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drm/tegra: Add conftest for fd/handle conversions

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Add tests to the conftest script to check if the functions
drm_gem_prime_fd_to_handle() and drm_gem_prime_handle_to_fd() are
exported in the Linux kernel and use the definition generated by
conftest for compiling the Tegra DRM driver.

Bug 4346767

Change-Id: I56b76617bf4644a5851484dd7d4eecd3888f3b5b
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3015723
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Jon Hunter
2023-11-14 13:07:56 +00:00
committed by mobile promotions
parent fc748158cc
commit 5615d9f984
3 changed files with 5 additions and 5 deletions
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3
Makefile
View File

@@ -64,9 +64,6 @@ subdir-ccflags-y += -DNV_DROP_PCIE_ERROR_REPORTING
# Split types and declaration of net/page_pool.h
subdir-ccflags-y += -DNV_SPLIT_PAGE_POOL_HEADER
# Unexport helpers for fd/handle conversion
subdir-ccflags-y += -DNV_UNEXPORT_FD_HANDLE_CONVERSION
# FB Deferred IO helpers name alignment
subdir-ccflags-y += -DNV_FB_DEFERRED_IO_OPS_RENAME

4
drivers/gpu/drm/tegra/drm.c
View File

@@ -891,8 +891,10 @@ static const struct drm_driver tegra_drm_driver = {
.debugfs_init = tegra_debugfs_init,
#endif
#if !defined(NV_UNEXPORT_FD_HANDLE_CONVERSION)
#if NV_IS_EXPORT_SYMBOL_PRESENT_drm_gem_prime_handle_to_fd
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
#endif
#if NV_IS_EXPORT_SYMBOL_PRESENT_drm_gem_prime_fd_to_handle
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
#endif
.gem_prime_import = tegra_gem_prime_import,

3
scripts/conftest/Makefile
View File

@@ -127,7 +127,8 @@ NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_of_get_dai_name_has_index_arg
NV_CONFTEST_FUNCTION_COMPILE_TESTS += tc_taprio_qopt_offload_struct_has_cmd
NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_dev_iommu_get_stream_id
NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_ivc_struct_has_iosys_map
NV_CONFTEST_GENERIC_COMPILE_TESTS ?=
NV_CONFTEST_GENERIC_COMPILE_TESTS += is_export_symbol_present_drm_gem_prime_fd_to_handle
NV_CONFTEST_GENERIC_COMPILE_TESTS += is_export_symbol_present_drm_gem_prime_handle_to_fd
NV_CONFTEST_MACRO_COMPILE_TESTS ?=
NV_CONFTEST_SYMBOL_COMPILE_TESTS ?=
NV_CONFTEST_TYPE_COMPILE_TESTS += request_struct_has_completion_data_arg