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* host1x virtualization: basic supportPeter Daifuku2015-04-04
| | | | | | | | | | | | | - Adds a new host1x pushbuffer queue - Includes support for virtualized VIC Bug 1509609 Change-Id: Ie9b604dc8d8e43166dedb13953c4edac813da18b Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com> Reviewed-on: http://git-master/r/655506 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
* gpu: nvgpu: ioctl for flushing GPU L2sujeet baranwal2015-04-04
| | | | | | | | | | | | | | CUDA devtools need to be able to flush the GPU's cache in a sideband fashion and so cannot use methods. This change implements an nvgpu_gpu_ioctl to flush and optionally invalidate the GPU's L2 cache and flush fb. Change-Id: Ib06a0bc8d8880ffbfe4b056518cc3c3df0cc4988 Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com> Signed-off-by: Mayank Kaushik <mkaushik@nvidia.com> Reviewed-on: http://git-master/r/671809 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: add hw perfmon buffer mapping ioctlsKonsta Holtta2015-04-04
| | | | | | | | | | | | | | Map/unmap buffers for HWPM and deal with its instance block, the minimum work required to run the HWPM via regops from userspace. Bug 1517458 Bug 1573150 Change-Id: If14086a88b54bf434843d7c2fee8a9113023a3b0 Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: http://git-master/r/673689 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: add open channel ioctl to ctrl nodeKonsta Holtta2015-04-04
| | | | | | | | | | | | | | | Add the ioctl to open a new gpu channel to also the control node for improved process startup performance, in addition to the current open ioctl in the channel node. The new channel fd creation is refactored to a separate function which is called from both ctrl and channel ioctls. Bug 1604952 Change-Id: I3357ceec694c0e6d7a85807183884324cb725d3a Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: http://git-master/r/679516 Reviewed-by: Sami Kiminki <skiminki@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Use busy looping on memory opsTerje Bergstrom2015-04-04
| | | | | | | | | | | | Use busy looping on L2 and TLB maintenance operations. This speeds them up by an order of magnitude. Add also trace points to measure performance for memory ops and interrupt processing. Change-Id: Ic4a8525d3d946b2b8f57b4b8ddcfc61605619399 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/681640
* gpu: nvgpu: vgpu: handle fifo and gr exceptionsAingara Paramakuru2015-04-04
| | | | | | | | | | | | Handle the gr and fifo exceptions delivered from the server and update the channel state as needed. Bug 1551865 Change-Id: Ie19626c6e8a72f92ffd134983fe6d84e5c6c8736 Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com> Reviewed-on: http://git-master/r/670329 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: gk20a: Add a gpfifo wait trace pointJanne Hellsten2015-04-04
| | | | | | | | | | | | | | | Add a couple of trace points for tracking when we need to wait for space in the gpfifo ring buffer. This wait can introduce significant latencies to rendering with large gpfifo entry inputs so it's good to be able to measure how often this path is taken. Bug 1592391 Bug 1550886 Change-Id: I7f362e9c307eeffeeecaaba268ef2e3613e54597 Signed-off-by: Janne Hellsten <jhellsten@nvidia.com> Reviewed-on: http://git-master/r/674021 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: gk20a: Set lockboost size for computeTerje Bergstrom2015-04-04
| | | | | | | | | | | For compute channel on gk20a, set lockboost size to zero. Bug 1573856 Change-Id: I369cebf72241e4017e7d380c82caff6014e42984 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/594843 GVS: Gerrit_Virtual_Submit
* gpu: nvgpu: cde: add trace events for ctx allocsKonsta Holtta2015-03-18
| | | | | | | | | | | | Trace cde context allocation and deallocation with ftrace. Bug 200052943 Change-Id: Ieeb625166662971fb3eb3fb29c986fdb6809c10b Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: http://git-master/r/602886 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: add trace event for channel updateKonsta Holtta2015-03-18
| | | | | | | | | | Bug 200052943 Change-Id: Ied6454bbfb5df9ab29497ecbf2aac495f6d89362 Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: http://git-master/r/602887 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: vgpu: fix crash during initAingara Paramakuru2015-03-18
| | | | | | | | | | | | | | | gops->gr.detect_sm_arch was not populated for vgpu. Also, populate some members of the PMU VM struct as they are used to report GPU characteristics to userspace. Bug 1576949 Change-Id: I9ddc361d1418b942da97a82b553aac81f5f51182 Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com> Reviewed-on: http://git-master/r/601931 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Arto Merilainen <amerilainen@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Implement NVGPU_AS_IOCTL_GET_VA_REGIONSSami Kiminki2015-03-18
| | | | | | | | | | | | | Implement NVGPU_AS_IOCTL_GET_VA_REGIONS which returns a list of GPU VA regions for different page sizes. This is required for the userspace for safe fixed-address address space allocation. Bug 1551752 Change-Id: I63ddde30935db2471bec498dae0caa870e89c1a5 Signed-off-by: Sami Kiminki <skiminki@nvidia.com> Reviewed-on: http://git-master/r/590814 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: GPU characteristics additionsSami Kiminki2015-03-18
| | | | | | | | | | | | | | | | | Add the following info into GPU characteristics: available big page sizes, support indicators for sync fence fds and cycle stats, gpc mask, SM version, SM SPA version and warp count, and IOCTL interface levels. Also, add new IOCTL to fetch TPC masks. Bug 1551769 Bug 1558186 Change-Id: I8a47d882645f29c7bf0c8f74334ebf47240e41de Signed-off-by: Sami Kiminki <skiminki@nvidia.com> Reviewed-on: http://git-master/r/562904 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Add class numbers to characteristicsTerje Bergstrom2015-03-18
| | | | | | | | | | | Some kernel APIs rely on user space knowing class numbers. Allow querying the numbers from kernel. Bug 1567274 Change-Id: Idec2fe8ee983ee74bcbf9dfc98f71bbcc1492cfb Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/594402
* gpu: kernel support for suspending/resuming SMssujeet baranwal2015-03-18
| | | | | | | | | | | | | | | Kernel support for allowing a GPU debugger to suspend and resume SMs. Invocation of "suspend" on a given channel will suspend all SMs if the channel is resident, else remove the channel form the runlist. Similarly, "resume" will either resume all SMs if the channel was resident, or re-enable the channel in the runlist. Change-Id: I3b4ae21dc1b91c1059c828ec6db8125f8a0ce194 Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com> Signed-off-by: Mayank Kaushik <mkaushik@nvidia.com> Reviewed-on: http://git-master/r/552115 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: T18x supportKenneth Adams2015-03-18
| | | | | | | | | | nvgpu framework and build for T18x Bug 1567274 Change-Id: I77835302a1110573008869d1106eface512bb9b1 Signed-off-by: Ken Adams <kadams@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Add ioctl to create new TSGTerje Bergstrom2015-03-18
| | | | | | | | | Add ioctl to nvhost-ctrl to create a new TSG. Bug 200042993 Change-Id: Icdd0edb1d9e374740ace6da9eb3a10c57c62617a Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Implement 64k large page supportTerje Bergstrom2015-03-18
| | | | | | | | | | | | | | | Implement support for 64kB large page size. Add an API to create an address space via IOCTL so that we can accept flags, and assign one flag for enabling 64kB large page size. Also adds APIs to set per-context large page size. This is possible only on Maxwell, so return error if caller tries to set large page size on Kepler. Default large page size is still 128kB. Change-Id: I20b51c8f6d4a984acae8411ace3de9000c78e82f Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
* include: uapi: fix nvgpu.h comments and bitsKonsta Holtta2015-03-18
| | | | | | | | | | | | | Correct some old comments and remove uses of the BIT macro to make it easier to sync this file to userspace. Change-Id: Ie897fc73e28b8194e0c5357eef7ae233395e9ba3 Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: http://git-master/r/552916 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Lauri Peltonen <lpeltonen@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: create new nvgpu ioctl headerKonsta Holtta2015-03-18
| | | | | | | | | | | | | | | Move nvgpu ioctls from the many user space interface headers to a new single nvgpu.h header under include/uapi. No new code or replaced names are introduced; this change only moves the definitions and changes include directives accordingly. Bug 1434573 Change-Id: I4d02415148e437a4e3edad221e08785fac377e91 Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: http://git-master/r/542651 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* video: tegra: virt: add virtualization interfacesAingara Paramakuru2015-03-18
| | | | | | | | | | | | | | | Tegra graphics virtualization (host1x syncpoint and gpu) is now exposed to client drivers (nvhost and nvgpu). These interfaces rely on a communication framework to communicate with the server driver that actually implements the back-end routines. Bug 1509608 Change-Id: I5277f4b024953772a2215d33afa178162f5f9232 Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com> Reviewed-on: http://git-master/r/440120 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Add rail gating trace eventsTerje Bergstrom2015-03-18
| | | | | | | Change-Id: I661f14b2858fb7bc993157a597d4a278859da837 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/418789 Reviewed-by: Automatic_Commit_Validation_User
* video: tegra: host: Abstract gk20a channel synchronizationLauri Peltonen2015-03-18
| | | | | | | | | | | | | | | | Move all channel synchronization code to new channel_sync_gk20a.c/h files, and access all synchronization functions through function pointers. This is groundwork for supporting semaphore based channel synchronization. Bug 1434573 Bug 1450122 Change-Id: Ic21709c1ee8cf85d018616787988e7eebb399fbe Signed-off-by: Lauri Peltonen <lpeltonen@nvidia.com> Reviewed-on: http://git-master/r/374841 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* video: tegra: host: gk20a: Add own trace eventsArto Merilainen2015-03-18
This patch modifies gk20a driver to use its own trace events instead of trace events of nvhost. Bug 1468086 Change-Id: I1f40ba957ec7e25904e9f4621346cb7dc256a550 Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Reviewed-on: http://git-master/r/374289 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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