diff mbox series

[drm-misc-next,v6,2/6] drm/gpuvm: add drm_gpuvm_flags to drm_gpuvm

Message ID 20231008233212.13815-3-dakr@redhat.com (mailing list archive)
State New, archived
Headers show
Series DRM GPUVM features | expand

Commit Message

Danilo Krummrich Oct. 8, 2023, 11:32 p.m. UTC
Introduce flags for struct drm_gpuvm, this required by subsequent
commits.

Signed-off-by: Danilo Krummrich <dakr@redhat.com>
---
 drivers/gpu/drm/drm_gpuvm.c            |  4 +++-
 drivers/gpu/drm/nouveau/nouveau_uvmm.c |  2 +-
 include/drm/drm_gpuvm.h                | 17 ++++++++++++++++-
 3 files changed, 20 insertions(+), 3 deletions(-)

Comments

Thomas Hellstrom Oct. 13, 2023, 11:43 a.m. UTC | #1
On Mon, 2023-10-09 at 01:32 +0200, Danilo Krummrich wrote:
> Introduce flags for struct drm_gpuvm, this required by subsequent
> commits.
> 
> Signed-off-by: Danilo Krummrich <dakr@redhat.com>
> ---
>  drivers/gpu/drm/drm_gpuvm.c            |  4 +++-
>  drivers/gpu/drm/nouveau/nouveau_uvmm.c |  2 +-
>  include/drm/drm_gpuvm.h                | 17 ++++++++++++++++-
>  3 files changed, 20 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_gpuvm.c
> b/drivers/gpu/drm/drm_gpuvm.c
> index ebda9d594165..6368dfdbe9dd 100644
> --- a/drivers/gpu/drm/drm_gpuvm.c
> +++ b/drivers/gpu/drm/drm_gpuvm.c
> @@ -703,6 +703,7 @@ EXPORT_SYMBOL_GPL(drm_gpuvm_root_object_alloc);
>   * @gpuvm: pointer to the &drm_gpuvm to initialize
>   * @r_obj: the root &drm_gem_object providing the GPUVM's common
> &dma_resv
>   * @name: the name of the GPU VA space
> + * @flags: the &drm_gpuvm_flags for this GPUVM

NIT: It looks like kerneldoc guidelines recommends using &enum
drm_gpuvm_flags in new  code

>   * @start_offset: the start offset of the GPU VA space
>   * @range: the size of the GPU VA space
>   * @reserve_offset: the start of the kernel reserved GPU VA area
> @@ -716,7 +717,7 @@ EXPORT_SYMBOL_GPL(drm_gpuvm_root_object_alloc);
>   */
>  void
>  drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_gem_object
> *r_obj,
> -              const char *name,
> +              const char *name, enum drm_gpuvm_flags flags,
>                u64 start_offset, u64 range,
>                u64 reserve_offset, u64 reserve_range,
>                const struct drm_gpuvm_ops *ops)
> @@ -729,6 +730,7 @@ drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct
> drm_gem_object *r_obj,
>         gpuvm->mm_range = range;
>  
>         gpuvm->name = name ? name : "unknown";
> +       gpuvm->flags = flags;
>         gpuvm->ops = ops;
>         gpuvm->r_obj = r_obj;
>  
> diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
> b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
> index 4dea847ef989..93ad2ba7ec8b 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
> @@ -1843,7 +1843,7 @@ 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, r_obj, cli->name,
> +       drm_gpuvm_init(&uvmm->base, r_obj, 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 0aec14d8b259..13539f32c2e2 100644
> --- a/include/drm/drm_gpuvm.h
> +++ b/include/drm/drm_gpuvm.h
> @@ -183,6 +183,16 @@ 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),

BIT(0)

> +};
> +
>  /**
>   * struct drm_gpuvm - DRM GPU VA Manager
>   *
> @@ -201,6 +211,11 @@ struct drm_gpuvm {
>          */
>         const char *name;
>  
> +       /**
> +        * @flags: the &drm_gpuvm_flags of this GPUVM
enum?
> +        */
> +       enum drm_gpuvm_flags flags;
> +
>         /**
>          * @mm_start: start of the VA space
>          */
> @@ -246,7 +261,7 @@ struct drm_gpuvm {
>  };
>  
>  void drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_gem_object
> *r_obj,
> -                   const char *name,
> +                   const char *name, enum drm_gpuvm_flags flags,
>                     u64 start_offset, u64 range,
>                     u64 reserve_offset, u64 reserve_range,
>                     const struct drm_gpuvm_ops *ops);

Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c
index ebda9d594165..6368dfdbe9dd 100644
--- a/drivers/gpu/drm/drm_gpuvm.c
+++ b/drivers/gpu/drm/drm_gpuvm.c
@@ -703,6 +703,7 @@  EXPORT_SYMBOL_GPL(drm_gpuvm_root_object_alloc);
  * @gpuvm: pointer to the &drm_gpuvm to initialize
  * @r_obj: the root &drm_gem_object providing the GPUVM's common &dma_resv
  * @name: the name of the GPU VA space
+ * @flags: the &drm_gpuvm_flags for this GPUVM
  * @start_offset: the start offset of the GPU VA space
  * @range: the size of the GPU VA space
  * @reserve_offset: the start of the kernel reserved GPU VA area
@@ -716,7 +717,7 @@  EXPORT_SYMBOL_GPL(drm_gpuvm_root_object_alloc);
  */
 void
 drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_gem_object *r_obj,
-	       const char *name,
+	       const char *name, enum drm_gpuvm_flags flags,
 	       u64 start_offset, u64 range,
 	       u64 reserve_offset, u64 reserve_range,
 	       const struct drm_gpuvm_ops *ops)
@@ -729,6 +730,7 @@  drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_gem_object *r_obj,
 	gpuvm->mm_range = range;
 
 	gpuvm->name = name ? name : "unknown";
+	gpuvm->flags = flags;
 	gpuvm->ops = ops;
 	gpuvm->r_obj = r_obj;
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_uvmm.c b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
index 4dea847ef989..93ad2ba7ec8b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c
@@ -1843,7 +1843,7 @@  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, r_obj, cli->name,
+	drm_gpuvm_init(&uvmm->base, r_obj, 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 0aec14d8b259..13539f32c2e2 100644
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -183,6 +183,16 @@  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
  *
@@ -201,6 +211,11 @@  struct drm_gpuvm {
 	 */
 	const char *name;
 
+	/**
+	 * @flags: the &drm_gpuvm_flags of this GPUVM
+	 */
+	enum drm_gpuvm_flags flags;
+
 	/**
 	 * @mm_start: start of the VA space
 	 */
@@ -246,7 +261,7 @@  struct drm_gpuvm {
 };
 
 void drm_gpuvm_init(struct drm_gpuvm *gpuvm, struct drm_gem_object *r_obj,
-		    const char *name,
+		    const char *name, enum drm_gpuvm_flags flags,
 		    u64 start_offset, u64 range,
 		    u64 reserve_offset, u64 reserve_range,
 		    const struct drm_gpuvm_ops *ops);