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media: camera: Fix v4l2-subdev for Linux v6.10

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In Linux v6.10, the v4l2-subdev callbacks 'g_dv_timings' and
's_dv_timings' were moved from the v4l2_subdev_video_ops structure to
the v4l2_subdev_pad_ops structure. Fix the build for Linux v6.10 by
using conftest to determine which structure is used for these callbacks.

Bug 4593750

Change-Id: Ic54e88da22ed7d1da9b6026a45b9c4307637c7b4
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3142215
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Jon Hunter
2024-04-12 16:42:09 +01:00
committed by mobile promotions
parent 1a635bb0ea
commit 6255ffef44
3 changed files with 58 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
scripts/conftest/Makefile
View File

@@ -180,6 +180,7 @@ NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_async_notifier_init
NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_async_nf_init_has_v4l2_dev_arg
NV_CONFTEST_FUNCTION_COMPILE_TESTS += __v4l2_async_nf_add_subdev
NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_subdev_pad_ops_struct_has_get_frame_interval
NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_subdev_pad_ops_struct_has_dv_timings
NV_CONFTEST_FUNCTION_COMPILE_TESTS += vm_area_struct_has_const_vm_flags
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

22
scripts/conftest/conftest.sh
View File

@@ -8014,6 +8014,28 @@ compile_test() {
"NV_V4L2_SUBDEV_PAD_OPS_STRUCT_HAS_GET_FRAME_INTERVAL" "" "types"
;;
v4l2_subdev_pad_ops_struct_has_dv_timings)
#
# Determine if struct v4l2_subdev_pad_ops has the 'g_dv_timings'
# and 's_dv_timings' function pointers.
#
# Commit 009e12561369 ("media: v4l2-subdev: Add pad versions of dv
# timing subdev calls)" added 'g_dv_timings' and 's_dv_timnigs' to
# the v4l2_subdev_pad_ops structure. Commit d8c9a6e204f1 ("media:
# v4l2-subdev: Remove non-pad dv timing callbacks") then removed the
# the original 'g_dv_timings' and 's_dv_timings' from the
# v4l2_subdev_video_ops structure. These changes were made for Linux
# v6.10.
CODE="
#define _LINUX_EFI_H
#include <media/v4l2-subdev.h>
int conftest_v4l2_subdev_pad_ops_struct_has_dv_timings(void) {
return offsetof(struct v4l2_subdev_pad_ops, g_dv_timings);
}
"
compile_check_conftest "$CODE" \
"NV_V4L2_SUBDEV_PAD_OPS_STRUCT_HAS_DV_TIMINGS" "" "types"
;;
crypto_engine_ctx_struct_removed_test)
#
# Determine if struct 'crypto_engine_ctx' is removed in linux kernel.