+	[NVKM_ENGINE_MSENC  ] = "msenc",
+	[NVKM_ENGINE_MSPDEC ] = "mspdec",
+	[NVKM_ENGINE_MSPPP  ] = "msppp",
+	[NVKM_ENGINE_MSVLD  ] = "msvld",
+	[NVKM_ENGINE_PM     ] = "pm",
+	[NVKM_ENGINE_SEC    ] = "sec",
+	[NVKM_ENGINE_SW     ] = "sw",
+	[NVKM_ENGINE_VIC    ] = "vic",
+	[NVKM_ENGINE_VP     ] = "vp",
+};
 
 void
-nvkm_subdev_reset(struct nvkm_object *subdev)
+nvkm_subdev_intr(struct nvkm_subdev *subdev)
 {
-	nv_trace(subdev, "resetting...\n");
-	nv_ofuncs(subdev)->fini(subdev, false);
-	nv_debug(subdev, "reset\n");
+	if (subdev->func->intr)
+		subdev->func->intr(subdev);
 }
 
 int
-nvkm_subdev_init(struct nvkm_subdev *subdev)
+nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend)
 {
-	int ret = nvkm_object_init(&subdev->object);
-	if (ret)
-		return ret;
+	struct nvkm_device *device = subdev->device;
+	const char *action = suspend ? "suspend" : "fini";
+	u32 pmc_enable = subdev->pmc_enable;
+	s64 time;
 
-	nvkm_subdev_reset(&subdev->object);
-	return 0;
-}
+	nvkm_trace(subdev, "%s running...\n", action);
+	time = ktime_to_us(ktime_get());
 
-int
-_nvkm_subdev_init(struct nvkm_object *object)
-{
-	return nvkm_subdev_init(nv_subdev(object));
-}
+	if (subdev->func->fini) {
+		int ret = subdev->func->fini(subdev, suspend);
+		if (ret) {
+			nvkm_error(subdev, "%s failed, %d\n", action, ret);
+			if (suspend)
+				return ret;
+		}
+	}
 
-int
-nvkm_subdev_fini(struct nvkm_subdev *subdev, bool suspend)
-{
-	if (subdev->unit) {
-		nv_mask(subdev, 0x000200, subdev->unit, 0x00000000);
-		nv_mask(subdev, 0x000200, subdev->unit, subdev->unit);
+	if (pmc_enable) {
+		nvkm_mask(device, 0x000200, pmc_enable, 0x00000000);
+		nvkm_mask(device, 0x000200, pmc_enable, pmc_enable);
+		nvkm_rd32(device, 0x000200);
 	}
 
-	return nvkm_object_fini(&subdev->object, suspend);
+	time = ktime_to_us(ktime_get()) - time;
+	nvkm_trace(subdev, "%s completed in %lldus\n", action, time);
+	return 0;
 }
 
 int
-_nvkm_subdev_fini(struct nvkm_object *object, bool suspend)
+nvkm_subdev_preinit(struct nvkm_subdev *subdev)
 {
-	return nvkm_subdev_fini(nv_subdev(object), suspend);
-}
+	s64 time;
 
-void
-nvkm_subdev_destroy(struct nvkm_subdev *subdev)
-{
-	int subidx = nv_hclass(subdev) & 0xff;
-	nv_device(subdev)->subdev[subidx] = NULL;
-	nvkm_object_destroy(&subdev->object);
-}
+	nvkm_trace(subdev, "preinit running...\n");
+	time = ktime_to_us(ktime_get());
 
-void
-_nvkm_subdev_dtor(struct nvkm_object *object)
-{
-	nvkm_subdev_destroy(nv_subdev(object));
+	if (subdev->func->preinit) {
+		int ret = subdev->func->preinit(subdev);
+		if (ret) {
+			nvkm_error(subdev, "preinit failed, %d\n", ret);
+			return ret;
+		}
+	}
+
+	time = ktime_to_us(ktime_get()) - time;
+	nvkm_trace(subdev, "preinit completed in %lldus\n", time);
+	return 0;
 }
 
 int
-nvkm_subdev_create_(struct nvkm_object *parent, struct nvkm_object *engine,
-		    struct nvkm_oclass *oclass, u32 pclass,
-		    const char *subname, const char *sysname,
-		    int size, void **pobject)
+nvkm_subdev_init(struct nvkm_subdev *subdev)
 {
-	struct nvkm_subdev *subdev;
+	s64 time;
 	int ret;
 
-	ret = nvkm_object_create_(parent, engine, oclass, pclass |
-				  NV_SUBDEV_CLASS, size, pobject);
-	subdev = *pobject;
-	if (ret)
-		return ret;
+	nvkm_trace(subdev, "init running...\n");
+	time = ktime_to_us(ktime_get());
+
+	if (subdev->func->oneinit && !subdev->oneinit) {
+		s64 time;
+		nvkm_trace(subdev, "one-time init running...\n");
+		time = ktime_to_us(ktime_get());
+		ret = subdev->func->oneinit(subdev);
+		if (ret) {
+			nvkm_error(subdev, "one-time init failed, %d\n", ret);
+			return ret;
+		}
 
-	__mutex_init(&subdev->mutex, subname, &oclass->lock_class_key);
-	subdev->name = subname;
+		subdev->oneinit = true;
+		time = ktime_to_us(ktime_get()) - time;
+		nvkm_trace(subdev, "one-time init completed in %lldus\n", time);
+	}
 
-	if (parent) {
-		struct nvkm_device *device = nv_device(parent);
-		subdev->debug = nvkm_dbgopt(device->dbgopt, subname);
-		subdev->mmio  = nv_subdev(device)->mmio;
+	if (subdev->func->init) {
+		ret = subdev->func->init(subdev);
+		if (ret) {
+			nvkm_error(subdev, "init failed, %d\n", ret);
+			return ret;
+		}
 	}
 
+	time = ktime_to_us(ktime_get()) - time;
+	nvkm_trace(subdev, "init completed in %lldus\n", time);
 	return 0;
 }
+
+void
+nvkm_subdev_del(struct nvkm_subdev **psubdev)
+{
+	struct nvkm_subdev *subdev = *psubdev;
+	s64 time;
+
+	if (subdev && !WARN_ON(!subdev->func)) {
+		nvkm_trace(subdev, "destroy running...\n");
+		time = ktime_to_us(ktime_get());
+		if (subdev->func->dtor)
+			*psubdev = subdev->func->dtor(subdev);
+		time = ktime_to_us(ktime_get()) - time;
+		nvkm_trace(subdev, "destroy completed in %lldus\n", time);
+		kfree(*psubdev);
+		*psubdev = NULL;
+	}
+}
+
+void
+nvkm_subdev_ctor(const struct nvkm_subdev_func *func,
+		 struct nvkm_device *device, int index, u32 pmc_enable,
+		 struct nvkm_subdev *subdev)
+{
+	const char *name = nvkm_subdev_name[index];
+	subdev->func = func;
+	subdev->device = device;
+	subdev->index = index;
+	subdev->pmc_enable = pmc_enable;
+
+	__mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]);
+	subdev->debug = nvkm_dbgopt(device->dbgopt, name);
+}