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gpu: nvgpu: Support GPUs with only one interrupt line

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Not all GPUs have stalling and non-stalling interrupt. Support
ones with just one interrupt line.

Change-Id: I0f1e8faa5b353b8d1b10691375bd853152379a3a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120470
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
This commit is contained in:
Terje Bergstrom
2016-04-01 16:11:14 -07:00
parent 9b5427da37
commit 00775cafab
2 changed files with 5 additions and 3 deletions
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6
drivers/gpu/nvgpu/gk20a/gk20a.c
View File

@@ -904,7 +904,8 @@ int gk20a_pm_finalize_poweron(struct device *dev)
gk20a_init_cde_support(g);
enable_irq(g->irq_stall);
enable_irq(g->irq_nonstall);
if (g->irq_stall != g->irq_nonstall)
enable_irq(g->irq_nonstall);
done:
return err;
@@ -1446,7 +1447,8 @@ static int gk20a_probe(struct platform_device *dev)
return err;
}
disable_irq(gk20a->irq_stall);
disable_irq(gk20a->irq_nonstall);
if (gk20a->irq_stall != gk20a->irq_nonstall)
disable_irq(gk20a->irq_nonstall);
err = gk20a_user_init(&dev->dev, INTERFACE_NAME);
if (err)

2
drivers/gpu/nvgpu/gk20a/gk20a.h
View File

@@ -663,7 +663,7 @@ struct gk20a {
struct gpu_ops ops;
int irq_stall;
int irq_stall; /* can be same as irq_nonstall in case of PCI */
int irq_nonstall;
u32 max_ltc_count;
u32 ltc_count;