[PATCH] MAINTAINERS: Add drm/xen-front maintainer entry

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add myself as drivers/gpu/drm/xen maintainer. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> --- MAINTAINERS | 9 + 1 file changed, 9 insertions(+) diff --git a/MAINTAINERS b/MAINT

[PATCH] MAINTAINERS: Add drm/xen-front maintainer entry

From: Oleksandr Andrushchenko Add myself as drivers/gpu/drm/xen maintainer. Signed-off-by: Oleksandr Andrushchenko --- MAINTAINERS | 9 + 1 file changed, 9 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 622f3e4c5efa..6cf1bd5593b0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS

Re: [PATCH v6 RESEND 0/1] drm/xen-front: Add support for Xen PV display frontend

On 04/03/2018 02:23 PM, Oleksandr Andrushchenko wrote: Resending with even more checkpatch code-style fixes. Applied, thank you!

Re: [PATCH v6 RESEND 0/1] drm/xen-front: Add support for Xen PV display frontend

On 04/03/2018 02:23 PM, Oleksandr Andrushchenko wrote: Resending with even more checkpatch code-style fixes. Applied, thank you!

[PATCH v6 RESEND 1/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration o

[PATCH v6 RESEND 1/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration of both backend and frontend is done via

[PATCH v6 RESEND 0/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Resending with even more checkpatch code-style fixes. Hello! Boris/Daniel, I put your R-b tags, so please do let me know if this is not acceptable, so I remove the tags. This patch series adds support for Xen [1] para-virtu

[PATCH v6 RESEND 0/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Resending with even more checkpatch code-style fixes. Hello! Boris/Daniel, I put your R-b tags, so please do let me know if this is not acceptable, so I remove the tags. This patch series adds support for Xen [1] para-virtualized frontend display driver

[PATCH v6 1/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration o

[PATCH v6 1/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration of both backend and frontend is done via

[PATCH v6 0/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! Boris/Daniel, I put your R-b tags, so please do let me know if this is not acceptable, so I remove the tags. This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the pr

[PATCH v6 0/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Hello! Boris/Daniel, I put your R-b tags, so please do let me know if this is not acceptable, so I remove the tags. This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io

[PATCH 1/1] drm/xen-zcopy: Add Xen zero-copy helper DRM driver

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Introduce Xen zero-copy helper DRM driver, add user-space API of the driver: 1. DRM_IOCTL_XEN_ZCOPY_DUMB_FROM_REFS This will create a DRM dumb buffer from grant references provided by the frontend. The intended

[PATCH 1/1] drm/xen-zcopy: Add Xen zero-copy helper DRM driver

From: Oleksandr Andrushchenko Introduce Xen zero-copy helper DRM driver, add user-space API of the driver: 1. DRM_IOCTL_XEN_ZCOPY_DUMB_FROM_REFS This will create a DRM dumb buffer from grant references provided by the frontend. The intended usage is: - Frontend - creates a dumb/display

[PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy helper DRM driver

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! When using Xen PV DRM frontend driver then on backend side one will need to do copying of display buffers' contents (filled by the frontend's user-space) into buffers allocated at the backend side. Taking into a

[PATCH 0/1] drm/xen-zcopy: Add Xen zero-copy helper DRM driver

From: Oleksandr Andrushchenko Hello! When using Xen PV DRM frontend driver then on backend side one will need to do copying of display buffers' contents (filled by the frontend's user-space) into buffers allocated at the backend side. Taking into account the size of display buffers and frames

Re: [PATCH] drm: Use srcu to protect drm_device.unplugged

On 03/28/2018 06:09 PM, Daniel Vetter wrote: On Wed, Mar 28, 2018 at 10:38:35AM +0300, Oleksandr Andrushchenko wrote: From: Noralf Trønnes <nor...@tronnes.org> Use srcu to protect drm_device.unplugged in a race free manner. Drivers can use drm_dev_enter()/drm_dev_exit() to protect an

Re: [PATCH] drm: Use srcu to protect drm_device.unplugged

On 03/28/2018 06:09 PM, Daniel Vetter wrote: On Wed, Mar 28, 2018 at 10:38:35AM +0300, Oleksandr Andrushchenko wrote: From: Noralf Trønnes Use srcu to protect drm_device.unplugged in a race free manner. Drivers can use drm_dev_enter()/drm_dev_exit() to protect and mark sections preventing

Re: [PATCH v5 0/1] drm/xen-front: Add support for Xen PV display frontend

On 03/29/2018 12:22 PM, Oleksandr Andrushchenko wrote: Changes since v4: For your convenience I am attaching diff between v4..v5 diff --git a/Documentation/gpu/xen-front.rst b/Documentation/gpu/xen-front.rst index 8188e03c9d23..009d942386c5 100644 --- a/Documentation/gpu/xen-front.rst +++ b

Re: [PATCH v5 0/1] drm/xen-front: Add support for Xen PV display frontend

On 03/29/2018 12:22 PM, Oleksandr Andrushchenko wrote: Changes since v4: For your convenience I am attaching diff between v4..v5 diff --git a/Documentation/gpu/xen-front.rst b/Documentation/gpu/xen-front.rst index 8188e03c9d23..009d942386c5 100644 --- a/Documentation/gpu/xen-front.rst +++ b

[PATCH v5 1/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration o

[PATCH v5 1/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration of both backend and frontend is done via

[PATCH v5 0/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! Boris/Daniel, I put your R-b tags, so please do let me know if this is not acceptable, so I remove the tags. This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the pr

[PATCH v5 0/1] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Hello! Boris/Daniel, I put your R-b tags, so please do let me know if this is not acceptable, so I remove the tags. This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io

Re: [PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

On 03/29/2018 10:17 AM, Daniel Vetter wrote: On Wed, Mar 28, 2018 at 01:29:46PM +0300, Oleksandr Andrushchenko wrote: Hi, Daniel! I just noticed I have missed one change in the patch: the below must be static. On 03/28/2018 10:42 AM, Daniel Vetter wrote: +enum drm_mode_status

Re: [PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

On 03/29/2018 10:17 AM, Daniel Vetter wrote: On Wed, Mar 28, 2018 at 01:29:46PM +0300, Oleksandr Andrushchenko wrote: Hi, Daniel! I just noticed I have missed one change in the patch: the below must be static. On 03/28/2018 10:42 AM, Daniel Vetter wrote: +enum drm_mode_status

Re: [PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

xen_drm_front_drm_pipeline *pipeline = + container_of(crtc, Could you please amend the patch in attachment when merging, so I don't resend? Thank you in advance, Oleksandr >From 3a82d76bd3d954056b760e5d1d09e2f96a2786ef Mon Sep 17 00:00:00 2001 From: Oleksandr Andrushchenko <oleksandr_andr

Re: [PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

xen_drm_front_drm_pipeline *pipeline = + container_of(crtc, Could you please amend the patch in attachment when merging, so I don't resend? Thank you in advance, Oleksandr >From 3a82d76bd3d954056b760e5d1d09e2f96a2786ef Mon Sep 17 00:00:00 2001 From: Oleksandr Andrushchenko Date: Wed, 28 Mar 2

Re: [PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

On 03/28/2018 10:42 AM, Daniel Vetter wrote: kms side looks good now too. Reviewed-by: Daniel Vetter Thank you

Re: [PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

On 03/28/2018 10:42 AM, Daniel Vetter wrote: kms side looks good now too. Reviewed-by: Daniel Vetter Thank you

[PATCH] drm: Use srcu to protect drm_device.unplugged

Vetter <daniel.vet...@ffwll.ch> Signed-off-by: Noralf Trønnes <nor...@tronnes.org> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Tested-by: Oleksandr Andrushchenko <ole

[PATCH] drm: Use srcu to protect drm_device.unplugged

-by: Noralf Trønnes Signed-off-by: Oleksandr Andrushchenko Reviewed-by: Oleksandr Andrushchenko Tested-by: Oleksandr Andrushchenko Cc: intel-...@lists.freedesktop.org --- drivers/gpu/drm/drm_drv.c | 54 ++- include/drm/drm_device.h | 9 +++- include/drm

[PATCH v4 0/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! Notes. 1. Boris, I put your R-b tag as I almost didn't change Xen part of the driver (see below). Please let me know if this is not acceptable, so I remove the tag. 2. With this patch series I am also adding a patc

[PATCH v4 0/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Hello! Notes. 1. Boris, I put your R-b tag as I almost didn't change Xen part of the driver (see below). Please let me know if this is not acceptable, so I remove the tag. 2. With this patch series I am also adding a patch from Noralf Trønnes [12] to enable

[PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration o

[PATCH v4 2/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration of both backend and frontend is done via

[PATCH v4 1/2] drm: Use srcu to protect drm_device.unplugged

Vetter <daniel.vet...@ffwll.ch> Signed-off-by: Noralf Trønnes <nor...@tronnes.org> Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Tested-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Cc: intel-...@lists.freedesktop.org ---

[PATCH v4 1/2] drm: Use srcu to protect drm_device.unplugged

-by: Noralf Trønnes Reviewed-by: Oleksandr Andrushchenko Tested-by: Oleksandr Andrushchenko Cc: intel-...@lists.freedesktop.org --- drivers/gpu/drm/drm_drv.c | 54 ++- include/drm/drm_device.h | 9 +++- include/drm/drm_drv.h | 15 + 3

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

On 03/27/2018 12:50 PM, Daniel Vetter wrote: On Tue, Mar 27, 2018 at 11:34 AM, Oleksandr Andrushchenko <andr2...@gmail.com> wrote: Hi, Daniel! On 03/26/2018 03:46 PM, Oleksandr Andrushchenko wrote: On 03/26/2018 11:18 AM, Daniel Vetter wrote: On Fri, Mar 23, 2018 at 05:54:49PM

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

On 03/27/2018 12:50 PM, Daniel Vetter wrote: On Tue, Mar 27, 2018 at 11:34 AM, Oleksandr Andrushchenko wrote: Hi, Daniel! On 03/26/2018 03:46 PM, Oleksandr Andrushchenko wrote: On 03/26/2018 11:18 AM, Daniel Vetter wrote: On Fri, Mar 23, 2018 at 05:54:49PM +0200, Oleksandr Andrushchenko

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

Hi, Daniel! On 03/26/2018 03:46 PM, Oleksandr Andrushchenko wrote: On 03/26/2018 11:18 AM, Daniel Vetter wrote: On Fri, Mar 23, 2018 at 05:54:49PM +0200, Oleksandr Andrushchenko wrote: My apologies, but I found a few more things that look strange and should be cleaned up. Sorry

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

Hi, Daniel! On 03/26/2018 03:46 PM, Oleksandr Andrushchenko wrote: On 03/26/2018 11:18 AM, Daniel Vetter wrote: On Fri, Mar 23, 2018 at 05:54:49PM +0200, Oleksandr Andrushchenko wrote: My apologies, but I found a few more things that look strange and should be cleaned up. Sorry

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

On 03/26/2018 11:18 AM, Daniel Vetter wrote: On Fri, Mar 23, 2018 at 05:54:49PM +0200, Oleksandr Andrushchenko wrote: My apologies, but I found a few more things that look strange and should be cleaned up. Sorry for this iterative review approach, but I think we're slowly getting there. Thank

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

On 03/26/2018 11:18 AM, Daniel Vetter wrote: On Fri, Mar 23, 2018 at 05:54:49PM +0200, Oleksandr Andrushchenko wrote: My apologies, but I found a few more things that look strange and should be cleaned up. Sorry for this iterative review approach, but I think we're slowly getting there. Thank

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

My apologies, but I found a few more things that look strange and should be cleaned up. Sorry for this iterative review approach, but I think we're slowly getting there. Thank you for reviewing! Cheers, Daniel --- +static int xen_drm_drv_dumb_create(struct drm_file *filp, +

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

My apologies, but I found a few more things that look strange and should be cleaned up. Sorry for this iterative review approach, but I think we're slowly getting there. Thank you for reviewing! Cheers, Daniel --- +static int xen_drm_drv_dumb_create(struct drm_file *filp, +

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

On 03/22/2018 03:14 AM, Boris Ostrovsky wrote: On 03/21/2018 10:58 AM, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user

Re: [PATCH v3] drm/xen-front: Add support for Xen PV display frontend

On 03/22/2018 03:14 AM, Boris Ostrovsky wrote: On 03/21/2018 10:58 AM, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2

[PATCH v3] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration o

[PATCH v3] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration of both backend and frontend is done via

[PATCH v3] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io/displif.h [2]. Accompanying backend [3] is implemented as a user-space appli

[PATCH v3] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Hello! This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io/displif.h [2]. Accompanying backend [3] is implemented as a user-space application and its helper library [4

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

On 03/20/2018 03:47 PM, Daniel Vetter wrote: On Tue, Mar 20, 2018 at 01:58:01PM +0200, Oleksandr Andrushchenko wrote: On 03/19/2018 05:28 PM, Daniel Vetter wrote: There should be no difference between immediate removal and delayed removal of the drm_device from the xenbus pov. The lifetimes

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

On 03/20/2018 03:47 PM, Daniel Vetter wrote: On Tue, Mar 20, 2018 at 01:58:01PM +0200, Oleksandr Andrushchenko wrote: On 03/19/2018 05:28 PM, Daniel Vetter wrote: There should be no difference between immediate removal and delayed removal of the drm_device from the xenbus pov. The lifetimes

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

On 03/19/2018 05:28 PM, Daniel Vetter wrote: On Mon, Mar 19, 2018 at 3:19 PM, Oleksandr Andrushchenko <andr2...@gmail.com> wrote: On 03/19/2018 03:51 PM, Daniel Vetter wrote: On Fri, Mar 16, 2018 at 12:52:09PM +0200, Oleksandr Andrushchenko wrote: Hi, Daniel! Sorry, if I strip the pat

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

On 03/19/2018 05:28 PM, Daniel Vetter wrote: On Mon, Mar 19, 2018 at 3:19 PM, Oleksandr Andrushchenko wrote: On 03/19/2018 03:51 PM, Daniel Vetter wrote: On Fri, Mar 16, 2018 at 12:52:09PM +0200, Oleksandr Andrushchenko wrote: Hi, Daniel! Sorry, if I strip the patch too much below. On 03/16

Re: [PATCH RESEND v2 0/2] drm/xen-front: Add support for Xen PV display frontend

On 03/20/2018 01:23 AM, Boris Ostrovsky wrote: On 03/13/2018 12:21 PM, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! Resending with all the patches squashed on Daniel's request. Which of the two series are we supposed to review?

Re: [PATCH RESEND v2 0/2] drm/xen-front: Add support for Xen PV display frontend

On 03/20/2018 01:23 AM, Boris Ostrovsky wrote: On 03/13/2018 12:21 PM, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Hello! Resending with all the patches squashed on Daniel's request. Which of the two series are we supposed to review? The 8-patch one or this? (I hope it's

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

On 03/19/2018 03:51 PM, Daniel Vetter wrote: On Fri, Mar 16, 2018 at 12:52:09PM +0200, Oleksandr Andrushchenko wrote: Hi, Daniel! Sorry, if I strip the patch too much below. On 03/16/2018 10:23 AM, Daniel Vetter wrote: S-o-b line went missing here :-) will restore it back ;) I've read

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

On 03/19/2018 03:51 PM, Daniel Vetter wrote: On Fri, Mar 16, 2018 at 12:52:09PM +0200, Oleksandr Andrushchenko wrote: Hi, Daniel! Sorry, if I strip the patch too much below. On 03/16/2018 10:23 AM, Daniel Vetter wrote: S-o-b line went missing here :-) will restore it back ;) I've read

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

Hi, Daniel! Sorry, if I strip the patch too much below. On 03/16/2018 10:23 AM, Daniel Vetter wrote: S-o-b line went missing here :-) will restore it back ;) I've read through it, 2 actual review comments (around hot-unplug and around the error recovery for failed flips), a few bikesheds,

Re: [PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

Hi, Daniel! Sorry, if I strip the patch too much below. On 03/16/2018 10:23 AM, Daniel Vetter wrote: S-o-b line went missing here :-) will restore it back ;) I've read through it, 2 actual review comments (around hot-unplug and around the error recovery for failed flips), a few bikesheds,

[PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration o

[PATCH RESEND v2 1/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Add support for Xen para-virtualized frontend display driver. Accompanying backend [1] is implemented as a user-space application and its helper library [2], capable of running as a Weston client or DRM master. Configuration of both backend and frontend is done via

[PATCH RESEND v2 0/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! Resending with all the patches squashed on Daniel's request. This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io/displi

[PATCH RESEND v2 0/2] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Hello! Resending with all the patches squashed on Daniel's request. This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io/displif.h [2]. Accompanying backend [3] is implemented

[PATCH RESEND v2 2/2] drm/xen-front: Provide kernel documentation

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Provide kernel documentation for the Xen para-virtualized frontend DRM driver. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> --- Documentation/gpu/index.rst | 1 + Documentation/gpu/x

[PATCH RESEND v2 2/2] drm/xen-front: Provide kernel documentation

From: Oleksandr Andrushchenko Provide kernel documentation for the Xen para-virtualized frontend DRM driver. Signed-off-by: Oleksandr Andrushchenko --- Documentation/gpu/index.rst | 1 + Documentation/gpu/xen-front.rst | 77 + 2 files changed, 78

[PATCH v2 1/8] drm/xen-front: Introduce Xen para-virtualized frontend driver

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Introduce skeleton of the para-virtualized Xen display frontend driver. This patch only adds required essential stubs. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> --- drivers/gpu

[PATCH v2 1/8] drm/xen-front: Introduce Xen para-virtualized frontend driver

From: Oleksandr Andrushchenko Introduce skeleton of the para-virtualized Xen display frontend driver. This patch only adds required essential stubs. Signed-off-by: Oleksandr Andrushchenko --- drivers/gpu/drm/Kconfig | 2 ++ drivers/gpu/drm/Makefile| 1 + drivers/gpu

[PATCH v2 6/8] drm/xen-front: Introduce DRM/KMS virtual display driver

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Implement essential initialization of the display driver: - introduce required data structures - handle DRM/KMS driver registration - register driver on backend connection - remove driver on backend disconnect Imp

[PATCH v2 6/8] drm/xen-front: Introduce DRM/KMS virtual display driver

From: Oleksandr Andrushchenko Implement essential initialization of the display driver: - introduce required data structures - handle DRM/KMS driver registration - register driver on backend connection - remove driver on backend disconnect Implement kernel modesetiing/connector handling

[PATCH v2 0/8] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Hello! This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io/displif.h [2]. Accompanying backend [3] is implemented as a user-space appli

[PATCH v2 0/8] drm/xen-front: Add support for Xen PV display frontend

From: Oleksandr Andrushchenko Hello! This patch series adds support for Xen [1] para-virtualized frontend display driver. It implements the protocol from include/xen/interface/io/displif.h [2]. Accompanying backend [3] is implemented as a user-space application and its helper library [4

[PATCH v2 5/8] drm/xen-front: Implement handling of shared display buffers

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Implement shared buffer handling according to the para-virtualized display device protocol at xen/interface/io/displif.h: - handle page directories according to displif protocol: - allocate and share page direc

[PATCH v2 5/8] drm/xen-front: Implement handling of shared display buffers

From: Oleksandr Andrushchenko Implement shared buffer handling according to the para-virtualized display device protocol at xen/interface/io/displif.h: - handle page directories according to displif protocol: - allocate and share page directories - grant references to the required set

[PATCH v2 3/8] drm/xen-front: Read driver configuration from Xen store

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Read configuration values from Xen store according to xen/interface/io/displif.h protocol: - read connector(s) configuration - read buffer allocation mode (backend/frontend) Signed-off-by: Oleksandr Andrush

[PATCH v2 3/8] drm/xen-front: Read driver configuration from Xen store

From: Oleksandr Andrushchenko Read configuration values from Xen store according to xen/interface/io/displif.h protocol: - read connector(s) configuration - read buffer allocation mode (backend/frontend) Signed-off-by: Oleksandr Andrushchenko --- drivers/gpu/drm/xen/Makefile

[PATCH v2 7/8] drm/xen-front: Implement GEM operations and backend communication

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Implement GEM handling depending on driver mode of operation: depending on the requirements for the para-virtualized environment, namely requirements dictated by the accompanying DRM/(v)GPU drivers running in both host and

[PATCH v2 7/8] drm/xen-front: Implement GEM operations and backend communication

From: Oleksandr Andrushchenko Implement GEM handling depending on driver mode of operation: depending on the requirements for the para-virtualized environment, namely requirements dictated by the accompanying DRM/(v)GPU drivers running in both host and guest environments, number of operating

[PATCH v2 4/8] drm/xen-front: Implement Xen event channel handling

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Handle Xen event channels: - create for all configured connectors and publish corresponding ring references and event channels in Xen store, so backend can connect - implement event channels interrupt handlers -

[PATCH v2 8/8] drm/xen-front: Provide kernel documentation

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Provide kernel documentation for the Xen para-virtualized frontend DRM driver. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> --- Documentation/gpu/index.rst | 1 + Documentation/gpu/x

[PATCH v2 4/8] drm/xen-front: Implement Xen event channel handling

From: Oleksandr Andrushchenko Handle Xen event channels: - create for all configured connectors and publish corresponding ring references and event channels in Xen store, so backend can connect - implement event channels interrupt handlers - create and destroy event channels

[PATCH v2 8/8] drm/xen-front: Provide kernel documentation

From: Oleksandr Andrushchenko Provide kernel documentation for the Xen para-virtualized frontend DRM driver. Signed-off-by: Oleksandr Andrushchenko --- Documentation/gpu/index.rst | 1 + Documentation/gpu/xen-front.rst | 77 + 2 files changed, 78

[PATCH v2 2/8] drm/xen-front: Implement Xen bus state handling

From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Initial handling for Xen bus states: implement Xen bus state machine for the frontend driver according to the state diagram and recovery flow from display para-virtualized protocol: xen/interface/io/displif.h. Sign

[PATCH v2 2/8] drm/xen-front: Implement Xen bus state handling

From: Oleksandr Andrushchenko Initial handling for Xen bus states: implement Xen bus state machine for the frontend driver according to the state diagram and recovery flow from display para-virtualized protocol: xen/interface/io/displif.h. Signed-off-by: Oleksandr Andrushchenko --- drivers

Re: [PATCH 9/9] drm/xen-front: Implement communication with backend

On 03/06/2018 11:26 AM, Daniel Vetter wrote: On Mon, Mar 05, 2018 at 11:30:35AM +0200, Oleksandr Andrushchenko wrote: On 03/05/2018 11:25 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:42AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrush

Re: [PATCH 9/9] drm/xen-front: Implement communication with backend

On 03/06/2018 11:26 AM, Daniel Vetter wrote: On Mon, Mar 05, 2018 at 11:30:35AM +0200, Oleksandr Andrushchenko wrote: On 03/05/2018 11:25 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:42AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Handle communication

Re: [PATCH 8/9] drm/xen-front: Implement GEM operations

On 03/06/2018 09:26 AM, Daniel Vetter wrote: On Mon, Mar 05, 2018 at 03:46:07PM +0200, Oleksandr Andrushchenko wrote: On 03/05/2018 11:32 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:41AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrush

Re: [PATCH 8/9] drm/xen-front: Implement GEM operations

On 03/06/2018 09:26 AM, Daniel Vetter wrote: On Mon, Mar 05, 2018 at 03:46:07PM +0200, Oleksandr Andrushchenko wrote: On 03/05/2018 11:32 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:41AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Implement GEM handling

Re: [PATCH 7/9] drm/xen-front: Implement KMS/connector handling

On 03/06/2018 09:22 AM, Daniel Vetter wrote: On Mon, Mar 05, 2018 at 02:59:23PM +0200, Oleksandr Andrushchenko wrote: On 03/05/2018 11:23 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:40AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrush

Re: [PATCH 7/9] drm/xen-front: Implement KMS/connector handling

On 03/06/2018 09:22 AM, Daniel Vetter wrote: On Mon, Mar 05, 2018 at 02:59:23PM +0200, Oleksandr Andrushchenko wrote: On 03/05/2018 11:23 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:40AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Implement kernel

Re: [PATCH 8/9] drm/xen-front: Implement GEM operations

On 03/05/2018 11:32 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:41AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Implement GEM handling depending on driver mode of operation: depending on the requirements for th

Re: [PATCH 8/9] drm/xen-front: Implement GEM operations

On 03/05/2018 11:32 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:41AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Implement GEM handling depending on driver mode of operation: depending on the requirements for the para-virtualized environment, namely

Re: [PATCH 7/9] drm/xen-front: Implement KMS/connector handling

On 03/05/2018 11:23 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:40AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Implement kernel modesetiing/connector handling using DRM simple KMS helper pipeline: - implement KM

Re: [PATCH 7/9] drm/xen-front: Implement KMS/connector handling

On 03/05/2018 11:23 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:40AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Implement kernel modesetiing/connector handling using DRM simple KMS helper pipeline: - implement KMS part of the driver with the help of DRM

Re: [PATCH 9/9] drm/xen-front: Implement communication with backend

On 03/05/2018 11:25 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:42AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Handle communication with the backend: - send requests and wait for the responses acc

Re: [PATCH 9/9] drm/xen-front: Implement communication with backend

On 03/05/2018 11:25 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:42AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Handle communication with the backend: - send requests and wait for the responses according to the displif protocol - serialize access

Re: [PATCH 6/9] drm/xen-front: Introduce DRM/KMS virtual display driver

On 03/05/2018 11:13 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:39AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko <oleksandr_andrushche...@epam.com> Implement essential initialization of the display driver: - introduce required data structures -

Re: [PATCH 6/9] drm/xen-front: Introduce DRM/KMS virtual display driver

On 03/05/2018 11:13 AM, Daniel Vetter wrote: On Wed, Feb 21, 2018 at 10:03:39AM +0200, Oleksandr Andrushchenko wrote: From: Oleksandr Andrushchenko Implement essential initialization of the display driver: - introduce required data structures - handle DRM/KMS driver registration

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