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2016-08-04dma-mapping: use unsigned long for dma_attrsKrzysztof Kozlowski1-7/+6
The dma-mapping core and the implementations do not change the DMA attributes passed by pointer. Thus the pointer can point to const data. However the attributes do not have to be a bitfield. Instead unsigned long will do fine: 1. This is just simpler. Both in terms of reading the code and setting attributes. Instead of initializing local attributes on the stack and passing pointer to it to dma_set_attr(), just set the bits. 2. It brings safeness and checking for const correctness because the attributes are passed by value. Semantic patches for this change (at least most of them): virtual patch virtual context @r@ identifier f, attrs; @@ f(..., - struct dma_attrs *attrs + unsigned long attrs , ...) { ... } @@ identifier r.f; @@ f(..., - NULL + 0 ) and // Options: --all-includes virtual patch virtual context @r@ identifier f, attrs; type t; @@ t f(..., struct dma_attrs *attrs); @@ identifier r.f; @@ f(..., - NULL + 0 ) Link: http://lkml.kernel.org/r/1468399300-5399-2-git-send-email-k.kozlowski@samsung.com Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Vineet Gupta <vgupta@synopsys.com> Acked-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> Acked-by: Mark Salter <msalter@redhat.com> [c6x] Acked-by: Jesper Nilsson <jesper.nilsson@axis.com> [cris] Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> [drm] Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> Acked-by: Joerg Roedel <jroedel@suse.de> [iommu] Acked-by: Fabien Dessenne <fabien.dessenne@st.com> [bdisp] Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com> [vb2-core] Acked-by: David Vrabel <david.vrabel@citrix.com> [xen] Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> [xen swiotlb] Acked-by: Joerg Roedel <jroedel@suse.de> [iommu] Acked-by: Richard Kuo <rkuo@codeaurora.org> [hexagon] Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> [s390] Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> [avr32] Acked-by: Vineet Gupta <vgupta@synopsys.com> [arc] Acked-by: Robin Murphy <robin.murphy@arm.com> [arm64 and dma-iommu] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-08-02Merge branch 'linux-4.8' of git://github.com/skeggsb/linux into drm-nextDave Airlie2-4/+4
Runtime PM fixes, fbcon and nv30 fix. * 'linux-4.8' of git://github.com/skeggsb/linux: drm/nouveau/gr/nv3x: fix instobj write offsets in gr setup drm/nouveau/acpi: fix lockup with PCIe runtime PM drm/nouveau/acpi: check for function 0x1B before using it drm/nouveau/acpi: return supported DSM functions drm/nouveau/acpi: ensure matching ACPI handle and supported functions drm/nouveau/fbcon: fix font width not divisible by 8
2016-07-30drm/nouveau/gr/nv3x: fix instobj write offsets in gr setupIlia Mirkin2-4/+4
This should fix some unaligned access warnings. This is also likely to fix non-descript issues on nv30/nv34 as a result of incorrect channel setup. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96836 Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Cc: stable@vger.kernel.org Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-26Backmerge tag 'v4.7' into drm-nextDave Airlie1-1/+2
Linux 4.7 As requested by Daniel Vetter as the conflicts were getting messy.
2016-07-14drm/nouveau/bus: remove cpu_coherent flagAlexandre Courbot2-2/+0
This flag's only remaining function is to ignore the uncached flag for BOs on coherent architectures. However the reason for allocating an object uncache on a non-coherent architecture (namely because the cost of doing explicit flushes/ invalidations is higher than the benefit of caching the data because accesses are few and far between) should also apply on architectures for which coherency is maintained implicitly. Thus allocate coherent objects as uncached on all architectures. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/ce/gp104: initial supportBen Skeggs4-0/+50
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/fifo/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/disp/gp104: initial supportBen Skeggs21-5/+389
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/dma/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/ltc/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/ibus/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/i2c/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/gpio/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/fuse/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bus/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bar/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/mmu/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/fb/gp104: initial supportBen Skeggs5-1/+48
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/imem/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/devinit/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bios/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/tmr/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/pci/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/mc/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/top/gp104: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/core: recognise GP104 chipsetBen Skeggs1-0/+6
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/sw/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/gr/gp100: initial supportBen Skeggs7-1/+358
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/ce/gp100: initial supportBen Skeggs3-0/+109
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/fifo/gp100: initial supportBen Skeggs5-0/+105
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/disp/gp100: initial supportBen Skeggs7-0/+157
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/dma/gp100: initial implementationBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/secboot/gm200: initial supportBen Skeggs2-0/+17
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/ltc/gp100: initial supportBen Skeggs5-1/+79
Due to the GPU preventing us from touching NV_PLTCG_LTCS_LTSS_CBC_BASE, we cannot provide CBC/ZBC support without signed PMU firmware to handle the task for us... Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/ibus/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/i2c/gm204: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/gpio/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/fuse/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bus/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bar/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/mmu/gp100: initial supportBen Skeggs1-0/+1
GP100 still supports the previous generations' page table layout, which we will temporarily make use of here. Proper support for the new MMU layout requires some rework to the common MMU code, which is in progress. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/fb/gp100: initial supportBen Skeggs8-1/+225
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/imem/gp100: initial implementationBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/devinit/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bios/rammap: 32-bit bios pointersBen Skeggs1-3/+3
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bios/pll: initial support for BIT 'C' version 2Ben Skeggs1-9/+11
Just enough to get at the PLL table. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bios/dp: initial support for 4.2Ben Skeggs1-0/+8
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/bios/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/tmr/gp100: initial supportBen Skeggs1-0/+1
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-07-14drm/nouveau/pci/gp100: initial supportBen Skeggs3-0/+46
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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