From: Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [PATCH AUTOSEL 4.19 15/15] drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
Date: Tue, 19 Jan 2021 20:27:40 -0500 [thread overview]
Message-ID: <20210120012740.770354-15-sashal@kernel.org> (raw)
In-Reply-To: <20210120012740.770354-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
From: Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
[ Upstream commit caeb6ab899c3d36a74cda6e299c6e1c9c4e2a22e ]
VRAM offset 0 is a valid address, triggered on GA102.
Signed-off-by: Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Signed-off-by: Sasha Levin <sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
drivers/gpu/drm/nouveau/dispnv50/disp.c | 4 ++--
drivers/gpu/drm/nouveau/dispnv50/disp.h | 2 +-
drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 1bb0a9f6fa730..fbe156302ee86 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -131,7 +131,7 @@ nv50_dmac_destroy(struct nv50_dmac *dmac)
int
nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
- const s32 *oclass, u8 head, void *data, u32 size, u64 syncbuf,
+ const s32 *oclass, u8 head, void *data, u32 size, s64 syncbuf,
struct nv50_dmac *dmac)
{
struct nouveau_cli *cli = (void *)device->object.client;
@@ -166,7 +166,7 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
if (ret)
return ret;
- if (!syncbuf)
+ if (syncbuf < 0)
return 0;
ret = nvif_object_init(&dmac->base.user, 0xf0000000, NV_DMA_IN_MEMORY,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.h b/drivers/gpu/drm/nouveau/dispnv50/disp.h
index 66c125a6b0b3c..55205d23360c8 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.h
@@ -68,7 +68,7 @@ struct nv50_dmac {
int nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
const s32 *oclass, u8 head, void *data, u32 size,
- u64 syncbuf, struct nv50_dmac *dmac);
+ s64 syncbuf, struct nv50_dmac *dmac);
void nv50_dmac_destroy(struct nv50_dmac *);
u32 *evo_wait(struct nv50_dmac *, int nr);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
index f7dbd965e4e72..b49a212af4d8d 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
@@ -68,7 +68,7 @@ wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
int ret;
ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
- &oclass, 0, &args, sizeof(args), 0,
+ &oclass, 0, &args, sizeof(args), -1,
&wndw->wimm);
if (ret) {
NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret);
--
2.27.0
prev parent reply other threads:[~2021-01-20 1:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210120012740.770354-1-sashal@kernel.org>
[not found] ` <20210120012740.770354-1-sashal-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2021-01-20 1:27 ` [PATCH AUTOSEL 4.19 11/15] drm/nouveau/bios: fix issue shadowing expansion ROMs Sasha Levin
2021-01-20 1:27 ` [PATCH AUTOSEL 4.19 12/15] drm/nouveau/privring: ack interrupts the same way as RM Sasha Levin
2021-01-20 1:27 ` [PATCH AUTOSEL 4.19 13/15] drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields Sasha Levin
2021-01-20 1:27 ` [PATCH AUTOSEL 4.19 14/15] drm/nouveau/mmu: fix vram heap sizing Sasha Levin
2021-01-20 1:27 ` Sasha Levin [this message]
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