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path: root/drivers/gpu/nvgpu/gk20a/priv_ring_gk20a.c
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* gpu: nvgpu: Fix priv ring error detectionTerje Bergstrom2017-01-31
| | | | | | | | | | | | | | | | | | | | | Use hardware headers instead of hardcoded register numbers in priv ring. This required updating the priv ring headers to add all the registers and fields needed. Incidentally this also gets rid of a lot of GPC priv ring registers as they're not used in our code. Also delete duplicate prints for the same information. We were dumping GPC error also in gk20a_pbus_isr(), and we dumped master information twice. Dump status of each GPC separately instead of supporting only GPC0. Change-Id: Ic50817ecc50892618fa27947fa83b05148b2cd6a Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/1295481 GVS: Gerrit_Virtual_Submit Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
* gpu: nvgpu: Reset priv ring properly on errorTerje Bergstrom2017-01-31
| | | | | | | | | | | | | | | | We did not follow the proper sequence to reset priv ring on error. Instead we just re-enabled priv ring, which does not reset anything. Rename the gk20a_reset_priv_ring() to gk20a_enable_priv_ring() to indicate its proper use. Add another gk20a_reset_priv_ring() which actually resets priv ring properly. Change-Id: Ied74465b1215daa447a565b7e9cafef7fbe67d1b Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/1294681 Reviewed-by: Seema Khowala <seemaj@nvidia.com> Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit
* gpu: nvgpu: Start re-organizing the HW headersAlex Waterman2017-01-11
| | | | | | | | | | | | | | | | | | | | | | | Reorganize the HW headers of gk20a. The headers are moved to a new directory: include/nvgpu/hw/gk20a And from the code are included like so: #include <nvgpu/hw/gk20a/hw_pwr_gk20a.h> This is the first step in reorganizing all of the HW headers for gm20b, gm206, etc. This is part of a larger effort to re-structure and make the driver more readable and scalable. Bug 1799159 Change-Id: Ic151155cbc2e6f75009f2d9d597b364a1bed2c4c Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/1244790 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
* gpu: nvgpu: Move ELCG programming to thermTerje Bergstrom2016-10-19
| | | | | | | | | | | | | | | Move ELCG parameter programming to a new function in therm, elcg_init_idle_filter. Implement gk20a variant and use it for gk20a and gm20b. JIRA DNVGPU-74 Change-Id: I8ef400f3a6195311fb9e7da8db6c34993d62f461 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/1220433 (cherry picked from commit f6654ae4d83d31cd40b317bf55922964bbfa575d) Reviewed-on: http://git-master/r/1239421 GVS: Gerrit_Virtual_Submit
* gpu: nvgpu: add check for is_fmodelSeema Khowala2016-07-27
| | | | | | | | | | | | | | | | is_fmodel flag will be set in gk20a_probe(). Updated code for is_fmodel check, instead of check for supported simulated platforms. Bug 1735760 Change-Id: I7cbac2196130fe5ce4c1a910504879e6948c13da Signed-off-by: Seema Khowala <seemaj@nvidia.com> Reviewed-on: http://git-master/r/1177869 Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Tested-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-by: Adeel Raza <araza@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User
* gpu: nvgpu: add support for therm gate ctrlSeshendra Gadagottu2016-01-27
| | | | | | | | | | | | | During gpu init, therm gate control is required to add delay cycles before clock gating. Bug 1717152 Change-Id: Ifabc428cf7b49e49964dc994eba2c38af4aa1a91 Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com> Reviewed-on: http://git-master/r/936443 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Tested-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: Move clk bypass div code to clk initTerje Bergstrom2015-07-03
| | | | | | | | | | | | | Clock bypass divider was changed just before resetting priv ring. Move the code to a new clk op instead so that it is executed only on gk20a. Change-Id: Ic8084a4a5fac23770f50b50f910ced2543ba0f28 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/764970 Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: Aleksandr Frid <afrid@nvidia.com> Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
* Revert "gpu: nvgpu: Skip reg read of gpc2clk"Terje Bergstrom2015-05-18
| | | | | | | | | This reverts commit 259842f9d222dd2ca2e66bddaceef4a2fd626bc7. The commit clears some init values that are never restored. Change-Id: I4efee115863cbfb08b2e280a58b525cb49adc0b6 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/732428
* gpu: nvgpu: Add priv ring error spewTerje Bergstrom2015-04-04
| | | | | | | | Spew debug lines in case we get a priv ring error. Change-Id: Iba46813a355b5d2d192614a9e146397688e130a7 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/660850
* gpu: nvgpu: Skip reg read of gpc2clkSupriya2015-04-04
| | | | | | | | | | | | | | Bug 200066741 As we are just getting out of reset and this reg is not written before, so we dont stand the risk of loosing any data Change-Id: Ifc1bcaa3c224038e4e2a47882a4523f7633cb660 Signed-off-by: Supriya <ssharatkumar@nvidia.com> Reviewed-on: http://git-master/r/715652 GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
* gpu: nvgpu: gm20b: Regenerate clock gating listsTerje Bergstrom2015-03-18
| | | | | | | | | | Regenerate clock gating lists. Add new blocks, and takes them into use. Also moves some clock gating settings to be applied at the earliest possible moment right after reset. Change-Id: I21888186c200f7a477c63bd3332e8ed578f63741 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/457698
* gpu: nvgpu: Add NVIDIA GPU DriverArto Merilainen2015-03-18
This patch moves the NVIDIA GPU driver to a new location. Bug 1482562 Change-Id: I24293810b9d0f1504fd9be00135e21dad656ccb6 Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Reviewed-on: http://git-master/r/383722 Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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