From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Subject: [PATCH v1 0/4] iommu/tegra: gart: Couple corrections Date: Wed, 5 Jul 2017 19:29:44 +0300 Message-ID: Return-path: Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Thierry Reding , Joerg Roedel , Jonathan Hunter Cc: Hiroshi Doyu , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org List-Id: iommu@lists.linux-foundation.org I've added an experimental support of the GART to the Tegra DRM driver and it ended up with a very positive result. During the testing of the GART driver I've noticed couple of its minor shortcomings, so here the patches to remedy them. Dmitry Osipenko (4): iommu/tegra: gart: Don't unnecessarily allocate registers context iommu/tegra: gart: Check whether page is already mapped iommu/tegra: gart: Move PFN validation out of spinlock iommu/tegra: gart: Correct number of unmapped bytes drivers/iommu/tegra-gart.c | 49 +++++++++++++++++++++++++++++++++------------- 1 file changed, 35 insertions(+), 14 deletions(-) -- 2.13.2