nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-22 17:35:20 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: introduce nvgpu_enable_irqs

Browse Source 
Prepare function to enable the stall and non-stall kernel interrupts.
Update the type of irq state irqs_enabled to bool.

JIRA NVGPU-1592

Change-Id: I758794e0f230814a0bea2f3c035562e9a5c7e0ea
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2203859
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Sagar Kamble
2019-09-23 12:31:30 +05:30
committed by Alex Waterman
parent 99ffa2622c
commit 1cd6ae945c
4 changed files with 38 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/gpu/nvgpu/os/linux/module.c
View File

@@ -487,10 +487,11 @@ int gk20a_pm_finalize_poweron(struct device *dev)
trace_gk20a_finalize_poweron_done(dev_name(dev));
#endif
enable_irq(g->irq_stall);
if (g->irq_stall != g->irq_nonstall)
enable_irq(g->irq_nonstall);
g->irqs_enabled = 1;
err = nvgpu_enable_irqs(g);
if (err) {
nvgpu_err(g, "failed to enable irqs %d", err);
goto done;
}
gk20a_scale_resume(dev_from_gk20a(g));
@@ -534,13 +535,25 @@ static int gk20a_lockout_registers(struct gk20a *g)
return 0;
}
int nvgpu_enable_irqs(struct gk20a *g)
{
if (!g->irqs_enabled) {
enable_irq(g->irq_stall);
if (g->irq_stall != g->irq_nonstall)
enable_irq(g->irq_nonstall);
g->irqs_enabled = true;
}
return 0;
}
void nvgpu_disable_irqs(struct gk20a *g)
{
if (g->irqs_enabled) {
disable_irq(g->irq_stall);
if (g->irq_stall != g->irq_nonstall)
disable_irq(g->irq_nonstall);
g->irqs_enabled = 0;
g->irqs_enabled = false;
}
}
@@ -552,7 +565,7 @@ static int gk20a_pm_prepare_poweroff(struct device *dev)
#endif
struct gk20a_platform *platform = gk20a_get_platform(dev);
bool irqs_enabled;
int ret = 0;
int ret = 0, err = 0;
nvgpu_log_fn(g, " ");
@@ -589,10 +602,10 @@ static int gk20a_pm_prepare_poweroff(struct device *dev)
error:
/* re-enabled IRQs if previously enabled */
if (irqs_enabled) {
enable_irq(g->irq_stall);
if (g->irq_stall != g->irq_nonstall)
enable_irq(g->irq_nonstall);
g->irqs_enabled = 1;
err = nvgpu_enable_irqs(g);
if (err) {
nvgpu_err(g, "failed to enable irqs %d", err);
}
}
gk20a_scale_resume(dev);