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authorVinod G <vinodg@nvidia.com>2019-02-06 19:23:11 -0500
committermobile promotions <svcmobile_promotions@nvidia.com>2020-01-08 11:35:39 -0500
commit7a26ad57a7d2fc5cec4a0c8a8395c0c666d31cba (patch)
tree4ec371f30086045414e785199052394a4a9bd739 /drivers/gpu/nvgpu/ctrl
parentdacb06f4647b924aa6455e8156b74df5098cf3bf (diff)
gpu: nvgpu: enable platform atomic feature
Support following changes related to platform atomic feature NV_PFB_PRI_MMU_CTRL_ATOMIC_CAPABILITY_MODE to RMW MODE NV_PFB_PRI_MMU_CTRL_ATOMIC_CAPABILITY_SYS_NCOH_MODE to L2 NV_PFB_HSHUB_NUM_ACTIVE_LTCS_HUB_SYS_ATOMIC_MODE to USE_RMW NV_PFB_FBHUB_NUM_ACTIVE_LTCS_HUB_SYS_ATOMIC_MODE to USE_RMW NV_PFB_FBHUB_NUM_ACTIVE_LTCS_HUB_SYS_NCOH_ATOMIC_MODE to USE_READ In gv11b, FBHUB_NUM_ACTIVE_LTCS register has read only privilege, so atomic mode register bits cannot be updated from kernel code. atomic capability and atomic_sys_ncoh_mode bits are copied from fb mmu_ctrl to gpcs_mmu_ctrl register. new tu104 hal for fb_enable_nvlink function. bug 200580236 Change-Id: Ia78986c1c56795c6efad20f4ba42700ef1c2c1ad Signed-off-by: Vinod G <vinodg@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2013481 (cherry picked from commit 251e3eaa8029c4ae07b2cde7af5d9775e1cd8ec1) Signed-off-by: Lakshmanan M <lm@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/2274932 GVS: Gerrit_Virtual_Submit Tested-by: Sreeniketh H <sh@nvidia.com> Reviewed-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-by: Bibek Basu <bbasu@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/ctrl')
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