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gpu: nvgpu: gv11b: get syncpt aperture only if host1x is present

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nvgpu_get_nvhost_dev will not return error if host1x field within
gv11b device tree is not present. It will just set has_syncpoints
in gk20a struct to false. syncpt_unit_interface* should be called
only if g->has_syncpoints is set to true.

Change-Id: Id1eb94aba4cff1942ad519f528ebdb8291963971
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1615973
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Seema Khowala
2017-12-12 15:07:50 -08:00
committed by mobile promotions
parent b92a6bdbf5
commit 1bf9b91c05
1 changed files with 14 additions and 8 deletions
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22
drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c
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@@ -59,18 +59,24 @@ static int gv11b_tegra_probe(struct device *dev)
return err;
}
err = nvgpu_nvhost_syncpt_unit_interface_get_aperture(
if (g->has_syncpoints) {
err = nvgpu_nvhost_syncpt_unit_interface_get_aperture(
g->nvhost_dev,
&g->syncpt_unit_base,
&g->syncpt_unit_size);
if (err) {
dev_err(dev, "Failed to get syncpt interface");
return -ENOSYS;
if (err) {
dev_err(dev, "Failed to get syncpt interface");
return -ENOSYS;
}
g->syncpt_size =
nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(1);
nvgpu_info(g, "syncpt_unit_base %llx "
"syncpt_unit_size %zx size %x\n",
g->syncpt_unit_base, g->syncpt_unit_size,
g->syncpt_size);
}
g->syncpt_size = nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(1);
gk20a_dbg_info("syncpt_unit_base %llx syncpt_unit_size %zx size %x\n",
g->syncpt_unit_base, g->syncpt_unit_size,
g->syncpt_size);
#else
g->has_syncpoints = false;
#endif
platform->bypass_smmu = !device_is_iommuable(dev);