From 17008293c5726d6a992deb4cc2f1add020c241dc Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 19 Sep 2023 17:55:59 -0400
Subject: drm/nouveau/mmu/gp100-: always invalidate TLBs at CACHE_LEVEL_ALL
Fixes some issues when running on top of RM.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-5-lyude@redhat.com
---
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c | 2 +-
drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
(limited to 'drivers/gpu/drm/nouveau')
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
index f3630d0e0d55..bddac77f48f0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmgp100.c
@@ -558,7 +558,7 @@ gp100_vmm_invalidate_pdb(struct nvkm_vmm *vmm, u64 addr)
void
gp100_vmm_flush(struct nvkm_vmm *vmm, int depth)
{
- u32 type = (5 /* CACHE_LEVEL_UP_TO_PDE3 */ - depth) << 24;
+ u32 type = 0;
if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))
type |= 0x00000004; /* HUB_ONLY */
type |= 0x00000001; /* PAGE_ALL */
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c
index 6cb5eefa45e9..0095d58d4d9a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c
@@ -27,7 +27,7 @@ static void
tu102_vmm_flush(struct nvkm_vmm *vmm, int depth)
{
struct nvkm_device *device = vmm->mmu->subdev.device;
- u32 type = (5 /* CACHE_LEVEL_UP_TO_PDE3 */ - depth) << 24;
+ u32 type = 0;
type |= 0x00000001; /* PAGE_ALL */
if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR]))
--
cgit