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Commit 79f0e202 authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm: use imported dmabuf's reservation object 



This was always the intention, but somehow it was never wired up
properly.

Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent fde5de6c

drivers/gpu/drm/msm/msm_drv.h

+1 −1
Original line number Diff line number Diff line
@@ -208,7 +208,7 @@ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, 
struct drm_gem_object *msm_gem_new(struct drm_device *dev,

		uint32_t size, uint32_t flags);

struct drm_gem_object *msm_gem_import(struct drm_device *dev,

		uint32_t size, struct sg_table *sgt);

		struct dma_buf *dmabuf, struct sg_table *sgt);



int msm_framebuffer_prepare(struct drm_framebuffer *fb, int id);

void msm_framebuffer_cleanup(struct drm_framebuffer *fb, int id);

drivers/gpu/drm/msm/msm_gem.c

+12 −6
Original line number Diff line number Diff line
@@ -584,6 +584,7 @@ int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file, 


static int msm_gem_new_impl(struct drm_device *dev,

		uint32_t size, uint32_t flags,

		struct reservation_object *resv,

		struct drm_gem_object **obj)

{

	struct msm_drm_private *priv = dev->dev_private;
@@ -623,8 +624,12 @@ static int msm_gem_new_impl(struct drm_device *dev, 


	msm_obj->flags = flags;



	if (resv) {

		msm_obj->resv = resv;

	} else {

		msm_obj->resv = &msm_obj->_resv;

		reservation_object_init(msm_obj->resv);

	}



	INIT_LIST_HEAD(&msm_obj->submit_entry);

	list_add_tail(&msm_obj->mm_list, &priv->inactive_list);
@@ -644,7 +649,7 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev, 


	size = PAGE_ALIGN(size);



	ret = msm_gem_new_impl(dev, size, flags, &obj);

	ret = msm_gem_new_impl(dev, size, flags, NULL, &obj);

	if (ret)

		goto fail;
@@ -666,10 +671,11 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev, 
}



struct drm_gem_object *msm_gem_import(struct drm_device *dev,

		uint32_t size, struct sg_table *sgt)

		struct dma_buf *dmabuf, struct sg_table *sgt)

{

	struct msm_gem_object *msm_obj;

	struct drm_gem_object *obj;

	uint32_t size;

	int ret, npages;



	/* if we don't have IOMMU, don't bother pretending we can import: */
@@ -678,9 +684,9 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, 
		return ERR_PTR(-EINVAL);

	}



	size = PAGE_ALIGN(size);

	size = PAGE_ALIGN(dmabuf->size);



	ret = msm_gem_new_impl(dev, size, MSM_BO_WC, &obj);

	ret = msm_gem_new_impl(dev, size, MSM_BO_WC, dmabuf->resv, &obj);

	if (ret)

		goto fail;

drivers/gpu/drm/msm/msm_gem_prime.c

+1 −1
Original line number Diff line number Diff line
@@ -55,7 +55,7 @@ int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) 
struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,

		struct dma_buf_attachment *attach, struct sg_table *sg)

{

	return msm_gem_import(dev, attach->dmabuf->size, sg);

	return msm_gem_import(dev, attach->dmabuf, sg);

}



int msm_gem_prime_pin(struct drm_gem_object *obj)