Displaying 20 results from an estimated 33 matches for "drm_prime_pages_to_sg".
2020 Aug 18
2
[PATCH 1/2] drm: allow limiting the scatter list size.
Add max_segment argument to drm_prime_pages_to_sg(). When set pass it
through to the __sg_alloc_table_from_pages() call, otherwise use
SCATTERLIST_MAX_SEGMENT.
Also add max_segment field to gem objects and pass it to
drm_prime_pages_to_sg() calls in drivers and helpers.
Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
include/drm/...
2020 Sep 07
2
[PATCH v4 1/1] drm: allow limiting the scatter list size.
Add drm_device argument to drm_prime_pages_to_sg(), so we can
call dma_max_mapping_size() to figure the segment size limit
and call into __sg_alloc_table_from_pages() with the correct
limit.
This fixes virtio-gpu with sev. Possibly it'll fix other bugs
too given that drm seems to totaly ignore segment size limits
so far ...
v2: place max_s...
2020 Aug 18
2
[PATCH v2 1/2] drm: allow limiting the scatter list size.
Add max_segment argument to drm_prime_pages_to_sg(). When set pass it
through to the __sg_alloc_table_from_pages() call, otherwise use
SCATTERLIST_MAX_SEGMENT.
Also add max_segment field to drm driver and pass it to
drm_prime_pages_to_sg() calls in drivers and helpers.
v2: place max_segment in drm driver not gem object.
Signed-off-by: Gerd Hof...
2020 Aug 18
0
[PATCH 1/2] drm: allow limiting the scatter list size.
Am 18.08.20 um 09:48 schrieb Gerd Hoffmann:
> Add max_segment argument to drm_prime_pages_to_sg(). When set pass it
> through to the __sg_alloc_table_from_pages() call, otherwise use
> SCATTERLIST_MAX_SEGMENT.
>
> Also add max_segment field to gem objects and pass it to
> drm_prime_pages_to_sg() calls in drivers and helpers.
>
> Signed-off-by: Gerd Hoffmann <kraxel at...
2020 Sep 07
0
[PATCH v3 1/2] drm: allow limiting the scatter list size.
Add max_segment argument to drm_prime_pages_to_sg(). When set pass it
through to the __sg_alloc_table_from_pages() call, otherwise use
SCATTERLIST_MAX_SEGMENT.
Also add max_segment field to drm driver and pass it to
drm_prime_pages_to_sg() calls in drivers and helpers.
v2: place max_segment in drm driver not gem object.
v3: move max_segment nex...
2020 Sep 07
0
[PATCH v4 1/1] drm: allow limiting the scatter list size.
On Mon, Sep 7, 2020 at 1:24 PM Gerd Hoffmann <kraxel at redhat.com> wrote:
>
> Add drm_device argument to drm_prime_pages_to_sg(), so we can
> call dma_max_mapping_size() to figure the segment size limit
> and call into __sg_alloc_table_from_pages() with the correct
> limit.
>
> This fixes virtio-gpu with sev. Possibly it'll fix other bugs
> too given that drm seems to totaly ignore segment size limit...
2020 Sep 01
0
[PATCH v2 1/2] drm: allow limiting the scatter list size.
On Tue, Aug 18, 2020 at 11:20:16AM +0200, Gerd Hoffmann wrote:
> Add max_segment argument to drm_prime_pages_to_sg(). When set pass it
> through to the __sg_alloc_table_from_pages() call, otherwise use
> SCATTERLIST_MAX_SEGMENT.
>
> Also add max_segment field to drm driver and pass it to
> drm_prime_pages_to_sg() calls in drivers and helpers.
>
> v2: place max_segment in drm driver not g...
2020 Aug 18
2
[PATCH 1/2] drm: allow limiting the scatter list size.
On Tue, Aug 18, 2020 at 09:57:59AM +0200, Christian K?nig wrote:
> Am 18.08.20 um 09:48 schrieb Gerd Hoffmann:
> > Add max_segment argument to drm_prime_pages_to_sg(). When set pass it
> > through to the __sg_alloc_table_from_pages() call, otherwise use
> > SCATTERLIST_MAX_SEGMENT.
> >
> > Also add max_segment field to gem objects and pass it to
> > drm_prime_pages_to_sg() calls in drivers and helpers.
> >
> > Signe...
2019 Feb 27
1
[PATCH 3/3] drm/virtio: implement prime export
Just run drm_prime_pages_to_sg() on the ttm pages list to get an
sg_table for export. The pages list is created at object initialization
time, so there should be no need to handle an unpopulated page list.
Add a sanity check nevertheless.
Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
drivers/gpu/drm/virtio/vir...
2020 Aug 18
0
[PATCH 1/2] drm: allow limiting the scatter list size.
Am 18.08.20 um 10:27 schrieb Gerd Hoffmann:
> On Tue, Aug 18, 2020 at 09:57:59AM +0200, Christian K?nig wrote:
>> Am 18.08.20 um 09:48 schrieb Gerd Hoffmann:
>>> Add max_segment argument to drm_prime_pages_to_sg(). When set pass it
>>> through to the __sg_alloc_table_from_pages() call, otherwise use
>>> SCATTERLIST_MAX_SEGMENT.
>>>
>>> Also add max_segment field to gem objects and pass it to
>>> drm_prime_pages_to_sg() calls in drivers and helpers.
>>>...
2020 Sep 08
2
[PATCH v4 1/1] drm: allow limiting the scatter list size.
On Mon, Sep 07, 2020 at 03:53:02PM +0200, Daniel Vetter wrote:
> On Mon, Sep 7, 2020 at 1:24 PM Gerd Hoffmann <kraxel at redhat.com> wrote:
> >
> > Add drm_device argument to drm_prime_pages_to_sg(), so we can
> > call dma_max_mapping_size() to figure the segment size limit
> > and call into __sg_alloc_table_from_pages() with the correct
> > limit.
> >
> > This fixes virtio-gpu with sev. Possibly it'll fix other bugs
> > too given that drm seems to to...
2020 Sep 08
0
[PATCH v4 1/1] drm: allow limiting the scatter list size.
On Tue, Sep 08, 2020 at 07:48:58AM +0200, Gerd Hoffmann wrote:
> On Mon, Sep 07, 2020 at 03:53:02PM +0200, Daniel Vetter wrote:
> > On Mon, Sep 7, 2020 at 1:24 PM Gerd Hoffmann <kraxel at redhat.com> wrote:
> > >
> > > Add drm_device argument to drm_prime_pages_to_sg(), so we can
> > > call dma_max_mapping_size() to figure the segment size limit
> > > and call into __sg_alloc_table_from_pages() with the correct
> > > limit.
> > >
> > > This fixes virtio-gpu with sev. Possibly it'll fix other bugs
> > >...
2020 Nov 09
0
[PATCH 1/2] drm/msm: Use struct dma_buf_map in GEM vmap ops
.../drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c
index 515ef80816a0..9880348a4dc7 100644
--- a/drivers/gpu/drm/msm/msm_gem_prime.c
+++ b/drivers/gpu/drm/msm/msm_gem_prime.c
@@ -22,12 +22,19 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj)
return drm_prime_pages_to_sg(obj->dev, msm_obj->pages, npages);
}
-void *msm_gem_prime_vmap(struct drm_gem_object *obj)
+int msm_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
{
- return msm_gem_get_vaddr(obj);
+ void *vaddr;
+
+ vaddr = msm_gem_get_vaddr(obj);
+ if (IS_ERR(vaddr))
+ return PTR_...
2018 Jan 11
5
[PATCH 1/5] drm/prime: Remove duplicate forward declaration
From: Thierry Reding <treding at nvidia.com>
struct device is forward-declared twice. Remove the second instance.
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Thierry Reding <treding at nvidia.com>
---
include/drm/drm_prime.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index
2020 Sep 29
0
[PATCH v3 3/7] drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
..._prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index 135fbff6fecf..36c03e287e29 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -22,12 +22,17 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages);
}
-void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj)
+int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
{
- return etnaviv_gem_vmap(obj);
+ void *vaddr = etnaviv_gem_vmap(obj);
+ if (!vaddr)
+ return -ENOMEM;
+ d...
2020 Oct 15
1
[PATCH v4 06/10] drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
...m_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index a6d9932a32ae..bc2543dd987d 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -22,9 +22,14 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages);
}
-void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj)
+int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
{
- return etnaviv_gem_vmap(obj);
+ void *vaddr = etnaviv_gem_vmap(obj);
+ if (!vaddr)
+ return -ENOMEM;
+ d...
2020 Oct 15
0
[PATCH v4 06/10] drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends
...m/etnaviv/etnaviv_gem_prime.c
> index a6d9932a32ae..bc2543dd987d 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> @@ -22,9 +22,14 @@ struct sg_table *etnaviv_gem_prime_get_sg_table(struct drm_gem_object *obj)
> return drm_prime_pages_to_sg(obj->dev, etnaviv_obj->pages, npages);
> }
>
> -void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj)
> +int etnaviv_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map)
> {
> - return etnaviv_gem_vmap(obj);
> + void *vaddr = etnaviv_gem_vmap(obj)...
2020 Sep 29
14
[PATCH v3 0/7] Support GEM object mappings from I/O memory
DRM's fbdev console uses regular load and store operations to update
framebuffer memory. The bochs driver on sparc64 requires the use of
I/O-specific load and store operations. We have a workaround, but need
a long-term solution to the problem.
This patchset changes GEM's vmap/vunmap interfaces to forward pointers
of type struct dma_buf_map and updates the generic fbdev emulation to
use
2020 Sep 29
14
[PATCH v3 0/7] Support GEM object mappings from I/O memory
DRM's fbdev console uses regular load and store operations to update
framebuffer memory. The bochs driver on sparc64 requires the use of
I/O-specific load and store operations. We have a workaround, but need
a long-term solution to the problem.
This patchset changes GEM's vmap/vunmap interfaces to forward pointers
of type struct dma_buf_map and updates the generic fbdev emulation to
use
2019 Jul 02
2
[PATCH v6 11/18] drm/virtio: switch from ttm to gem shmem helpers
...fers with virtgpu
*/
-struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj)
-{
- struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
-
- if (!bo->tbo.ttm->pages || !bo->tbo.ttm->num_pages)
- /* should not happen */
- return ERR_PTR(-EINVAL);
-
- return drm_prime_pages_to_sg(bo->tbo.ttm->pages,
- bo->tbo.ttm->num_pages);
-}
-
struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
struct drm_device *dev, struct dma_buf_attachment *attach,
struct sg_table *table)
{
return ERR_PTR(-ENODEV);
}
-
-void *virtgpu_gem_prime_vmap(struct drm_gem_o...