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* gpu: nvgpu: Add support for CDE scatter buffersJussi Rasanen2015-09-28
| | | | | | | | | | | | | | | | Add support for CDE scatter buffers. When the bus addresses for surfaces are not contiguous as seen by the GPU (e.g., when SMMU is bypassed), CDE swizzling needs additional per-page information. This information is populated in a scatter buffer when required. Bug 1604102 Change-Id: I3384e2cfb5d5f628ed0f21375bdac8e36b77ae4f Signed-off-by: Jussi Rasanen <jrasanen@nvidia.com> Reviewed-on: http://git-master/r/789436 Reviewed-on: http://git-master/r/791243 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: implement per-channel watchdogDeepak Nibade2015-09-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement per-channel watchdog/timer as per below rules : - start the timer while submitting first job on channel or if no timer is already running - cancel the timer when job completes - re-start the timer if there is any incomplete job left in the channel's queue - trigger appropriate recovery method as part of timeout handling mechanism Handle the timeout as per below : - get timed out channel, and job data - disable activity on all engines - check if fence is really pending - get information on failing engine - if no engine is failing, just abort the channel - if engine is failing, trigger the recovery Also, add flag "ch_wdt_enabled" to enable/disable channel watchdog mechanism. Watchdog can also be disabled using global flag "timeouts_enabled" Set the watchdog time to be 5s using macro NVGPU_CHANNEL_WATCHDOG_DEFAULT_TIMEOUT_MS Bug 200133289 Change-Id: I401cf14dd34a210bc429f31bd5216a361edf1237 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/797072 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: APIs to disable/enable all engines' activityDeepak Nibade2015-09-28
| | | | | | | | | | | | | | | Add below APIs to disable/re-enable activity on all engines gk20a_fifo_disable_all_engine_activity() gk20a_fifo_enable_all_engine_activity() Bug 200133289 Change-Id: Ie01a260d587807a3c1712ee32fe870fbcb08f9cd Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/798747 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* Revert "gpu: nvgpu: Add CDE bits in FECS header"Terje Bergstrom2015-09-24
| | | | | | | | This reverts commit 882975f7f1b4e050be79b0a047a2daa8b53a9187. Change-Id: I4940fc9f7a837840be1ea8e42d58d603235d88d5 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/804616
* gpu: nvgpu: Add CDE bits in FECS headersujeet baranwal2015-09-24
| | | | | | | | | | | | | | In case of CDE channel, T1 (Tex) unit needs to be promoted to 128B aligned, otherwise causes a HW deadlock. Gpu driver makes changes in FECS header which FECS uses to configure the T1 promotions to aligned 128B accesses. Bug 200096226 Change-Id: Ic006b2c7035bbeabe1081aeed968a6c6d11f9995 Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com> Reviewed-on: http://git-master/r/802327 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: gk20a: update slcg prod valuesSeshendra Gadagottu2015-09-21
| | | | | | | | | | | | | Disable timestamp slcg Bug 1670996 Change-Id: I1d6d6348c4c136070846c9c93f75006a42a17895 Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: http://git-master/r/800791 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: enable powergate always while releasing debug sessionDeepak Nibade2015-09-16
| | | | | | | | | | | | | | | | | | | | | | | | | Currently, while releasing the debug session we enable powergate only if a channel is bound to session If a session has no channel bound to it, and has powergate disabled, then we do not enable powergate when that session is closed Fix this by calling dbg_set_powergate(POWERGATE_ENABLE) always while releasing the session Refcounting and sanity checks in dbg_set_powergate() will take care of situation if powergate was not disabled by the session in first place Bug 1679372 Change-Id: I4e027393c611d3e8ab4f20e195f31871086da736 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/796999 Tested-by: Sandarbh Jain <sanjain@nvidia.com> Reviewed-by: Sandarbh Jain <sanjain@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: fix runlist update timeout handlingVijayakumar2015-09-16
| | | | | | | | | | | | | | bug 1625901 1) disable ELPG before doing GR reset when runlist update times out 2) add mutex for GR reset to avoid multiple threads resetting GR 3) protect GR reset with FECS mutex so that no one else submits methods Change-Id: I02993fd1eabe6875ab1c58a40a06e6c79fcdeeae Signed-off-by: Vijayakumar <vsubbu@nvidia.com> Reviewed-on: http://git-master/r/793643 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: HAL to write DMATRFBASEMahantesh Kumbar2015-09-15
| | | | | | | | | | Bug 200137618 Change-Id: I18b980876e93c3f7287082701e1d2b998cd33114 Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com> Reviewed-on: http://git-master/r/798777 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: gpccs load using priv loadMahantesh Kumbar2015-09-15
| | | | | | | | | | | - load gppcs with force priv load method. Bug n/a Change-Id: I3566375f51da701c90e0f5f873c71953f0113443 Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com> Reviewed-on: http://git-master/r/798144 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: add missing slcg_ltc_load_gating_prodDeepak Nibade2015-09-11
| | | | | | | | | | | | | | | | | Add missing slcg_ltc_load_gating_prod() call in dbg_set_powergate(POWERGATE_ENABLE) path Also, re-order POWERGATE_ENABLE operations in opposite order of POWERGATE_DISABLE Bug 1679372 Change-Id: Ib72a0b80929e2dee2cf88a6d3d0f96d61c02307b Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/796459 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Sandarbh Jain <sanjain@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: disable channel before adjusting syncpointsDeepak Nibade2015-09-11
| | | | | | | | | | | | | | | | | As per current sequence in gk20a_channel_abort(), we first balance the syncpoint values associated with failing channel, and then abort it Reverse this sequence so that we first disable the channel and then only balance the syncpoints Bug 200133289 Change-Id: I5a748afce437e728a5ff6c8a030a75d0f627c622 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/797071 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: separate API to get failing engine dataDeepak Nibade2015-09-11
| | | | | | | | | | | | | | | | | In gk20a_fifo_handle_sched_error(), we currently have a sequence to identify failing engine (stuck on context switch) and corresponding failing channel with its type Separate out this sequence in new API gk20a_fifo_get_failing_engine_data() so that it can be reused from else where too Bug 200133289 Change-Id: I3cef395170cf8990c014c7505c798fd6f2e37921 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/797070 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Do not reset priv ringTerje Bergstrom2015-09-07
| | | | | | | | | Priv ring does not need to be reset from PMC at GPU boot. Change-Id: I166472a97246b40b69bce61ffca62bde85e4e0e7 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/794406 Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
* gpu: nvgpu: Separate kernel and user GPU VA regionsSami Kiminki2015-09-07
| | | | | | | | | | | | | | | | | Separate the kernel and userspace regions in the GPU virtual address space. Do this by reserving the last part of the GPU VA aperture for the kernel, and extend GPU VA aperture accordingly for regular address spaces. This prevents the kernel polluting the userspace-visible GPU VA regions, and thus, makes the success of fixed-address mapping more predictable. Bug 200077571 Change-Id: I63f0e73d4c815a4a9fa4a9ce568709974690ef0f Signed-off-by: Sami Kiminki <skiminki@nvidia.com> Reviewed-on: http://git-master/r/747191 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* Revert "gpu: nvgpu: fix alignment calculation"Sri Krishna Chowdary2015-09-07
| | | | | | | | | | | This reverts commit b12efd059070b942a33e23d06e9050145a0694ef. Bug 1492689 Change-Id: Iae07341f246010ca0b69eddbbb9cd434b8b5f05a Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com> Reviewed-on: http://git-master/r/795112 Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* gpu: nvgpu: fix alignment calculationSri Krishna chowdary2015-09-07
| | | | | | | | | | | | | | | | | consider buffer size as well when calculating the required alignment for a buffer else we would be mapping a VA range greater than requested thus allowing access to entire large page even when not needed creating a security hole. Bug 1492689 Change-Id: Ic404708d238621ea64c26cafd05bc30ba8e02e12 Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com> Reviewed-on: http://git-master/r/793229 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Alex Waterman <alexw@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* gpu: nvgpu: cyclestats snapshot permissions reworkLeonid Moiseichuk2015-09-04
| | | | | | | | | | | | | | | | | Cyclestats snapshot feature is expected for new devices. The detection code was isolated in separate function and run-time check added to validate/allow ioctl calls on the current GPU. Bug 1674079 Change-Id: Icc2f1e5cc50d39b395d31d5292c314f99d67f3eb Signed-off-by: Leonid Moiseichuk <lmoiseichuk@nvidia.com> Reviewed-on: http://git-master/r/781697 (cherry picked from commit bdd23136b182c933841f91dd2829061e278a46d4) Reviewed-on: http://git-master/r/793630 Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: gm20b: update slcg prod valuesVijayakumar2015-09-01
| | | | | | | | | | | | bug 1670543 disable timestamp slcg Change-Id: I65548a55fcd65449dda8efb2bfa3d6c557eb2f14 Signed-off-by: Vijayakumar <vsubbu@nvidia.com> Reviewed-on: http://git-master/r/787140 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: dump PGRAPH_PRI on errorSam Payne2015-08-31
| | | | | | | | | | | | | dumps NV_PGRAPH_PRI_GPC0_GPCCS_FS_GPC whenever pbus sends the 0xbadf13 error bug 1662268 Change-Id: I302ffe5c86098e7235ecc8c071a5e2c852455565 Signed-off-by: Sam Payne <spayne@nvidia.com> Reviewed-on: http://git-master/r/789090 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Inject function addressesYogesh2015-08-21
| | | | | | | | | | | | | Inject function addresses of gk20a_do_idle and gk20a_do_unidle once the nvgpu module loads. Bug 1476801 Change-Id: I67a8ae7fb654524616c2c2c710013cbc097a3f32 Signed-off-by: Yogesh Bhosale <ybhosale@nvidia.com> Reviewed-on: http://git-master/r/785047 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Fix NS boot transcfgSupriya2015-08-21
| | | | | | | | | | | | | Bug 1667322 Accommodate for transcfg address change Change-Id: I7054202b8ce3be1a3fbfe0465e662be6f9740eb3 Signed-off-by: Supriya <ssharatkumar@nvidia.com> Reviewed-on: http://git-master/r/780326 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Inject function address from nvgpuYogesh2015-08-19
| | | | | | | | | | | | | | | This patch inserts the function address of gk20a_debug_dump_device into host data struct once the nvgpu module loads and removes it during unload. Bug 1476801 Change-Id: If49262208325b2aa0807705c26086e6d7c81632c Signed-off-by: Yogesh Bhosale <ybhosale@nvidia.com> Reviewed-on: http://git-master/r/779397 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User
* gpu: nvgpu: Prepare for per-GPU CDE program numbersSami Kiminki2015-08-19
| | | | | | | | | | | | | | | Add gpu_ops for CDE, and add get_program_numbers function pointer for determining horizontal and vertical CDE swizzler programs. This allows different GPUs to have their own specific requirements for choosing the CDE firmware programs. Bug 1604102 Change-Id: Ib37c13abb017c8eb1c32adc8cbc6b5984488222e Signed-off-by: Sami Kiminki <skiminki@nvidia.com> Reviewed-on: http://git-master/r/784899 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: vgpu: add t210 gm20b supportRichard Zhao2015-08-19
| | | | | | | | | | | | | | - add hal initializaiton - create folders vgpu/gk20a and vgpu/gm20b for specific code Bug 1653185 Change-Id: If94d45e22a1d73d2e4916673736cc29751be4e40 Signed-off-by: Richard Zhao <rizhao@nvidia.com> Reviewed-on: http://git-master/r/774148 GVS: Gerrit_Virtual_Submit Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com> Reviewed-by: Ken Adams <kadams@nvidia.com>
* gpu: nvgpu: wakeup semaphores after clearing CE2 interruptDeepak Nibade2015-08-18
| | | | | | | | | | | | | | | | | | | | | | | In gk20a_ce2_nonstall_isr(), we first invoke semaphore workqueue on all channels and then clear the interrupt This delay in clearing the interrupt can sometimes lead to dropping of new interrupt If that happens, we never invoke gk20a_channel_semaphore_wakeup() for new semaphore interrupts and semaphore waiting never completes. Fix this by moving gk20a_channel_semaphore_wakeup() after we clear the interrupt Bug 200131938 Change-Id: I26d72f04a8b49f4a3ac326bf6037cd04c741a920 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/784771 Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: wakeup semaphores after clearing the interruptsujeet baranwal2015-08-15
| | | | | | | | | | | | | | | | | | | | | | | | | Currently, we first invoke semaphore workqueue on all channels and then clear the interrupt This delay in clearing the interrupt can sometimes lead to dropping of new interrupt If that happens, we never invoke gk20a_channel_semaphore_wakeup() for new semaphore interrupts and semaphore waiting never completes. Fix this by moving gk20a_channel_semaphore_wakeup() after we clear the interrupt Bug 200083084 Bug 200117718 Change-Id: I7278cb378728e3799961411c4ed71d266d178a32 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com> Reviewed-on: http://git-master/r/783175 Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
* gpu: nvgpu: T186 perfmon ID updateMahantesh Kumbar2015-08-13
| | | | | | | | Change-Id: Iec6aac4027c8079d10e6d09bb145fa7a37d1679b Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com> Reviewed-on: http://git-master/r/779696 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: Check for valid memory pointersYogesh2015-08-12
| | | | | | | | | | | | | | | | | | | | | 1. Before destroying the allocator for PMU dmem check if it was already initialized. It is only initialized through certain paths like PMU ISRs. So while testing the nvgpu module using nvgpu_submit_twod test I found that it was never initialized. 2. Inside gk20a_init_gr_setup_sw, cleanup part calls for de-allocating the already allocated chunk of memory. Whereas, cleanup also gets called when memory allocation inside the same function fails. In such cases, we should have a non-null check else we attempt to free a non-allocated memory and kernel panics. Bug 1476801 Change-Id: Ia2f0599ac0c35d58709acd149033e114b898b426 Signed-off-by: Yogesh Bhosale <ybhosale@nvidia.com> Reviewed-on: http://git-master/r/777118 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: fix memory corruptRichard Zhao2015-08-11
| | | | | | | | | | | | | | | | replace sprinf with snprintf in func gk20a_channel_syncpt_create. sync point name can be long. Bug 1638853 Change-Id: Ie305d04edfbb299c8b1241eca52101439bb4a6c6 Signed-off-by: Richard Zhao <rizhao@nvidia.com> Reviewed-on: http://git-master/r/769113 Reviewed-on: http://git-master/r/776424 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
* gpu: nvgpu: T186 GR FW version updateMahantesh Kumbar2015-08-10
| | | | | | | | | | | - pmu version update to sync with CL-19816709 - GPCCS version update to sync with CL-19816709 Change-Id: Ia60bb538ddba35c973183ca2d4d3a7a0013b4b59 Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com> Reviewed-on: http://git-master/r/779628 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: remove gk20a_busy() from channel_syncpt_incr()Deepak Nibade2015-08-07
| | | | | | | | | | | | | | | | | | | | gk20a_busy() is already called on all the paths to __gk20a_channel_syncpt_incr() i.e. in gk20a_submit_channel_gpfifo() hence remove the redundant gk20a_busy() call since it causes deadlock scenario with VPR resize use case Bug 200128257 Bug 1645760 Bug 200114947 Bug 200124519 Change-Id: I4cd47b7e7cdc92aaeda17256a99f2ba93833a3b3 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/778341 (cherry picked from commit 5a5dc5b5a9d38a5e8d5c1ca29dc6de425c00b605) Reviewed-on: http://git-master/r/779070 Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* gpu: nvgpu: remove gk20a_busy() from channel_syncpt_update()Deepak Nibade2015-08-07
| | | | | | | | | | | | | | | | | | | | | | | | | gk20a_busy() was added to gk20a_channel_syncpt_update() for possible case of channel deletion But API to delete a channel (i.e. gk20a_free_channel()) is already called in paths which ensure gk20a_busy() is called before deleting the channel Hence, remove redundant gk20a_busy()/idle() calls This also fixes a deadlock scenario with VPR resize use case Bug 200128257 Bug 1645760 Bug 200114947 Bug 200124519 Change-Id: I05dc739b3be88af2ba22b0a667e5004d8100bf6f Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/778340 (cherry picked from commit 306282aa950201cf1ae91a5cc48d75719b179d19) Reviewed-on: http://git-master/r/779069 Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* gpu: nvgpu: remove Tegra power calls from generic platformDeepak Nibade2015-08-06
| | | | | | | | | | | Remove Tegra specific powergate and power-domain calls from generic platform file Change-Id: I86e263193e01150cbcf7ae50fd0c86f0b8b59b14 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/778682 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* Merge branch 'power-domain-t186' into 'kernel-3.18'Sumit Singh2015-08-04
|\ | | | | | | | | | | | | | | | | | | | | | | Add device-tree support for tegra power-domains and power-gating for t186, then perform the related cleanup. Also enable TEGRA_MC_DOMIANS, PM_GENERIC_DOMAINS_OF and TEGRA_POWERGATE for t186. Bug 200105664 Change-Id: I548c6b71a1577afa439a39a0eafc317a1c3cbc68 Signed-off-by: Sumit Singh <sumsingh@nvidia.com>
| * gpu: nvgpu: clean-up the codeSumit Singh2015-07-21
| | | | | | | | | | | | | | | | | | | | As CONFIG_PM_GENERIC_DOMAINS_OF is enabled, so cleaning-up the code which remains unused when this config is enabled. Bug 200070810 Change-Id: I884ca3d6fb8fa6acdff8c1b2fbe66a672758274a Signed-off-by: Sumit Singh <sumsingh@nvidia.com>
| * gpu: nvgpu: Add DT support for gpu power-domainSumit Singh2015-07-21
| | | | | | | | | | | | | | | | | | | | Make modification to add DT support for gpu power-domain for T186 chip. Bug 200105664 Change-Id: Ief8d0a6c84918578c52d153db7eac02587b67ee7 Signed-off-by: Sumit Singh <sumsingh@nvidia.com>
* | gpu: nvgpu: sysfs to check if GPU is railgatedDeepak Nibade2015-07-24
| | | | | | | | | | | | | | | | | | | | | | | | | | Add below sysfs to check if GPU is railgated or not : /sys/devices/platform/gpu.0/is_railgated Bug 200124736 Change-Id: Iafac48bbe82fcd422eeb2b948490e8dc8ad3801a Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/773457 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* | gpu: nvgpu: prepare_poweroff() in shutdown()Deepak Nibade2015-07-22
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | gk20a_pm_shutdown() is the last callback before GPU railgate will be forced by platform code Hence we need to call prepare_poweroff() before returning from shutdown() to clean up below things mainly, 1. disable interrupts to ensure that GPU is not processing any interrupts while railgating 2. disable clocks (and related flags) to ensure no h/w access from exported clock ops Note that GPU railgate will be triggered by platform code since config CONFIG_PM_GENERIC_DOMAINS_OF is enabled by default Bug 200123584 Change-Id: Ifaa0d1ba9b01d49bf5cc85d9c9a9feb3815866d8 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/770485 Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* gpu: nvgpu: Increase VA space to 40 bitsAlex Waterman2015-07-20
| | | | | | | | | | | | | | | Now that the buddy allocator is merged we can increase the VA space without dramatically increasing memory usage by the allocator. 40 bits is the max VA space available on gk20a and gm20b. Change-Id: I7bc8d86e35b28f041e9a435f2571c8288970c8ee Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/745076 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/771152 Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
* gpu: nvgpu: Fix address space limit computationAlex Waterman2015-07-20
| | | | | | | | | | | | | | | | | | | | | | The address space limit was being computed with the assumption that the va_limit field is inclusive. The va_limit field is actually not inclusive. It points to the first invalid byte. Thus when generating the adr_limit register the code incorrectly calculated that the address limit should be 0. To fix this the computation now just uses va_limit - 1. Also, the bitwise OR of 0xfff into the lower limit word was incorrect. The bottom 12 bits of the lower 32 bit word are ignored by the GPU and as such should not be populated. Change-Id: Ifcc13343aaf50776f3cf1a1e3726e73ffde5003f Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/756690 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/771151 Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
* gpu: nvgpu: Fix overflow of alloc lengthAlex Waterman2015-07-20
| | | | | | | | | | | | | | | Fix an issue where large ( > 4GB) allocations were not being computed correctly. The two fields, pages and page_size, were both 32 bits so when multiplied they easily overflowed. Simple fix is to cast them to 64 bits before multiplying them. Change-Id: I63fa54679e485de5c3a99684cbeb72c6cdc65504 Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/747429 Reviewed-by: Sami Kiminki <skiminki@nvidia.com> Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/771148 Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
* gpu: nvgpu: Use correct tpc_per_gpc for GM20bSandarbh Jain2015-07-17
| | | | | | | | | | | | | | While evaluating the broadcast register, use the correct max_tpc_per_gpc for gm20b. Bug 200118793 Change-Id: Icdc506c05895e5ecdd424dfa2729d0d53460ff15 Reviewed-on: http://git-master/r/765147 (cherry picked from commit be5add9a2f13f787ea408d2a28b0b82c776227d4) Signed-off-by: Sandarbh Jain <sanjain@nvidia.com> Reviewed-on: http://git-master/r/771254 Reviewed-by: Ken Adams <kadams@nvidia.com> Tested-by: Ken Adams <kadams@nvidia.com>
* gpu: nvgpu: improve sched err handlingVijayakumar2015-07-17
| | | | | | | | | | | | | | | | | bug 200114561 1) when handling sched error, if CTXSW status reads switch check FECS mailbox register to know whether next or current channel caused error 2) Update recovery function to use ch id passed to it 3) Recovery function now passes mmu_engine_id to mmu fault handler instead of fifo_engine_id Change-Id: I3576cc4a90408b2f76b2c42cce19c27344531b1c Signed-off-by: Vijayakumar <vsubbu@nvidia.com> Reviewed-on: http://git-master/r/763538 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* gpu: nvgpu: check that GPU is powered before flushSam Payne2015-07-16
| | | | | | | | | | | | | | | | | | if GPU is not powered before L2 is flushed, then L2 cache flush is a noop. Same behavior as gk20a_mm_L2_Invalidate() bug 1661228 Change-Id: I0f590628928a73b7277d1b16a5a79a86e0213648 Signed-off-by: Sam Payne <spayne@nvidia.com> Reviewed-on: http://git-master/r/768068 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com> (cherry picked from commit cb4d29d34d0736aa753afa323bfb216481cc8640) Reviewed-on: http://git-master/r/771113 GVS: Gerrit_Virtual_Submit
* gpu: nvgpu: fix channel close sequenceDeepak Nibade2015-07-16
| | | | | | | | | | | | | | | | | | | | | | | | | | In gk20a_cde_remove_ctx(), current sequence is as below - gk20a_channel_close() - gk20a_deinit_cde_img() - gk20a_free_obj_ctx() But gk20a_free_obj_ctx() needs reference to channel and hence below crash is seen : [ 3901.466223] Unable to handle kernel paging request at virtual address 00001624 ... [ 3901.535218] PC is at gk20a_free_obj_ctx+0x14/0xb0 [ 3901.539910] LR is at gk20a_deinit_cde_img+0xd8/0x12c Fix this by closing the channel after gk20a_deinit_cde_img() Bug 1625901 Change-Id: Ic2dc5af933b6d6ef8982c2b9f0caa28df204051f Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: http://git-master/r/770322 GVS: Gerrit_Virtual_Submit Reviewed-by: Sachin Nikam <snikam@nvidia.com>
* nvgpu: gk20a: include proper header fileAmit Sharma (SW-TEGRA)2015-07-16
| | | | | | | | | | | | | | | Fixed the following sparse warning by including the "fb_gk20a.h" header file: - fb_gk20a.c: warning: symbol 'fb_gk20a_reset' was not declared. Should it be static? Bug 200088648 Change-Id: I1ba6051455a22e81da6598eebdccfa8b45b78c3e Signed-off-by: Amit Sharma (SW-TEGRA) <amisharma@nvidia.com> Reviewed-on: http://git-master/r/768203 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-on: http://git-master/r/770654
* gpu: nvgpu: cyclestats snapshots are only for t210Leonid Moiseichuk2015-07-10
| | | | | | | | | | | | | | | | | | | | The cyclestats mode-e feature supported by userspace only for t210 devices, so kernel should advertize it only for t210. Also small check added to prevent BUG in dma-buf.c:826 if device has lack of memory. Bug 1662506 Change-Id: I8417a8cdd9092e64126382f379d171932e4592a1 Signed-off-by: Leonid Moiseichuk <lmoiseichuk@nvidia.com> Reviewed-on: http://git-master/r/767073 (cherry picked from commit 06f86b6e78bae5e26e32466716c18e7918efb1b1) Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> Reviewed-on: http://git-master/r/767148 Reviewed-by: Automatic_Commit_Validation_User
* nvgpu: gm20b: make local function 'static'Amit Sharma (SW-TEGRA)2015-07-10
| | | | | | | | | | | | | | | Fixed the following sparse warning by making the local function 'static': - warning: symbol 'gm20b_load_falcon_ucode' was not declared. Should it be static? Bug 200067946 Change-Id: I11beaa301dc45dfec6f2295a6a96c1571e0264c9 Signed-off-by: Amit Sharma (SW-TEGRA) <amisharma@nvidia.com> Reviewed-on: http://git-master/r/766361 Reviewed-by: Sachin Nikam <snikam@nvidia.com> Reviewed-on: http://git-master/r/767991 Reviewed-by: Automatic_Commit_Validation_User
* gpu: nvgpu: Implement own rail gating codeTerje Bergstrom2015-07-07
| | | | | | | | | | | Move rail gating sequence to happen in nvgpu driver instead of piggybacking on Tegra power gating APIs. Bug 200115454 Change-Id: I8514686c7b137f200021b05ead7157d0883bddc5 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/761991
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-05 10:55:22 -0500