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gpu: nvgpu: vgpu: call nvgpu_init_ltc_support

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vgpu needs to call nvgpu_init_ltc_support to floor sweep and
set ltc_count.
And set gops.ltc.set_enabled to null as guest is not allowed to change
ltc settings.

Jira VQRM-2345

Change-Id: I83517d631aa947db4a0a4c312f0cecda9ba03973
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1703626
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Richard Zhao
2018-04-26 16:45:07 -07:00
committed by mobile promotions
parent c8b659496d
commit 152eeae163
4 changed files with 12 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/nvgpu/common/linux/vgpu/vgpu_linux.c
View File

@@ -31,6 +31,7 @@
#include <nvgpu/soc.h>
#include <nvgpu/ctxsw_trace.h>
#include <nvgpu/defaults.h>
#include <nvgpu/ltc.h>
#include "vgpu_linux.h"
#include "vgpu/fecs_trace_vgpu.h"
@@ -177,6 +178,12 @@ int vgpu_pm_finalize_poweron(struct device *dev)
if (g->ops.ltc.init_fs_state)
g->ops.ltc.init_fs_state(g);
err = nvgpu_init_ltc_support(g);
if (err) {
nvgpu_err(g, "failed to init ltc");
goto done;
}
err = vgpu_init_mm_support(g);
if (err) {
nvgpu_err(g, "failed to init gk20a mm");

3
drivers/gpu/nvgpu/common/ltc.c
View File

@@ -42,6 +42,9 @@ int nvgpu_init_ltc_support(struct gk20a *g)
void nvgpu_ltc_sync_enabled(struct gk20a *g)
{
if (!g->ops.ltc.set_enabled)
return;
nvgpu_spinlock_acquire(&g->ltc_enabled_lock);
if (g->mm.ltc_enabled_current != g->mm.ltc_enabled_target) {
g->ops.ltc.set_enabled(g, g->mm.ltc_enabled_target);

2
drivers/gpu/nvgpu/vgpu/gp10b/vgpu_hal_gp10b.c
View File

@@ -86,7 +86,7 @@ static const struct gpu_ops vgpu_gp10b_ops = {
.isr = gp10b_ltc_isr,
.cbc_fix_config = gm20b_ltc_cbc_fix_config,
.flush = gm20b_flush_ltc,
.set_enabled = gp10b_ltc_set_enabled,
.set_enabled = NULL,
},
.ce2 = {
.isr_stall = gp10b_ce_isr,

2
drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
View File

@@ -104,7 +104,7 @@ static const struct gpu_ops vgpu_gv11b_ops = {
.cbc_ctrl = NULL,
.isr = gv11b_ltc_isr,
.flush = gm20b_flush_ltc,
.set_enabled = gp10b_ltc_set_enabled,
.set_enabled = NULL,
},
.ce2 = {
.isr_stall = gv11b_ce_isr,