[PATCH v2 2/3] drm: plumb attaching dev thru to prime_pin/unpin

From: Rob Clark
Date: Tue Jul 16 2019 - 13:48:16 EST

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From: Rob Clark <robdclark@xxxxxxxxxxxx>

Needed in the following patch for cache operations.

Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/drm_gem.c | 10 ++++++----
drivers/gpu/drm/drm_gem_vram_helper.c | 6 ++++--
drivers/gpu/drm/drm_prime.c | 4 ++--
drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 4 ++--
drivers/gpu/drm/msm/msm_drv.h | 4 ++--
drivers/gpu/drm/msm/msm_gem_prime.c | 4 ++--
drivers/gpu/drm/nouveau/nouveau_gem.h | 4 ++--
drivers/gpu/drm/nouveau/nouveau_prime.c | 4 ++--
drivers/gpu/drm/qxl/qxl_prime.c | 4 ++--
drivers/gpu/drm/radeon/radeon_prime.c | 4 ++--
drivers/gpu/drm/vboxvideo/vbox_prime.c | 4 ++--
drivers/gpu/drm/vgem/vgem_drv.c | 4 ++--
include/drm/drm_drv.h | 4 ++--
include/drm/drm_gem.h | 4 ++--
include/drm/drm_gem_vram_helper.h | 4 ++--
15 files changed, 36 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 7d6242cc69f2..0a2645769624 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1219,18 +1219,19 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
/**
* drm_gem_pin - Pin backing buffer in memory
* @obj: GEM object
+ * @dev: the device the buffer is being pinned for
*
* Make sure the backing buffer is pinned in memory.
*
* Returns:
* 0 on success or a negative error code on failure.
*/
-int drm_gem_pin(struct drm_gem_object *obj)
+int drm_gem_pin(struct drm_gem_object *obj, struct device *dev)
{
if (obj->funcs && obj->funcs->pin)
return obj->funcs->pin(obj);
else if (obj->dev->driver->gem_prime_pin)
- return obj->dev->driver->gem_prime_pin(obj);
+ return obj->dev->driver->gem_prime_pin(obj, dev);
else
return 0;
}
@@ -1239,15 +1240,16 @@ EXPORT_SYMBOL(drm_gem_pin);
/**
* drm_gem_unpin - Unpin backing buffer from memory
* @obj: GEM object
+ * @dev: the device the buffer is being pinned for
*
* Relax the requirement that the backing buffer is pinned in memory.
*/
-void drm_gem_unpin(struct drm_gem_object *obj)
+void drm_gem_unpin(struct drm_gem_object *obj, struct device *dev)
{
if (obj->funcs && obj->funcs->unpin)
obj->funcs->unpin(obj);
else if (obj->dev->driver->gem_prime_unpin)
- obj->dev->driver->gem_prime_unpin(obj);
+ obj->dev->driver->gem_prime_unpin(obj, dev);
}
EXPORT_SYMBOL(drm_gem_unpin);

diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 4de782ca26b2..62fafec93948 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -548,7 +548,8 @@ EXPORT_SYMBOL(drm_gem_vram_driver_dumb_mmap_offset);
* 0 on success, or
* a negative errno code otherwise.
*/
-int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *gem)
+int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *gem,
+ struct device *dev)
{
struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem);

@@ -569,7 +570,8 @@ EXPORT_SYMBOL(drm_gem_vram_driver_gem_prime_pin);
Implements &struct drm_driver.gem_prime_unpin
* @gem: The GEM object to unpin
*/
-void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *gem)
+void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *gem,
+ struct device *dev)
{
struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem);

diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
index d0c01318076b..505893cfac8e 100644
--- a/drivers/gpu/drm/drm_prime.c
+++ b/drivers/gpu/drm/drm_prime.c
@@ -196,7 +196,7 @@ int drm_gem_map_attach(struct dma_buf *dma_buf,
{
struct drm_gem_object *obj = dma_buf->priv;

- return drm_gem_pin(obj);
+ return drm_gem_pin(obj, attach->dev);
}
EXPORT_SYMBOL(drm_gem_map_attach);

@@ -213,7 +213,7 @@ void drm_gem_map_detach(struct dma_buf *dma_buf,
{
struct drm_gem_object *obj = dma_buf->priv;

- drm_gem_unpin(obj);
+ drm_gem_unpin(obj, attach->dev);
}
EXPORT_SYMBOL(drm_gem_map_detach);

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index 00e8b6a817e3..44385d590aa7 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -43,7 +43,7 @@ int etnaviv_gem_prime_mmap(struct drm_gem_object *obj,
return etnaviv_obj->ops->mmap(etnaviv_obj, vma);
}

-int etnaviv_gem_prime_pin(struct drm_gem_object *obj)
+int etnaviv_gem_prime_pin(struct drm_gem_object *obj, struct device *dev)
{
if (!obj->import_attach) {
struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
@@ -55,7 +55,7 @@ int etnaviv_gem_prime_pin(struct drm_gem_object *obj)
return 0;
}

-void etnaviv_gem_prime_unpin(struct drm_gem_object *obj)
+void etnaviv_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev)
{
if (!obj->import_attach) {
struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 9ada948f6b01..6f8f6df9c289 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -298,8 +298,8 @@ void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
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);
-int msm_gem_prime_pin(struct drm_gem_object *obj);
-void msm_gem_prime_unpin(struct drm_gem_object *obj);
+int msm_gem_prime_pin(struct drm_gem_object *obj, struct device *dev);
+void msm_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev);
void *msm_gem_get_vaddr(struct drm_gem_object *obj);
void *msm_gem_get_vaddr_active(struct drm_gem_object *obj);
void msm_gem_put_vaddr(struct drm_gem_object *obj);
diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c
index 60bb290700ce..8e0ddf5c9460 100644
--- a/drivers/gpu/drm/msm/msm_gem_prime.c
+++ b/drivers/gpu/drm/msm/msm_gem_prime.c
@@ -58,14 +58,14 @@ struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
return msm_gem_import(dev, attach->dmabuf, sg);
}

-int msm_gem_prime_pin(struct drm_gem_object *obj)
+int msm_gem_prime_pin(struct drm_gem_object *obj, struct device *dev)
{
if (!obj->import_attach)
msm_gem_get_pages(obj);
return 0;
}

-void msm_gem_prime_unpin(struct drm_gem_object *obj)
+void msm_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev)
{
if (!obj->import_attach)
msm_gem_put_pages(obj);
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.h b/drivers/gpu/drm/nouveau/nouveau_gem.h
index fe39998f65cc..91dcf89138f1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.h
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.h
@@ -32,9 +32,9 @@ extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
extern int nouveau_gem_ioctl_info(struct drm_device *, void *,
struct drm_file *);

-extern int nouveau_gem_prime_pin(struct drm_gem_object *);
+extern int nouveau_gem_prime_pin(struct drm_gem_object *, struct device *);
struct reservation_object *nouveau_gem_prime_res_obj(struct drm_gem_object *);
-extern void nouveau_gem_prime_unpin(struct drm_gem_object *);
+extern void nouveau_gem_prime_unpin(struct drm_gem_object *, struct device *);
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 *, struct dma_buf_attachment *, struct sg_table *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_prime.c b/drivers/gpu/drm/nouveau/nouveau_prime.c
index 1fefc93af1d7..dec2d5e37b34 100644
--- a/drivers/gpu/drm/nouveau/nouveau_prime.c
+++ b/drivers/gpu/drm/nouveau/nouveau_prime.c
@@ -88,7 +88,7 @@ struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev,
return &nvbo->gem;
}

-int nouveau_gem_prime_pin(struct drm_gem_object *obj)
+int nouveau_gem_prime_pin(struct drm_gem_object *obj, struct device *dev)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
int ret;
@@ -101,7 +101,7 @@ int nouveau_gem_prime_pin(struct drm_gem_object *obj)
return 0;
}

-void nouveau_gem_prime_unpin(struct drm_gem_object *obj)
+void nouveau_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);

diff --git a/drivers/gpu/drm/qxl/qxl_prime.c b/drivers/gpu/drm/qxl/qxl_prime.c
index 7d3816fca5a8..21e9b44eb2e4 100644
--- a/drivers/gpu/drm/qxl/qxl_prime.c
+++ b/drivers/gpu/drm/qxl/qxl_prime.c
@@ -28,14 +28,14 @@
/* Empty Implementations as there should not be any other driver for a virtual
* device that might share buffers with qxl */

-int qxl_gem_prime_pin(struct drm_gem_object *obj)
+int qxl_gem_prime_pin(struct drm_gem_object *obj, struct device *dev)
{
struct qxl_bo *bo = gem_to_qxl_bo(obj);

return qxl_bo_pin(bo);
}

-void qxl_gem_prime_unpin(struct drm_gem_object *obj)
+void qxl_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev)
{
struct qxl_bo *bo = gem_to_qxl_bo(obj);

diff --git a/drivers/gpu/drm/radeon/radeon_prime.c b/drivers/gpu/drm/radeon/radeon_prime.c
index d3a5bea9a2c5..2d3eadcf0f2d 100644
--- a/drivers/gpu/drm/radeon/radeon_prime.c
+++ b/drivers/gpu/drm/radeon/radeon_prime.c
@@ -83,7 +83,7 @@ struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
return &bo->gem_base;
}

-int radeon_gem_prime_pin(struct drm_gem_object *obj)
+int radeon_gem_prime_pin(struct drm_gem_object *obj, struct device *dev)
{
struct radeon_bo *bo = gem_to_radeon_bo(obj);
int ret = 0;
@@ -101,7 +101,7 @@ int radeon_gem_prime_pin(struct drm_gem_object *obj)
return ret;
}

-void radeon_gem_prime_unpin(struct drm_gem_object *obj)
+void radeon_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev)
{
struct radeon_bo *bo = gem_to_radeon_bo(obj);
int ret = 0;
diff --git a/drivers/gpu/drm/vboxvideo/vbox_prime.c b/drivers/gpu/drm/vboxvideo/vbox_prime.c
index 702b1aa53494..ad6de9a41950 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_prime.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_prime.c
@@ -13,13 +13,13 @@
* device that might share buffers with vboxvideo
*/

-int vbox_gem_prime_pin(struct drm_gem_object *obj)
+int vbox_gem_prime_pin(struct drm_gem_object *obj, struct device *dev)
{
WARN_ONCE(1, "not implemented");
return -ENODEV;
}

-void vbox_gem_prime_unpin(struct drm_gem_object *obj)
+void vbox_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev)
{
WARN_ONCE(1, "not implemented");
}
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 11a8f99ba18c..a179e962b79e 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -307,7 +307,7 @@ static void vgem_unpin_pages(struct drm_vgem_gem_object *bo)
mutex_unlock(&bo->pages_lock);
}

-static int vgem_prime_pin(struct drm_gem_object *obj)
+static int vgem_prime_pin(struct drm_gem_object *obj, struct device *dev)
{
struct drm_vgem_gem_object *bo = to_vgem_bo(obj);
long n_pages = obj->size >> PAGE_SHIFT;
@@ -325,7 +325,7 @@ static int vgem_prime_pin(struct drm_gem_object *obj)
return 0;
}

-static void vgem_prime_unpin(struct drm_gem_object *obj)
+static void vgem_prime_unpin(struct drm_gem_object *obj, struct device *dev)
{
struct drm_vgem_gem_object *bo = to_vgem_bo(obj);

diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 68ca736c548d..6a9489b9532f 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -584,8 +584,8 @@ struct drm_driver {
*/
struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
struct dma_buf *dma_buf);
- int (*gem_prime_pin)(struct drm_gem_object *obj);
- void (*gem_prime_unpin)(struct drm_gem_object *obj);
+ int (*gem_prime_pin)(struct drm_gem_object *obj, struct device *dev);
+ void (*gem_prime_unpin)(struct drm_gem_object *obj, struct device *dev);
struct reservation_object * (*gem_prime_res_obj)(
struct drm_gem_object *obj);
struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj);
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 5047c7ee25f5..ebd12be354d2 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -401,8 +401,8 @@ int drm_gem_dumb_destroy(struct drm_file *file,
struct drm_device *dev,
uint32_t handle);

-int drm_gem_pin(struct drm_gem_object *obj);
-void drm_gem_unpin(struct drm_gem_object *obj);
+int drm_gem_pin(struct drm_gem_object *obj, struct device *dev);
+void drm_gem_unpin(struct drm_gem_object *obj, struct device *dev);
void *drm_gem_vmap(struct drm_gem_object *obj);
void drm_gem_vunmap(struct drm_gem_object *obj, void *vaddr);

diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 9581ea0a4f7e..33556e157202 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -133,8 +133,8 @@ int drm_gem_vram_driver_dumb_mmap_offset(struct drm_file *file,
* PRIME helpers for struct drm_driver
*/

-int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *obj);
-void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *obj);
+int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *obj, struct device *dev);
+void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *obj, struct device *dev);
void *drm_gem_vram_driver_gem_prime_vmap(struct drm_gem_object *obj);
void drm_gem_vram_driver_gem_prime_vunmap(struct drm_gem_object *obj,
void *vaddr);
--
2.21.0

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In reply to: Rob Clark: "[PATCH v2 1/3] drm/gem: don't force writecombine mmap'ing"
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