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gpu: nvgpu: Add subctx programming for MIG

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This CL covers the following code changes,
1) Added api to init inst_block for more than one subctxs.
2) Added logic to limit the subctx bind based on
   max. VEID count allocated to a gr instance.
3) Renamed nvgpu_grmgr_get_gr_runlist_id.

JIRA NVGPU-5647

Change-Id: Ifec8164a9e5f46fbd0538c3dd50e19ee63667a54
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2418463
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Dinesh T <dt@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Lakshmanan M
2020-09-23 15:42:07 +05:30
committed by Alex Waterman
parent d2bb5df3c7
commit c0e2dc5b74
23 changed files with 133 additions and 31 deletions
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9
drivers/gpu/nvgpu/os/linux/linux-channel.c
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@@ -22,6 +22,7 @@
#include <nvgpu/channel.h>
#include <nvgpu/dma.h>
#include <nvgpu/fence.h>
#include <nvgpu/grmgr.h>
/*
* This is required for nvgpu_vm_find_buf() which is used in the tracing
@@ -628,6 +629,14 @@ u32 nvgpu_get_gpfifo_entry_size(void)
return sizeof(struct nvgpu_gpfifo_entry);
}
u32 nvgpu_channel_get_max_subctx_count(struct nvgpu_channel *ch)
{
struct gk20a *g = ch->g;
return nvgpu_grmgr_get_gpu_instance_max_veid_count(g,
0U);
}
#ifdef CONFIG_DEBUG_FS
static void trace_write_pushbuffer(struct nvgpu_channel *c,
struct nvgpu_gpfifo_entry *g)