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gpu: nvgpu: remove call to invalidate tlb

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Guest doesn't explicitly send command to the RM server
to invalidate tlb which is done implicitly when mapping
or unmapping buffer. Remove support for this call.

Bug 1665111

Change-Id: Icf2edae7feffa35b1dbf87c227b3e98b506e6519
Signed-off-by: Aparna Das <aparnad@nvidia.com>
Reviewed-on: http://git-master/r/1287728
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Aparna Das
2017-01-18 14:11:38 -08:00
committed by mobile promotions
parent e7a0c0ae8b
commit 28b0d6cfa8
2 changed files with 2 additions and 16 deletions
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12
drivers/gpu/nvgpu/vgpu/mm_vgpu.c
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@@ -497,18 +497,10 @@ static void vgpu_mm_l2_flush(struct gk20a *g, bool invalidate)
static void vgpu_mm_tlb_invalidate(struct vm_gk20a *vm)
{
struct gk20a *g = gk20a_from_vm(vm);
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_as_invalidate_params *p = &msg.params.as_invalidate;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_AS_INVALIDATE;
msg.handle = vgpu_get_handle(g);
p->handle = vm->handle;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
gk20a_err(dev_from_vm(vm), "%s: call to RM server not supported",
__func__);
}
static void vgpu_mm_mmu_set_debug_mode(struct gk20a *g, bool enable)