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@xxxxxxxxx>
Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
---
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@xxxxxxxxx>
+ */
+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);
