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gpu: nvgpu: add doxygen for common MC unit

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Add doxygen details about Master Control (MC) common unit. Moved the
interrupt handling related variables to new structure nvgpu_mc.

JIRA NVGPU-2524

Change-Id: I61fb4ba325d9bd71e9505af01cd5a82e4e205833
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2226019
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Sagar Kamble
2019-10-25 01:15:26 +05:30
committed by Alex Waterman
parent b26acdeb87
commit f2b49f1c40
15 changed files with 272 additions and 98 deletions
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48
drivers/gpu/nvgpu/os/linux/module.c
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@@ -543,11 +543,11 @@ static int gk20a_lockout_registers(struct gk20a *g)
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;
if (!g->mc.irqs_enabled) {
enable_irq(g->mc.irq_stall);
if (g->mc.irq_stall != g->mc.irq_nonstall)
enable_irq(g->mc.irq_nonstall);
g->mc.irqs_enabled = true;
}
return 0;
@@ -555,11 +555,11 @@ int nvgpu_enable_irqs(struct gk20a *g)
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 = false;
if (g->mc.irqs_enabled) {
disable_irq(g->mc.irq_stall);
if (g->mc.irq_stall != g->mc.irq_nonstall)
disable_irq(g->mc.irq_nonstall);
g->mc.irqs_enabled = false;
}
}
@@ -642,7 +642,7 @@ static int gk20a_pm_prepare_poweroff(struct device *dev)
goto done;
/* disable IRQs and wait for completion */
irqs_enabled = g->irqs_enabled;
irqs_enabled = g->mc.irqs_enabled;
nvgpu_disable_irqs(g);
gk20a_scale_suspend(dev);
@@ -1156,9 +1156,9 @@ void nvgpu_free_irq(struct gk20a *g)
{
struct device *dev = dev_from_gk20a(g);
devm_free_irq(dev, g->irq_stall, g);
if (g->irq_stall != g->irq_nonstall)
devm_free_irq(dev, g->irq_nonstall, g);
devm_free_irq(dev, g->mc.irq_stall, g);
if (g->mc.irq_stall != g->mc.irq_nonstall)
devm_free_irq(dev, g->mc.irq_nonstall, g);
}
/*
@@ -1572,37 +1572,37 @@ static int gk20a_probe(struct platform_device *dev)
if (nvgpu_platform_is_simulation(gk20a))
nvgpu_set_enabled(gk20a, NVGPU_IS_FMODEL, true);
gk20a->irq_stall = platform_get_irq(dev, 0);
gk20a->irq_nonstall = platform_get_irq(dev, 1);
if ((int)gk20a->irq_stall < 0 || (int)gk20a->irq_nonstall < 0) {
gk20a->mc.irq_stall = platform_get_irq(dev, 0);
gk20a->mc.irq_nonstall = platform_get_irq(dev, 1);
if ((int)gk20a->mc.irq_stall < 0 || (int)gk20a->mc.irq_nonstall < 0) {
err = -ENXIO;
goto return_err;
}
err = devm_request_threaded_irq(&dev->dev,
gk20a->irq_stall,
gk20a->mc.irq_stall,
gk20a_intr_isr_stall,
gk20a_intr_thread_stall,
0, "gk20a_stall", gk20a);
if (err) {
dev_err(&dev->dev,
"failed to request stall intr irq @ %d\n",
gk20a->irq_stall);
gk20a->mc.irq_stall);
goto return_err;
}
err = devm_request_irq(&dev->dev,
gk20a->irq_nonstall,
gk20a->mc.irq_nonstall,
gk20a_intr_isr_nonstall,
0, "gk20a_nonstall", gk20a);
if (err) {
dev_err(&dev->dev,
"failed to request non-stall intr irq @ %d\n",
gk20a->irq_nonstall);
gk20a->mc.irq_nonstall);
goto return_err;
}
disable_irq(gk20a->irq_stall);
if (gk20a->irq_stall != gk20a->irq_nonstall)
disable_irq(gk20a->irq_nonstall);
disable_irq(gk20a->mc.irq_stall);
if (gk20a->mc.irq_stall != gk20a->mc.irq_nonstall)
disable_irq(gk20a->mc.irq_nonstall);
err = gk20a_init_support(dev);
if (err)