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path: root/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c109
1 files changed, 88 insertions, 21 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
index b4365dde1859..4f226afb5591 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c
@@ -27,6 +27,7 @@
#include <core/namedb.h>
#include <core/gpuobj.h>
#include <core/engctx.h>
+#include <core/event.h>
#include <core/class.h>
#include <core/math.h>
#include <core/enum.h>
@@ -149,7 +150,8 @@ nvc0_fifo_context_detach(struct nouveau_object *parent, bool suspend,
nv_wr32(priv, 0x002634, chan->base.chid);
if (!nv_wait(priv, 0x002634, 0xffffffff, chan->base.chid)) {
- nv_error(priv, "channel %d kick timeout\n", chan->base.chid);
+ nv_error(priv, "channel %d [%s] kick timeout\n",
+ chan->base.chid, nouveau_client_name(chan));
if (suspend)
return -EBUSY;
}
@@ -333,17 +335,17 @@ nvc0_fifo_cclass = {
******************************************************************************/
static const struct nouveau_enum nvc0_fifo_fault_unit[] = {
- { 0x00, "PGRAPH" },
+ { 0x00, "PGRAPH", NULL, NVDEV_ENGINE_GR },
{ 0x03, "PEEPHOLE" },
{ 0x04, "BAR1" },
{ 0x05, "BAR3" },
- { 0x07, "PFIFO" },
- { 0x10, "PBSP" },
- { 0x11, "PPPP" },
+ { 0x07, "PFIFO", NULL, NVDEV_ENGINE_FIFO },
+ { 0x10, "PBSP", NULL, NVDEV_ENGINE_BSP },
+ { 0x11, "PPPP", NULL, NVDEV_ENGINE_PPP },
{ 0x13, "PCOUNTER" },
- { 0x14, "PVP" },
- { 0x15, "PCOPY0" },
- { 0x16, "PCOPY1" },
+ { 0x14, "PVP", NULL, NVDEV_ENGINE_VP },
+ { 0x15, "PCOPY0", NULL, NVDEV_ENGINE_COPY0 },
+ { 0x16, "PCOPY1", NULL, NVDEV_ENGINE_COPY1 },
{ 0x17, "PDAEMON" },
{}
};
@@ -402,6 +404,9 @@ nvc0_fifo_isr_vm_fault(struct nvc0_fifo_priv *priv, int unit)
u32 vahi = nv_rd32(priv, 0x002808 + (unit * 0x10));
u32 stat = nv_rd32(priv, 0x00280c + (unit * 0x10));
u32 client = (stat & 0x00001f00) >> 8;
+ const struct nouveau_enum *en;
+ struct nouveau_engine *engine;
+ struct nouveau_object *engctx = NULL;
switch (unit) {
case 3: /* PEEPHOLE */
@@ -420,16 +425,26 @@ nvc0_fifo_isr_vm_fault(struct nvc0_fifo_priv *priv, int unit)
nv_error(priv, "%s fault at 0x%010llx [", (stat & 0x00000080) ?
"write" : "read", (u64)vahi << 32 | valo);
nouveau_enum_print(nvc0_fifo_fault_reason, stat & 0x0000000f);
- printk("] from ");
- nouveau_enum_print(nvc0_fifo_fault_unit, unit);
+ pr_cont("] from ");
+ en = nouveau_enum_print(nvc0_fifo_fault_unit, unit);
if (stat & 0x00000040) {
- printk("/");
+ pr_cont("/");
nouveau_enum_print(nvc0_fifo_fault_hubclient, client);
} else {
- printk("/GPC%d/", (stat & 0x1f000000) >> 24);
+ pr_cont("/GPC%d/", (stat & 0x1f000000) >> 24);
nouveau_enum_print(nvc0_fifo_fault_gpcclient, client);
}
- printk(" on channel 0x%010llx\n", (u64)inst << 12);
+
+ if (en && en->data2) {
+ engine = nouveau_engine(priv, en->data2);
+ if (engine)
+ engctx = nouveau_engctx_get(engine, inst);
+
+ }
+ pr_cont(" on channel 0x%010llx [%s]\n", (u64)inst << 12,
+ nouveau_client_name(engctx));
+
+ nouveau_engctx_put(engctx);
}
static int
@@ -484,10 +499,12 @@ nvc0_fifo_isr_subfifo_intr(struct nvc0_fifo_priv *priv, int unit)
if (show) {
nv_error(priv, "SUBFIFO%d:", unit);
nouveau_bitfield_print(nvc0_fifo_subfifo_intr, show);
- printk("\n");
- nv_error(priv, "SUBFIFO%d: ch %d subc %d mthd 0x%04x "
- "data 0x%08x\n",
- unit, chid, subc, mthd, data);
+ pr_cont("\n");
+ nv_error(priv,
+ "SUBFIFO%d: ch %d [%s] subc %d mthd 0x%04x data 0x%08x\n",
+ unit, chid,
+ nouveau_client_name_for_fifo_chid(&priv->base, chid),
+ subc, mthd, data);
}
nv_wr32(priv, 0x0400c0 + (unit * 0x2000), 0x80600008);
@@ -501,12 +518,34 @@ nvc0_fifo_intr(struct nouveau_subdev *subdev)
u32 mask = nv_rd32(priv, 0x002140);
u32 stat = nv_rd32(priv, 0x002100) & mask;
+ if (stat & 0x00000001) {
+ u32 intr = nv_rd32(priv, 0x00252c);
+ nv_warn(priv, "INTR 0x00000001: 0x%08x\n", intr);
+ nv_wr32(priv, 0x002100, 0x00000001);
+ stat &= ~0x00000001;
+ }
+
if (stat & 0x00000100) {
- nv_warn(priv, "unknown status 0x00000100\n");
+ u32 intr = nv_rd32(priv, 0x00254c);
+ nv_warn(priv, "INTR 0x00000100: 0x%08x\n", intr);
nv_wr32(priv, 0x002100, 0x00000100);
stat &= ~0x00000100;
}
+ if (stat & 0x00010000) {
+ u32 intr = nv_rd32(priv, 0x00256c);
+ nv_warn(priv, "INTR 0x00010000: 0x%08x\n", intr);
+ nv_wr32(priv, 0x002100, 0x00010000);
+ stat &= ~0x00010000;
+ }
+
+ if (stat & 0x01000000) {
+ u32 intr = nv_rd32(priv, 0x00258c);
+ nv_warn(priv, "INTR 0x01000000: 0x%08x\n", intr);
+ nv_wr32(priv, 0x002100, 0x01000000);
+ stat &= ~0x01000000;
+ }
+
if (stat & 0x10000000) {
u32 units = nv_rd32(priv, 0x00259c);
u32 u = units;
@@ -536,11 +575,20 @@ nvc0_fifo_intr(struct nouveau_subdev *subdev)
}
if (stat & 0x40000000) {
- nv_warn(priv, "unknown status 0x40000000\n");
- nv_mask(priv, 0x002a00, 0x00000000, 0x00000000);
+ u32 intr0 = nv_rd32(priv, 0x0025a4);
+ u32 intr1 = nv_mask(priv, 0x002a00, 0x00000000, 0x00000);
+ nv_debug(priv, "INTR 0x40000000: 0x%08x 0x%08x\n",
+ intr0, intr1);
stat &= ~0x40000000;
}
+ if (stat & 0x80000000) {
+ u32 intr = nv_mask(priv, 0x0025a8, 0x00000000, 0x00000000);
+ nouveau_event_trigger(priv->base.uevent, 0);
+ nv_debug(priv, "INTR 0x80000000: 0x%08x\n", intr);
+ stat &= ~0x80000000;
+ }
+
if (stat) {
nv_fatal(priv, "unhandled status 0x%08x\n", stat);
nv_wr32(priv, 0x002100, stat);
@@ -548,6 +596,20 @@ nvc0_fifo_intr(struct nouveau_subdev *subdev)
}
}
+static void
+nvc0_fifo_uevent_enable(struct nouveau_event *event, int index)
+{
+ struct nvc0_fifo_priv *priv = event->priv;
+ nv_mask(priv, 0x002140, 0x80000000, 0x80000000);
+}
+
+static void
+nvc0_fifo_uevent_disable(struct nouveau_event *event, int index)
+{
+ struct nvc0_fifo_priv *priv = event->priv;
+ nv_mask(priv, 0x002140, 0x80000000, 0x00000000);
+}
+
static int
nvc0_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
@@ -581,6 +643,10 @@ nvc0_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
if (ret)
return ret;
+ priv->base.uevent->enable = nvc0_fifo_uevent_enable;
+ priv->base.uevent->disable = nvc0_fifo_uevent_disable;
+ priv->base.uevent->priv = priv;
+
nv_subdev(priv)->unit = 0x00000100;
nv_subdev(priv)->intr = nvc0_fifo_intr;
nv_engine(priv)->cclass = &nvc0_fifo_cclass;
@@ -639,7 +705,8 @@ nvc0_fifo_init(struct nouveau_object *object)
nv_wr32(priv, 0x002a00, 0xffffffff); /* clears PFIFO.INTR bit 30 */
nv_wr32(priv, 0x002100, 0xffffffff);
- nv_wr32(priv, 0x002140, 0xbfffffff);
+ nv_wr32(priv, 0x002140, 0x3fffffff);
+ nv_wr32(priv, 0x002628, 0x00000001); /* makes mthd 0x20 work */
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.