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Ben Skeggs

2023-May-25 00:30 UTC

[Nouveau] [PATCH 01/10] drm/nouveau/nvkm: fini object children in reverse order

From: Ben Skeggs <bskeggs at redhat.com>

Turns out, we're currently tearing down the disp core channel *before*
the satellite channels (wndw, etc) during suspend.

This makes RM return NV_ERR_NOT_SUPPORTED on attempting to reallocate
the core channel on resume for some reason, but we probably shouldn't
be doing it on HW either.

Tear down children in the reverse of allocation order instead.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/nvkm/core/object.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/core/object.c
b/drivers/gpu/drm/nouveau/nvkm/core/object.c
index 301a5e5b5f7f..7c554c14e884 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/object.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/object.c
@@ -185,7 +185,7 @@ nvkm_object_fini(struct nvkm_object *object, bool suspend)
 
 	nvif_debug(object, "%s children...\n", action);
 	time = ktime_to_us(ktime_get());
-	list_for_each_entry(child, &object->tree, head) {
+	list_for_each_entry_reverse(child, &object->tree, head) {
 		ret = nvkm_object_fini(child, suspend);
 		if (ret && suspend)
 			goto fail_child;
-- 
2.40.1

Ben Skeggs

2023-May-25 00:30 UTC

head link

[Nouveau] [PATCH 02/10] drm/nouveau/nvkm: punt spurious irq messages to debug level

From: Ben Skeggs <bskeggs at redhat.com>

This can be completely normal in some situations (ie. non-stall intrs
when nothing is waiting on them).

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/nvkm/core/intr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/core/intr.c
b/drivers/gpu/drm/nouveau/nvkm/core/intr.c
index e20b7ca218c3..36a747f0039e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/intr.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/intr.c
@@ -212,8 +212,8 @@ nvkm_intr(int irq, void *arg)
 		list_for_each_entry(intr, &device->intr.intr, head) {
 			for (leaf = 0; leaf < intr->leaves; leaf++) {
 				if (intr->stat[leaf]) {
-					nvkm_warn(intr->subdev, "intr%d: %08x\n",
-						  leaf, intr->stat[leaf]);
+					nvkm_debug(intr->subdev, "intr%d: %08x\n",
+						   leaf, intr->stat[leaf]);
 					nvkm_intr_block_locked(intr, leaf, intr->stat[leaf]);
 				}
 			}
-- 
2.40.1

Ben Skeggs

2023-May-25 00:30 UTC

head link

[Nouveau] [PATCH 03/10] drm/nouveau/fb/gp102-ga100: switch to simpler vram size detection method

From: Ben Skeggs <bskeggs at redhat.com>

Also exposes this for use by upcoming GSP-RM initialisation code.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 .../gpu/drm/nouveau/include/nvkm/subdev/fb.h  |  1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild |  1 +
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c | 12 +++++
 .../gpu/drm/nouveau/nvkm/subdev/fb/ga100.c    |  3 +-
 .../gpu/drm/nouveau/nvkm/subdev/fb/gp102.c    | 17 ++++++-
 .../gpu/drm/nouveau/nvkm/subdev/fb/gv100.c    |  3 +-
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h |  5 ++
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h  |  1 +
 .../gpu/drm/nouveau/nvkm/subdev/fb/ramgp102.c | 50 +++++++++++++++++++
 .../gpu/drm/nouveau/nvkm/subdev/fb/tu102.c    |  3 +-
 10 files changed, 92 insertions(+), 4 deletions(-)
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp102.c

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
index 01a22a13b452..1755b0df3cc1 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h
@@ -59,6 +59,7 @@ struct nvkm_fb {
 	struct nvkm_memory *mmu_wr;
 };
 
+u64 nvkm_fb_vidmem_size(struct nvkm_device *);
 int nvkm_fb_mem_unlock(struct nvkm_fb *);
 
 void nvkm_fb_tile_init(struct nvkm_fb *, int region, u32 addr, u32 size,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
index 6ba5120a2ebe..11dbfc4a381a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
@@ -55,6 +55,7 @@ nvkm-y += nvkm/subdev/fb/ramgk104.o
 nvkm-y += nvkm/subdev/fb/ramgm107.o
 nvkm-y += nvkm/subdev/fb/ramgm200.o
 nvkm-y += nvkm/subdev/fb/ramgp100.o
+nvkm-y += nvkm/subdev/fb/ramgp102.o
 nvkm-y += nvkm/subdev/fb/ramga102.o
 nvkm-y += nvkm/subdev/fb/sddr2.o
 nvkm-y += nvkm/subdev/fb/sddr3.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
index 0955340cc421..8a286a9349ac 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/base.c
@@ -174,6 +174,18 @@ nvkm_fb_mem_unlock(struct nvkm_fb *fb)
 	return 0;
 }
 
+u64
+nvkm_fb_vidmem_size(struct nvkm_device *device)
+{
+	struct nvkm_fb *fb = device->fb;
+
+	if (fb && fb->func->vidmem.size)
+		return fb->func->vidmem.size(fb);
+
+	WARN_ON(1);
+	return 0;
+}
+
 static int
 nvkm_fb_init(struct nvkm_subdev *subdev)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga100.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga100.c
index a7456e786463..12037fd4fdf2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga100.c
@@ -30,7 +30,8 @@ ga100_fb = {
 	.init_page = gv100_fb_init_page,
 	.init_unkn = gp100_fb_init_unkn,
 	.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
-	.ram_new = gp100_ram_new,
+	.vidmem.size = gp102_fb_vidmem_size,
+	.ram_new = gp102_ram_new,
 	.default_bigpage = 16,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
index 14d942e8b857..534553c64805 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
@@ -40,6 +40,20 @@ gp102_fb_vpr_scrub_required(struct nvkm_fb *fb)
 	return (nvkm_rd32(device, 0x100cd0) & 0x00000010) != 0;
 }
 
+u64
+gp102_fb_vidmem_size(struct nvkm_fb *fb)
+{
+	const u32 data = nvkm_rd32(fb->subdev.device, 0x100ce0);
+	const u32 lmag = (data & 0x000003f0) >> 4;
+	const u32 lsca = (data & 0x0000000f);
+	const u64 size = (u64)lmag << (lsca + 20);
+
+	if (data & 0x40000000)
+		return size / 16 * 15;
+
+	return size;
+}
+
 int
 gp102_fb_oneinit(struct nvkm_fb *fb)
 {
@@ -59,9 +73,10 @@ gp102_fb = {
 	.init_remapper = gp100_fb_init_remapper,
 	.init_page = gm200_fb_init_page,
 	.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
+	.vidmem.size = gp102_fb_vidmem_size,
 	.vpr.scrub_required = gp102_fb_vpr_scrub_required,
 	.vpr.scrub = gp102_fb_vpr_scrub,
-	.ram_new = gp100_ram_new,
+	.ram_new = gp102_ram_new,
 };
 
 int
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c
index 4d8a286a7a34..f422564bee5b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gv100.c
@@ -36,9 +36,10 @@ gv100_fb = {
 	.init_page = gv100_fb_init_page,
 	.init_unkn = gp100_fb_init_unkn,
 	.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
+	.vidmem.size = gp102_fb_vidmem_size,
 	.vpr.scrub_required = gp102_fb_vpr_scrub_required,
 	.vpr.scrub = gp102_fb_vpr_scrub,
-	.ram_new = gp100_ram_new,
+	.ram_new = gp102_ram_new,
 	.default_bigpage = 16,
 };
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
index 726c30c8bf95..77d6a8c10829 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h
@@ -20,6 +20,10 @@ struct nvkm_fb_func {
 		void (*flush_page_init)(struct nvkm_fb *);
 	} sysmem;
 
+	struct nvkm_fb_func_vidmem {
+		u64 (*size)(struct nvkm_fb *);
+	} vidmem;
+
 	struct {
 		bool (*scrub_required)(struct nvkm_fb *);
 		int (*scrub)(struct nvkm_fb *);
@@ -84,6 +88,7 @@ void gp100_fb_init_remapper(struct nvkm_fb *);
 void gp100_fb_init_unkn(struct nvkm_fb *);
 
 int gp102_fb_oneinit(struct nvkm_fb *);
+u64 gp102_fb_vidmem_size(struct nvkm_fb *);
 bool gp102_fb_vpr_scrub_required(struct nvkm_fb *);
 int gp102_fb_vpr_scrub(struct nvkm_fb *);
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
index ea7d66f3dd82..33d4ab8d92e6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
@@ -70,5 +70,6 @@ int gk104_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gm107_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gm200_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gp100_ram_new(struct nvkm_fb *, struct nvkm_ram **);
+int gp102_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int ga102_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp102.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp102.c
new file mode 100644
index 000000000000..ee541b049fc5
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgp102.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2023 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 "ram.h"
+
+#include <subdev/bios.h>
+
+static const struct nvkm_ram_func
+gp102_ram = {
+};
+
+int
+gp102_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
+{
+	enum nvkm_ram_type type = nvkm_fb_bios_memtype(fb->subdev.device->bios);
+	const u32 rsvd_head = ( 256 * 1024); /* vga memory */
+	const u32 rsvd_tail = (1024 * 1024); /* vbios etc */
+	u64 size = fb->func->vidmem.size(fb);
+	int ret;
+
+	ret = nvkm_ram_new_(&gp102_ram, fb, type, size, pram);
+	if (ret)
+		return ret;
+
+	nvkm_mm_fini(&(*pram)->vram);
+
+	return nvkm_mm_init(&(*pram)->vram, NVKM_RAM_MM_NORMAL,
+			    rsvd_head >> NVKM_RAM_MM_SHIFT,
+			    (size - rsvd_head - rsvd_tail) >> NVKM_RAM_MM_SHIFT,
+			    1);
+
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/tu102.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/tu102.c
index b8803c124c3b..bcc23d4c8115 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/tu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/tu102.c
@@ -36,9 +36,10 @@ tu102_fb = {
 	.init_page = gv100_fb_init_page,
 	.init_unkn = gp100_fb_init_unkn,
 	.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
+	.vidmem.size = gp102_fb_vidmem_size,
 	.vpr.scrub_required = tu102_fb_vpr_scrub_required,
 	.vpr.scrub = gp102_fb_vpr_scrub,
-	.ram_new = gp100_ram_new,
+	.ram_new = gp102_ram_new,
 	.default_bigpage = 16,
 };
 
-- 
2.40.1

Ben Skeggs

2023-May-25 00:31 UTC

head link

[Nouveau] [PATCH 04/10] drm/nouveau/fb/ga102-: construct vidmem heap via new gp102 paths

From: Ben Skeggs <bskeggs at redhat.com>

No need for custom implementation anymore.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild |  1 -
 .../gpu/drm/nouveau/nvkm/subdev/fb/ga102.c    |  9 ++++-
 drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h  |  1 -
 .../gpu/drm/nouveau/nvkm/subdev/fb/ramga102.c | 40 -------------------
 4 files changed, 8 insertions(+), 43 deletions(-)
 delete mode 100644 drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramga102.c

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
index 11dbfc4a381a..394c305e759a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/Kbuild
@@ -56,7 +56,6 @@ nvkm-y += nvkm/subdev/fb/ramgm107.o
 nvkm-y += nvkm/subdev/fb/ramgm200.o
 nvkm-y += nvkm/subdev/fb/ramgp100.o
 nvkm-y += nvkm/subdev/fb/ramgp102.o
-nvkm-y += nvkm/subdev/fb/ramga102.o
 nvkm-y += nvkm/subdev/fb/sddr2.o
 nvkm-y += nvkm/subdev/fb/sddr3.o
 nvkm-y += nvkm/subdev/fb/gddr3.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga102.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga102.c
index dd476e079fe1..76f6877b54c6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ga102.c
@@ -24,6 +24,12 @@
 
 #include <engine/nvdec.h>
 
+static u64
+ga102_fb_vidmem_size(struct nvkm_fb *fb)
+{
+	return (u64)nvkm_rd32(fb->subdev.device, 0x1183a4) << 20;
+}
+
 static int
 ga102_fb_oneinit(struct nvkm_fb *fb)
 {
@@ -43,7 +49,8 @@ ga102_fb = {
 	.init_page = gv100_fb_init_page,
 	.init_unkn = gp100_fb_init_unkn,
 	.sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init,
-	.ram_new = ga102_ram_new,
+	.vidmem.size = ga102_fb_vidmem_size,
+	.ram_new = gp102_ram_new,
 	.default_bigpage = 16,
 	.vpr.scrub_required = tu102_fb_vpr_scrub_required,
 	.vpr.scrub = gp102_fb_vpr_scrub,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
index 33d4ab8d92e6..50f0c1914f58 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h
@@ -71,5 +71,4 @@ int gm107_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gm200_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gp100_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 int gp102_ram_new(struct nvkm_fb *, struct nvkm_ram **);
-int ga102_ram_new(struct nvkm_fb *, struct nvkm_ram **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramga102.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramga102.c
deleted file mode 100644
index 298c136cefe0..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramga102.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright 2021 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 "ram.h"
-
-#include <subdev/bios.h>
-#include <subdev/bios/init.h>
-#include <subdev/bios/rammap.h>
-
-static const struct nvkm_ram_func
-ga102_ram = {
-};
-
-int
-ga102_ram_new(struct nvkm_fb *fb, struct nvkm_ram **pram)
-{
-	struct nvkm_device *device = fb->subdev.device;
-	enum nvkm_ram_type type = nvkm_fb_bios_memtype(device->bios);
-	u32 size = nvkm_rd32(device, 0x1183a4);
-
-	return nvkm_ram_new_(&ga102_ram, fb, type, (u64)size << 20, pram);
-}
-- 
2.40.1

Ben Skeggs

2023-May-25 00:31 UTC

head link

[Nouveau] [PATCH 05/10] drm/nouveau/fifo: remove left-over references to nvkm_fifo_chan

From: Ben Skeggs <bskeggs at redhat.com>

This was renamed to nvkm_chan in the host rework.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/include/nvkm/core/engine.h   | 5 ++---
 drivers/gpu/drm/nouveau/include/nvkm/core/os.h       | 5 -----
 drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c        | 3 +--
 drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c       | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h        | 4 ++--
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h        | 4 ++--
 drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c      | 3 +--
 drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h      | 4 ++--
 drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c      | 5 ++---
 drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h      | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c        | 3 +--
 drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h        | 4 ++--
 drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c       | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c        | 2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h        | 2 +-
 32 files changed, 37 insertions(+), 47 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
index b67b9c1a6b4e..8041fe03237e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
@@ -3,7 +3,7 @@
 #define __NVKM_ENGINE_H__
 #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev)
 #include <core/subdev.h>
-struct nvkm_fifo_chan;
+struct nvkm_chan;
 struct nvkm_fb_tile;
 
 extern const struct nvkm_subdev_func nvkm_engine;
@@ -32,8 +32,7 @@ struct nvkm_engine_func {
 	} base;
 
 	struct {
-		int (*cclass)(struct nvkm_fifo_chan *,
-			      const struct nvkm_oclass *,
+		int (*cclass)(struct nvkm_chan *, const struct nvkm_oclass *,
 			      struct nvkm_object **);
 		int (*sclass)(struct nvkm_oclass *, int index);
 	} fifo;
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
index 4486d9862849..3fd5c007a663 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h
@@ -49,9 +49,4 @@ nvkm_blob_dtor(struct nvkm_blob *blob)
 	(p = container_of((h), typeof(*p), m), nvkm_list_find_next(p, (h), m, (c)))
 #define nvkm_list_foreach(p,h,m,c)                                             
\
 	for (p = nvkm_list_find(p, (h), m, (c)); p; p = nvkm_list_find_next(p, (h), m,
(c)))
-
-/*FIXME: remove after */
-#define nvkm_fifo_chan nvkm_chan
-#define nvkm_fifo_chan_func nvkm_chan_func
-#define nvkm_fifo_cgrp nvkm_cgrp
 #endif
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
index cd86d9198e4a..b7bb8a29a729 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
@@ -3,7 +3,7 @@
 #define __NVKM_FLCNEN_H__
 #define nvkm_falcon(p) container_of((p), struct nvkm_falcon, engine)
 #include <core/engine.h>
-struct nvkm_fifo_chan;
+struct nvkm_chan;
 
 enum nvkm_falcon_dmaidx {
 	FALCON_DMAIDX_UCODE		= 0,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
index c4c046916fa6..53ba2abe0bf5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
@@ -3,7 +3,7 @@
 #define __NVKM_CE_PRIV_H__
 #include <engine/ce.h>
 
-void gt215_ce_intr(struct nvkm_falcon *, struct nvkm_fifo_chan *);
+void gt215_ce_intr(struct nvkm_falcon *, struct nvkm_chan *);
 void gk104_ce_intr(struct nvkm_engine *);
 void gp100_ce_intr(struct nvkm_engine *);
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
index 71b824e6da9d..5653fbf785e1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
@@ -109,8 +109,7 @@ nvkm_gr_oclass_get(struct nvkm_oclass *oclass, int index)
 }
 
 static int
-nvkm_gr_cclass_new(struct nvkm_fifo_chan *chan,
-		   const struct nvkm_oclass *oclass,
+nvkm_gr_cclass_new(struct nvkm_chan *chan, const struct nvkm_oclass *oclass,
 		   struct nvkm_object **pobject)
 {
 	struct nvkm_gr *gr = nvkm_gr(oclass->engine);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 5f20079c3660..29afec9a55bf 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -374,7 +374,7 @@ gf100_gr_chan = {
 };
 
 static int
-gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		  const struct nvkm_oclass *oclass,
 		  struct nvkm_object **pobject)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c
index 81bd682c2102..ca822f07b63e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv04.c
@@ -1181,7 +1181,7 @@ nv04_gr_chan = {
 };
 
 static int
-nv04_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv04_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv04_gr *gr = nv04_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c
index 7fe6e58f6bab..92ef7c9b2910 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.c
@@ -999,7 +999,7 @@ nv10_gr_chan = {
 	} while (0)
 
 int
-nv10_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv10_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv10_gr *gr = nv10_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h
index 5cfe927c9123..b86090c08060 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h
@@ -9,6 +9,6 @@ int nv10_gr_init(struct nvkm_gr *);
 void nv10_gr_intr(struct nvkm_gr *);
 void nv10_gr_tile(struct nvkm_gr *, int, struct nvkm_fb_tile *);
 
-int nv10_gr_chan_new(struct nvkm_gr *, struct nvkm_fifo_chan *,
+int nv10_gr_chan_new(struct nvkm_gr *, struct nvkm_chan *,
 		     const struct nvkm_oclass *, struct nvkm_object **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
index 75434f5de7ad..02a8c62a0a32 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c
@@ -72,7 +72,7 @@ nv20_gr_chan = {
 };
 
 static int
-nv20_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv20_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv20_gr *gr = nv20_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
index 94685e4d4f87..d6bc6904dcc8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c
@@ -18,7 +18,7 @@ nv25_gr_chan = {
 };
 
 static int
-nv25_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv25_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv20_gr *gr = nv20_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
index 2d6273675291..e5a351b51eb9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c
@@ -18,7 +18,7 @@ nv2a_gr_chan = {
 };
 
 static int
-nv2a_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv2a_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv20_gr *gr = nv20_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
index 647bd6fede04..80370323755e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c
@@ -19,7 +19,7 @@ nv30_gr_chan = {
 };
 
 static int
-nv30_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv30_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv20_gr *gr = nv20_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
index 2eae3fe4ef4e..cdf043bbdd59 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c
@@ -18,7 +18,7 @@ nv34_gr_chan = {
 };
 
 static int
-nv34_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv34_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv20_gr *gr = nv20_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
index 657d7cdba369..fa5a6ccb871d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c
@@ -18,7 +18,7 @@ nv35_gr_chan = {
 };
 
 static int
-nv35_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv35_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv20_gr *gr = nv20_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c
index d2df097a6cf6..a5e1f02791b4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.c
@@ -145,7 +145,7 @@ nv40_gr_chan = {
 };
 
 int
-nv40_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv40_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv40_gr *gr = nv40_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
index f3d3d3a5ae5b..84fbc99139e5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h
@@ -22,12 +22,12 @@ u64 nv40_gr_units(struct nvkm_gr *);
 struct nv40_gr_chan {
 	struct nvkm_object object;
 	struct nv40_gr *gr;
-	struct nvkm_fifo_chan *fifo;
+	struct nvkm_chan *fifo;
 	u32 inst;
 	struct list_head head;
 };
 
-int nv40_gr_chan_new(struct nvkm_gr *, struct nvkm_fifo_chan *,
+int nv40_gr_chan_new(struct nvkm_gr *, struct nvkm_chan *,
 		     const struct nvkm_oclass *, struct nvkm_object **);
 
 extern const struct nvkm_object_func nv40_gr_object;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.c
index 1ba18a8e380f..c8a0288c092d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.c
@@ -86,7 +86,7 @@ nv50_gr_chan = {
 };
 
 int
-nv50_gr_chan_new(struct nvkm_gr *base, struct nvkm_fifo_chan *fifoch,
+nv50_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv50_gr *gr = nv50_gr(base);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h
index 84388c42e5c6..97ead0042357 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h
@@ -27,7 +27,7 @@ struct nv50_gr_chan {
 	struct nv50_gr *gr;
 };
 
-int nv50_gr_chan_new(struct nvkm_gr *, struct nvkm_fifo_chan *,
+int nv50_gr_chan_new(struct nvkm_gr *, struct nvkm_chan *,
 		     const struct nvkm_oclass *, struct nvkm_object **);
 
 extern const struct nvkm_object_func nv50_gr_object;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
index 08d5c96e6458..6ec8b94854c0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
@@ -5,7 +5,7 @@
 #include <engine/gr.h>
 #include <core/enum.h>
 struct nvkm_fb_tile;
-struct nvkm_fifo_chan;
+struct nvkm_chan;
 
 int nvkm_gr_ctor(const struct nvkm_gr_func *, struct nvkm_device *, enum
nvkm_subdev_type, int,
 		 bool enable, struct nvkm_gr *);
@@ -21,7 +21,7 @@ struct nvkm_gr_func {
 	void (*intr)(struct nvkm_gr *);
 	void (*tile)(struct nvkm_gr *, int region, struct nvkm_fb_tile *);
 	int (*tlb_flush)(struct nvkm_gr *);
-	int (*chan_new)(struct nvkm_gr *, struct nvkm_fifo_chan *,
+	int (*chan_new)(struct nvkm_gr *, struct nvkm_chan *,
 			const struct nvkm_oclass *, struct nvkm_object **);
 	int (*object_get)(struct nvkm_gr *, int, struct nvkm_sclass *);
 	/* Returns chipset-specific counts of units packed into an u64.
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c
b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c
index cb0c3991b2ad..db9fc1ecae0d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c
@@ -81,8 +81,7 @@ nv31_mpeg_chan = {
 };
 
 int
-nv31_mpeg_chan_new(struct nvkm_fifo_chan *fifoch,
-		   const struct nvkm_oclass *oclass,
+nv31_mpeg_chan_new(struct nvkm_chan *fifoch, const struct nvkm_oclass *oclass,
 		   struct nvkm_object **pobject)
 {
 	struct nv31_mpeg *mpeg = nv31_mpeg(oclass->engine);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h
b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h
index 9f30aaaf809e..251d659565de 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h
@@ -24,9 +24,9 @@ struct nv31_mpeg_func {
 struct nv31_mpeg_chan {
 	struct nvkm_object object;
 	struct nv31_mpeg *mpeg;
-	struct nvkm_fifo_chan *fifo;
+	struct nvkm_chan *fifo;
 };
 
-int nv31_mpeg_chan_new(struct nvkm_fifo_chan *, const struct nvkm_oclass *,
+int nv31_mpeg_chan_new(struct nvkm_chan *, const struct nvkm_oclass *,
 		       struct nvkm_object **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
index 0890a279458e..4b1374adbda3 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c
@@ -43,7 +43,7 @@ struct nv44_mpeg {
 struct nv44_mpeg_chan {
 	struct nvkm_object object;
 	struct nv44_mpeg *mpeg;
-	struct nvkm_fifo_chan *fifo;
+	struct nvkm_chan *fifo;
 	struct list_head head;
 	u32 inst;
 };
@@ -100,8 +100,7 @@ nv44_mpeg_chan = {
 };
 
 static int
-nv44_mpeg_chan_new(struct nvkm_fifo_chan *fifoch,
-		   const struct nvkm_oclass *oclass,
+nv44_mpeg_chan_new(struct nvkm_chan *fifoch, const struct nvkm_oclass *oclass,
 		   struct nvkm_object **pobject)
 {
 	struct nv44_mpeg *mpeg = nv44_mpeg(oclass->engine);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h
b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h
index 667a2d05dd89..044ff4133874 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h
@@ -2,7 +2,7 @@
 #ifndef __NVKM_MPEG_PRIV_H__
 #define __NVKM_MPEG_PRIV_H__
 #include <engine/mpeg.h>
-struct nvkm_fifo_chan;
+struct nvkm_chan;
 
 int nv31_mpeg_init(struct nvkm_engine *);
 void nv31_mpeg_tile(struct nvkm_engine *, int, struct nvkm_fb_tile *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c
index a9d464db6974..20220d6d4a13 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/base.c
@@ -74,8 +74,7 @@ nvkm_sw_oclass_get(struct nvkm_oclass *oclass, int index)
 }
 
 static int
-nvkm_sw_cclass_get(struct nvkm_fifo_chan *fifoch,
-		   const struct nvkm_oclass *oclass,
+nvkm_sw_cclass_get(struct nvkm_chan *fifoch, const struct nvkm_oclass *oclass,
 		   struct nvkm_object **pobject)
 {
 	struct nvkm_sw *sw = nvkm_sw(oclass->engine);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
index 834b8cbed51d..2bf45141de60 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.c
@@ -74,7 +74,7 @@ nvkm_sw_chan = {
 
 int
 nvkm_sw_chan_ctor(const struct nvkm_sw_chan_func *func, struct nvkm_sw *sw,
-		  struct nvkm_fifo_chan *fifo, const struct nvkm_oclass *oclass,
+		  struct nvkm_chan *fifo, const struct nvkm_oclass *oclass,
 		  struct nvkm_sw_chan *chan)
 {
 	unsigned long flags;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
index 67b2e5ea93d9..c313aea16a17 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h
@@ -11,7 +11,7 @@ struct nvkm_sw_chan {
 	const struct nvkm_sw_chan_func *func;
 	struct nvkm_object object;
 	struct nvkm_sw *sw;
-	struct nvkm_fifo_chan *fifo;
+	struct nvkm_chan *fifo;
 	struct list_head head;
 
 #define NVKM_SW_CHAN_EVENT_PAGE_FLIP BIT(0)
@@ -24,7 +24,7 @@ struct nvkm_sw_chan_func {
 };
 
 int nvkm_sw_chan_ctor(const struct nvkm_sw_chan_func *, struct nvkm_sw *,
-		      struct nvkm_fifo_chan *, const struct nvkm_oclass *,
+		      struct nvkm_chan *, const struct nvkm_oclass *,
 		      struct nvkm_sw_chan *);
 bool nvkm_sw_chan_mthd(struct nvkm_sw_chan *, int subc, u32 mthd, u32 data);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c
index c3cf6f2ff86c..a0273baf4c67 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/gf100.c
@@ -102,7 +102,7 @@ gf100_sw_chan = {
 };
 
 static int
-gf100_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifoch,
+gf100_sw_chan_new(struct nvkm_sw *sw, struct nvkm_chan *fifoch,
 		  const struct nvkm_oclass *oclass,
 		  struct nvkm_object **pobject)
 {
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
index 4aa57573869c..8a1d112da894 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
@@ -106,7 +106,7 @@ nv04_sw_chan = {
 };
 
 static int
-nv04_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo,
+nv04_sw_chan_new(struct nvkm_sw *sw, struct nvkm_chan *fifo,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nv04_sw_chan *chan;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c
index e79e640ae535..742c75859569 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv10.c
@@ -36,7 +36,7 @@ nv10_sw_chan = {
 };
 
 static int
-nv10_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo,
+nv10_sw_chan_new(struct nvkm_sw *sw, struct nvkm_chan *fifo,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nvkm_sw_chan *chan;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c
index 9d7a9b7d5be3..99476d32c5af 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.c
@@ -99,7 +99,7 @@ nv50_sw_chan = {
 };
 
 static int
-nv50_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifoch,
+nv50_sw_chan_new(struct nvkm_sw *sw, struct nvkm_chan *fifoch,
 		 const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
 	struct nvkm_disp *disp = sw->engine.subdev.device->disp;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
index d9d83b1b8849..8015afaba947 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h
@@ -15,7 +15,7 @@ struct nvkm_sw_chan_sclass {
 };
 
 struct nvkm_sw_func {
-	int (*chan_new)(struct nvkm_sw *, struct nvkm_fifo_chan *,
+	int (*chan_new)(struct nvkm_sw *, struct nvkm_chan *,
 			const struct nvkm_oclass *, struct nvkm_object **);
 	const struct nvkm_sw_chan_sclass sclass[];
 };
-- 
2.40.1

Ben Skeggs

2023-May-25 00:31 UTC

head link

[Nouveau] [PATCH 06/10] drm/nouveau/fifo: return ERR_PTR from nvkm_runl_new()

From: Ben Skeggs <bskeggs at redhat.com>

Callers expect this - not NULL.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.c
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.c
index 93d628d7d508..454a481a0aef 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.c
@@ -399,7 +399,7 @@ nvkm_runl_new(struct nvkm_fifo *fifo, int runi, u32 addr,
int id_nr)
 	int ret;
 
 	if (!(runl = kzalloc(sizeof(*runl), GFP_KERNEL)))
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 
 	runl->func = fifo->func->runl;
 	runl->fifo = fifo;
@@ -419,7 +419,7 @@ nvkm_runl_new(struct nvkm_fifo *fifo, int runi, u32 addr,
int id_nr)
 		    (ret = nvkm_chid_new(&nvkm_chan_event, subdev, id_nr, 0, id_nr,
&runl->chid))) {
 			RUNL_ERROR(runl, "cgid/chid: %d", ret);
 			nvkm_runl_del(runl);
-			return NULL;
+			return ERR_PTR(ret);
 		}
 	} else {
 		runl->cgid = nvkm_chid_ref(fifo->cgid);
-- 
2.40.1

Ben Skeggs

2023-May-25 00:31 UTC

head link

[Nouveau] [PATCH 07/10] drm/nouveau/fifo/ga100-: remove individual runlists rather than failing oneinit

From: Ben Skeggs <bskeggs at redhat.com>

We're adding better support for the non-stall interrupt, which will need
to fetch the interrupt vector from the runlist's primary engine.

NVKM doesn't support all target engines (ie. NVDEC etc), and it wouldn't
be ideal to completely fail initialisation in this case.

Instead.  Remove runlists where we can't determine all the needed info.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 .../gpu/drm/nouveau/nvkm/engine/fifo/ga100.c  | 46 ++++++++++++++-----
 1 file changed, 35 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
index 12a5d99d5e77..a729f8b7f0da 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
@@ -429,7 +429,9 @@ static int
 ga100_runl_new(struct nvkm_fifo *fifo, int id, u32 addr, struct nvkm_runl
**prunl)
 {
 	struct nvkm_device *device = fifo->engine.subdev.device;
+	struct nvkm_top_device *tdev;
 	struct nvkm_runl *runl;
+	struct nvkm_engn *engn;
 	u32 chcfg  = nvkm_rd32(device, addr + 0x004);
 	u32 chnum  = 1 << (chcfg & 0x0000000f);
 	u32 chaddr = (chcfg & 0xfffffff0);
@@ -437,26 +439,50 @@ ga100_runl_new(struct nvkm_fifo *fifo, int id, u32 addr,
struct nvkm_runl **prun
 	u32 vector = nvkm_rd32(device, addr + 0x160);
 	int i, ret;
 
-	runl = *prunl = nvkm_runl_new(fifo, id, addr, chnum);
+	runl = nvkm_runl_new(fifo, id, addr, chnum);
 	if (IS_ERR(runl))
 		return PTR_ERR(runl);
 
+	*prunl = runl;
+
 	for (i = 0; i < 2; i++) {
 		u32 pbcfg = nvkm_rd32(device, addr + 0x010 + (i * 0x04));
 		if (pbcfg & 0x80000000) {
 			runl->runq[runl->runq_nr]  				nvkm_runq_new(fifo, ((pbcfg &
0x03fffc00) - 0x040000) / 0x800);
-			if (!runl->runq[runl->runq_nr])
+			if (!runl->runq[runl->runq_nr]) {
+				RUNL_ERROR(runl, "runq %d", runl->runq_nr);
 				return -ENOMEM;
+			}
 
 			runl->runq_nr++;
 		}
 	}
 
+	nvkm_list_foreach(tdev, &device->top->device, head, tdev->runlist
== runl->addr) {
+		if (tdev->engine < 0) {
+			RUNL_DEBUG(runl, "engn !top");
+			return -EINVAL;
+		}
+
+		engn = nvkm_runl_add(runl, tdev->engine, (tdev->type == NVKM_ENGINE_CE)
?
+				     fifo->func->engn_ce : fifo->func->engn,
+				     tdev->type, tdev->inst);
+		if (!engn)
+			return -EINVAL;
+	}
+
+	if (list_empty(&runl->engns)) {
+		RUNL_DEBUG(runl, "!engns");
+		return -EINVAL;
+	}
+
 	ret = nvkm_inth_add(&device->vfn->intr, vector & 0x00000fff,
NVKM_INTR_PRIO_NORMAL,
 			    &fifo->engine.subdev, ga100_runl_intr, &runl->inth);
-	if (ret)
+	if (ret) {
+		RUNL_ERROR(runl, "inth %d", ret);
 		return ret;
+	}
 
 	runl->chan = chaddr;
 	runl->doorbell = dbcfg >> 16;
@@ -514,15 +540,13 @@ ga100_fifo_runl_ctor(struct nvkm_fifo *fifo)
 		runl = nvkm_runl_get(fifo, -1, tdev->runlist);
 		if (!runl) {
 			ret = ga100_runl_new(fifo, id++, tdev->runlist, &runl);
-			if (ret)
-				return ret;
-		}
-
-		if (tdev->engine < 0)
-			continue;
+			if (ret) {
+				if (runl)
+					nvkm_runl_del(runl);
 
-		nvkm_runl_add(runl, tdev->engine, (tdev->type == NVKM_ENGINE_CE) ?
-			      fifo->func->engn_ce : fifo->func->engn, tdev->type,
tdev->inst);
+				continue;
+			}
+		}
 	}
 
 	return 0;
-- 
2.40.1

Ben Skeggs

2023-May-25 00:31 UTC

head link

[Nouveau] [PATCH 08/10] drm/nouveau/fifo/ga100-: add per-runlist nonstall intr handling

From: Ben Skeggs <bskeggs at redhat.com>

GSP-RM will enforce this, so implement on HW too so we can share code.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 .../drm/nouveau/include/nvkm/core/engine.h    |  1 +
 .../gpu/drm/nouveau/nvkm/engine/ce/ga100.c    | 10 ++++
 .../gpu/drm/nouveau/nvkm/engine/ce/ga102.c    |  1 +
 drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h |  1 +
 .../gpu/drm/nouveau/nvkm/engine/fifo/base.c   | 32 +++++-----
 .../gpu/drm/nouveau/nvkm/engine/fifo/ga100.c  | 59 +++++++++++++++----
 .../gpu/drm/nouveau/nvkm/engine/fifo/runl.h   |  6 ++
 .../gpu/drm/nouveau/nvkm/engine/fifo/uchan.c  |  2 +-
 drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c | 12 ++++
 .../gpu/drm/nouveau/nvkm/engine/gr/ga102.c    |  7 +++
 .../gpu/drm/nouveau/nvkm/engine/gr/gf100.c    | 12 ++++
 .../gpu/drm/nouveau/nvkm/engine/gr/gf100.h    |  1 +
 drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h |  1 +
 13 files changed, 116 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
index 8041fe03237e..738899fcf30b 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h
@@ -22,6 +22,7 @@ struct nvkm_engine_func {
 	int (*init)(struct nvkm_engine *);
 	int (*fini)(struct nvkm_engine *, bool suspend);
 	int (*reset)(struct nvkm_engine *);
+	int (*nonstall)(struct nvkm_engine *);
 	void (*intr)(struct nvkm_engine *);
 	void (*tile)(struct nvkm_engine *, int region, struct nvkm_fb_tile *);
 	bool (*chsw_load)(struct nvkm_engine *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c
b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c
index 6648ed62daa6..315a69f7fdd1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga100.c
@@ -35,6 +35,15 @@ ga100_ce_intr(struct nvkm_inth *inth)
 	return IRQ_NONE;
 }
 
+int
+ga100_ce_nonstall(struct nvkm_engine *engine)
+{
+	struct nvkm_subdev *subdev = &engine->subdev;
+	struct nvkm_device *device = subdev->device;
+
+	return nvkm_rd32(device, 0x104424 + (subdev->inst * 0x80)) &
0x00000fff;
+}
+
 int
 ga100_ce_fini(struct nvkm_engine *engine, bool suspend)
 {
@@ -67,6 +76,7 @@ ga100_ce = {
 	.oneinit = ga100_ce_oneinit,
 	.init = ga100_ce_init,
 	.fini = ga100_ce_fini,
+	.nonstall = ga100_ce_nonstall,
 	.cclass = &gv100_ce_cclass,
 	.sclass = {
 		{ -1, -1, AMPERE_DMA_COPY_A },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c
b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c
index 9f3448ad625f..461b73c7e2e0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/ga102.c
@@ -28,6 +28,7 @@ ga102_ce = {
 	.oneinit = ga100_ce_oneinit,
 	.init = ga100_ce_init,
 	.fini = ga100_ce_fini,
+	.nonstall = ga100_ce_nonstall,
 	.cclass = &gv100_ce_cclass,
 	.sclass = {
 		{ -1, -1, AMPERE_DMA_COPY_A },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
index 53ba2abe0bf5..0be72c463b21 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h
@@ -12,4 +12,5 @@ extern const struct nvkm_object_func gv100_ce_cclass;
 int ga100_ce_oneinit(struct nvkm_engine *);
 int ga100_ce_init(struct nvkm_engine *);
 int ga100_ce_fini(struct nvkm_engine *, bool);
+int ga100_ce_nonstall(struct nvkm_engine *);
 #endif
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
index 5ea9a2ff0663..5db37247dc29 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/base.c
@@ -283,11 +283,21 @@ nvkm_fifo_oneinit(struct nvkm_engine *engine)
 	}
 
 	/* Initialise non-stall intr handling. */
-	if (fifo->func->nonstall_ctor) {
-		ret = fifo->func->nonstall_ctor(fifo);
-		if (ret) {
-			nvkm_error(subdev, "nonstall %d\n", ret);
+	if (fifo->func->nonstall) {
+		if (fifo->func->nonstall_ctor) {
+			ret = fifo->func->nonstall_ctor(fifo);
+			if (ret < 0) {
+				nvkm_error(subdev, "nonstall %d\n", ret);
+				return ret;
+			}
+		} else {
+			ret = 1;
 		}
+
+		ret = nvkm_event_init(fifo->func->nonstall,
&fifo->engine.subdev, 1, ret,
+				      &fifo->nonstall.event);
+		if (ret)
+			return ret;
 	}
 
 	/* Allocate USERD + BAR1 polling area. */
@@ -358,7 +368,6 @@ nvkm_fifo_new_(const struct nvkm_fifo_func *func, struct
nvkm_device *device,
 	       enum nvkm_subdev_type type, int inst, struct nvkm_fifo **pfifo)
 {
 	struct nvkm_fifo *fifo;
-	int ret;
 
 	if (!(fifo = *pfifo = kzalloc(sizeof(*fifo), GFP_KERNEL)))
 		return -ENOMEM;
@@ -374,16 +383,5 @@ nvkm_fifo_new_(const struct nvkm_fifo_func *func, struct
nvkm_device *device,
 	spin_lock_init(&fifo->lock);
 	mutex_init(&fifo->mutex);
 
-	ret = nvkm_engine_ctor(&nvkm_fifo, device, type, inst, true,
&fifo->engine);
-	if (ret)
-		return ret;
-
-	if (func->nonstall) {
-		ret = nvkm_event_init(func->nonstall, &fifo->engine.subdev, 1, 1,
-				      &fifo->nonstall.event);
-		if (ret)
-			return ret;
-	}
-
-	return 0;
+	return nvkm_engine_ctor(&nvkm_fifo, device, type, inst, true,
&fifo->engine);
 }
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
index a729f8b7f0da..c56d2a839efb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ga100.c
@@ -32,9 +32,6 @@
 
 #include <nvif/class.h>
 
-/*TODO: allocate? */
-#define GA100_FIFO_NONSTALL_VECTOR 0
-
 static u32
 ga100_chan_doorbell_handle(struct nvkm_chan *chan)
 {
@@ -83,7 +80,7 @@ ga100_chan_ramfc_write(struct nvkm_chan *chan, u64 offset, u64
length, u32 devm,
 	nvkm_wo32(chan->inst, 0x0e4, priv ? 0x00000020 : 0x00000000);
 	nvkm_wo32(chan->inst, 0x0e8, chan->id);
 	nvkm_wo32(chan->inst, 0x0f4, 0x00001000 | (priv ? 0x00000100 :
0x00000000));
-	nvkm_wo32(chan->inst, 0x0f8, 0x80000000 | GA100_FIFO_NONSTALL_VECTOR);
+	nvkm_wo32(chan->inst, 0x0f8, 0x80000000 |
chan->cgrp->runl->nonstall.vector);
 	nvkm_mo32(chan->inst, 0x218, 0x00000000, 0x00000000);
 	nvkm_done(chan->inst);
 	return 0;
@@ -148,8 +145,20 @@ ga100_engn_cxid(struct nvkm_engn *engn, bool *cgid)
 	return -ENODEV;
 }
 
+static int
+ga100_engn_nonstall(struct nvkm_engn *engn)
+{
+	struct nvkm_engine *engine = engn->engine;
+
+	if (WARN_ON(!engine->func->nonstall))
+		return -EINVAL;
+
+	return engine->func->nonstall(engine);
+}
+
 const struct nvkm_engn_func
 ga100_engn = {
+	.nonstall = ga100_engn_nonstall,
 	.cxid = ga100_engn_cxid,
 	.ctor = gk104_ectx_ctor,
 	.bind = gv100_ectx_bind,
@@ -157,6 +166,7 @@ ga100_engn = {
 
 const struct nvkm_engn_func
 ga100_engn_ce = {
+	.nonstall = ga100_engn_nonstall,
 	.cxid = ga100_engn_cxid,
 	.ctor = gv100_ectx_ce_ctor,
 	.bind = gv100_ectx_ce_bind,
@@ -470,6 +480,11 @@ ga100_runl_new(struct nvkm_fifo *fifo, int id, u32 addr,
struct nvkm_runl **prun
 				     tdev->type, tdev->inst);
 		if (!engn)
 			return -EINVAL;
+
+		if (!engn->engine->func->nonstall) {
+			RUNL_DEBUG(runl, "engn %s !nonstall",
engn->engine->subdev.name);
+			return -EINVAL;
+		}
 	}
 
 	if (list_empty(&runl->engns)) {
@@ -492,9 +507,9 @@ ga100_runl_new(struct nvkm_fifo *fifo, int id, u32 addr,
struct nvkm_runl **prun
 static irqreturn_t
 ga100_fifo_nonstall_intr(struct nvkm_inth *inth)
 {
-	struct nvkm_fifo *fifo = container_of(inth, typeof(*fifo), nonstall.intr);
+	struct nvkm_runl *runl = container_of(inth, typeof(*runl), nonstall.inth);
 
-	nvkm_event_ntfy(&fifo->nonstall.event, 0, NVKM_FIFO_NONSTALL_EVENT);
+	nvkm_event_ntfy(&runl->fifo->nonstall.event, runl->id,
NVKM_FIFO_NONSTALL_EVENT);
 	return IRQ_HANDLED;
 }
 
@@ -502,16 +517,18 @@ static void
 ga100_fifo_nonstall_block(struct nvkm_event *event, int type, int index)
 {
 	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), nonstall.event);
+	struct nvkm_runl *runl = nvkm_runl_get(fifo, index, 0);
 
-	nvkm_inth_block(&fifo->nonstall.intr);
+	nvkm_inth_block(&runl->nonstall.inth);
 }
 
 static void
 ga100_fifo_nonstall_allow(struct nvkm_event *event, int type, int index)
 {
 	struct nvkm_fifo *fifo = container_of(event, typeof(*fifo), nonstall.event);
+	struct nvkm_runl *runl = nvkm_runl_get(fifo, index, 0);
 
-	nvkm_inth_allow(&fifo->nonstall.intr);
+	nvkm_inth_allow(&runl->nonstall.inth);
 }
 
 const struct nvkm_event_func
@@ -523,9 +540,29 @@ ga100_fifo_nonstall = {
 int
 ga100_fifo_nonstall_ctor(struct nvkm_fifo *fifo)
 {
-	return nvkm_inth_add(&fifo->engine.subdev.device->vfn->intr,
GA100_FIFO_NONSTALL_VECTOR,
-			     NVKM_INTR_PRIO_NORMAL, &fifo->engine.subdev,
ga100_fifo_nonstall_intr,
-			     &fifo->nonstall.intr);
+	struct nvkm_subdev *subdev = &fifo->engine.subdev;
+	struct nvkm_vfn *vfn = subdev->device->vfn;
+	struct nvkm_runl *runl;
+	int ret, nr = 0;
+
+	nvkm_runl_foreach(runl, fifo) {
+		struct nvkm_engn *engn = list_first_entry(&runl->engns, typeof(*engn),
head);
+
+		runl->nonstall.vector = engn->func->nonstall(engn);
+		if (runl->nonstall.vector < 0) {
+			RUNL_ERROR(runl, "nonstall %d", runl->nonstall.vector);
+			return runl->nonstall.vector;
+		}
+
+		ret = nvkm_inth_add(&vfn->intr, runl->nonstall.vector,
NVKM_INTR_PRIO_NORMAL,
+				    subdev, ga100_fifo_nonstall_intr, &runl->nonstall.inth);
+		if (ret)
+			return ret;
+
+		nr = max(nr, runl->id + 1);
+	}
+
+	return nr;
 }
 
 int
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.h
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.h
index c93d21bb7bd5..5421321f8e85 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runl.h
@@ -11,6 +11,7 @@ enum nvkm_subdev_type;
 
 struct nvkm_engn {
 	const struct nvkm_engn_func {
+		int (*nonstall)(struct nvkm_engn *);
 		bool (*chsw)(struct nvkm_engn *);
 		int (*cxid)(struct nvkm_engn *, bool *cgid);
 		void (*mmu_fault_trigger)(struct nvkm_engn *);
@@ -69,6 +70,11 @@ struct nvkm_runl {
 
 	struct nvkm_inth inth;
 
+	struct {
+		int vector;
+		struct nvkm_inth inth;
+	} nonstall;
+
 	struct list_head cgrps;
 	int cgrp_nr;
 	int chan_nr;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
index 1dac95ae7b43..04140e0110be 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/uchan.c
@@ -52,7 +52,7 @@ nvkm_uchan_uevent(struct nvkm_object *object, void *argv, u32
argc, struct nvkm_
 
 	switch (args->v0.type) {
 	case NVIF_CHAN_EVENT_V0_NON_STALL_INTR:
-		return nvkm_uevent_add(uevent, &runl->fifo->nonstall.event, 0,
+		return nvkm_uevent_add(uevent, &runl->fifo->nonstall.event,
runl->id,
 				       NVKM_FIFO_NONSTALL_EVENT, NULL);
 	case NVIF_CHAN_EVENT_V0_KILLED:
 		return nvkm_uevent_add(uevent, &runl->chid->event, chan->id,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
index 5653fbf785e1..0096ad401b15 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/base.c
@@ -125,6 +125,17 @@ nvkm_gr_intr(struct nvkm_engine *engine)
 	gr->func->intr(gr);
 }
 
+static int
+nvkm_gr_nonstall(struct nvkm_engine *engine)
+{
+	struct nvkm_gr *gr = nvkm_gr(engine);
+
+	if (gr->func->nonstall)
+		return gr->func->nonstall(gr);
+
+	return -EINVAL;
+}
+
 static int
 nvkm_gr_oneinit(struct nvkm_engine *engine)
 {
@@ -177,6 +188,7 @@ nvkm_gr = {
 	.init = nvkm_gr_init,
 	.fini = nvkm_gr_fini,
 	.reset = nvkm_gr_reset,
+	.nonstall = nvkm_gr_nonstall,
 	.intr = nvkm_gr_intr,
 	.tile = nvkm_gr_tile,
 	.chsw_load = nvkm_gr_chsw_load,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c
index a5b5ac2755a2..00cd70abad67 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ga102.c
@@ -137,8 +137,15 @@ ga102_gr_oneinit_intr(struct gf100_gr *gr, enum
nvkm_intr_type *pvector)
 	return &device->vfn->intr;
 }
 
+static int
+ga102_gr_nonstall(struct gf100_gr *gr)
+{
+	return nvkm_rd32(gr->base.engine.subdev.device, 0x400160) & 0x00000fff;
+}
+
 static const struct gf100_gr_func
 ga102_gr = {
+	.nonstall = ga102_gr_nonstall,
 	.oneinit_intr = ga102_gr_oneinit_intr,
 	.oneinit_tiles = gm200_gr_oneinit_tiles,
 	.oneinit_sm_id = gv100_gr_oneinit_sm_id,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
index 29afec9a55bf..3648868bb9fc 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
@@ -2494,12 +2494,24 @@ gf100_gr_gpccs_ucode = {
 	.data.size = sizeof(gf100_grgpc_data),
 };
 
+static int
+gf100_gr_nonstall(struct nvkm_gr *base)
+{
+	struct gf100_gr *gr = gf100_gr(base);
+
+	if (gr->func->nonstall)
+		return gr->func->nonstall(gr);
+
+	return -EINVAL;
+}
+
 static const struct nvkm_gr_func
 gf100_gr_ = {
 	.dtor = gf100_gr_dtor,
 	.oneinit = gf100_gr_oneinit,
 	.init = gf100_gr_init_,
 	.fini = gf100_gr_fini,
+	.nonstall = gf100_gr_nonstall,
 	.reset = gf100_gr_reset,
 	.units = gf100_gr_units,
 	.chan_new = gf100_gr_chan_new,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
index 94ca7ac16acf..54f686ba39ac 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
@@ -147,6 +147,7 @@ struct gf100_gr_func_zbc {
 };
 
 struct gf100_gr_func {
+	int (*nonstall)(struct gf100_gr *);
 	struct nvkm_intr *(*oneinit_intr)(struct gf100_gr *, enum nvkm_intr_type *);
 	void (*oneinit_tiles)(struct gf100_gr *);
 	int (*oneinit_sm_id)(struct gf100_gr *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
index 6ec8b94854c0..0884abc73a9d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h
@@ -18,6 +18,7 @@ struct nvkm_gr_func {
 	int (*init)(struct nvkm_gr *);
 	int (*fini)(struct nvkm_gr *, bool);
 	int (*reset)(struct nvkm_gr *);
+	int (*nonstall)(struct nvkm_gr *);
 	void (*intr)(struct nvkm_gr *);
 	void (*tile)(struct nvkm_gr *, int region, struct nvkm_fb_tile *);
 	int (*tlb_flush)(struct nvkm_gr *);
-- 
2.40.1

Ben Skeggs

2023-May-25 00:31 UTC

head link

[Nouveau] [PATCH 09/10] drm/nouveau/nvif: fix potential double-free

From: Ben Skeggs <bskeggs at redhat.com>

DRM cleanup paths unconditionally call nvif_mmu_dtor() for clients,
which would result in a double-free if nvif_mmu_ctor()'d previously
failed.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/nvif/mmu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nvif/mmu.c
b/drivers/gpu/drm/nouveau/nvif/mmu.c
index 3709cbbc19a1..c9dd3cff49a0 100644
--- a/drivers/gpu/drm/nouveau/nvif/mmu.c
+++ b/drivers/gpu/drm/nouveau/nvif/mmu.c
@@ -27,6 +27,9 @@
 void
 nvif_mmu_dtor(struct nvif_mmu *mmu)
 {
+	if (!nvif_object_constructed(&mmu->object))
+		return;
+
 	kfree(mmu->kind);
 	kfree(mmu->type);
 	kfree(mmu->heap);
-- 
2.40.1

Ben Skeggs

2023-May-25 00:31 UTC

head link

[Nouveau] [PATCH 10/10] drm/nouveau/kms: don't call drm_dp_cec_set_edid() on TMDS

From: Ben Skeggs <bskeggs at redhat.com>

RM complains very loudly at the aux transaction attempts.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_connector.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c
b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 086b66b60d91..4c0cb32f6f2c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -619,7 +619,10 @@ nouveau_connector_detect(struct drm_connector *connector,
bool force)
 
 		nouveau_connector_set_encoder(connector, nv_encoder);
 		conn_status = connector_status_connected;
-		drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
+
+		if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
+			drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
+
 		goto out;
 	} else {
 		nouveau_connector_set_edid(nv_connector, NULL);
-- 
2.40.1

Karol Herbst

2023-Jun-13 21:26 UTC

head link

[Nouveau] [PATCH 01/10] drm/nouveau/nvkm: fini object children in reverse order

On Thu, May 25, 2023 at 2:31?AM Ben Skeggs <skeggsb at gmail.com>
wrote:>
> From: Ben Skeggs <bskeggs at redhat.com>
>
> Turns out, we're currently tearing down the disp core channel *before*
> the satellite channels (wndw, etc) during suspend.
>
> This makes RM return NV_ERR_NOT_SUPPORTED on attempting to reallocate
> the core channel on resume for some reason, but we probably shouldn't
> be doing it on HW either.
>
> Tear down children in the reverse of allocation order instead.
>
> Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
> ---
>  drivers/gpu/drm/nouveau/nvkm/core/object.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nvkm/core/object.c
b/drivers/gpu/drm/nouveau/nvkm/core/object.c
> index 301a5e5b5f7f..7c554c14e884 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/core/object.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/core/object.c
> @@ -185,7 +185,7 @@ nvkm_object_fini(struct nvkm_object *object, bool
suspend)
>
>         nvif_debug(object, "%s children...\n", action);
>         time = ktime_to_us(ktime_get());
> -       list_for_each_entry(child, &object->tree, head) {
> +       list_for_each_entry_reverse(child, &object->tree, head) {
>                 ret = nvkm_object_fini(child, suspend);
>                 if (ret && suspend)
>                         goto fail_child;
> --
> 2.40.1
>
Reviewed-by: Karol Herbst <kherbst at redhat.com>

Lyude Paul

2023-Jun-13 21:52 UTC

head link

[Nouveau] [PATCH 01/10] drm/nouveau/nvkm: fini object children in reverse order

For the whole series:

Reviewed-by: Lyude Paul <lyude at redhat.com>

On Thu, 2023-05-25 at 10:30 +1000, Ben Skeggs wrote:> From: Ben Skeggs <bskeggs at redhat.com>
> 
> Turns out, we're currently tearing down the disp core channel *before*
> the satellite channels (wndw, etc) during suspend.
> 
> This makes RM return NV_ERR_NOT_SUPPORTED on attempting to reallocate
> the core channel on resume for some reason, but we probably shouldn't
> be doing it on HW either.
> 
> Tear down children in the reverse of allocation order instead.
> 
> Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
> ---
>  drivers/gpu/drm/nouveau/nvkm/core/object.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nvkm/core/object.c
b/drivers/gpu/drm/nouveau/nvkm/core/object.c
> index 301a5e5b5f7f..7c554c14e884 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/core/object.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/core/object.c
> @@ -185,7 +185,7 @@ nvkm_object_fini(struct nvkm_object *object, bool
suspend)
>  
>  	nvif_debug(object, "%s children...\n", action);
>  	time = ktime_to_us(ktime_get());
> -	list_for_each_entry(child, &object->tree, head) {
> +	list_for_each_entry_reverse(child, &object->tree, head) {
>  		ret = nvkm_object_fini(child, suspend);
>  		if (ret && suspend)
>  			goto fail_child;
-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat

Nouveau - May 2023 - [PATCH 06/10] drm/nouveau/fifo: return ERR_PTR from nvkm_runl_new()

[Nouveau] [PATCH 01/10] drm/nouveau/nvkm: fini object children in reverse order

[Nouveau] [PATCH 02/10] drm/nouveau/nvkm: punt spurious irq messages to debug level

[Nouveau] [PATCH 03/10] drm/nouveau/fb/gp102-ga100: switch to simpler vram size detection method

[Nouveau] [PATCH 04/10] drm/nouveau/fb/ga102-: construct vidmem heap via new gp102 paths

[Nouveau] [PATCH 05/10] drm/nouveau/fifo: remove left-over references to nvkm_fifo_chan

[Nouveau] [PATCH 06/10] drm/nouveau/fifo: return ERR_PTR from nvkm_runl_new()

[Nouveau] [PATCH 07/10] drm/nouveau/fifo/ga100-: remove individual runlists rather than failing oneinit

[Nouveau] [PATCH 08/10] drm/nouveau/fifo/ga100-: add per-runlist nonstall intr handling

[Nouveau] [PATCH 09/10] drm/nouveau/nvif: fix potential double-free

[Nouveau] [PATCH 10/10] drm/nouveau/kms: don't call drm_dp_cec_set_edid() on TMDS

[Nouveau] [PATCH 01/10] drm/nouveau/nvkm: fini object children in reverse order

[Nouveau] [PATCH 01/10] drm/nouveau/nvkm: fini object children in reverse order