diff mbox series

[03/16] drm/i915/vm_bind: Expose i915_gem_object_max_page_size()

Message ID 20220928061918.6340-4-niranjana.vishwanathapura@intel.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/vm_bind: Add VM_BIND functionality | expand

Commit Message

Niranjana Vishwanathapura Sept. 28, 2022, 6:19 a.m. UTC
Expose i915_gem_object_max_page_size() function non-static
which will be used by the vm_bind feature.

Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_create.c | 19 ++++++++++++++-----
 drivers/gpu/drm/i915/gem/i915_gem_object.h |  2 ++
 2 files changed, 16 insertions(+), 5 deletions(-)

Comments

Matthew Auld Sept. 28, 2022, 5:40 p.m. UTC | #1
On 28/09/2022 07:19, Niranjana Vishwanathapura wrote:
> Expose i915_gem_object_max_page_size() function non-static
> which will be used by the vm_bind feature.
> 
> Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
> ---
>   drivers/gpu/drm/i915/gem/i915_gem_create.c | 19 ++++++++++++++-----
>   drivers/gpu/drm/i915/gem/i915_gem_object.h |  2 ++
>   2 files changed, 16 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
> index 33673fe7ee0a..4aa7b5582b8e 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
> @@ -15,10 +15,19 @@
>   #include "i915_trace.h"
>   #include "i915_user_extensions.h"
>   
> -static u32 object_max_page_size(struct intel_memory_region **placements,
> -				unsigned int n_placements)
> +/**
> + * i915_gem_object_max_page_size() - max of min_page_size of the regions
> + * @placements:  list of regions
> + * @n_placements: number of the placements
> + *
> + * Calculates the max of the min_page_size of a list of placements passed in.
> + *
> + * Return: max of the min_page_size

"max of the min_page_size, or I915_GTT_PAGE_SIZE_4K if zero placements."

Acked-by: Matthew Auld <matthew.auld@intel.com>

> + */
> +u32 i915_gem_object_max_page_size(struct intel_memory_region **placements,
> +				  unsigned int n_placements)
>   {
> -	u32 max_page_size = 0;
> +	u32 max_page_size = I915_GTT_PAGE_SIZE_4K;
>   	int i;
>   
>   	for (i = 0; i < n_placements; i++) {
> @@ -28,7 +37,6 @@ static u32 object_max_page_size(struct intel_memory_region **placements,
>   		max_page_size = max_t(u32, max_page_size, mr->min_page_size);
>   	}
>   
> -	GEM_BUG_ON(!max_page_size);
>   	return max_page_size;
>   }
>   
> @@ -99,7 +107,8 @@ __i915_gem_object_create_user_ext(struct drm_i915_private *i915, u64 size,
>   
>   	i915_gem_flush_free_objects(i915);
>   
> -	size = round_up(size, object_max_page_size(placements, n_placements));
> +	size = round_up(size, i915_gem_object_max_page_size(placements,
> +							    n_placements));
>   	if (size == 0)
>   		return ERR_PTR(-EINVAL);
>   
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
> index a3b7551a57fc..d53d01b1860a 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
> @@ -47,6 +47,8 @@ static inline bool i915_gem_object_size_2big(u64 size)
>   }
>   
>   void i915_gem_init__objects(struct drm_i915_private *i915);
> +u32 i915_gem_object_max_page_size(struct intel_memory_region **placements,
> +				  unsigned int n_placements);
>   
>   void i915_objects_module_exit(void);
>   int i915_objects_module_init(void);
Niranjana Vishwanathapura Sept. 29, 2022, 5:20 a.m. UTC | #2
On Wed, Sep 28, 2022 at 06:40:01PM +0100, Matthew Auld wrote:
>On 28/09/2022 07:19, Niranjana Vishwanathapura wrote:
>>Expose i915_gem_object_max_page_size() function non-static
>>which will be used by the vm_bind feature.
>>
>>Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
>>Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
>>---
>>  drivers/gpu/drm/i915/gem/i915_gem_create.c | 19 ++++++++++++++-----
>>  drivers/gpu/drm/i915/gem/i915_gem_object.h |  2 ++
>>  2 files changed, 16 insertions(+), 5 deletions(-)
>>
>>diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
>>index 33673fe7ee0a..4aa7b5582b8e 100644
>>--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
>>+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
>>@@ -15,10 +15,19 @@
>>  #include "i915_trace.h"
>>  #include "i915_user_extensions.h"
>>-static u32 object_max_page_size(struct intel_memory_region **placements,
>>-				unsigned int n_placements)
>>+/**
>>+ * i915_gem_object_max_page_size() - max of min_page_size of the regions
>>+ * @placements:  list of regions
>>+ * @n_placements: number of the placements
>>+ *
>>+ * Calculates the max of the min_page_size of a list of placements passed in.
>>+ *
>>+ * Return: max of the min_page_size
>
>"max of the min_page_size, or I915_GTT_PAGE_SIZE_4K if zero placements."
>

ok, will update.

Regards,
Niranjana

>Acked-by: Matthew Auld <matthew.auld@intel.com>
>
>>+ */
>>+u32 i915_gem_object_max_page_size(struct intel_memory_region **placements,
>>+				  unsigned int n_placements)
>>  {
>>-	u32 max_page_size = 0;
>>+	u32 max_page_size = I915_GTT_PAGE_SIZE_4K;
>>  	int i;
>>  	for (i = 0; i < n_placements; i++) {
>>@@ -28,7 +37,6 @@ static u32 object_max_page_size(struct intel_memory_region **placements,
>>  		max_page_size = max_t(u32, max_page_size, mr->min_page_size);
>>  	}
>>-	GEM_BUG_ON(!max_page_size);
>>  	return max_page_size;
>>  }
>>@@ -99,7 +107,8 @@ __i915_gem_object_create_user_ext(struct drm_i915_private *i915, u64 size,
>>  	i915_gem_flush_free_objects(i915);
>>-	size = round_up(size, object_max_page_size(placements, n_placements));
>>+	size = round_up(size, i915_gem_object_max_page_size(placements,
>>+							    n_placements));
>>  	if (size == 0)
>>  		return ERR_PTR(-EINVAL);
>>diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
>>index a3b7551a57fc..d53d01b1860a 100644
>>--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
>>+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
>>@@ -47,6 +47,8 @@ static inline bool i915_gem_object_size_2big(u64 size)
>>  }
>>  void i915_gem_init__objects(struct drm_i915_private *i915);
>>+u32 i915_gem_object_max_page_size(struct intel_memory_region **placements,
>>+				  unsigned int n_placements);
>>  void i915_objects_module_exit(void);
>>  int i915_objects_module_init(void);
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
index 33673fe7ee0a..4aa7b5582b8e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
@@ -15,10 +15,19 @@ 
 #include "i915_trace.h"
 #include "i915_user_extensions.h"
 
-static u32 object_max_page_size(struct intel_memory_region **placements,
-				unsigned int n_placements)
+/**
+ * i915_gem_object_max_page_size() - max of min_page_size of the regions
+ * @placements:  list of regions
+ * @n_placements: number of the placements
+ *
+ * Calculates the max of the min_page_size of a list of placements passed in.
+ *
+ * Return: max of the min_page_size
+ */
+u32 i915_gem_object_max_page_size(struct intel_memory_region **placements,
+				  unsigned int n_placements)
 {
-	u32 max_page_size = 0;
+	u32 max_page_size = I915_GTT_PAGE_SIZE_4K;
 	int i;
 
 	for (i = 0; i < n_placements; i++) {
@@ -28,7 +37,6 @@  static u32 object_max_page_size(struct intel_memory_region **placements,
 		max_page_size = max_t(u32, max_page_size, mr->min_page_size);
 	}
 
-	GEM_BUG_ON(!max_page_size);
 	return max_page_size;
 }
 
@@ -99,7 +107,8 @@  __i915_gem_object_create_user_ext(struct drm_i915_private *i915, u64 size,
 
 	i915_gem_flush_free_objects(i915);
 
-	size = round_up(size, object_max_page_size(placements, n_placements));
+	size = round_up(size, i915_gem_object_max_page_size(placements,
+							    n_placements));
 	if (size == 0)
 		return ERR_PTR(-EINVAL);
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index a3b7551a57fc..d53d01b1860a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -47,6 +47,8 @@  static inline bool i915_gem_object_size_2big(u64 size)
 }
 
 void i915_gem_init__objects(struct drm_i915_private *i915);
+u32 i915_gem_object_max_page_size(struct intel_memory_region **placements,
+				  unsigned int n_placements);
 
 void i915_objects_module_exit(void);
 int i915_objects_module_init(void);