[PATCH 57/60] drm/nouveau/gsp: add hal for fifo.chan.doorbell_handle
Ben Skeggs
bskeggs at nvidia.com
Tue Apr 29 23:39:25 UTC 2025
The doorbell register on GB20x GPUs has additional fields.
Signed-off-by: Ben Skeggs <bskeggs at nvidia.com>
---
drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h | 2 ++
drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c | 2 +-
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ad10x.c | 3 +++
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga100.c | 3 +++
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga1xx.c | 3 +++
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gb10x.c | 3 +++
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gh100.c | 3 +++
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gpu.h | 1 +
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/fifo.c | 4 +++-
drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/tu1xx.c | 3 +++
10 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
index a0f3277605a5..9ebb35c31db0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h
@@ -6,6 +6,7 @@
#include <core/enum.h>
struct nvkm_cctx;
struct nvkm_cgrp;
+struct nvkm_chan;
struct nvkm_engn;
struct nvkm_memory;
struct nvkm_runl;
@@ -195,6 +196,7 @@ extern const struct nvkm_chan_func_ramfc gv100_chan_ramfc;
void tu102_fifo_intr_ctxsw_timeout_info(struct nvkm_engn *, u32 info);
extern const struct nvkm_fifo_func_mmu_fault tu102_fifo_mmu_fault;
+u32 tu102_chan_doorbell_handle(struct nvkm_chan *);
int ga100_fifo_runl_ctor(struct nvkm_fifo *);
int ga100_fifo_nonstall_ctor(struct nvkm_fifo *);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
index 1d39a6840a40..c5a03298e88c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/tu102.c
@@ -31,7 +31,7 @@
#include <nvif/class.h>
-static u32
+u32
tu102_chan_doorbell_handle(struct nvkm_chan *chan)
{
return (chan->cgrp->runl->id << 16) | chan->id;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ad10x.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ad10x.c
index 8b26c92c40c0..dfa3d235f9b9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ad10x.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ad10x.c
@@ -21,6 +21,8 @@
*/
#include "gpu.h"
+#include <engine/fifo/priv.h>
+
#include <nvif/class.h>
const struct nvkm_rm_gpu
@@ -38,6 +40,7 @@ ad10x_gpu = {
.fifo.chan = {
.class = AMPERE_CHANNEL_GPFIFO_A,
+ .doorbell_handle = tu102_chan_doorbell_handle,
},
.ce.class = AMPERE_DMA_COPY_B,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga100.c
index b17cf2f59523..787135208098 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga100.c
@@ -21,6 +21,8 @@
*/
#include "gpu.h"
+#include <engine/fifo/priv.h>
+
#include <nvif/class.h>
const struct nvkm_rm_gpu
@@ -29,6 +31,7 @@ ga100_gpu = {
.fifo.chan = {
.class = AMPERE_CHANNEL_GPFIFO_A,
+ .doorbell_handle = tu102_chan_doorbell_handle,
},
.ce.class = AMPERE_DMA_COPY_A,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga1xx.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga1xx.c
index 50cb89460836..1ef65db971de 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga1xx.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/ga1xx.c
@@ -21,6 +21,8 @@
*/
#include "gpu.h"
+#include <engine/fifo/priv.h>
+
#include <nvif/class.h>
const struct nvkm_rm_gpu
@@ -38,6 +40,7 @@ ga1xx_gpu = {
.fifo.chan = {
.class = AMPERE_CHANNEL_GPFIFO_A,
+ .doorbell_handle = tu102_chan_doorbell_handle,
},
.ce.class = AMPERE_DMA_COPY_B,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gb10x.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gb10x.c
index f549daa0068d..00f060b63ed6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gb10x.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gb10x.c
@@ -21,6 +21,8 @@
*/
#include "gpu.h"
+#include <engine/fifo/priv.h>
+
#include <nvif/class.h>
const struct nvkm_rm_gpu
@@ -29,6 +31,7 @@ gb10x_gpu = {
.fifo.chan = {
.class = BLACKWELL_CHANNEL_GPFIFO_A,
+ .doorbell_handle = tu102_chan_doorbell_handle,
},
.ce.class = BLACKWELL_DMA_COPY_A,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gh100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gh100.c
index c2d865f73014..0cb8ee1b8824 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gh100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gh100.c
@@ -21,6 +21,8 @@
*/
#include "gpu.h"
+#include <engine/fifo/priv.h>
+
#include <nvif/class.h>
const struct nvkm_rm_gpu
@@ -29,6 +31,7 @@ gh100_gpu = {
.fifo.chan = {
.class = HOPPER_CHANNEL_GPFIFO_A,
+ .doorbell_handle = tu102_chan_doorbell_handle,
},
.ce.class = HOPPER_DMA_COPY_A,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gpu.h b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gpu.h
index e84376c85e99..77aa7b13a3af 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gpu.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/gpu.h
@@ -25,6 +25,7 @@ struct nvkm_rm_gpu {
struct {
struct {
u32 class;
+ u32 (*doorbell_handle)(struct nvkm_chan *);
} chan;
} fifo;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/fifo.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/fifo.c
index 608d8210299d..3f0aba55f48e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/fifo.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/r535/fifo.c
@@ -41,7 +41,9 @@
static u32
r535_chan_doorbell_handle(struct nvkm_chan *chan)
{
- return (chan->cgrp->runl->id << 16) | chan->id;
+ struct nvkm_gsp *gsp = chan->rm.object.client->gsp;
+
+ return gsp->rm->gpu->fifo.chan.doorbell_handle(chan);
}
static void
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/tu1xx.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/tu1xx.c
index 3ad3153ffe58..1b0ecc0f0e0e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/tu1xx.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/rm/tu1xx.c
@@ -21,6 +21,8 @@
*/
#include "gpu.h"
+#include <engine/fifo/priv.h>
+
#include <nvif/class.h>
const struct nvkm_rm_gpu
@@ -38,6 +40,7 @@ tu1xx_gpu = {
.fifo.chan = {
.class = TURING_CHANNEL_GPFIFO_A,
+ .doorbell_handle = tu102_chan_doorbell_handle,
},
.ce.class = TURING_DMA_COPY_A,
--
2.49.0
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