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gpu: nvgpu: vgpu: add channel timeslice support

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Update vgpu back-end to send channel timeslice request
to server.

JIRA VFND-1347
Bug 1729664

Change-Id: I289f88882780616331952a79a223755117f07174
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1028977
(cherry picked from commit 792a5642b37ca34362ba68200cb8909d2fe8c18c)
Reviewed-on: http://git-master/r/1026592
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Aingara Paramakuru
2016-03-08 09:54:38 -05:00
committed by Terje Bergstrom
parent 7d45a7361d
commit 845a693d13
2 changed files with 28 additions and 1 deletions
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20
drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
View File

@@ -570,6 +570,25 @@ static int vgpu_fifo_set_runlist_interleave(struct gk20a *g,
return err ? err : msg.ret;
}
int vgpu_channel_set_timeslice(struct channel_gk20a *ch, u32 timeslice)
{
struct gk20a_platform *platform = gk20a_get_platform(ch->g->dev);
struct tegra_vgpu_cmd_msg msg;
struct tegra_vgpu_channel_timeslice_params *p =
&msg.params.channel_timeslice;
int err;
gk20a_dbg_fn("");
msg.cmd = TEGRA_VGPU_CMD_CHANNEL_SET_TIMESLICE;
msg.handle = platform->virt_handle;
p->handle = ch->virt_ctx;
p->timeslice_us = timeslice;
err = vgpu_comm_sendrecv(&msg, sizeof(msg), sizeof(msg));
WARN_ON(err || msg.ret);
return err ? err : msg.ret;
}
static void vgpu_fifo_set_ctx_mmu_error(struct gk20a *g,
struct channel_gk20a *ch)
{
@@ -656,4 +675,5 @@ void vgpu_init_fifo_ops(struct gpu_ops *gops)
gops->fifo.wait_engine_idle = vgpu_fifo_wait_engine_idle;
gops->fifo.channel_set_priority = vgpu_channel_set_priority;
gops->fifo.set_runlist_interleave = vgpu_fifo_set_runlist_interleave;
gops->fifo.channel_set_timeslice = vgpu_channel_set_timeslice;
}

9
include/linux/tegra_vgpu.h
View File

@@ -75,7 +75,8 @@ enum {
TEGRA_VGPU_CMD_SET_SM_DEBUG_MODE,
TEGRA_VGPU_CMD_REG_OPS,
TEGRA_VGPU_CMD_CHANNEL_SET_PRIORITY,
TEGRA_VGPU_CMD_CHANNEL_SET_RUNLIST_INTERLEAVE
TEGRA_VGPU_CMD_CHANNEL_SET_RUNLIST_INTERLEAVE,
TEGRA_VGPU_CMD_CHANNEL_SET_TIMESLICE
};
struct tegra_vgpu_connect_params {
@@ -305,6 +306,11 @@ struct tegra_vgpu_channel_runlist_interleave_params {
u32 level;
};
struct tegra_vgpu_channel_timeslice_params {
u64 handle;
u32 timeslice_us;
};
struct tegra_vgpu_cmd_msg {
u32 cmd;
int ret;
@@ -334,6 +340,7 @@ struct tegra_vgpu_cmd_msg {
struct tegra_vgpu_reg_ops_params reg_ops;
struct tegra_vgpu_channel_priority_params channel_priority;
struct tegra_vgpu_channel_runlist_interleave_params channel_interleave;
struct tegra_vgpu_channel_timeslice_params channel_timeslice;
char padding[192];
} params;
};