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gpu: host1x-nvhost: Update syncpt helper functions

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- add get aperture API
- add get syncpt offset api

Bug 3768126

Change-Id: I95ae6a149e8a362317f4f1c89e7a1eac3c596fe4
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2782259
Tested-by: Omar Nemri <onemri@nvidia.com>
Reviewed-by: Omar Nemri <onemri@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Jon Hunter
2022-09-26 15:40:21 +01:00
committed by Laxman Dewangan
parent b5c5a485da
commit 2e94a90e1d
2 changed files with 35 additions and 0 deletions
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22
drivers/gpu/host1x-nvhost/nvhost.c
View File

@@ -12,6 +12,7 @@
#include <linux/iommu.h> #include <linux/iommu.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/nvhost.h> #include <linux/nvhost.h>
#include <linux/nvhost_t194.h>
#include <linux/of_platform.h> #include <linux/of_platform.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/reset.h> #include <linux/reset.h>
@@ -389,6 +390,27 @@ static int nvhost_syncpt_get_page_size(struct device_node *np, uint32_t *size)
return -ENODEV; return -ENODEV;
} }
u32 nvhost_syncpt_unit_interface_get_byte_offset_ext(struct platform_device *pdev,
u32 syncpt_id)
{
struct nvhost_device_data *pdata = platform_get_drvdata(pdev);
struct nvhost_syncpt_interface *syncpt_if = pdata->syncpt_unit_interface;
if (WARN_ON(!syncpt_if))
return 0;
return syncpt_id * syncpt_if->page_size;
}
EXPORT_SYMBOL(nvhost_syncpt_unit_interface_get_byte_offset_ext);
int nvhost_syncpt_unit_interface_get_aperture(struct platform_device *pdev,
u64 *base, size_t *size)
{
return nvhost_syncpt_get_aperture(pdev->dev.parent->of_node, base,
size);
}
EXPORT_SYMBOL(nvhost_syncpt_unit_interface_get_aperture);
int nvhost_syncpt_unit_interface_init(struct platform_device *pdev) int nvhost_syncpt_unit_interface_init(struct platform_device *pdev)
{ {
struct nvhost_device_data *pdata = platform_get_drvdata(pdev); struct nvhost_device_data *pdata = platform_get_drvdata(pdev);

13
include/linux/nvhost_t194.h
View File

@@ -24,6 +24,19 @@ int nvhost_syncpt_unit_interface_get_aperture(
phys_addr_t *base, phys_addr_t *base,
size_t *size); size_t *size);
#ifdef CONFIG_TEGRA_HOST1X
u32 nvhost_syncpt_unit_interface_get_byte_offset_ext(
struct platform_device *host_pdev,
u32 syncpt_id);
#else
u32 nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id); u32 nvhost_syncpt_unit_interface_get_byte_offset(u32 syncpt_id);
static inline u32 nvhost_syncpt_unit_interface_get_byte_offset_ext(
struct platform_device *host_pdev,
u32 syncpt_id)
{
return nvhost_syncpt_unit_interface_get_byte_offset(syncpt_id);
}
#endif
#endif /* __LINUX_NVHOST_T194_H__ */ #endif /* __LINUX_NVHOST_T194_H__ */