[PATCH drm-misc-next v4 6/8] drm/gpuvm: add drm_gpuvm_flags to drm_gpuvm

From: Danilo Krummrich
Date: Wed Sep 20 2023 - 10:45:40 EST


Introduce flags for struct drm_gpuvm, this required by subsequent
commits.

Signed-off-by: Danilo Krummrich <dakr@xxxxxxxxxx>
---
drivers/gpu/drm/drm_gpuvm.c | 3 ++-
drivers/gpu/drm/nouveau/nouveau_uvmm.c | 2 +-
include/drm/drm_gpuvm.h | 17 ++++++++++++++++-
3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c
index 6ee224e1121e..6e9d2d478bb8 100644
--- a/drivers/gpu/drm/drm_gpuvm.c
+++ b/drivers/gpu/drm/drm_gpuvm.c
@@ -705,7 +705,7 @@ drm_gpuva_range_valid(struct drm_gpuvm *gpuvm,
*/
void
drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_device *drm,
- const char *name,
+ const char *name, enum drm_gpuva_flags flags,
u64 start_offset, u64 range,
u64 reserve_offset, u64 reserve_range,
const struct drm_gpuvm_ops *ops)
@@ -718,6 +718,7 @@ drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_device *drm,
gpuvm->mm_range = range;

gpuvm->name = name ? name : "unknown";
+ gpuvm->flags = flags;
gpuvm->ops = ops;

memset(&gpuvm->kernel_alloc_node, 0, sizeof(struct drm_gpuva));
diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
index cf709afd2ac7..3de8533841db 100644
--- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
@@ -1864,7 +1864,7 @@ nouveau_uvmm_init(struct nouveau_uvmm *uvmm, struct nouveau_cli *cli,
uvmm->kernel_managed_addr = kernel_managed_addr;
uvmm->kernel_managed_size = kernel_managed_size;

- drm_gpuvm_init(&uvmm->base, cli->drm->dev, cli->name,
+ drm_gpuvm_init(&uvmm->base, cli->drm->dev, cli->name, 0,
NOUVEAU_VA_SPACE_START,
NOUVEAU_VA_SPACE_END,
kernel_managed_addr, kernel_managed_size,
diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
index 2c9ad6eb9401..f57ad1f0f0d0 100644
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -192,6 +192,16 @@ static inline bool drm_gpuva_invalidated(struct drm_gpuva *va)
return va->flags & DRM_GPUVA_INVALIDATED;
}

+/**
+ * enum drm_gpuvm_flags - flags for struct drm_gpuvm
+ */
+enum drm_gpuvm_flags {
+ /**
+ * @DRM_GPUVM_USERBITS: user defined bits
+ */
+ DRM_GPUVM_USERBITS = (1 << 0),
+};
+
/**
* struct drm_gpuvm - DRM GPU VA Manager
*
@@ -210,6 +220,11 @@ struct drm_gpuvm {
*/
const char *name;

+ /**
+ * @flags: the &drm_gpuvm_flags of this GPUVM
+ */
+ enum drm_gpuva_flags flags;
+
/**
* @mm_start: start of the VA space
*/
@@ -256,7 +271,7 @@ struct drm_gpuvm {
};

void drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_device *drm,
- const char *name,
+ const char *name, enum drm_gpuva_flags flags,
u64 start_offset, u64 range,
u64 reserve_offset, u64 reserve_range,
const struct drm_gpuvm_ops *ops);
--
2.41.0