From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Mikko Perttunen <cyndis-/1wQRMveznE@public.gmane.org>,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
DRI Development
<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
Erik Faye-Lund
<kusmabite-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH 22/22] Revert "iommu/tegra: gart: Do not register with bus"
Date: Tue, 30 May 2017 11:21:23 +0200 [thread overview]
Message-ID: <20170530092123.GB2818@8bytes.org> (raw)
In-Reply-To: <781477cf9ac61301e639f71236d65a8b31586827.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Tue, May 23, 2017 at 03:16:33AM +0300, Dmitry Osipenko wrote:
> The GART driver was disabled because it was picked by as an IOMMU provider
> for the DRM driver on Tegra20, which is not the purpose of the GART. Now
> DRM driver avoids to use IOMMU on Tegra20, so the GART driver can be
> re-enabled. Potentially there are interesting use cases of the GART for
> Tegra20, like mmap'ing of a fallback memory allocation and using its GART
> aperture for an accelerated graphics operation.
>
> This reverts commit c7e3ca515e784a82223f447b79eb2090bdb91378.
>
> Signed-off-by: Dmitry Osipenko <digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> ---
> drivers/iommu/tegra-gart.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
next prev parent reply other threads:[~2017-05-30 9:21 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-23 0:14 [PATCH 00/22] Tegra DRM fixes Dmitry Osipenko
[not found] ` <cover.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-23 0:14 ` [PATCH 01/22] drm/tegra: Fix lockup on a use of staging API Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 02/22] drm/tegra: Correct idr_alloc() minimum id Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 03/22] drm/tegra: Check whether page belongs to BO in tegra_bo_kmap() Dmitry Osipenko
[not found] ` <04637a55694493bdd8267a7f19798d7968568087.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-23 0:21 ` Erik Faye-Lund
2017-06-01 18:01 ` Mikko Perttunen
[not found] ` <451c46eb-7e5e-8f3a-9197-adffba014559-/1wQRMveznE@public.gmane.org>
2017-06-01 18:32 ` Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 04/22] drm/tegra: Check for malformed offsets and sizes in the 'submit' IOCTL Dmitry Osipenko
[not found] ` <801e3023e6fe11744c7e675ca7b9c5890e3210f2.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-31 18:39 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 05/22] drm/tegra: Correct copying of waitchecks and disable them " Dmitry Osipenko
[not found] ` <380fc14d114ac9abb15e447c90a4363913d34a52.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-31 18:43 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 06/22] drm/tegra: Check syncpoint ID " Dmitry Osipenko
[not found] ` <f116e4fbab1391ed59a7401f2838e95bcc3025d9.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-31 18:46 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 07/22] drm/tegra: Remove module ownership from the tegra_fb_ops Dmitry Osipenko
2017-06-13 13:43 ` Thierry Reding
[not found] ` <20170613134340.GG16758-m5CkvRiFyV9wFLYp8hBm2A@public.gmane.org>
2017-06-13 14:00 ` Dmitry Osipenko
[not found] ` <827dcffe-b25c-75b1-d988-5977de1dd83f-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-13 15:07 ` Thierry Reding
[not found] ` <20170613150720.GD20577-m5CkvRiFyV9wFLYp8hBm2A@public.gmane.org>
2017-06-13 17:39 ` Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 08/22] drm/tegra: dc: Drop the reset asserts to workaround a bug Dmitry Osipenko
[not found] ` <35e1ef44da98701b2c507c31ecc0812530303d2d.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-13 13:45 ` Thierry Reding
[not found] ` <20170613134546.GH16758-m5CkvRiFyV9wFLYp8hBm2A@public.gmane.org>
2017-06-13 14:18 ` Dmitry Osipenko
[not found] ` <8d131ad2-5d1a-635e-4a6c-73b69cbf8e72-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-13 15:07 ` Thierry Reding
2017-05-23 0:14 ` [PATCH 09/22] drm/tegra: dc: Apply clipping to the plane Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 10/22] drm/tegra: Disable plane if it is invisible Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 11/22] gpu: host1x: Initialize firewall class to the jobs one Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 12/22] gpu: host1x: Correct host1x_job_pin() error handling Dmitry Osipenko
[not found] ` <a153e811388386c26d21e26ac4deb72a4d01ae74.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-23 0:32 ` Erik Faye-Lund
2017-05-31 18:50 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 13/22] gpu: host1x: Do not leak BO's phys address to userspace Dmitry Osipenko
[not found] ` <0a7594fdecc4298f684ed55fda5c5b1be9c443ec.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-13 17:31 ` Mikko Perttunen
[not found] ` <00e5e6d5-def4-a4f6-df93-9505be13c4be-/1wQRMveznE@public.gmane.org>
2017-06-13 18:21 ` Dmitry Osipenko
[not found] ` <5e197807-ef57-604f-879d-7be691785a60-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-13 19:03 ` Mikko Perttunen
[not found] ` <3c0df318-d1d9-60fc-81e4-0cfa871b28e1-/1wQRMveznE@public.gmane.org>
2017-06-13 19:56 ` Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 14/22] gpu: host1x: Forbid relocation address shifting in the firewall Dmitry Osipenko
[not found] ` <15311f1c044c3ff26624e2a980b0c477b1cf33b2.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-23 0:33 ` Erik Faye-Lund
2017-05-23 10:14 ` Mikko Perttunen
[not found] ` <3c5d7896-6753-78c5-5a74-25061244acff-/1wQRMveznE@public.gmane.org>
2017-05-23 10:58 ` Dmitry Osipenko
[not found] ` <b481d7f3-d82a-407b-4eb0-6ed24ca32199-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-23 11:19 ` Mikko Perttunen
[not found] ` <d5197c08-516b-0687-e2ec-61adda99caa1-/1wQRMveznE@public.gmane.org>
2017-05-23 11:28 ` Dmitry Osipenko
2017-06-01 17:39 ` Mikko Perttunen
[not found] ` <56ee62e7-a53b-0270-837a-2ae6f0a848cc-/1wQRMveznE@public.gmane.org>
2017-06-01 18:37 ` Dmitry Osipenko
[not found] ` <0a4181f5-2e19-31ed-2a8b-3314a0481c81-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-01 18:44 ` Dmitry Osipenko
[not found] ` <58379261-a17a-fc59-e29b-c670eafbbce5-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-01 18:51 ` Mikko Perttunen
[not found] ` <34b2d0b4-0e53-98b6-6859-34b8f3e32251-/1wQRMveznE@public.gmane.org>
2017-06-01 19:15 ` Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 15/22] gpu: host1x: Forbid RESTART opcode " Dmitry Osipenko
[not found] ` <b214fc1c2e3952511eb97a404795b786c08bdeed.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-01 17:41 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 16/22] gpu: host1x: Forbid unrelated SETCLASS " Dmitry Osipenko
[not found] ` <741d3bbfb74b5455e016164a3a30d9e3101bdc24.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-23 0:39 ` Erik Faye-Lund
[not found] ` <CABPQNSbEXGHUv8kHr2sLjOLrVAiNXdStKUapMZX+CX5RWi0cfg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-05-23 0:45 ` Dmitry Osipenko
2017-06-13 14:06 ` Thierry Reding
[not found] ` <20170613140653.GI16758-m5CkvRiFyV9wFLYp8hBm2A@public.gmane.org>
2017-06-13 14:15 ` Dmitry Osipenko
2017-06-01 17:46 ` Mikko Perttunen
[not found] ` <11a042e3-a220-556f-ecdb-a2d9f93910eb-/1wQRMveznE@public.gmane.org>
2017-06-01 18:36 ` Dmitry Osipenko
2017-05-23 0:14 ` [PATCH 17/22] gpu: host1x: Check waits " Dmitry Osipenko
[not found] ` <1c406c0f1ed144abb3d4b5f52272c5cd6faa2d3a.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-01 17:51 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 18/22] gpu: host1x: Remove unused 'struct host1x_cmdbuf' Dmitry Osipenko
2017-05-23 0:42 ` Erik Faye-Lund
[not found] ` <f744341274b5749761550d14e37cac57cd0e63fc.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-01 17:52 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 19/22] gpu: host1x: Remove unused host1x_cdma_stop() definition Dmitry Osipenko
2017-05-23 0:43 ` Erik Faye-Lund
[not found] ` <2c22b2d1cedcfe75f66aa8500c2b9425e10724d0.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-01 17:52 ` Mikko Perttunen
2017-05-23 0:14 ` [PATCH 20/22] gpu: host1x: Refactor channel allocation code Dmitry Osipenko
2017-05-23 0:16 ` [PATCH 21/22] drm/tegra: Don't use IOMMU on Tegra20 Dmitry Osipenko
[not found] ` <fb3b357fbbdf61a20609f38a817c3f45ebc238fc.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-23 0:16 ` [PATCH 22/22] Revert "iommu/tegra: gart: Do not register with bus" Dmitry Osipenko
[not found] ` <781477cf9ac61301e639f71236d65a8b31586827.1495498184.git.digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-05-30 9:21 ` Joerg Roedel [this message]
2017-05-30 9:21 ` [PATCH 21/22] drm/tegra: Don't use IOMMU on Tegra20 Joerg Roedel
[not found] ` <20170530092109.GA2818-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2017-05-30 10:08 ` Dmitry Osipenko
2017-06-01 8:36 ` Dmitry Osipenko
[not found] ` <a61919f1-df1f-9cd0-3059-53daa3a88ff7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-06-01 17:57 ` Mikko Perttunen
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