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Wed, 14 Aug 2019 15:02:33 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Subject: [PATCH 0/6] drm+dma: cache support for arm, etc Date: Wed, 14 Aug 2019 14:59:55 -0700 Message-Id: <20190814220011.26934-1-robdclark@gmail.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190814_150235_341602_A1CED8A9 X-CRM114-Status: GOOD ( 11.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kate Stewart , Masayoshi Mizuma , "Maciej W. Rozycki" , Eric Biggers , Catalin Marinas , Imre Deak , Chris Wilson , Masahiro Yamada , Benjamin Gaignard , Mauro Carvalho Chehab , Will Deacon , Christoph Hellwig , Emil Velikov , Rob Clark , Michael Ellerman , Mike Rapoport , Geert Uytterhoeven , "moderated list:ARM64 PORT AARCH64 ARCHITECTURE" , Daniel Vetter , "open list:MIPS" , Linus Walleij , Robin Murphy , "open list:DRM DRIVER FOR MSM ADRENO GPU" , Deepak Sharma , Joerg Roedel , Arnd Bergmann , Anshuman Khandual , Hauke Mehrtens , Jesper Dangaard Brouer , "Wolfram Sang \(Renesas\)" , "open list:LINUX FOR POWERPC 32-BIT AND 64-BIT" , Alexios Zavras , Russell King , Doug Anderson , Thomas Gleixner , Sean Paul , Allison Randal , Christophe Leroy , Enrico Weigelt , Ard Biesheuvel , Greg Kroah-Hartman , open list , Paul Burton , Souptick Joarder , Andrew Morton , "open list:DRM DRIVER FOR MSM ADRENO GPU" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Rob Clark This is a replacement for a previous patches[1] that was adding arm64 support for drm_clflush. I've also added a patch to solve a similar cache issue in vgem. The first few patches just export arch_sync_dma_for_*(). Possibly instead the EXPORT_SYMBOL_GPL() should be somewere central, rather than per-arch (but where would make sense?) The fourth adds (and exports) these ops for arch/arm. (Arnd Bergmann mentioned on IRC that Christoph Hellwig was working on this already for arch/arm which could replace the fourth patch.) The last two patches actually fix things. [1] https://patchwork.freedesktop.org/series/64732/ Rob Clark (6): arm64: export arch_sync_dma_for_*() mips: export arch_sync_dma_for_*() powerpc: export arch_sync_dma_for_*() arm: add arch_sync_dma_for_*() drm/msm: stop abusing DMA API drm/vgem: fix cache synchronization on arm/arm64 (take two) arch/arm/Kconfig | 2 + arch/arm/mm/dma-mapping-nommu.c | 14 +++ arch/arm/mm/dma-mapping.c | 28 ++++++ arch/arm64/mm/dma-mapping.c | 2 + arch/arm64/mm/flush.c | 2 + arch/mips/mm/dma-noncoherent.c | 2 + arch/powerpc/mm/dma-noncoherent.c | 2 + drivers/gpu/drm/drm_cache.c | 20 ++++- drivers/gpu/drm/msm/msm_gem.c | 37 +++----- drivers/gpu/drm/vgem/vgem_drv.c | 145 ++++++++++++++++++++---------- include/drm/drm_cache.h | 4 + 11 files changed, 182 insertions(+), 76 deletions(-) -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel