linux-kernel - [PATCH 11/29] DRM: exynos: add DRIVER_HAS_OWN_IOMMU

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 05 Aug 2014 12:47:39 +0200
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	iommu@...ts.linux-foundation.org,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	linaro-mm-sig@...ts.linaro.org, Arnd Bergmann <arnd@...db.de>,
	Shaik Ameer Basha <shaik.ameer@...sung.com>,
	Cho KyongHo <pullip.cho@...sung.com>,
	Joerg Roedel <joro@...tes.org>,
	Thierry Reding <treding@...dia.com>,
	Olof Johansson <olof@...om.net>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Rob Herring <robh@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Inki Dae <inki.dae@...sung.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: [PATCH 11/29] DRM: exynos: add DRIVER_HAS_OWN_IOMMU_MANAGER flag to
 all sub-drivers

Exynos DRM drivers do their own management of IO address space of all
controlled devices, so set DRIVER_HAS_OWN_IOMMU_MANAGER flag to instruct
IOMMU subsystem not to create any defaults for them.

Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fimc.c    | 1 +
 drivers/gpu/drm/exynos/exynos_drm_fimd.c    | 1 +
 drivers/gpu/drm/exynos/exynos_drm_g2d.c     | 1 +
 drivers/gpu/drm/exynos/exynos_drm_gsc.c     | 1 +
 drivers/gpu/drm/exynos/exynos_drm_rotator.c | 1 +
 drivers/gpu/drm/exynos/exynos_mixer.c       | 1 +
 6 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 831dde9..fe84215 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -1896,6 +1896,7 @@ struct platform_driver fimc_driver = {
 		.name	= "exynos-drm-fimc",
 		.owner	= THIS_MODULE,
 		.pm	= &fimc_pm_ops,
+		.flags	= DRIVER_HAS_OWN_IOMMU_MANAGER,
 	},
 };
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 33161ad..41904df 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -1031,5 +1031,6 @@ struct platform_driver fimd_driver = {
 		.name	= "exynos4-fb",
 		.owner	= THIS_MODULE,
 		.of_match_table = fimd_driver_dt_match,
+		.flags	= DRIVER_HAS_OWN_IOMMU_MANAGER,
 	},
 };
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 8001587..dddeae3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -1555,5 +1555,6 @@ struct platform_driver g2d_driver = {
 		.owner	= THIS_MODULE,
 		.pm	= &g2d_pm_ops,
 		.of_match_table = exynos_g2d_match,
+		.flags	= DRIVER_HAS_OWN_IOMMU_MANAGER,
 	},
 };
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 9e3ff16..76e8b1e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1797,6 +1797,7 @@ struct platform_driver gsc_driver = {
 		.name	= "exynos-drm-gsc",
 		.owner	= THIS_MODULE,
 		.pm	= &gsc_pm_ops,
+		.flags	= DRIVER_HAS_OWN_IOMMU_MANAGER,
 	},
 };
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index f01fbb6..2da91c4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -852,5 +852,6 @@ struct platform_driver rotator_driver = {
 		.owner	= THIS_MODULE,
 		.pm	= &rotator_pm_ops,
 		.of_match_table = exynos_rotator_match,
+		.flags	= DRIVER_HAS_OWN_IOMMU_MANAGER,
 	},
 };
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 7529946..79b1309a 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1320,6 +1320,7 @@ struct platform_driver mixer_driver = {
 		.name = "exynos-mixer",
 		.owner = THIS_MODULE,
 		.of_match_table = mixer_match_types,
+		.flags	= DRIVER_HAS_OWN_IOMMU_MANAGER,
 	},
 	.probe = mixer_probe,
 	.remove = mixer_remove,
-- 
1.9.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/