kernel 5.10.6

1 files changed, 0 insertions, 113 deletions

diff --git a/SOURCES/memory-tegra-Remove-GPU-from-DRM-IOMMU-group.patch b/SOURCES/memory-tegra-Remove-GPU-from-DRM-IOMMU-group.patch
deleted file mode 100644
index 7b30b78..0000000
--- a/SOURCES/memory-tegra-Remove-GPU-from-DRM-IOMMU-group.patch
+++ /dev/null
@@ -1,113 +0,0 @@
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-From: Thierry Reding <thierry.reding@gmail.com>
-To: Krzysztof Kozlowski <krzk@kernel.org>,
- Thierry Reding <thierry.reding@gmail.com>
-Cc: Jonathan Hunter <jonathanh@nvidia.com>, Dmitry Osipenko <digetx@gmail.com>,
- linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
- Matias Zuniga <matias.nicolas.zc@gmail.com>
-Subject: [PATCH] memory: tegra: Remove GPU from DRM IOMMU group
-Date: Tue,  1 Sep 2020 17:32:48 +0200
-Message-Id: <20200901153248.1831263-1-thierry.reding@gmail.com>
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-From: Thierry Reding <treding@nvidia.com>
-
-Commit 63a613fdb16c ("memory: tegra: Add gr2d and gr3d to DRM IOMMU
-group") added the GPU to the DRM IOMMU group, which doesn't make any
-sense. This causes problems when Nouveau tries to attach to the SMMU
-and causes it to fall back to using the DMA API.
-
-Remove the GPU from the DRM groups to restore the old behaviour. The
-GPU should always have its own IOMMU domain to make sure it can map
-buffers into contiguous chunks (for big page support) without getting
-in the way of mappings from the DRM group.
-
-Fixes: 63a613fdb16c ("memory: tegra: Add gr2d and gr3d to DRM IOMMU group")
-Reported-by: Matias Zuniga <matias.nicolas.zc@gmail.com>
-Signed-off-by: Thierry Reding <treding@nvidia.com>
-Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
----
- drivers/memory/tegra/tegra124.c | 1 -
- 1 file changed, 1 deletion(-)
-
-diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c
-index 493b5dc3a4b3..0cede24479bf 100644
---- a/drivers/memory/tegra/tegra124.c
-+++ b/drivers/memory/tegra/tegra124.c
-@@ -957,7 +957,6 @@ static const struct tegra_smmu_swgroup tegra124_swgroups[] = {
- static const unsigned int tegra124_group_drm[] = {
- 	TEGRA_SWGROUP_DC,
- 	TEGRA_SWGROUP_DCB,
--	TEGRA_SWGROUP_GPU,
- 	TEGRA_SWGROUP_VIC,
- };
-