@@ -136,6 +136,7 @@ gem-y += \
gem/i915_gem_clflush.o \
gem/i915_gem_client_blt.o \
gem/i915_gem_context.o \
+ gem/i915_gem_create.o \
gem/i915_gem_dmabuf.o \
gem/i915_gem_domain.o \
gem/i915_gem_execbuffer.o \
new file mode 100644
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include "gem/i915_gem_ioctls.h"
+#include "gem/i915_gem_region.h"
+
+#include "i915_drv.h"
+
+static int
+i915_gem_create(struct drm_file *file,
+ struct intel_memory_region *mr,
+ u64 *size_p,
+ u32 *handle_p)
+{
+ struct drm_i915_gem_object *obj;
+ u32 handle;
+ u64 size;
+ int ret;
+
+ GEM_BUG_ON(!is_power_of_2(mr->min_page_size));
+ size = round_up(*size_p, mr->min_page_size);
+ if (size == 0)
+ return -EINVAL;
+
+ /* For most of the ABI (e.g. mmap) we think in system pages */
+ GEM_BUG_ON(!IS_ALIGNED(size, PAGE_SIZE));
+
+ /* Allocate the new object */
+ obj = i915_gem_object_create_region(mr, size, 0);
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ ret = drm_gem_handle_create(file, &obj->base, &handle);
+ /* drop reference from allocate - handle holds it now */
+ i915_gem_object_put(obj);
+ if (ret)
+ return ret;
+
+ *handle_p = handle;
+ *size_p = size;
+ return 0;
+}
+
+int
+i915_gem_dumb_create(struct drm_file *file,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args)
+{
+ enum intel_memory_type mem_type;
+ int cpp = DIV_ROUND_UP(args->bpp, 8);
+ u32 format;
+
+ switch (cpp) {
+ case 1:
+ format = DRM_FORMAT_C8;
+ break;
+ case 2:
+ format = DRM_FORMAT_RGB565;
+ break;
+ case 4:
+ format = DRM_FORMAT_XRGB8888;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* have to work out size/pitch and return them */
+ args->pitch = ALIGN(args->width * cpp, 64);
+
+ /* align stride to page size so that we can remap */
+ if (args->pitch > intel_plane_fb_max_stride(to_i915(dev), format,
+ DRM_FORMAT_MOD_LINEAR))
+ args->pitch = ALIGN(args->pitch, 4096);
+
+ if (args->pitch < args->width)
+ return -EINVAL;
+
+ args->size = mul_u32_u32(args->pitch, args->height);
+
+ mem_type = INTEL_MEMORY_SYSTEM;
+ if (HAS_LMEM(to_i915(dev)))
+ mem_type = INTEL_MEMORY_LOCAL;
+
+ return i915_gem_create(file,
+ intel_memory_region_by_type(to_i915(dev),
+ mem_type),
+ &args->size, &args->handle);
+}
+
+/**
+ * Creates a new mm object and returns a handle to it.
+ * @dev: drm device pointer
+ * @data: ioctl data blob
+ * @file: drm file pointer
+ */
+int
+i915_gem_create_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct drm_i915_private *i915 = to_i915(dev);
+ struct drm_i915_gem_create *args = data;
+
+ i915_gem_flush_free_objects(i915);
+
+ return i915_gem_create(file,
+ intel_memory_region_by_type(i915,
+ INTEL_MEMORY_SYSTEM),
+ &args->size, &args->handle);
+}
@@ -179,108 +179,6 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
return ret;
}
-static int
-i915_gem_create(struct drm_file *file,
- struct intel_memory_region *mr,
- u64 *size_p,
- u32 *handle_p)
-{
- struct drm_i915_gem_object *obj;
- u32 handle;
- u64 size;
- int ret;
-
- GEM_BUG_ON(!is_power_of_2(mr->min_page_size));
- size = round_up(*size_p, mr->min_page_size);
- if (size == 0)
- return -EINVAL;
-
- /* For most of the ABI (e.g. mmap) we think in system pages */
- GEM_BUG_ON(!IS_ALIGNED(size, PAGE_SIZE));
-
- /* Allocate the new object */
- obj = i915_gem_object_create_region(mr, size, 0);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
-
- ret = drm_gem_handle_create(file, &obj->base, &handle);
- /* drop reference from allocate - handle holds it now */
- i915_gem_object_put(obj);
- if (ret)
- return ret;
-
- *handle_p = handle;
- *size_p = size;
- return 0;
-}
-
-int
-i915_gem_dumb_create(struct drm_file *file,
- struct drm_device *dev,
- struct drm_mode_create_dumb *args)
-{
- enum intel_memory_type mem_type;
- int cpp = DIV_ROUND_UP(args->bpp, 8);
- u32 format;
-
- switch (cpp) {
- case 1:
- format = DRM_FORMAT_C8;
- break;
- case 2:
- format = DRM_FORMAT_RGB565;
- break;
- case 4:
- format = DRM_FORMAT_XRGB8888;
- break;
- default:
- return -EINVAL;
- }
-
- /* have to work out size/pitch and return them */
- args->pitch = ALIGN(args->width * cpp, 64);
-
- /* align stride to page size so that we can remap */
- if (args->pitch > intel_plane_fb_max_stride(to_i915(dev), format,
- DRM_FORMAT_MOD_LINEAR))
- args->pitch = ALIGN(args->pitch, 4096);
-
- if (args->pitch < args->width)
- return -EINVAL;
-
- args->size = mul_u32_u32(args->pitch, args->height);
-
- mem_type = INTEL_MEMORY_SYSTEM;
- if (HAS_LMEM(to_i915(dev)))
- mem_type = INTEL_MEMORY_LOCAL;
-
- return i915_gem_create(file,
- intel_memory_region_by_type(to_i915(dev),
- mem_type),
- &args->size, &args->handle);
-}
-
-/**
- * Creates a new mm object and returns a handle to it.
- * @dev: drm device pointer
- * @data: ioctl data blob
- * @file: drm file pointer
- */
-int
-i915_gem_create_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file)
-{
- struct drm_i915_private *i915 = to_i915(dev);
- struct drm_i915_gem_create *args = data;
-
- i915_gem_flush_free_objects(i915);
-
- return i915_gem_create(file,
- intel_memory_region_by_type(i915,
- INTEL_MEMORY_SYSTEM),
- &args->size, &args->handle);
-}
-
static int
shmem_pread(struct page *page, int offset, int len, char __user *user_data,
bool needs_clflush)
In preparation for gem_create_ext break out the gem_create uAPI, so that we don't clutter i915_gem.c once we start adding various extensions Signed-off-by: Matthew Auld <matthew.auld@intel.com> --- drivers/gpu/drm/i915/Makefile | 1 + drivers/gpu/drm/i915/gem/i915_gem_create.c | 111 +++++++++++++++++++++ drivers/gpu/drm/i915/i915_gem.c | 102 ------------------- 3 files changed, 112 insertions(+), 102 deletions(-) create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_create.c