With the upcoming gem_create_ext we want to be able create a "vanilla" object upfront and pass that directly to the extensions, before actually initialising the object. Functionally this should be the same expect we now feed the object into the lower-level region specific init_object.
Signed-off-by: Matthew Auld <matthew.a...@intel.com> Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com> Cc: Thomas Hellström <thomas.hellst...@linux.intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com> Cc: Lionel Landwerlin <lionel.g.landwer...@linux.intel.com> Cc: Jon Bloomfield <jon.bloomfi...@intel.com> Cc: Jordan Justen <jordan.l.jus...@intel.com> Cc: Daniel Vetter <daniel.vet...@intel.com> Cc: Kenneth Graunke <kenn...@whitecape.org> Cc: Jason Ekstrand <ja...@jlekstrand.net> Cc: Dave Airlie <airl...@gmail.com> Cc: dri-de...@lists.freedesktop.org Cc: mesa-...@lists.freedesktop.org Reviewed-by: Kenneth Graunke <kenn...@whitecape.org> --- drivers/gpu/drm/i915/gem/i915_gem_create.c | 92 +++++++++++++++------- 1 file changed, 65 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c index 45d60e3d98e3..409226df0dd2 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_create.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c @@ -7,41 +7,51 @@ #include "gem/i915_gem_region.h" #include "i915_drv.h" +#include "i915_trace.h" + +static int i915_gem_publish(struct drm_i915_gem_object *obj, + struct drm_file *file, + u64 *size_p, + u32 *handle_p) +{ + u64 size = obj->base.size; + int ret; + + ret = drm_gem_handle_create(file, &obj->base, handle_p); + /* drop reference from allocate - handle holds it now */ + i915_gem_object_put(obj); + if (ret) + return ret; + + *size_p = size; + return 0; +} static int -i915_gem_create(struct drm_file *file, - struct intel_memory_region *mr, - u64 *size_p, - u32 *handle_p) +i915_gem_setup(struct drm_i915_gem_object *obj, + struct intel_memory_region *mr, + u64 size) { - 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); + size = round_up(size, 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); - - GEM_BUG_ON(size != obj->base.size); + if (i915_gem_object_size_2big(size)) + return -E2BIG; - ret = drm_gem_handle_create(file, &obj->base, &handle); - /* drop reference from allocate - handle holds it now */ - i915_gem_object_put(obj); + ret = mr->ops->init_object(mr, obj, size, 0); if (ret) return ret; - *handle_p = handle; - *size_p = size; + GEM_BUG_ON(size != obj->base.size); + + trace_i915_gem_object_create(obj); return 0; } @@ -50,9 +60,11 @@ i915_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { + struct drm_i915_gem_object *obj; enum intel_memory_type mem_type; int cpp = DIV_ROUND_UP(args->bpp, 8); u32 format; + int ret; switch (cpp) { case 1: @@ -85,10 +97,22 @@ i915_gem_dumb_create(struct drm_file *file, 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); + obj = i915_gem_object_alloc(); + if (!obj) + return -ENOMEM; + + ret = i915_gem_setup(obj, + intel_memory_region_by_type(to_i915(dev), + mem_type), + args->size); + if (ret) + goto object_free; + + return i915_gem_publish(obj, file, &args->size, &args->handle); + +object_free: + i915_gem_object_free(obj); + return ret; } /** @@ -103,11 +127,25 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data, { struct drm_i915_private *i915 = to_i915(dev); struct drm_i915_gem_create *args = data; + struct drm_i915_gem_object *obj; + int ret; i915_gem_flush_free_objects(i915); - return i915_gem_create(file, - intel_memory_region_by_type(i915, - INTEL_MEMORY_SYSTEM), - &args->size, &args->handle); + obj = i915_gem_object_alloc(); + if (!obj) + return -ENOMEM; + + ret = i915_gem_setup(obj, + intel_memory_region_by_type(i915, + INTEL_MEMORY_SYSTEM), + args->size); + if (ret) + goto object_free; + + return i915_gem_publish(obj, file, &args->size, &args->handle); + +object_free: + i915_gem_object_free(obj); + return ret; } -- 2.26.3 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx