drm/nouveau/mc: implement intr handling on top of nvkm_intr

- new-style handlers can now be used here too
- decent clean-up
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h

@@ -6,15 +6,14 @@
 struct nvkm_mc {
 	const struct nvkm_mc_func *func;
 	struct nvkm_subdev subdev;
+
+	struct nvkm_intr intr;
 };
 
 void nvkm_mc_enable(struct nvkm_device *, enum nvkm_subdev_type, int);
 void nvkm_mc_disable(struct nvkm_device *, enum nvkm_subdev_type, int);
 bool nvkm_mc_enabled(struct nvkm_device *, enum nvkm_subdev_type, int);
 void nvkm_mc_reset(struct nvkm_device *, enum nvkm_subdev_type, int);
-void nvkm_mc_intr(struct nvkm_device *, bool *handled);
-void nvkm_mc_intr_unarm(struct nvkm_device *);
-void nvkm_mc_intr_rearm(struct nvkm_device *);
 void nvkm_mc_intr_mask(struct nvkm_device *, enum nvkm_subdev_type, int, bool enable);
 void nvkm_mc_unk260(struct nvkm_device *, u32 data);
 
@@ -31,6 +30,5 @@ int gk104_mc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct n
 int gk20a_mc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mc **);
 int gp100_mc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mc **);
 int gp10b_mc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mc **);
-int tu102_mc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mc **);
 int ga100_mc_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_mc **);
 #endif

drivers/gpu/drm/nouveau/nvkm/core/intr.c

@@ -25,8 +25,6 @@
 #include <subdev/pci.h>
 #include <subdev/top.h>
 
-#include <subdev/mc.h>
-
 static int
 nvkm_intr_xlat(struct nvkm_subdev *subdev, struct nvkm_intr *intr,
 	       enum nvkm_intr_type type, int *leaf, u32 *mask)
@@ -151,7 +149,6 @@ nvkm_intr_rearm_locked(struct nvkm_device *device)
 
 	list_for_each_entry(intr, &device->intr.intr, head)
 		intr->func->rearm(intr);
-	nvkm_mc_intr_rearm(device);
 }
 
 static void
@@ -161,7 +158,6 @@ nvkm_intr_unarm_locked(struct nvkm_device *device)
 
 	list_for_each_entry(intr, &device->intr.intr, head)
 		intr->func->unarm(intr);
-	nvkm_mc_intr_unarm(device);
 }
 
 static irqreturn_t
@@ -171,7 +167,7 @@ nvkm_intr(int irq, void *arg)
 	struct nvkm_intr *intr;
 	struct nvkm_inth *inth;
 	irqreturn_t ret = IRQ_NONE;
-	bool pending = false, handled;
+	bool pending = false;
 	int prio, leaf;
 
 	/* Disable all top-level interrupt sources, and re-arm MSI interrupts. */
@@ -188,10 +184,6 @@ nvkm_intr(int irq, void *arg)
 			pending = true;
 	}
 
-	nvkm_mc_intr(device, &handled);
-	if (handled)
-		ret = IRQ_HANDLED;
-
 	if (!pending)
 		goto done;
 

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

@@ -2412,7 +2412,7 @@ nv162_chipset = {
 	.i2c      = { 0x00000001, gm200_i2c_new },
 	.imem     = { 0x00000001, nv50_instmem_new },
 	.ltc      = { 0x00000001, gp102_ltc_new },
-	.mc       = { 0x00000001, tu102_mc_new },
+	.mc       = { 0x00000001, gp100_mc_new },
 	.mmu      = { 0x00000001, tu102_mmu_new },
 	.pci      = { 0x00000001, gp100_pci_new },
 	.pmu      = { 0x00000001, gp102_pmu_new },
@@ -2447,7 +2447,7 @@ nv164_chipset = {
 	.i2c      = { 0x00000001, gm200_i2c_new },
 	.imem     = { 0x00000001, nv50_instmem_new },
 	.ltc      = { 0x00000001, gp102_ltc_new },
-	.mc       = { 0x00000001, tu102_mc_new },
+	.mc       = { 0x00000001, gp100_mc_new },
 	.mmu      = { 0x00000001, tu102_mmu_new },
 	.pci      = { 0x00000001, gp100_pci_new },
 	.pmu      = { 0x00000001, gp102_pmu_new },
@@ -2482,7 +2482,7 @@ nv166_chipset = {
 	.i2c      = { 0x00000001, gm200_i2c_new },
 	.imem     = { 0x00000001, nv50_instmem_new },
 	.ltc      = { 0x00000001, gp102_ltc_new },
-	.mc       = { 0x00000001, tu102_mc_new },
+	.mc       = { 0x00000001, gp100_mc_new },
 	.mmu      = { 0x00000001, tu102_mmu_new },
 	.pci      = { 0x00000001, gp100_pci_new },
 	.pmu      = { 0x00000001, gp102_pmu_new },
@@ -2517,7 +2517,7 @@ nv167_chipset = {
 	.i2c      = { 0x00000001, gm200_i2c_new },
 	.imem     = { 0x00000001, nv50_instmem_new },
 	.ltc      = { 0x00000001, gp102_ltc_new },
-	.mc       = { 0x00000001, tu102_mc_new },
+	.mc       = { 0x00000001, gp100_mc_new },
 	.mmu      = { 0x00000001, tu102_mmu_new },
 	.pci      = { 0x00000001, gp100_pci_new },
 	.pmu      = { 0x00000001, gp102_pmu_new },
@@ -2552,7 +2552,7 @@ nv168_chipset = {
 	.i2c      = { 0x00000001, gm200_i2c_new },
 	.imem     = { 0x00000001, nv50_instmem_new },
 	.ltc      = { 0x00000001, gp102_ltc_new },
-	.mc       = { 0x00000001, tu102_mc_new },
+	.mc       = { 0x00000001, gp100_mc_new },
 	.mmu      = { 0x00000001, tu102_mmu_new },
 	.pci      = { 0x00000001, gp100_pci_new },
 	.pmu      = { 0x00000001, gp102_pmu_new },

drivers/gpu/drm/nouveau/nvkm/subdev/mc/Kbuild

@@ -13,5 +13,4 @@ nvkm-y += nvkm/subdev/mc/gk104.o
 nvkm-y += nvkm/subdev/mc/gk20a.o
 nvkm-y += nvkm/subdev/mc/gp100.o
 nvkm-y += nvkm/subdev/mc/gp10b.o
-nvkm-y += nvkm/subdev/mc/tu102.o
 nvkm-y += nvkm/subdev/mc/ga100.o

drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c

@@ -37,84 +37,14 @@ nvkm_mc_unk260(struct nvkm_device *device, u32 data)
 void
 nvkm_mc_intr_mask(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, bool en)
 {
-	struct nvkm_mc *mc = device->mc;
-	const struct nvkm_mc_map *map;
-	if (likely(mc) && mc->func->intr_mask) {
-		u32 mask = nvkm_top_intr_mask(device, type, inst);
-		for (map = mc->func->intr; !mask && map->stat; map++) {
-			if (map->type == type && map->inst == inst)
-				mask = map->stat;
-		}
-		mc->func->intr_mask(mc, mask, en ? mask : 0);
-	}
-}
-
-void
-nvkm_mc_intr_unarm(struct nvkm_device *device)
-{
-	struct nvkm_mc *mc = device->mc;
-	if (likely(mc))
-		mc->func->intr_unarm(mc);
-}
-
-void
-nvkm_mc_intr_rearm(struct nvkm_device *device)
-{
-	struct nvkm_mc *mc = device->mc;
-	if (likely(mc))
-		mc->func->intr_rearm(mc);
-}
-
-static u32
-nvkm_mc_intr_stat(struct nvkm_mc *mc)
-{
-	u32 intr = mc->func->intr_stat(mc);
-	if (WARN_ON_ONCE(intr == 0xffffffff))
-		intr = 0; /* likely fallen off the bus */
-	return intr;
-}
-
-void
-nvkm_mc_intr(struct nvkm_device *device, bool *handled)
-{
-	struct nvkm_mc *mc = device->mc;
-	struct nvkm_top *top = device->top;
-	struct nvkm_top_device *tdev;
-	struct nvkm_subdev *subdev;
-	const struct nvkm_mc_map *map;
-	u32 stat, intr;
-
-	if (unlikely(!mc))
-		return;
-
-	stat = intr = nvkm_mc_intr_stat(mc);
+	struct nvkm_subdev *subdev = nvkm_device_subdev(device, type, inst);
 
-	if (top) {
-		list_for_each_entry(tdev, &top->device, head) {
-			if (tdev->intr >= 0 && (stat & BIT(tdev->intr))) {
-				subdev = nvkm_device_subdev(device, tdev->type, tdev->inst);
 	if (subdev) {
-					nvkm_subdev_intr(subdev);
-					stat &= ~BIT(tdev->intr);
-					if (!stat)
-						break;
-				}
-			}
-		}
-	}
-
-	for (map = mc->func->intr; map->stat; map++) {
-		if (intr & map->stat) {
-			subdev = nvkm_device_subdev(device, map->type, map->inst);
-			if (subdev)
-				nvkm_subdev_intr(subdev);
-			stat &= ~map->stat;
-		}
+		if (en)
+			nvkm_intr_allow(subdev, NVKM_INTR_SUBDEV);
+		else
+			nvkm_intr_block(subdev, NVKM_INTR_SUBDEV);
 	}
-
-	if (stat)
-		nvkm_error(&mc->subdev, "intr %08x\n", stat);
-	*handled = intr != 0;
 }
 
 static u32
@@ -177,20 +107,12 @@ nvkm_mc_enabled(struct nvkm_device *device, enum nvkm_subdev_type type, int inst
 }
 
 
-static int
-nvkm_mc_fini(struct nvkm_subdev *subdev, bool suspend)
-{
-	nvkm_mc_intr_unarm(subdev->device);
-	return 0;
-}
-
 static int
 nvkm_mc_init(struct nvkm_subdev *subdev)
 {
 	struct nvkm_mc *mc = nvkm_mc(subdev);
 	if (mc->func->init)
 		mc->func->init(mc);
-	nvkm_mc_intr_rearm(subdev->device);
 	return 0;
 }
 
@@ -204,24 +126,27 @@ static const struct nvkm_subdev_func
 nvkm_mc = {
 	.dtor = nvkm_mc_dtor,
 	.init = nvkm_mc_init,
-	.fini = nvkm_mc_fini,
 };
 
-void
-nvkm_mc_ctor(const struct nvkm_mc_func *func, struct nvkm_device *device,
-	     enum nvkm_subdev_type type, int inst, struct nvkm_mc *mc)
-{
-	nvkm_subdev_ctor(&nvkm_mc, device, type, inst, &mc->subdev);
-	mc->func = func;
-}
-
 int
 nvkm_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
 	     enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
 {
 	struct nvkm_mc *mc;
+	int ret;
+
 	if (!(mc = *pmc = kzalloc(sizeof(*mc), GFP_KERNEL)))
 		return -ENOMEM;
-	nvkm_mc_ctor(func, device, type, inst, *pmc);
+
+	nvkm_subdev_ctor(&nvkm_mc, device, type, inst, &mc->subdev);
+	mc->func = func;
+
+	if (mc->func->intr) {
+		ret = nvkm_intr_add(mc->func->intr, mc->func->intrs, &mc->subdev,
+				    mc->func->intr_nonstall ? 2 : 1, &mc->intr);
+		if (ret)
+			return ret;
+	}
+
 	return 0;
 }

drivers/gpu/drm/nouveau/nvkm/subdev/mc/g84.c

@@ -34,30 +34,28 @@ g84_mc_reset[] = {
 	{}
 };
 
-static const struct nvkm_mc_map
-g84_mc_intr[] = {
-	{ 0x04000000, NVKM_ENGINE_DISP },
-	{ 0x00020000, NVKM_ENGINE_VP },
-	{ 0x00008000, NVKM_ENGINE_BSP },
-	{ 0x00004000, NVKM_ENGINE_CIPHER },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x00000001, NVKM_ENGINE_MPEG },
-	{ 0x0002d101, NVKM_SUBDEV_FB },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x00200000, NVKM_SUBDEV_GPIO },
-	{ 0x00200000, NVKM_SUBDEV_I2C },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
+static const struct nvkm_intr_data
+g84_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP  , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_VP    , 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_BSP   , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_CIPHER, 0, 0, 0x00004000, true },
+	{ NVKM_ENGINE_GR    , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO  , 0, 0, 0x00000100, true },
+	{ NVKM_ENGINE_MPEG  , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB    , 0, 0, 0x0002d101, true },
+	{ NVKM_SUBDEV_BUS   , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C   , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER , 0, 0, 0x00100000, true },
 	{},
 };
 
 static const struct nvkm_mc_func
 g84_mc = {
 	.init = nv50_mc_init,
-	.intr = g84_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = g84_mc_intrs,
 	.reset = g84_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/g98.c

@@ -34,30 +34,28 @@ g98_mc_reset[] = {
 	{}
 };
 
-static const struct nvkm_mc_map
-g98_mc_intr[] = {
-	{ 0x04000000, NVKM_ENGINE_DISP },
-	{ 0x00020000, NVKM_ENGINE_MSPDEC },
-	{ 0x00008000, NVKM_ENGINE_MSVLD },
-	{ 0x00004000, NVKM_ENGINE_SEC },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x00000001, NVKM_ENGINE_MSPPP },
-	{ 0x0002d101, NVKM_SUBDEV_FB },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x00200000, NVKM_SUBDEV_GPIO },
-	{ 0x00200000, NVKM_SUBDEV_I2C },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
+static const struct nvkm_intr_data
+g98_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP  , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_MSPDEC, 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_MSVLD , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_SEC   , 0, 0, 0x00004000, true },
+	{ NVKM_ENGINE_GR    , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO  , 0, 0, 0x00000100, true },
+	{ NVKM_ENGINE_MSPPP , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB    , 0, 0, 0x0002d101, true },
+	{ NVKM_SUBDEV_BUS   , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C   , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER , 0, 0, 0x00100000, true },
 	{},
 };
 
 static const struct nvkm_mc_func
 g98_mc = {
 	.init = nv50_mc_init,
-	.intr = g98_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = g98_mc_intrs,
 	.reset = g98_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/ga100.c

@@ -21,35 +21,9 @@
  */
 #include "priv.h"
 
-static void
-ga100_mc_intr_unarm(struct nvkm_mc *mc)
-{
-}
-
-static void
-ga100_mc_intr_rearm(struct nvkm_mc *mc)
-{
-}
-
-static u32
-ga100_mc_intr_stat(struct nvkm_mc *mc)
-{
-	return 0;
-}
-
-static void
-ga100_mc_init(struct nvkm_mc *mc)
-{
-	nv50_mc_init(mc);
-}
-
 static const struct nvkm_mc_func
 ga100_mc = {
-	.init = ga100_mc_init,
-	.intr = gp100_mc_intr,
-	.intr_unarm = ga100_mc_intr_unarm,
-	.intr_rearm = ga100_mc_intr_rearm,
-	.intr_stat = ga100_mc_intr_stat,
+	.init = nv50_mc_init,
 	.reset = gk104_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/gf100.c

@@ -36,63 +36,28 @@ gf100_mc_reset[] = {
 	{}
 };
 
-static const struct nvkm_mc_map
-gf100_mc_intr[] = {
-	{ 0x04000000, NVKM_ENGINE_DISP },
-	{ 0x00020000, NVKM_ENGINE_MSPDEC },
-	{ 0x00008000, NVKM_ENGINE_MSVLD },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x00000040, NVKM_ENGINE_CE, 1 },
-	{ 0x00000020, NVKM_ENGINE_CE, 0 },
-	{ 0x00000001, NVKM_ENGINE_MSPPP },
-	{ 0x40000000, NVKM_SUBDEV_PRIVRING },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x08000000, NVKM_SUBDEV_FB },
-	{ 0x02000000, NVKM_SUBDEV_LTC },
-	{ 0x01000000, NVKM_SUBDEV_PMU },
-	{ 0x00200000, NVKM_SUBDEV_GPIO },
-	{ 0x00200000, NVKM_SUBDEV_I2C },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
-	{ 0x00040000, NVKM_SUBDEV_THERM },
-	{ 0x00002000, NVKM_SUBDEV_FB },
+static const struct nvkm_intr_data
+gf100_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_MSPDEC  , 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_MSVLD   , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_GR      , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100, true },
+	{ NVKM_ENGINE_CE      , 1, 0, 0x00000040, true },
+	{ NVKM_ENGINE_CE      , 0, 0, 0x00000020, true },
+	{ NVKM_ENGINE_MSPPP   , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
+	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
+	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
+	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
+	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
 	{},
 };
 
-void
-gf100_mc_intr_unarm(struct nvkm_mc *mc)
-{
-	struct nvkm_device *device = mc->subdev.device;
-	nvkm_wr32(device, 0x000140, 0x00000000);
-	nvkm_wr32(device, 0x000144, 0x00000000);
-	nvkm_rd32(device, 0x000140);
-}
-
-void
-gf100_mc_intr_rearm(struct nvkm_mc *mc)
-{
-	struct nvkm_device *device = mc->subdev.device;
-	nvkm_wr32(device, 0x000140, 0x00000001);
-	nvkm_wr32(device, 0x000144, 0x00000001);
-}
-
-u32
-gf100_mc_intr_stat(struct nvkm_mc *mc)
-{
-	struct nvkm_device *device = mc->subdev.device;
-	u32 intr0 = nvkm_rd32(device, 0x000100);
-	u32 intr1 = nvkm_rd32(device, 0x000104);
-	return intr0 | intr1;
-}
-
-void
-gf100_mc_intr_mask(struct nvkm_mc *mc, u32 mask, u32 stat)
-{
-	struct nvkm_device *device = mc->subdev.device;
-	nvkm_mask(device, 0x000640, mask, stat);
-	nvkm_mask(device, 0x000644, mask, stat);
-}
-
 void
 gf100_mc_unk260(struct nvkm_mc *mc, u32 data)
 {
@@ -102,11 +67,9 @@ gf100_mc_unk260(struct nvkm_mc *mc, u32 data)
 static const struct nvkm_mc_func
 gf100_mc = {
 	.init = nv50_mc_init,
-	.intr = gf100_mc_intr,
-	.intr_unarm = gf100_mc_intr_unarm,
-	.intr_rearm = gf100_mc_intr_rearm,
-	.intr_mask = gf100_mc_intr_mask,
-	.intr_stat = gf100_mc_intr_stat,
+	.intr = &gt215_mc_intr,
+	.intrs = gf100_mc_intrs,
+	.intr_nonstall = true,
 	.reset = gf100_mc_reset,
 	.unk260 = gf100_mc_unk260,
 };

drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk104.c

@@ -30,31 +30,29 @@ gk104_mc_reset[] = {
 	{}
 };
 
-const struct nvkm_mc_map
-gk104_mc_intr[] = {
-	{ 0x04000000, NVKM_ENGINE_DISP },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x40000000, NVKM_SUBDEV_PRIVRING },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x08000000, NVKM_SUBDEV_FB },
-	{ 0x02000000, NVKM_SUBDEV_LTC },
-	{ 0x01000000, NVKM_SUBDEV_PMU },
-	{ 0x00200000, NVKM_SUBDEV_GPIO },
-	{ 0x00200000, NVKM_SUBDEV_I2C },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
-	{ 0x00040000, NVKM_SUBDEV_THERM },
-	{ 0x00002000, NVKM_SUBDEV_FB },
+const struct nvkm_intr_data
+gk104_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100, true },
+	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
+	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
+	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
+	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
+	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
+	{ NVKM_SUBDEV_TOP     , 0, 0, 0xffffffff, true },
 	{},
 };
 
 static const struct nvkm_mc_func
 gk104_mc = {
 	.init = nv50_mc_init,
-	.intr = gk104_mc_intr,
-	.intr_unarm = gf100_mc_intr_unarm,
-	.intr_rearm = gf100_mc_intr_rearm,
-	.intr_mask = gf100_mc_intr_mask,
-	.intr_stat = gf100_mc_intr_stat,
+	.intr = &gt215_mc_intr,
+	.intrs = gk104_mc_intrs,
+	.intr_nonstall = true,
 	.reset = gk104_mc_reset,
 	.unk260 = gf100_mc_unk260,
 };

drivers/gpu/drm/nouveau/nvkm/subdev/mc/gk20a.c

@@ -26,11 +26,9 @@
 static const struct nvkm_mc_func
 gk20a_mc = {
 	.init = nv50_mc_init,
-	.intr = gk104_mc_intr,
-	.intr_unarm = gf100_mc_intr_unarm,
-	.intr_rearm = gf100_mc_intr_rearm,
-	.intr_mask = gf100_mc_intr_mask,
-	.intr_stat = gf100_mc_intr_stat,
+	.intr = &gt215_mc_intr,
+	.intrs = gk104_mc_intrs,
+	.intr_nonstall = true,
 	.reset = gk104_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp100.c

@@ -21,108 +21,80 @@
  *
  * Authors: Ben Skeggs
  */
-#define gp100_mc(p) container_of((p), struct gp100_mc, base)
 #include "priv.h"
 
-struct gp100_mc {
-	struct nvkm_mc base;
-	spinlock_t lock;
-	bool intr;
-	u32 mask;
+const struct nvkm_intr_data
+gp100_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100, true },
+	{ NVKM_SUBDEV_FAULT   , 0, 0, 0x00000200, true },
+	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
+	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
+	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
+	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
+	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
+	{ NVKM_SUBDEV_TOP     , 0, 0, 0xffffffff, true },
+	{},
 };
 
 static void
-gp100_mc_intr_update(struct gp100_mc *mc)
+gp100_mc_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
 {
-	struct nvkm_device *device = mc->base.subdev.device;
-	u32 mask = mc->intr ? mc->mask : 0, i;
-	for (i = 0; i < 2; i++) {
-		nvkm_wr32(device, 0x000180 + (i * 0x04), ~mask);
-		nvkm_wr32(device, 0x000160 + (i * 0x04),  mask);
-	}
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_wr32(mc->subdev.device, 0x000160 + (leaf * 4), mask);
 }
 
-void
-gp100_mc_intr_unarm(struct nvkm_mc *base)
+static void
+gp100_mc_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
 {
-	struct gp100_mc *mc = gp100_mc(base);
-	unsigned long flags;
-	spin_lock_irqsave(&mc->lock, flags);
-	mc->intr = false;
-	gp100_mc_intr_update(mc);
-	spin_unlock_irqrestore(&mc->lock, flags);
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_wr32(mc->subdev.device, 0x000180 + (leaf * 4), mask);
 }
 
-void
-gp100_mc_intr_rearm(struct nvkm_mc *base)
+static void
+gp100_mc_intr_rearm(struct nvkm_intr *intr)
 {
-	struct gp100_mc *mc = gp100_mc(base);
-	unsigned long flags;
-	spin_lock_irqsave(&mc->lock, flags);
-	mc->intr = true;
-	gp100_mc_intr_update(mc);
-	spin_unlock_irqrestore(&mc->lock, flags);
+	int i;
+
+	for (i = 0; i < intr->leaves; i++)
+		intr->func->allow(intr, i, intr->mask[i]);
 }
 
-void
-gp100_mc_intr_mask(struct nvkm_mc *base, u32 mask, u32 intr)
+static void
+gp100_mc_intr_unarm(struct nvkm_intr *intr)
 {
-	struct gp100_mc *mc = gp100_mc(base);
-	unsigned long flags;
-	spin_lock_irqsave(&mc->lock, flags);
-	mc->mask = (mc->mask & ~mask) | intr;
-	gp100_mc_intr_update(mc);
-	spin_unlock_irqrestore(&mc->lock, flags);
+	int i;
+
+	for (i = 0; i < intr->leaves; i++)
+		intr->func->block(intr, i, 0xffffffff);
 }
 
-const struct nvkm_mc_map
-gp100_mc_intr[] = {
-	{ 0x04000000, NVKM_ENGINE_DISP },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x00000200, NVKM_SUBDEV_FAULT },
-	{ 0x40000000, NVKM_SUBDEV_PRIVRING },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x08000000, NVKM_SUBDEV_FB },
-	{ 0x02000000, NVKM_SUBDEV_LTC },
-	{ 0x01000000, NVKM_SUBDEV_PMU },
-	{ 0x00200000, NVKM_SUBDEV_GPIO },
-	{ 0x00200000, NVKM_SUBDEV_I2C },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
-	{ 0x00040000, NVKM_SUBDEV_THERM },
-	{ 0x00002000, NVKM_SUBDEV_FB },
-	{},
+const struct nvkm_intr_func
+gp100_mc_intr = {
+	.pending = nv04_mc_intr_pending,
+	.unarm = gp100_mc_intr_unarm,
+	.rearm = gp100_mc_intr_rearm,
+	.block = gp100_mc_intr_block,
+	.allow = gp100_mc_intr_allow,
 };
 
 static const struct nvkm_mc_func
 gp100_mc = {
 	.init = nv50_mc_init,
-	.intr = gp100_mc_intr,
-	.intr_unarm = gp100_mc_intr_unarm,
-	.intr_rearm = gp100_mc_intr_rearm,
-	.intr_mask = gp100_mc_intr_mask,
-	.intr_stat = gf100_mc_intr_stat,
+	.intr = &gp100_mc_intr,
+	.intrs = gp100_mc_intrs,
+	.intr_nonstall = true,
 	.reset = gk104_mc_reset,
 };
 
-int
-gp100_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
-	      enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
-{
-	struct gp100_mc *mc;
-
-	if (!(mc = kzalloc(sizeof(*mc), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_mc_ctor(func, device, type, inst, &mc->base);
-	*pmc = &mc->base;
-
-	spin_lock_init(&mc->lock);
-	mc->intr = false;
-	mc->mask = 0x7fffffff;
-	return 0;
-}
-
 int
 gp100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
 {
-	return gp100_mc_new_(&gp100_mc, device, type, inst, pmc);
+	return nvkm_mc_new_(&gp100_mc, device, type, inst, pmc);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/mc/gp10b.c

@@ -34,16 +34,14 @@ gp10b_mc_init(struct nvkm_mc *mc)
 static const struct nvkm_mc_func
 gp10b_mc = {
 	.init = gp10b_mc_init,
-	.intr = gp100_mc_intr,
-	.intr_unarm = gp100_mc_intr_unarm,
-	.intr_rearm = gp100_mc_intr_rearm,
-	.intr_mask = gp100_mc_intr_mask,
-	.intr_stat = gf100_mc_intr_stat,
+	.intr = &gp100_mc_intr,
+	.intrs = gp100_mc_intrs,
+	.intr_nonstall = true,
 	.reset = gk104_mc_reset,
 };
 
 int
 gp10b_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
 {
-	return gp100_mc_new_(&gp10b_mc, device, type, inst, pmc);
+	return nvkm_mc_new_(&gp10b_mc, device, type, inst, pmc);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/mc/gt215.c

@@ -34,39 +34,55 @@ gt215_mc_reset[] = {
 	{}
 };
 
-static const struct nvkm_mc_map
-gt215_mc_intr[] = {
-	{ 0x04000000, NVKM_ENGINE_DISP },
-	{ 0x00400000, NVKM_ENGINE_CE, 0 },
-	{ 0x00020000, NVKM_ENGINE_MSPDEC },
-	{ 0x00008000, NVKM_ENGINE_MSVLD },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x00000001, NVKM_ENGINE_MSPPP },
-	{ 0x00429101, NVKM_SUBDEV_FB },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x00200000, NVKM_SUBDEV_GPIO },
-	{ 0x00200000, NVKM_SUBDEV_I2C },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
-	{ 0x00080000, NVKM_SUBDEV_THERM },
-	{ 0x00040000, NVKM_SUBDEV_PMU },
+static const struct nvkm_intr_data
+gt215_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP  , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_CE    , 0, 0, 0x00400000, true },
+	{ NVKM_ENGINE_MSPDEC, 0, 0, 0x00020000, true },
+	{ NVKM_ENGINE_MSVLD , 0, 0, 0x00008000, true },
+	{ NVKM_ENGINE_GR    , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO  , 0, 0, 0x00000100, true },
+	{ NVKM_ENGINE_MSPPP , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB    , 0, 0, 0x00429101, true },
+	{ NVKM_SUBDEV_BUS   , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C   , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER , 0, 0, 0x00100000, true },
+	{ NVKM_SUBDEV_THERM , 0, 0, 0x00080000, true },
+	{ NVKM_SUBDEV_PMU   , 0, 0, 0x00040000, true },
 	{},
 };
 
 static void
-gt215_mc_intr_mask(struct nvkm_mc *mc, u32 mask, u32 stat)
+gt215_mc_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
+{
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_mask(mc->subdev.device, 0x000640 + (leaf * 4), mask, mask);
+}
+
+static void
+gt215_mc_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
 {
-	nvkm_mask(mc->subdev.device, 0x000640, mask, stat);
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+
+	nvkm_mask(mc->subdev.device, 0x000640 + (leaf * 4), mask, 0);
 }
 
+const struct nvkm_intr_func
+gt215_mc_intr = {
+	.pending = nv04_mc_intr_pending,
+	.unarm = nv04_mc_intr_unarm,
+	.rearm = nv04_mc_intr_rearm,
+	.block = gt215_mc_intr_block,
+	.allow = gt215_mc_intr_allow,
+};
+
 static const struct nvkm_mc_func
 gt215_mc = {
 	.init = nv50_mc_init,
-	.intr = gt215_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_mask = gt215_mc_intr_mask,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = gt215_mc_intrs,
 	.reset = gt215_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv04.c

@@ -30,37 +30,61 @@ nv04_mc_reset[] = {
 	{}
 };
 
-static const struct nvkm_mc_map
-nv04_mc_intr[] = {
-	{ 0x01010000, NVKM_ENGINE_DISP },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
+static const struct nvkm_intr_data
+nv04_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x01010000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100, true },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
 	{}
 };
 
 void
-nv04_mc_intr_unarm(struct nvkm_mc *mc)
+nv04_mc_intr_rearm(struct nvkm_intr *intr)
 {
-	struct nvkm_device *device = mc->subdev.device;
-	nvkm_wr32(device, 0x000140, 0x00000000);
-	nvkm_rd32(device, 0x000140);
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+	int leaf;
+
+	for (leaf = 0; leaf < intr->leaves; leaf++)
+		nvkm_wr32(mc->subdev.device, 0x000140 + (leaf * 4), 0x00000001);
 }
 
 void
-nv04_mc_intr_rearm(struct nvkm_mc *mc)
+nv04_mc_intr_unarm(struct nvkm_intr *intr)
 {
-	struct nvkm_device *device = mc->subdev.device;
-	nvkm_wr32(device, 0x000140, 0x00000001);
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+	int leaf;
+
+	for (leaf = 0; leaf < intr->leaves; leaf++)
+		nvkm_wr32(mc->subdev.device, 0x000140 + (leaf * 4), 0x00000000);
+
+	nvkm_rd32(mc->subdev.device, 0x000140);
 }
 
-u32
-nv04_mc_intr_stat(struct nvkm_mc *mc)
+bool
+nv04_mc_intr_pending(struct nvkm_intr *intr)
 {
-	return nvkm_rd32(mc->subdev.device, 0x000100);
+	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
+	bool pending = false;
+	int leaf;
+
+	for (leaf = 0; leaf < intr->leaves; leaf++) {
+		intr->stat[leaf] = nvkm_rd32(mc->subdev.device, 0x000100 + (leaf * 4));
+		if (intr->stat[leaf])
+			pending = true;
+	}
+
+	return pending;
 }
 
+const struct nvkm_intr_func
+nv04_mc_intr = {
+	.pending = nv04_mc_intr_pending,
+	.unarm = nv04_mc_intr_unarm,
+	.rearm = nv04_mc_intr_rearm,
+};
+
 void
 nv04_mc_init(struct nvkm_mc *mc)
 {
@@ -72,10 +96,8 @@ nv04_mc_init(struct nvkm_mc *mc)
 static const struct nvkm_mc_func
 nv04_mc = {
 	.init = nv04_mc_init,
-	.intr = nv04_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = nv04_mc_intrs,
 	.reset = nv04_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv11.c

@@ -23,23 +23,21 @@
  */
 #include "priv.h"
 
-static const struct nvkm_mc_map
-nv11_mc_intr[] = {
-	{ 0x03010000, NVKM_ENGINE_DISP },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
+static const struct nvkm_intr_data
+nv11_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x03010000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100, true },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
 	{}
 };
 
 static const struct nvkm_mc_func
 nv11_mc = {
 	.init = nv04_mc_init,
-	.intr = nv11_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = nv11_mc_intrs,
 	.reset = nv04_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv17.c

@@ -31,24 +31,22 @@ nv17_mc_reset[] = {
 	{}
 };
 
-const struct nvkm_mc_map
-nv17_mc_intr[] = {
-	{ 0x03010000, NVKM_ENGINE_DISP },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x00000001, NVKM_ENGINE_MPEG },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
+const struct nvkm_intr_data
+nv17_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x03010000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100, true },
+	{ NVKM_ENGINE_MPEG , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
 	{}
 };
 
 static const struct nvkm_mc_func
 nv17_mc = {
 	.init = nv04_mc_init,
-	.intr = nv17_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = nv17_mc_intrs,
 	.reset = nv17_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv44.c

@@ -40,10 +40,8 @@ nv44_mc_init(struct nvkm_mc *mc)
 static const struct nvkm_mc_func
 nv44_mc = {
 	.init = nv44_mc_init,
-	.intr = nv17_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = nv17_mc_intrs,
 	.reset = nv17_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/nv50.c

@@ -23,17 +23,17 @@
  */
 #include "priv.h"
 
-static const struct nvkm_mc_map
-nv50_mc_intr[] = {
-	{ 0x04000000, NVKM_ENGINE_DISP },
-	{ 0x00001000, NVKM_ENGINE_GR },
-	{ 0x00000100, NVKM_ENGINE_FIFO },
-	{ 0x00000001, NVKM_ENGINE_MPEG },
-	{ 0x00001101, NVKM_SUBDEV_FB },
-	{ 0x10000000, NVKM_SUBDEV_BUS },
-	{ 0x00200000, NVKM_SUBDEV_GPIO },
-	{ 0x00200000, NVKM_SUBDEV_I2C },
-	{ 0x00100000, NVKM_SUBDEV_TIMER },
+static const struct nvkm_intr_data
+nv50_mc_intrs[] = {
+	{ NVKM_ENGINE_DISP , 0, 0, 0x04000000, true },
+	{ NVKM_ENGINE_GR   , 0, 0, 0x00001000, true },
+	{ NVKM_ENGINE_FIFO , 0, 0, 0x00000100, true },
+	{ NVKM_ENGINE_MPEG , 0, 0, 0x00000001, true },
+	{ NVKM_SUBDEV_FB   , 0, 0, 0x00001101, true },
+	{ NVKM_SUBDEV_BUS  , 0, 0, 0x10000000, true },
+	{ NVKM_SUBDEV_GPIO , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_I2C  , 0, 0, 0x00200000, true },
+	{ NVKM_SUBDEV_TIMER, 0, 0, 0x00100000, true },
 	{},
 };
 
@@ -47,10 +47,8 @@ nv50_mc_init(struct nvkm_mc *mc)
 static const struct nvkm_mc_func
 nv50_mc = {
 	.init = nv50_mc_init,
-	.intr = nv50_mc_intr,
-	.intr_unarm = nv04_mc_intr_unarm,
-	.intr_rearm = nv04_mc_intr_rearm,
-	.intr_stat = nv04_mc_intr_stat,
+	.intr = &nv04_mc_intr,
+	.intrs = nv50_mc_intrs,
 	.reset = nv17_mc_reset,
 };
 

drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h

@@ -4,8 +4,6 @@
 #define nvkm_mc(p) container_of((p), struct nvkm_mc, subdev)
 #include <subdev/mc.h>
 
-void nvkm_mc_ctor(const struct nvkm_mc_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
-		  struct nvkm_mc *);
 int nvkm_mc_new_(const struct nvkm_mc_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
 		 struct nvkm_mc **);
 
@@ -18,46 +16,36 @@ struct nvkm_mc_map {
 
 struct nvkm_mc_func {
 	void (*init)(struct nvkm_mc *);
-	const struct nvkm_mc_map *intr;
-	/* disable reporting of interrupts to host */
-	void (*intr_unarm)(struct nvkm_mc *);
-	/* enable reporting of interrupts to host */
-	void (*intr_rearm)(struct nvkm_mc *);
-	/* (un)mask delivery of specific interrupts */
-	void (*intr_mask)(struct nvkm_mc *, u32 mask, u32 stat);
-	/* retrieve pending interrupt mask (NV_PMC_INTR) */
-	u32 (*intr_stat)(struct nvkm_mc *);
+
+	const struct nvkm_intr_func *intr;
+	const struct nvkm_intr_data *intrs;
+	bool intr_nonstall;
+
 	const struct nvkm_mc_map *reset;
 	void (*unk260)(struct nvkm_mc *, u32);
 };
 
 void nv04_mc_init(struct nvkm_mc *);
-void nv04_mc_intr_unarm(struct nvkm_mc *);
-void nv04_mc_intr_rearm(struct nvkm_mc *);
-u32 nv04_mc_intr_stat(struct nvkm_mc *);
+extern const struct nvkm_intr_func nv04_mc_intr;
+bool nv04_mc_intr_pending(struct nvkm_intr *);
+void nv04_mc_intr_unarm(struct nvkm_intr *);
+void nv04_mc_intr_rearm(struct nvkm_intr *);
 extern const struct nvkm_mc_map nv04_mc_reset[];
 
-extern const struct nvkm_mc_map nv17_mc_intr[];
+extern const struct nvkm_intr_data nv17_mc_intrs[];
 extern const struct nvkm_mc_map nv17_mc_reset[];
 
 void nv44_mc_init(struct nvkm_mc *);
 
 void nv50_mc_init(struct nvkm_mc *);
-void gk104_mc_init(struct nvkm_mc *);
 
-void gf100_mc_intr_unarm(struct nvkm_mc *);
-void gf100_mc_intr_rearm(struct nvkm_mc *);
-void gf100_mc_intr_mask(struct nvkm_mc *, u32, u32);
-u32 gf100_mc_intr_stat(struct nvkm_mc *);
+extern const struct nvkm_intr_func gt215_mc_intr;
 void gf100_mc_unk260(struct nvkm_mc *, u32);
-void gp100_mc_intr_unarm(struct nvkm_mc *);
-void gp100_mc_intr_rearm(struct nvkm_mc *);
-void gp100_mc_intr_mask(struct nvkm_mc *, u32, u32);
-int gp100_mc_new_(const struct nvkm_mc_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
-		  struct nvkm_mc **);
 
-extern const struct nvkm_mc_map gk104_mc_intr[];
+void gk104_mc_init(struct nvkm_mc *);
+extern const struct nvkm_intr_data gk104_mc_intrs[];
 extern const struct nvkm_mc_map gk104_mc_reset[];
 
-extern const struct nvkm_mc_map gp100_mc_intr[];
+extern const struct nvkm_intr_func gp100_mc_intr;
+extern const struct nvkm_intr_data gp100_mc_intrs[];
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/mc/tu102.c

-/*
- * Copyright 2018 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.
- */
-#define tu102_mc(p) container_of((p), struct tu102_mc, base)
-#include "priv.h"
-
-struct tu102_mc {
-	struct nvkm_mc base;
-	spinlock_t lock;
-	bool intr;
-	u32 mask;
-};
-
-static void
-tu102_mc_intr_update(struct tu102_mc *mc)
-{
-	struct nvkm_device *device = mc->base.subdev.device;
-	u32 mask = mc->intr ? mc->mask : 0, i;
-
-	for (i = 0; i < 2; i++) {
-		nvkm_wr32(device, 0x000180 + (i * 0x04), ~mask);
-		nvkm_wr32(device, 0x000160 + (i * 0x04),  mask);
-	}
-}
-
-static void
-tu102_mc_intr_unarm(struct nvkm_mc *base)
-{
-	struct tu102_mc *mc = tu102_mc(base);
-	unsigned long flags;
-
-	spin_lock_irqsave(&mc->lock, flags);
-	mc->intr = false;
-	tu102_mc_intr_update(mc);
-	spin_unlock_irqrestore(&mc->lock, flags);
-}
-
-static void
-tu102_mc_intr_rearm(struct nvkm_mc *base)
-{
-	struct tu102_mc *mc = tu102_mc(base);
-	unsigned long flags;
-
-	spin_lock_irqsave(&mc->lock, flags);
-	mc->intr = true;
-	tu102_mc_intr_update(mc);
-	spin_unlock_irqrestore(&mc->lock, flags);
-}
-
-static void
-tu102_mc_intr_mask(struct nvkm_mc *base, u32 mask, u32 intr)
-{
-	struct tu102_mc *mc = tu102_mc(base);
-	unsigned long flags;
-
-	spin_lock_irqsave(&mc->lock, flags);
-	mc->mask = (mc->mask & ~mask) | intr;
-	tu102_mc_intr_update(mc);
-	spin_unlock_irqrestore(&mc->lock, flags);
-}
-
-static u32
-tu102_mc_intr_stat(struct nvkm_mc *mc)
-{
-	struct nvkm_device *device = mc->subdev.device;
-	u32 intr0 = nvkm_rd32(device, 0x000100);
-	u32 intr1 = nvkm_rd32(device, 0x000104);
-
-	return intr0 | intr1;
-}
-
-
-static const struct nvkm_mc_func
-tu102_mc = {
-	.init = nv50_mc_init,
-	.intr = gp100_mc_intr,
-	.intr_unarm = tu102_mc_intr_unarm,
-	.intr_rearm = tu102_mc_intr_rearm,
-	.intr_mask = tu102_mc_intr_mask,
-	.intr_stat = tu102_mc_intr_stat,
-	.reset = gk104_mc_reset,
-};
-
-static int
-tu102_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device,
-	      enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
-{
-	struct tu102_mc *mc;
-
-	if (!(mc = kzalloc(sizeof(*mc), GFP_KERNEL)))
-		return -ENOMEM;
-	nvkm_mc_ctor(func, device, type, inst, &mc->base);
-	*pmc = &mc->base;
-
-	spin_lock_init(&mc->lock);
-	mc->intr = false;
-	mc->mask = 0x7fffffff;
-	return 0;
-}
-
-int
-tu102_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
-{
-	return tu102_mc_new_(&tu102_mc, device, type, inst, pmc);
-}