drm/nouveau/fifo/gk104-: fix parsing of mmu fault data

Pascal was particularly incorrect, as the register changed to be more in the
same format as the MMU fault buffers are.

Shouldn't have impacted much more than confusing MMU fault log messages.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

10 files changed, 67 insertions, 26 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
index ac9abcc1470a..5d4b695cab8e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.c
@@ -646,31 +646,6 @@ gk104_fifo_intr_dropped_fault(struct gk104_fifo *fifo)
 	nvkm_error(subdev, "DROPPED_MMU_FAULT %08x\n", stat);
 }
 
-static void
-gk104_fifo_intr_fault(struct gk104_fifo *fifo, int unit)
-{
-	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	u32 inst = nvkm_rd32(device, 0x002800 + (unit * 0x10));
-	u32 valo = nvkm_rd32(device, 0x002804 + (unit * 0x10));
-	u32 vahi = nvkm_rd32(device, 0x002808 + (unit * 0x10));
-	u32 type = nvkm_rd32(device, 0x00280c + (unit * 0x10));
-	struct nvkm_fault_data info;
-
-	info.inst   =  (u64)inst << 12;
-	info.addr   = ((u64)vahi << 32) | valo;
-	info.time   = 0;
-	info.engine = unit;
-	info.valid  = 1;
-	info.gpc    = (type & 0x1f000000) >> 24;
-	info.client = (type & 0x00001f00) >> 8;
-	info.access = (type & 0x00000080) >> 7;
-	info.hub    = (type & 0x00000040) >> 6;
-	info.reason = (type & 0x0000001f);
-
-	nvkm_fifo_fault(&fifo->base, &info);
-}
-
 static const struct nvkm_bitfield gk104_fifo_pbdma_intr_0[] = {
 	{ 0x00000001, "MEMREQ" },
 	{ 0x00000002, "MEMACK_TIMEOUT" },
@@ -849,7 +824,7 @@ gk104_fifo_intr(struct nvkm_fifo *base)
 		u32 mask = nvkm_rd32(device, 0x00259c);
 		while (mask) {
 			u32 unit = __ffs(mask);
-			gk104_fifo_intr_fault(fifo, unit);
+			fifo->func->intr.fault(&fifo->base, unit);
 			nvkm_wr32(device, 0x00259c, (1 << unit));
 			mask &= ~(1 << unit);
 		}
@@ -1204,6 +1179,7 @@ gk104_fifo_fault_gpcclient[] = {
 
 static const struct gk104_fifo_func
 gk104_fifo = {
+	.intr.fault = gf100_fifo_intr_fault,
 	.pbdma = &gk104_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gk104_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
index c33f4593cbc6..6407a4a174cf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h
@@ -45,6 +45,10 @@ struct gk104_fifo {
 };
 
 struct gk104_fifo_func {
+	struct {
+		void (*fault)(struct nvkm_fifo *, int unit);
+	} intr;
+
 	const struct gk104_fifo_pbdma_func {
 		int (*nr)(struct gk104_fifo *);
 		void (*init)(struct gk104_fifo *);
@@ -110,12 +114,14 @@ void gk110_fifo_runlist_cgrp(struct nvkm_fifo_cgrp *,
 extern const struct gk104_fifo_pbdma_func gk208_fifo_pbdma;
 void gk208_fifo_pbdma_init_timeout(struct gk104_fifo *);
 
+void gm107_fifo_intr_fault(struct nvkm_fifo *, int);
 extern const struct nvkm_enum gm107_fifo_fault_engine[];
 extern const struct gk104_fifo_runlist_func gm107_fifo_runlist;
 
 extern const struct gk104_fifo_pbdma_func gm200_fifo_pbdma;
 int gm200_fifo_pbdma_nr(struct gk104_fifo *);
 
+void gp100_fifo_intr_fault(struct nvkm_fifo *, int);
 extern const struct nvkm_enum gp100_fifo_fault_engine[];
 
 extern const struct nvkm_enum gv100_fifo_fault_access[];
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c
index 8adfa6b182cb..f820969e4405 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk110.c
@@ -48,6 +48,7 @@ gk110_fifo_runlist = {
 
 static const struct gk104_fifo_func
 gk110_fifo = {
+	.intr.fault = gf100_fifo_intr_fault,
 	.pbdma = &gk104_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gk104_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c
index 9553fb4af601..2f54787b5fd0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk208.c
@@ -45,6 +45,7 @@ gk208_fifo_pbdma = {
 
 static const struct gk104_fifo_func
 gk208_fifo = {
+	.intr.fault = gf100_fifo_intr_fault,
 	.pbdma = &gk208_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gk104_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c
index a4c6ac3cd6c7..a814c4e0ed3e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk20a.c
@@ -26,6 +26,7 @@
 
 static const struct gk104_fifo_func
 gk20a_fifo = {
+	.intr.fault = gf100_fifo_intr_fault,
 	.pbdma = &gk208_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gk104_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c
index acf230764cb0..c2a2e4572f6c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm107.c
@@ -25,6 +25,7 @@
 #include "changk104.h"
 
 #include <core/gpuobj.h>
+#include <subdev/fault.h>
 
 #include <nvif/class.h>
 
@@ -67,8 +68,33 @@ gm107_fifo_fault_engine[] = {
 	{}
 };
 
+void
+gm107_fifo_intr_fault(struct nvkm_fifo *fifo, int unit)
+{
+	struct nvkm_device *device = fifo->engine.subdev.device;
+	u32 inst = nvkm_rd32(device, 0x002800 + (unit * 0x10));
+	u32 valo = nvkm_rd32(device, 0x002804 + (unit * 0x10));
+	u32 vahi = nvkm_rd32(device, 0x002808 + (unit * 0x10));
+	u32 type = nvkm_rd32(device, 0x00280c + (unit * 0x10));
+	struct nvkm_fault_data info;
+
+	info.inst   =  (u64)inst << 12;
+	info.addr   = ((u64)vahi << 32) | valo;
+	info.time   = 0;
+	info.engine = unit;
+	info.valid  = 1;
+	info.gpc    = (type & 0x1f000000) >> 24;
+	info.client = (type & 0x00003f00) >> 8;
+	info.access = (type & 0x00000080) >> 7;
+	info.hub    = (type & 0x00000040) >> 6;
+	info.reason = (type & 0x0000000f);
+
+	nvkm_fifo_fault(fifo, &info);
+}
+
 static const struct gk104_fifo_func
 gm107_fifo = {
+	.intr.fault = gm107_fifo_intr_fault,
 	.pbdma = &gk208_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gm107_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c
index b96c1c5d6577..b8cfe3b28c4f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm200.c
@@ -42,6 +42,7 @@ gm200_fifo_pbdma = {
 
 static const struct gk104_fifo_func
 gm200_fifo = {
+	.intr.fault = gm107_fifo_intr_fault,
 	.pbdma = &gm200_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gm107_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c
index a49539b9e4ec..70b4feebc1fa 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gm20b.c
@@ -26,6 +26,7 @@
 
 static const struct gk104_fifo_func
 gm20b_fifo = {
+	.intr.fault = gm107_fifo_intr_fault,
 	.pbdma = &gm200_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gm107_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c
index 54377e0f6a88..2c7a0176b3c8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp100.c
@@ -24,6 +24,8 @@
 #include "gk104.h"
 #include "changk104.h"
 
+#include <subdev/fault.h>
+
 #include <nvif/class.h>
 
 const struct nvkm_enum
@@ -50,8 +52,33 @@ gp100_fifo_fault_engine[] = {
 	{}
 };
 
+void
+gp100_fifo_intr_fault(struct nvkm_fifo *fifo, int unit)
+{
+	struct nvkm_device *device = fifo->engine.subdev.device;
+	u32 inst = nvkm_rd32(device, 0x002800 + (unit * 0x10));
+	u32 valo = nvkm_rd32(device, 0x002804 + (unit * 0x10));
+	u32 vahi = nvkm_rd32(device, 0x002808 + (unit * 0x10));
+	u32 type = nvkm_rd32(device, 0x00280c + (unit * 0x10));
+	struct nvkm_fault_data info;
+
+	info.inst   =  (u64)inst << 12;
+	info.addr   = ((u64)vahi << 32) | valo;
+	info.time   = 0;
+	info.engine = unit;
+	info.valid  = 1;
+	info.gpc    = (type & 0x1f000000) >> 24;
+	info.hub    = (type & 0x00100000) >> 20;
+	info.access = (type & 0x00070000) >> 16;
+	info.client = (type & 0x00007f00) >> 8;
+	info.reason = (type & 0x0000001f);
+
+	nvkm_fifo_fault(fifo, &info);
+}
+
 static const struct gk104_fifo_func
 gp100_fifo = {
+	.intr.fault = gp100_fifo_intr_fault,
 	.pbdma = &gm200_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gp100_fifo_fault_engine,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c
index 778ba7e46fb3..8c65ad4feedb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gp10b.c
@@ -26,6 +26,7 @@
 
 static const struct gk104_fifo_func
 gp10b_fifo = {
+	.intr.fault = gp100_fifo_intr_fault,
 	.pbdma = &gm200_fifo_pbdma,
 	.fault.access = gk104_fifo_fault_access,
 	.fault.engine = gp100_fifo_fault_engine,