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Date: Wed, 17 Jul 2019 06:59:03 +0000
From: "Koenig, Christian" <Christian.Koenig@....com>
To: Rob Clark <robdclark@...il.com>,
"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
CC: Chris Wilson <chris@...is-wilson.co.uk>,
Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
Rob Clark <robdclark@...omium.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <maxime.ripard@...tlin.com>,
Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Lucas Stach <l.stach@...gutronix.de>,
Russell King <linux+etnaviv@...linux.org.uk>,
Christian Gmeiner <christian.gmeiner@...il.com>,
Ben Skeggs <bskeggs@...hat.com>,
Dave Airlie <airlied@...hat.com>,
Gerd Hoffmann <kraxel@...hat.com>,
"Deucher, Alexander" <Alexander.Deucher@....com>,
"Zhou, David(ChunMing)" <David1.Zhou@....com>,
Emil Velikov <emil.velikov@...labora.com>,
Eric Anholt <eric@...olt.net>,
Thomas Zimmermann <tzimmermann@...e.de>,
Imre Deak <imre.deak@...el.com>,
"Sharma, Deepak" <Deepak.Sharma@....com>,
Eric Biggers <ebiggers@...gle.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"etnaviv@...ts.freedesktop.org" <etnaviv@...ts.freedesktop.org>,
"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
"freedreno@...ts.freedesktop.org" <freedreno@...ts.freedesktop.org>,
"nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
"virtualization@...ts.linux-foundation.org"
<virtualization@...ts.linux-foundation.org>,
"spice-devel@...ts.freedesktop.org"
<spice-devel@...ts.freedesktop.org>,
"amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>
Subject: Re: [PATCH v3 2/3] drm: plumb attaching dev thru to prime_pin/unpin
Am 16.07.19 um 23:37 schrieb Rob Clark:
> From: Rob Clark <robdclark@...omium.org>
>
> Needed in the following patch for cache operations.
Well have you seen that those callbacks are deprecated?
> * Deprecated hook in favour of &drm_gem_object_funcs.pin.
> * Deprecated hook in favour of &drm_gem_object_funcs.unpin.
>
I would rather say if you want to extend something it would be better to
switch over to the per GEM object functions first.
Regards,
Christian.
>
> Signed-off-by: Rob Clark <robdclark@...omium.org>
> ---
> v3: rebased on drm-tip
>
> drivers/gpu/drm/drm_gem.c | 8 ++++----
> drivers/gpu/drm/drm_internal.h | 4 ++--
> 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/vgem/vgem_drv.c | 4 ++--
> include/drm/drm_drv.h | 5 ++---
> 12 files changed, 26 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
> index 84689ccae885..af2549c45027 100644
> --- a/drivers/gpu/drm/drm_gem.c
> +++ b/drivers/gpu/drm/drm_gem.c
> @@ -1215,22 +1215,22 @@ void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
> obj->dev->driver->gem_print_info(p, indent, obj);
> }
>
> -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;
> }
>
> -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);
> }
>
> void *drm_gem_vmap(struct drm_gem_object *obj)
> diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
> index 51a2055c8f18..e64090373e3a 100644
> --- a/drivers/gpu/drm/drm_internal.h
> +++ b/drivers/gpu/drm/drm_internal.h
> @@ -133,8 +133,8 @@ void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
> void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
> const struct drm_gem_object *obj);
>
> -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/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c
> index 189d980402ad..126860432ff9 100644
> --- a/drivers/gpu/drm/drm_prime.c
> +++ b/drivers/gpu/drm/drm_prime.c
> @@ -575,7 +575,7 @@ 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);
>
> @@ -593,7 +593,7 @@ 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 a05292e8ed6f..67e69a5f00f2 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 ee7b512dc158..0eea68618b68 100644
> --- a/drivers/gpu/drm/msm/msm_drv.h
> +++ b/drivers/gpu/drm/msm/msm_drv.h
> @@ -288,8 +288,8 @@ 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 5d64e0671f7a..cc07bf94e206 100644
> --- a/drivers/gpu/drm/msm/msm_gem_prime.c
> +++ b/drivers/gpu/drm/msm/msm_gem_prime.c
> @@ -47,14 +47,14 @@ 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 deaffce50a2e..f3442bd860f6 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/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
> index 76d95b5e289c..e7d12e93b1f0 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 b33f2cee2099..2b3d79bde6e1 100644
> --- a/include/drm/drm_drv.h
> +++ b/include/drm/drm_drv.h
> @@ -592,20 +592,19 @@ struct drm_driver {
> */
> struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
> struct dma_buf *dma_buf);
> -
> /**
> * @gem_prime_pin:
> *
> * Deprecated hook in favour of &drm_gem_object_funcs.pin.
> */
> - int (*gem_prime_pin)(struct drm_gem_object *obj);
> + int (*gem_prime_pin)(struct drm_gem_object *obj, struct device *dev);
>
> /**
> * @gem_prime_unpin:
> *
> * Deprecated hook in favour of &drm_gem_object_funcs.unpin.
> */
> - void (*gem_prime_unpin)(struct drm_gem_object *obj);
> + void (*gem_prime_unpin)(struct drm_gem_object *obj, struct device *dev);
>
>
> /**
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