Re: Linux Testing Microconference at LPC

Hi, On Thursday, April 11, 2019 14:37 -03, Dhaval Giani wrote: > Hi Folks, > > This is a call for participation for the Linux Testing microconference > at LPC this year. > > For those who were at LPC last year, as the closing panel mentioned, > testing is probably the next big push

Re: [Announce] LPC 2018: Testing and Fuzzing Microconference

. Could you do that? Thanks, Gustavo Gustavo Padovan Collabora Ltd

Re: [Announce] LPC 2018: Testing and Fuzzing Microconference

. Could you do that? Thanks, Gustavo Gustavo Padovan Collabora Ltd

Re: [RFC RESEND PATCH] drm/rockchip: update cursors asynchronously through atomic.

sync_check, + .atomic_async_update = vop_plane_atomic_async_update, }; static const struct drm_plane_funcs vop_plane_funcs = { -- 2.18.0 -- Gustavo Padovan Collabora Ltd

Re: [RFC RESEND PATCH] drm/rockchip: update cursors asynchronously through atomic.

sync_check, + .atomic_async_update = vop_plane_atomic_async_update, }; static const struct drm_plane_funcs vop_plane_funcs = { -- 2.18.0 -- Gustavo Padovan Collabora Ltd

Re: [RFC PATCH] drm/atomic: add ASYNC_UPDATE flag to the Atomic IOCTL.

Hi Ville, On Thu, 2018-06-28 at 16:35 +0300, Ville Syrjälä wrote: > On Wed, Jun 27, 2018 at 11:25:06PM +0200, Enric Balletbo i Serra > wrote: > > From: Gustavo Padovan > > > > This flag tells core to jump ahead the queued update if the > > conditions > >

Re: [RFC PATCH] drm/atomic: add ASYNC_UPDATE flag to the Atomic IOCTL.

Hi Ville, On Thu, 2018-06-28 at 16:35 +0300, Ville Syrjälä wrote: > On Wed, Jun 27, 2018 at 11:25:06PM +0200, Enric Balletbo i Serra > wrote: > > From: Gustavo Padovan > > > > This flag tells core to jump ahead the queued update if the > > conditions > >

Re: [PATCH v9 11/15] vb2: add in-fence support to QBUF

Hi Hans, On Mon, 2018-05-07 at 14:07 +0200, Hans Verkuil wrote: > On 04/05/18 22:06, Ezequiel Garcia wrote: > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing

Re: [PATCH v9 11/15] vb2: add in-fence support to QBUF

Hi Hans, On Mon, 2018-05-07 at 14:07 +0200, Hans Verkuil wrote: > On 04/05/18 22:06, Ezequiel Garcia wrote: > > From: Gustavo Padovan > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing the buffer to the driv

[PATCH v8 02/13] [media] hackrf: group device capabilities

From: Gustavo Padovan <gustavo.pado...@collabora.com> Instead of putting V4L2_CAP_STREAMING and V4L2_CAP_READWRITE everywhere, set device_caps earlier with these values. Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.com> --- drivers/media/usb/hackrf/hackrf.c | 11 ---

[PATCH v8 02/13] [media] hackrf: group device capabilities

From: Gustavo Padovan Instead of putting V4L2_CAP_STREAMING and V4L2_CAP_READWRITE everywhere, set device_caps earlier with these values. Signed-off-by: Gustavo Padovan --- drivers/media/usb/hackrf/hackrf.c | 11 --- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git

[PATCH v8 05/13] [media] v4l: add 'unordered' flag to format description ioctl

From: Gustavo Padovan <gustavo.pado...@collabora.com> For explicit synchronization it important for userspace to know if the format being used by the driver can deliver the buffers back to userspace in the same order they were queued with QBUF. Ordered streams fits nicely in a pipeline wi

[PATCH v8 05/13] [media] v4l: add 'unordered' flag to format description ioctl

From: Gustavo Padovan For explicit synchronization it important for userspace to know if the format being used by the driver can deliver the buffers back to userspace in the same order they were queued with QBUF. Ordered streams fits nicely in a pipeline with DRM for example, where ordered

[PATCH v8 07/13] [media] vb2: mark codec drivers as unordered

From: Gustavo Padovan <gustavo.pado...@collabora.com> In preparation to have full support to explicit fence we are marking codec as non-ordered preventively. It is easier and safer from an uAPI point of view to move from unordered to ordered than the opposite. Signed-off-by: Gustavo P

[PATCH v8 07/13] [media] vb2: mark codec drivers as unordered

From: Gustavo Padovan In preparation to have full support to explicit fence we are marking codec as non-ordered preventively. It is easier and safer from an uAPI point of view to move from unordered to ordered than the opposite. Signed-off-by: Gustavo Padovan --- drivers/media/platform/coda

[PATCH v8 06/13] [media] cobalt: add .is_unordered() for cobalt

From: Gustavo Padovan <gustavo.pado...@collabora.com> The cobalt driver may reorder the capture buffers so we need to report it as such. v2: - use vb2_ops_set_unordered() helper Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.com> --- drivers/media/pci/cobalt/cobalt-v4l

[PATCH v8 06/13] [media] cobalt: add .is_unordered() for cobalt

From: Gustavo Padovan The cobalt driver may reorder the capture buffers so we need to report it as such. v2: - use vb2_ops_set_unordered() helper Signed-off-by: Gustavo Padovan --- drivers/media/pci/cobalt/cobalt-v4l2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/pci

[PATCH v8 11/13] [media] v4l: introduce the fences capability

From: Gustavo Padovan <gustavo.pado...@collabora.com> Drivers capable of using fences (vb2 drivers) should report the V4L2_CAP_FENCES to userspace, so add this flag to the uapi. Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.com> --- Documentation/media/uapi/v4l/vidioc-

[PATCH v8 08/13] [media] vb2: add explicit fence user API

From: Gustavo Padovan <gustavo.pado...@collabora.com> Turn the reserved2 field into fence_fd that we will use to send an in-fence to the kernel or return an out-fence from the kernel to userspace. Two new flags were added, V4L2_BUF_FLAG_IN_FENCE, that should be used when sending a

[PATCH v8 08/13] [media] vb2: add explicit fence user API

From: Gustavo Padovan Turn the reserved2 field into fence_fd that we will use to send an in-fence to the kernel or return an out-fence from the kernel to userspace. Two new flags were added, V4L2_BUF_FLAG_IN_FENCE, that should be used when sending a fence to the kernel to be waited

[PATCH v8 11/13] [media] v4l: introduce the fences capability

From: Gustavo Padovan Drivers capable of using fences (vb2 drivers) should report the V4L2_CAP_FENCES to userspace, so add this flag to the uapi. Signed-off-by: Gustavo Padovan --- Documentation/media/uapi/v4l/vidioc-querycap.rst | 3 +++ include/uapi/linux/videodev2.h | 1

[PATCH v8 12/13] [media] v4l: Add V4L2_CAP_FENCES to drivers

From: Gustavo Padovan <gustavo.pado...@collabora.com> Drivers that use videobuf2 are capable of using fences and should report that to userspace. The coding style is following what each drivers was already doing. Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.com> --- d

[PATCH v8 12/13] [media] v4l: Add V4L2_CAP_FENCES to drivers

From: Gustavo Padovan Drivers that use videobuf2 are capable of using fences and should report that to userspace. The coding style is following what each drivers was already doing. Signed-off-by: Gustavo Padovan --- drivers/media/pci/cobalt/cobalt-v4l2.c | 3 ++- drivers/media

[PATCH v8 13/13] [media] v4l: Document explicit synchronization behavior

From: Gustavo Padovan <gustavo.pado...@collabora.com> Add section to VIDIOC_QBUF and VIDIOC_QUERY_BUF about it v6: - Close some gaps in the docs (Hans) v5: - Remove V4L2_CAP_ORDERED - Add doc about V4L2_FMT_FLAG_UNORDERED v4: - Document ordering be

[PATCH v8 10/13] [media] vb2: add out-fence support to QBUF

From: Gustavo Padovan <gustavo.pado...@collabora.com> If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send its fd to userspace on the fence_fd field as a return arg for the QBUF call. The fence is signaled on buffer_done(), when the job on the

[PATCH v8 13/13] [media] v4l: Document explicit synchronization behavior

From: Gustavo Padovan Add section to VIDIOC_QBUF and VIDIOC_QUERY_BUF about it v6: - Close some gaps in the docs (Hans) v5: - Remove V4L2_CAP_ORDERED - Add doc about V4L2_FMT_FLAG_UNORDERED v4: - Document ordering behavior for in-fences - Document

[PATCH v8 10/13] [media] vb2: add out-fence support to QBUF

From: Gustavo Padovan If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send its fd to userspace on the fence_fd field as a return arg for the QBUF call. The fence is signaled on buffer_done(), when the job on the buffer is finished. v9: - remove

[PATCH v8 09/13] [media] vb2: add in-fence support to QBUF

From: Gustavo Padovan <gustavo.pado...@collabora.com> Receive in-fence from userspace and add support for waiting on them before queueing the buffer to the driver. Buffers can't be queued to the driver before its fences signal. And a buffer can't be queue to the driver out of the order the

[PATCH v8 09/13] [media] vb2: add in-fence support to QBUF

From: Gustavo Padovan Receive in-fence from userspace and add support for waiting on them before queueing the buffer to the driver. Buffers can't be queued to the driver before its fences signal. And a buffer can't be queue to the driver out of the order they were queued from userspace

[PATCH v8 03/13] [media] omap3isp: group device capabilities

From: Gustavo Padovan <gustavo.pado...@collabora.com> Instead of putting V4L2_CAP_STREAMING everywhere, set device_caps earlier with this value. Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.com> --- drivers/media/platform/omap3isp/ispvideo.c | 9 + 1 fil

[PATCH v8 04/13] [media] vb2: add is_unordered callback for drivers

From: Gustavo Padovan <gustavo.pado...@collabora.com> Explicit synchronization benefits a lot from ordered queues, they fit better in a pipeline with DRM for example so create a opt-in way for drivers notify videobuf2 that the queue is unordered. Drivers don't need implement it if the

[PATCH v8 03/13] [media] omap3isp: group device capabilities

From: Gustavo Padovan Instead of putting V4L2_CAP_STREAMING everywhere, set device_caps earlier with this value. Signed-off-by: Gustavo Padovan --- drivers/media/platform/omap3isp/ispvideo.c | 9 + 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform

[PATCH v8 04/13] [media] vb2: add is_unordered callback for drivers

From: Gustavo Padovan Explicit synchronization benefits a lot from ordered queues, they fit better in a pipeline with DRM for example so create a opt-in way for drivers notify videobuf2 that the queue is unordered. Drivers don't need implement it if the queue is ordered. v2: - improve

[PATCH v8 01/13] [media] xilinx: regroup caps on querycap

From: Gustavo Padovan <gustavo.pado...@collabora.com> To better organize the code we concentrate the setting of V4L2_CAP_STREAMING in one place. Signed-off-by: Gustavo Padovan <gustavo.pado...@collabora.com> --- drivers/media/platform/xilinx/xilinx-dma.c | 7 --- 1 fil

[PATCH v8 00/13] V4L2 Explicit Synchronization

From: Gustavo Padovan <gustavo.pado...@collabora.com> Hi, So v8 is finally out addressing the comments from the previous version[1]. For more info see v5 cover letter[2]. The most important points I address here is the handling of fences that signal with error to follow Hans suggestion.

[PATCH v8 01/13] [media] xilinx: regroup caps on querycap

From: Gustavo Padovan To better organize the code we concentrate the setting of V4L2_CAP_STREAMING in one place. Signed-off-by: Gustavo Padovan --- drivers/media/platform/xilinx/xilinx-dma.c | 7 --- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform

[PATCH v8 00/13] V4L2 Explicit Synchronization

From: Gustavo Padovan Hi, So v8 is finally out addressing the comments from the previous version[1]. For more info see v5 cover letter[2]. The most important points I address here is the handling of fences that signal with error to follow Hans suggestion. I also added V4L2_CAP_FENCES to all vb2

Re: [PATCH v7 5/6] [media] vb2: add out-fence support to QBUF

2018-01-15 Alexandre Courbot <acour...@chromium.org>: > On Thu, Jan 11, 2018 at 1:07 AM, Gustavo Padovan <gust...@padovan.org> wrote: > > /* > > * vb2_start_streaming() - Attempt to start streaming. > > * @q: videobuf2 queue > > @@ -1489,

Re: [PATCH v7 5/6] [media] vb2: add out-fence support to QBUF

2018-01-15 Alexandre Courbot : > On Thu, Jan 11, 2018 at 1:07 AM, Gustavo Padovan wrote: > > /* > > * vb2_start_streaming() - Attempt to start streaming. > > * @q: videobuf2 queue > > @@ -1489,18 +1562,16 @@ int vb2_core_qbuf(struct vb2_queue *q, unsign

Re: [PATCH v7 5/6] [media] vb2: add out-fence support to QBUF

2018-01-12 Hans Verkuil <hverk...@xs4all.nl>: > On 01/10/18 17:07, Gustavo Padovan wrote: > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create > > an out_fence and send it

Re: [PATCH v7 5/6] [media] vb2: add out-fence support to QBUF

2018-01-12 Hans Verkuil : > On 01/10/18 17:07, Gustavo Padovan wrote: > > From: Gustavo Padovan > > > > If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create > > an out_fence and send its fd to userspace on the fence_fd field as a >

Re: [PATCH v7 4/6] [media] vb2: add in-fence support to QBUF

Hi Hans, 2018-01-12 Hans Verkuil <hverk...@xs4all.nl>: > On 01/10/18 17:07, Gustavo Padovan wrote: > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing

Re: [PATCH v7 4/6] [media] vb2: add in-fence support to QBUF

Hi Hans, 2018-01-12 Hans Verkuil : > On 01/10/18 17:07, Gustavo Padovan wrote: > > From: Gustavo Padovan > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing the buffer to the driver. Buffers can't be queued to the > >

Re: [PATCH v7 1/6] [media] vb2: add is_unordered callback for drivers

2018-01-15 Hans Verkuil <hverk...@xs4all.nl>: > On 01/15/2018 01:01 PM, Gustavo Padovan wrote: > > 2018-01-15 Alexandre Courbot <acour...@chromium.org>: > > > >> On Thu, Jan 11, 2018 at 1:07 AM, Gustavo Padovan <gust...@padovan.org> > >&g

Re: [PATCH v7 1/6] [media] vb2: add is_unordered callback for drivers

2018-01-15 Hans Verkuil : > On 01/15/2018 01:01 PM, Gustavo Padovan wrote: > > 2018-01-15 Alexandre Courbot : > > > >> On Thu, Jan 11, 2018 at 1:07 AM, Gustavo Padovan > >> wrote: > >>> From: Gustavo Padovan > >>> > >>>

Re: [PATCH v7 1/6] [media] vb2: add is_unordered callback for drivers

2018-01-15 Alexandre Courbot <acour...@chromium.org>: > On Thu, Jan 11, 2018 at 1:07 AM, Gustavo Padovan <gust...@padovan.org> wrote: > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Explicit synchronization benefits a lot from ordered qu

Re: [PATCH v7 1/6] [media] vb2: add is_unordered callback for drivers

2018-01-15 Alexandre Courbot : > On Thu, Jan 11, 2018 at 1:07 AM, Gustavo Padovan wrote: > > From: Gustavo Padovan > > > > Explicit synchronization benefits a lot from ordered queues, they fit > > better in a pipeline with DRM for example so create a opt-in way for &

Re: [PATCH v7 0/6] V4L2 Explicit Synchronization

2018-01-10 Nicolas Dufresne <nico...@ndufresne.ca>: > Le mercredi 10 janvier 2018 à 14:07 -0200, Gustavo Padovan a écrit : > > v7 bring a fix for a crash when not using fences and a uAPI fix. > > I've done a bit more of testing on it and also measured some > > performan

Re: [PATCH v7 0/6] V4L2 Explicit Synchronization

2018-01-10 Nicolas Dufresne : > Le mercredi 10 janvier 2018 à 14:07 -0200, Gustavo Padovan a écrit : > > v7 bring a fix for a crash when not using fences and a uAPI fix. > > I've done a bit more of testing on it and also measured some > > performance. On a intel laptop

[PATCH v7 6/6] [media] v4l: Document explicit synchronization behavior

From: Gustavo Padovan <gustavo.pado...@collabora.com> Add section to VIDIOC_QBUF about it v5: - Remove V4L2_CAP_ORDERED - Add doc about V4L2_FMT_FLAG_UNORDERED v4: - Document ordering behavior for in-fences - Document V4L2_CAP_ORDERED capability -

[PATCH v7 6/6] [media] v4l: Document explicit synchronization behavior

From: Gustavo Padovan Add section to VIDIOC_QBUF about it v5: - Remove V4L2_CAP_ORDERED - Add doc about V4L2_FMT_FLAG_UNORDERED v4: - Document ordering behavior for in-fences - Document V4L2_CAP_ORDERED capability - Remove doc about OUT_FENCE event

[PATCH v7 2/6] [media] v4l: add 'unordered' flag to format description ioctl

From: Gustavo Padovan <gustavo.pado...@collabora.com> For explicit synchronization it important for userspace to know if the format being used by the driver can deliver the buffers back to userspace in the same order they were queued with QBUF. Ordered streams fits nicely in a pipeline wi

[PATCH v7 2/6] [media] v4l: add 'unordered' flag to format description ioctl

From: Gustavo Padovan For explicit synchronization it important for userspace to know if the format being used by the driver can deliver the buffers back to userspace in the same order they were queued with QBUF. Ordered streams fits nicely in a pipeline with DRM for example, where ordered

[PATCH v7 5/6] [media] vb2: add out-fence support to QBUF

From: Gustavo Padovan <gustavo.pado...@collabora.com> If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send its fd to userspace on the fence_fd field as a return arg for the QBUF call. The fence is signaled on buffer_done(), when the job on the

[PATCH v7 5/6] [media] vb2: add out-fence support to QBUF

From: Gustavo Padovan If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send its fd to userspace on the fence_fd field as a return arg for the QBUF call. The fence is signaled on buffer_done(), when the job on the buffer is finished. v8: - return 0

[PATCH v7 1/6] [media] vb2: add is_unordered callback for drivers

From: Gustavo Padovan <gustavo.pado...@collabora.com> Explicit synchronization benefits a lot from ordered queues, they fit better in a pipeline with DRM for example so create a opt-in way for drivers notify videobuf2 that the queue is unordered. Drivers don't need implement it if the

[PATCH v7 1/6] [media] vb2: add is_unordered callback for drivers

From: Gustavo Padovan Explicit synchronization benefits a lot from ordered queues, they fit better in a pipeline with DRM for example so create a opt-in way for drivers notify videobuf2 that the queue is unordered. Drivers don't need implement it if the queue is ordered. Signed-off-by: Gustavo

[PATCH v7 3/6] [media] vb2: add explicit fence user API

From: Gustavo Padovan <gustavo.pado...@collabora.com> Turn the reserved2 field into fence_fd that we will use to send an in-fence to the kernel and return an out-fence from the kernel to userspace. Two new flags were added, V4L2_BUF_FLAG_IN_FENCE, that should be used when sending a

[PATCH v7 4/6] [media] vb2: add in-fence support to QBUF

From: Gustavo Padovan <gustavo.pado...@collabora.com> Receive in-fence from userspace and add support for waiting on them before queueing the buffer to the driver. Buffers can't be queued to the driver before its fences signal. And a buffer can't be queue to the driver out of the order the

[PATCH v7 0/6] V4L2 Explicit Synchronization

From: Gustavo Padovan <gustavo.pado...@collabora.com> Hi, v7 bring a fix for a crash when not using fences and a uAPI fix. I've done a bit more of testing on it and also measured some performance. On a intel laptop a DRM<->V4L2 pipeline with fences is runnning twice as faster t

[PATCH v7 3/6] [media] vb2: add explicit fence user API

From: Gustavo Padovan Turn the reserved2 field into fence_fd that we will use to send an in-fence to the kernel and return an out-fence from the kernel to userspace. Two new flags were added, V4L2_BUF_FLAG_IN_FENCE, that should be used when sending a fence to the kernel to be waited

[PATCH v7 4/6] [media] vb2: add in-fence support to QBUF

From: Gustavo Padovan Receive in-fence from userspace and add support for waiting on them before queueing the buffer to the driver. Buffers can't be queued to the driver before its fences signal. And a buffer can't be queue to the driver out of the order they were queued from userspace

[PATCH v7 0/6] V4L2 Explicit Synchronization

From: Gustavo Padovan Hi, v7 bring a fix for a crash when not using fences and a uAPI fix. I've done a bit more of testing on it and also measured some performance. On a intel laptop a DRM<->V4L2 pipeline with fences is runnning twice as faster than the same pipeline with no fences. Fo

Re: [PATCH v6 4/6] [media] vb2: add in-fence support to QBUF

2017-12-21 Mauro Carvalho Chehab <mche...@osg.samsung.com>: > Em Mon, 11 Dec 2017 16:27:39 -0200 > Gustavo Padovan <gust...@padovan.org> escreveu: > > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Receive in-fence from userspace a

Re: [PATCH v6 4/6] [media] vb2: add in-fence support to QBUF

2017-12-21 Mauro Carvalho Chehab : > Em Mon, 11 Dec 2017 16:27:39 -0200 > Gustavo Padovan escreveu: > > > From: Gustavo Padovan > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing the buffer to the driver. Buffers

Re: [PATCH v6 3/6] [media] vb2: add explicit fence user API

2017-12-21 Mauro Carvalho Chehab <mche...@osg.samsung.com>: > Em Mon, 11 Dec 2017 16:27:38 -0200 > Gustavo Padovan <gust...@padovan.org> escreveu: > > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Turn the reserved2 field into fenc

Re: [PATCH v6 3/6] [media] vb2: add explicit fence user API

2017-12-21 Mauro Carvalho Chehab : > Em Mon, 11 Dec 2017 16:27:38 -0200 > Gustavo Padovan escreveu: > > > From: Gustavo Padovan > > > > Turn the reserved2 field into fence_fd that we will use to send > > an in-fence to the kernel and return an out-fence

Re: [PATCH v6 1/6] [media] vb2: add is_unordered callback for drivers

2017-12-21 Mauro Carvalho Chehab <mche...@osg.samsung.com>: > Em Mon, 11 Dec 2017 16:27:36 -0200 > Gustavo Padovan <gust...@padovan.org> escreveu: > > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Explicit synchronization benefits a

Re: [PATCH v6 1/6] [media] vb2: add is_unordered callback for drivers

2017-12-21 Mauro Carvalho Chehab : > Em Mon, 11 Dec 2017 16:27:36 -0200 > Gustavo Padovan escreveu: > > > From: Gustavo Padovan > > > > Explicit synchronization benefits a lot from ordered queues, they fit > > better in a pipeline with DRM for example so cr

Re: [PATCH v6 0/6] V4L2 Explicit Synchronization

2017-12-21 Mauro Carvalho Chehab <mche...@osg.samsung.com>: > Em Mon, 11 Dec 2017 16:27:35 -0200 > Gustavo Padovan <gust...@padovan.org> escreveu: > > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Hi, > > > > One mo

Re: [PATCH v6 0/6] V4L2 Explicit Synchronization

2017-12-21 Mauro Carvalho Chehab : > Em Mon, 11 Dec 2017 16:27:35 -0200 > Gustavo Padovan escreveu: > > > From: Gustavo Padovan > > > > Hi, > > > > One more iteration of the explicit fences patches, please refer > > to the previous version[1] for

Re: [RFC PATCH 9/9] media: vim2m: add request support

Hi Alex, 2017-12-15 Alexandre Courbot : > Set the necessary ops for supporting requests in vim2m. > > Signed-off-by: Alexandre Courbot > --- > drivers/media/platform/vim2m.c | 22 ++ > 1 file changed, 22 insertions(+) > > diff

Re: [RFC PATCH 9/9] media: vim2m: add request support

Hi Alex, 2017-12-15 Alexandre Courbot : > Set the necessary ops for supporting requests in vim2m. > > Signed-off-by: Alexandre Courbot > --- > drivers/media/platform/vim2m.c | 22 ++ > 1 file changed, 22 insertions(+) > > diff --git a/drivers/media/platform/vim2m.c

[PATCH v6 1/6] [media] vb2: add is_unordered callback for drivers

From: Gustavo Padovan <gustavo.pado...@collabora.com> Explicit synchronization benefits a lot from ordered queues, they fit better in a pipeline with DRM for example so create a opt-in way for drivers notify videobuf2 that the queue is unordered. Drivers don't need implement it if the

[PATCH v6 1/6] [media] vb2: add is_unordered callback for drivers

From: Gustavo Padovan Explicit synchronization benefits a lot from ordered queues, they fit better in a pipeline with DRM for example so create a opt-in way for drivers notify videobuf2 that the queue is unordered. Drivers don't need implement it if the queue is ordered. Signed-off-by: Gustavo

[PATCH v6 3/6] [media] vb2: add explicit fence user API

From: Gustavo Padovan <gustavo.pado...@collabora.com> Turn the reserved2 field into fence_fd that we will use to send an in-fence to the kernel and return an out-fence from the kernel to userspace. Two new flags were added, V4L2_BUF_FLAG_IN_FENCE, that should be used when sending a

[PATCH v6 3/6] [media] vb2: add explicit fence user API

From: Gustavo Padovan Turn the reserved2 field into fence_fd that we will use to send an in-fence to the kernel and return an out-fence from the kernel to userspace. Two new flags were added, V4L2_BUF_FLAG_IN_FENCE, that should be used when sending a fence to the kernel to be waited

[PATCH v6 5/6] [media] vb2: add out-fence support to QBUF

From: Gustavo Padovan <gustavo.pado...@collabora.com> If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send its fd to userspace on the fence_fd field as a return arg for the QBUF call. The fence is signaled on buffer_done(), when the job on the

[PATCH v6 5/6] [media] vb2: add out-fence support to QBUF

From: Gustavo Padovan If V4L2_BUF_FLAG_OUT_FENCE flag is present on the QBUF call we create an out_fence and send its fd to userspace on the fence_fd field as a return arg for the QBUF call. The fence is signaled on buffer_done(), when the job on the buffer is finished. v7: - merge

[PATCH v6 6/6] [media] v4l: Document explicit synchronization behavior

From: Gustavo Padovan <gustavo.pado...@collabora.com> Add section to VIDIOC_QBUF about it v5: - Remove V4L2_CAP_ORDERED - Add doc about V4L2_FMT_FLAG_UNORDERED v4: - Document ordering behavior for in-fences - Document V4L2_CAP_ORDERED capability -

[PATCH v6 6/6] [media] v4l: Document explicit synchronization behavior

From: Gustavo Padovan Add section to VIDIOC_QBUF about it v5: - Remove V4L2_CAP_ORDERED - Add doc about V4L2_FMT_FLAG_UNORDERED v4: - Document ordering behavior for in-fences - Document V4L2_CAP_ORDERED capability - Remove doc about OUT_FENCE event

[PATCH v6 4/6] [media] vb2: add in-fence support to QBUF

From: Gustavo Padovan <gustavo.pado...@collabora.com> Receive in-fence from userspace and add support for waiting on them before queueing the buffer to the driver. Buffers can't be queued to the driver before its fences signal. And a buffer can't be queue to the driver out of the order the

[PATCH v6 4/6] [media] vb2: add in-fence support to QBUF

From: Gustavo Padovan Receive in-fence from userspace and add support for waiting on them before queueing the buffer to the driver. Buffers can't be queued to the driver before its fences signal. And a buffer can't be queue to the driver out of the order they were queued from userspace

[PATCH v6 2/6] [media] v4l: add 'unordered' flag to format description ioctl

From: Gustavo Padovan <gustavo.pado...@collabora.com> For explicit synchronization it important for userspace to know if the format being used by the driver can deliver the buffers back to userspace in the same order they were queued with QBUF. Ordered streams fits nicely in a pipeline wi

[PATCH v6 2/6] [media] v4l: add 'unordered' flag to format description ioctl

From: Gustavo Padovan For explicit synchronization it important for userspace to know if the format being used by the driver can deliver the buffers back to userspace in the same order they were queued with QBUF. Ordered streams fits nicely in a pipeline with DRM for example, where ordered

[PATCH v6 0/6] V4L2 Explicit Synchronization

From: Gustavo Padovan <gustavo.pado...@collabora.com> Hi, One more iteration of the explicit fences patches, please refer to the previous version[1] for more details about the general mechanism This version makes the patchset and the implementation much more simple, to start we are not

[PATCH v6 0/6] V4L2 Explicit Synchronization

From: Gustavo Padovan Hi, One more iteration of the explicit fences patches, please refer to the previous version[1] for more details about the general mechanism This version makes the patchset and the implementation much more simple, to start we are not using a ordered capability anymore

Re: [RFC v5 00/11] V4L2 Explicit Synchronization

Hi Smitha, 2017-11-20 Smitha T Murthy : > Hi Gustavo, > > I am currently referring to your implementation for explicit > synchronisation. For the same I needed your testapp, but I am unable > to download the same at the link provided >

Re: [RFC v5 00/11] V4L2 Explicit Synchronization

Hi Smitha, 2017-11-20 Smitha T Murthy : > Hi Gustavo, > > I am currently referring to your implementation for explicit > synchronisation. For the same I needed your testapp, but I am unable > to download the same at the link provided > “https://gitlab.collabora.com/padovan/v4l2-fences-test” >

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Gustavo Padovan <gust...@padovan.org>: > 2017-11-17 Hans Verkuil <hverk...@xs4all.nl>: > > > On 15/11/17 18:10, Gustavo Padovan wrote: > > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > > > Receive in

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Gustavo Padovan : > 2017-11-17 Hans Verkuil : > > > On 15/11/17 18:10, Gustavo Padovan wrote: > > > From: Gustavo Padovan > > > > > > Receive in-fence from userspace and add support for waiting on them > > > before queueing t

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Hans Verkuil <hverk...@xs4all.nl>: > On 15/11/17 18:10, Gustavo Padovan wrote: > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing the buffer

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Hans Verkuil : > On 15/11/17 18:10, Gustavo Padovan wrote: > > From: Gustavo Padovan > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing the buffer to the driver. Buffers can't be queued to the > >

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Mauro Carvalho Chehab <mche...@osg.samsung.com>: > Em Fri, 17 Nov 2017 11:12:48 -0200 > Gustavo Padovan <gust...@padovan.org> escreveu: > > > > > /* > > > > * If streamon has been called, and we haven't yet called > >

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Mauro Carvalho Chehab : > Em Fri, 17 Nov 2017 11:12:48 -0200 > Gustavo Padovan escreveu: > > > > > /* > > > > * If streamon has been called, and we haven't yet called > > > > * start_streaming() since not enough b

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Mauro Carvalho Chehab <mche...@osg.samsung.com>: > Em Wed, 15 Nov 2017 15:10:53 -0200 > Gustavo Padovan <gust...@padovan.org> escreveu: > > > From: Gustavo Padovan <gustavo.pado...@collabora.com> > > > > Receive in-fence from userspace a

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Mauro Carvalho Chehab : > Em Wed, 15 Nov 2017 15:10:53 -0200 > Gustavo Padovan escreveu: > > > From: Gustavo Padovan > > > > Receive in-fence from userspace and add support for waiting on them > > before queueing the buffer to the driver. Buffers

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Mauro Carvalho Chehab : > Em Fri, 17 Nov 2017 15:49:23 +0900 > Alexandre Courbot escreveu: > > > > @@ -178,6 +179,12 @@ static int vb2_queue_or_prepare_buf(struct > > > vb2_queue *q, struct v4l2_buffer *b, > > > return

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Mauro Carvalho Chehab : > Em Fri, 17 Nov 2017 15:49:23 +0900 > Alexandre Courbot escreveu: > > > > @@ -178,6 +179,12 @@ static int vb2_queue_or_prepare_buf(struct > > > vb2_queue *q, struct v4l2_buffer *b, > > > return -EINVAL; > > > } > > > > > > + if ((b->fence_fd !=

Re: [RFC v5 07/11] [media] vb2: add in-fence support to QBUF

2017-11-17 Alexandre Courbot <acour...@chromium.org>: > Hi Gustavo, > > I am coming a bit late in this series' review, so apologies if some of my > comments have already have been discussed in an earlier revision. > > On Thursday, November 16, 2017 2:10:53 AM JS

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