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All channels in a TSG need to share same engine context
i.e. pointer in RAMFC of all channels in a TSG must point
to same NV_RAMIN_GR_WFI_TARGET
To get this, add a pointer to gr_ctx inside TSG struct so
that TSG can maintain its own unique gr_ctx
Also, change the type of gr_ctx in a channel to pointer
variable so that if channel is part of TSG it can point
to TSG's gr_ctx otherwise it will point to its own gr_ctx
In gk20a_alloc_obj_ctx(), allocate gr_ctx as below :
1) If channel is not part of any TSG
- allocate its own gr_ctx buffer if it is already not allocated
2) If channel is part of TSG
- Check if TSG has already allocated gr_ctx (as part of TSG)
- If yes, channel's gr_ctx will point to that of TSG's
- If not, then it means channels is first to be bounded to
this TSG
- And in this case we will allocate new gr_ctx on TSG first
and then make channel's gr_ctx to point to this gr_ctx
Also, gr_ctx will be released as below ;
1) If channels is not part of TSG, then it will be released
when channels is closed
2) Otherwise, it will be released when TSG itself is closed
Bug 1470692
Change-Id: Id347217d5b462e0e972cd3d79d17795b37034a50
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/417065
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Rewrite PMU boot sequence as a state machine. At PMU power-up send
initial messages, and reset state machine. At each reply from PMU,
do the next stage of PMU boot and set state.
As now PMU and FECS boot are independent, we need to ensure engine
idle before saving ZBC.
Change-Id: I1ea747ab794ef08f1784eeabfdae7655d585ff21
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/410205
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When exiting rail gate, we reloaded default ZBC values. The correct
behavior is to reload the values.
Bug 1447255
Change-Id: I7aad3586dda91a91a3629062a27001af281b955e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/418346
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Instead of calling second phase of PMU boot sequence, initialize FECS
directly.
Change-Id: I7f9de0c5ec42049033839d244979f3f3daabf317
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/410204
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This patch adds necessary code to store the gpu configuration into
gr structure.
Bug 1409151
Change-Id: I045b21ebdc849833380a3d953d951f8352842ac7
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
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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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