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gpu: nvgpu: gv11b: implement userd_pb_get

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Add gv11b_userd_pb_get() to read the userd get pointer for watchdog.

Jira NVGPU-72

Change-Id: Ie1cdb9f84edcecd70b44b6e5a6a8bc554ad5bf49
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1486956
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Konsta Holtta
2017-05-22 12:20:40 +03:00
committed by mobile promotions
parent c771d0b979
commit a5fc5e7131
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
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@@ -202,6 +202,16 @@ static u32 gv11b_userd_gp_get(struct gk20a *g, struct channel_gk20a *c)
offset + ram_userd_gp_get_w());
}
static u64 gv11b_userd_pb_get(struct gk20a *g, struct channel_gk20a *c)
{
struct nvgpu_mem *userd_mem = &g->fifo.userd;
u32 offset = c->hw_chid * (g->fifo.userd_entry_size / sizeof(u32));
u32 lo = nvgpu_mem_rd32(g, userd_mem, offset + ram_userd_get_w());
u32 hi = nvgpu_mem_rd32(g, userd_mem, offset + ram_userd_get_hi_w());
return ((u64)hi << 32) | lo;
}
static void gv11b_userd_gp_put(struct gk20a *g, struct channel_gk20a *c)
{
struct nvgpu_mem *userd_mem = &g->fifo.userd;
@@ -1412,6 +1422,7 @@ void gv11b_init_fifo(struct gpu_ops *gops)
gops->fifo.get_num_fifos = gv11b_fifo_get_num_fifos;
gops->fifo.userd_gp_get = gv11b_userd_gp_get;
gops->fifo.userd_gp_put = gv11b_userd_gp_put;
gops->fifo.userd_pb_get = gv11b_userd_pb_get;
gops->fifo.setup_ramfc = channel_gv11b_setup_ramfc;
gops->fifo.resetup_ramfc = NULL;
gops->fifo.unbind_channel = channel_gv11b_unbind;