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drm: Pass dma-buf as argument to gem_prime_import_sg_table 

Allows importing dma_reservation_objects from a dma-buf.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
This commit is contained in:
Maarten Lankhorst 2014-01-09 11:03:14 +01:00
parent 15a996bbb6
commit b5e9c1a25f
12 changed files with 24 additions and 17 deletions
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7
drivers/gpu/drm/drm_gem_cma_helper.c
View File

@ -316,7 +316,8 @@ struct sg_table *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj)
EXPORT_SYMBOL_GPL(drm_gem_cma_prime_get_sg_table);
struct drm_gem_object *
drm_gem_cma_prime_import_sg_table(struct drm_device *dev, size_t size,
drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sgt)
{
struct drm_gem_cma_object *cma_obj;
@ -325,14 +326,14 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev, size_t size,
return ERR_PTR(-EINVAL);
/* Create a CMA GEM buffer. */
cma_obj = __drm_gem_cma_create(dev, size);
cma_obj = __drm_gem_cma_create(dev, attach->dmabuf->size);
if (IS_ERR(cma_obj))
return ERR_CAST(cma_obj);
cma_obj->paddr = sg_dma_address(sgt->sgl);
cma_obj->sgt = sgt;
DRM_DEBUG_PRIME("dma_addr = %pad, size = %zu\n", &cma_obj->paddr, size);
DRM_DEBUG_PRIME("dma_addr = %pad, size = %zu\n", &cma_obj->paddr, attach->dmabuf->size);
return &cma_obj->base;
}

2
drivers/gpu/drm/drm_prime.c
View File

@ -525,7 +525,7 @@ struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
goto fail_detach;
}
obj = dev->driver->gem_prime_import_sg_table(dev, dma_buf->size, sgt);
obj = dev->driver->gem_prime_import_sg_table(dev, attach, sgt);
if (IS_ERR(obj)) {
ret = PTR_ERR(obj);
goto fail_unmap;

2
drivers/gpu/drm/msm/msm_drv.h
View File

@ -171,7 +171,7 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj);
void *msm_gem_prime_vmap(struct drm_gem_object *obj);
void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
size_t size, struct sg_table *sg);
struct dma_buf_attachment *attach, struct sg_table *sg);
int msm_gem_prime_pin(struct drm_gem_object *obj);
void msm_gem_prime_unpin(struct drm_gem_object *obj);
void *msm_gem_vaddr_locked(struct drm_gem_object *obj);

5
drivers/gpu/drm/msm/msm_gem_prime.c
View File

@ -18,6 +18,7 @@
#include "msm_drv.h"
#include "msm_gem.h"
#include <linux/dma-buf.h>
struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj)
{
@ -37,9 +38,9 @@ void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
}
struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
size_t size, struct sg_table *sg)
struct dma_buf_attachment *attach, struct sg_table *sg)
{
return msm_gem_import(dev, size, sg);
return msm_gem_import(dev, attach->dmabuf->size, sg);
}
int msm_gem_prime_pin(struct drm_gem_object *obj)

2
drivers/gpu/drm/nouveau/nouveau_gem.h
View File

@ -39,7 +39,7 @@ struct reservation_object *nouveau_gem_prime_res_obj(struct drm_gem_object *);
extern void nouveau_gem_prime_unpin(struct drm_gem_object *);
extern struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *);
extern struct drm_gem_object *nouveau_gem_prime_import_sg_table(
struct drm_device *, size_t size, struct sg_table *);
struct drm_device *, struct dma_buf_attachment *, struct sg_table *);
extern void *nouveau_gem_prime_vmap(struct drm_gem_object *);
extern void nouveau_gem_prime_vunmap(struct drm_gem_object *, void *);

5
drivers/gpu/drm/nouveau/nouveau_prime.c
View File

@ -23,6 +23,7 @@
*/
#include <drm/drmP.h>
#include <linux/dma-buf.h>
#include "nouveau_drm.h"
#include "nouveau_gem.h"
@ -56,7 +57,7 @@ void nouveau_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
}
struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev,
size_t size,
struct dma_buf_attachment *attach,
struct sg_table *sg)
{
struct nouveau_bo *nvbo;
@ -65,7 +66,7 @@ struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev,
flags = TTM_PL_FLAG_TT;
ret = nouveau_bo_new(dev, size, 0, flags, 0, 0,
ret = nouveau_bo_new(dev, attach->dmabuf->size, 0, flags, 0, 0,
sg, &nvbo);
if (ret)
return ERR_PTR(ret);

2
drivers/gpu/drm/qxl/qxl_drv.h
View File

@ -537,7 +537,7 @@ int qxl_gem_prime_pin(struct drm_gem_object *obj);
void qxl_gem_prime_unpin(struct drm_gem_object *obj);
struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *qxl_gem_prime_import_sg_table(
struct drm_device *dev, size_t size,
struct drm_device *dev, struct dma_buf_attachment *attach,
struct sg_table *sgt);
void *qxl_gem_prime_vmap(struct drm_gem_object *obj);
void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);

2
drivers/gpu/drm/qxl/qxl_prime.c
View File

@ -46,7 +46,7 @@ struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj)
}
struct drm_gem_object *qxl_gem_prime_import_sg_table(
struct drm_device *dev, size_t size,
struct drm_device *dev, struct dma_buf_attachment *attach,
struct sg_table *table)
{
WARN_ONCE(1, "not implemented");

2
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -135,7 +135,7 @@ int radeon_mode_dumb_create(struct drm_file *file_priv,
struct drm_mode_create_dumb *args);
struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
size_t size,
struct dma_buf_attachment *,
struct sg_table *sg);
int radeon_gem_prime_pin(struct drm_gem_object *obj);
void radeon_gem_prime_unpin(struct drm_gem_object *obj);

5
drivers/gpu/drm/radeon/radeon_prime.c
View File

@ -27,6 +27,7 @@
#include "radeon.h"
#include <drm/radeon_drm.h>
#include <linux/dma-buf.h>
struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj)
{
@ -57,14 +58,14 @@ void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
}
struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
size_t size,
struct dma_buf_attachment *attach,
struct sg_table *sg)
{
struct radeon_device *rdev = dev->dev_private;
struct radeon_bo *bo;
int ret;
ret = radeon_bo_create(rdev, size, PAGE_SIZE, false,
ret = radeon_bo_create(rdev, attach->dmabuf->size, PAGE_SIZE, false,
RADEON_GEM_DOMAIN_GTT, 0, sg, &bo);
if (ret)
return ERR_PTR(ret);

4
include/drm/drmP.h
View File

@ -87,6 +87,7 @@ struct drm_gem_object;
struct device_node;
struct videomode;
struct reservation_object;
struct dma_buf_attachment;
/*
* 4 debug categories are defined:
@ -570,7 +571,8 @@ struct drm_driver {
struct drm_gem_object *obj);
struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj);
struct drm_gem_object *(*gem_prime_import_sg_table)(
struct drm_device *dev, size_t size,
struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sgt);
void *(*gem_prime_vmap)(struct drm_gem_object *obj);
void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr);

3
include/drm/drm_gem_cma_helper.h
View File

@ -45,7 +45,8 @@ void drm_gem_cma_describe(struct drm_gem_cma_object *obj, struct seq_file *m);
struct sg_table *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj);
struct drm_gem_object *
drm_gem_cma_prime_import_sg_table(struct drm_device *dev, size_t size,
drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sgt);
int drm_gem_cma_prime_mmap(struct drm_gem_object *obj,
struct vm_area_struct *vma);