Export functions swait_prepare_locked() and swait_finish_locked() to make them available to the external imx-gpu-viv driver module.
Remove the check whether MACHINE_USES_VIVANTE_KERNEL_DRIVER_MODULE is set; both the built-in driver and the external module now work with the RT kernel. Signed-off-by: Dominic Sacré <dominic.sa...@gmx.de> --- .../0004-export-swait-locked-functions.patch | 31 ++++++++++++++++++++++ .../linux/linux-fslc-imx-rt_4.1-2.0.x.bb | 7 +---- 2 files changed, 32 insertions(+), 6 deletions(-) create mode 100644 recipes-kernel/linux/linux-fslc-imx-rt/0004-export-swait-locked-functions.patch diff --git a/recipes-kernel/linux/linux-fslc-imx-rt/0004-export-swait-locked-functions.patch b/recipes-kernel/linux/linux-fslc-imx-rt/0004-export-swait-locked-functions.patch new file mode 100644 index 0000000..1a616aa --- /dev/null +++ b/recipes-kernel/linux/linux-fslc-imx-rt/0004-export-swait-locked-functions.patch @@ -0,0 +1,31 @@ +From 2460dd985b0cf477f74396de92d1bc5df496abdc Mon Sep 17 00:00:00 2001 +From: Julio Cruz <jcsistemas2...@gmail.com> +Date: Wed, 20 Jan 2016 19:26:44 +0800 +Subject: [PATCH] Export symbols for iMX-GPU-VIV module + +--- + kernel/sched/wait-simple.c | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/kernel/sched/wait-simple.c b/kernel/sched/wait-simple.c +index 7dfa86d..a3776ee 100644 +--- a/kernel/sched/wait-simple.c ++++ b/kernel/sched/wait-simple.c +@@ -40,6 +40,7 @@ void swait_prepare_locked(struct swait_head *head, struct swaiter *w) + if (list_empty(&w->node)) + __swait_enqueue(head, w); + } ++EXPORT_SYMBOL(swait_prepare_locked); + + void swait_prepare(struct swait_head *head, struct swaiter *w, int state) + { +@@ -58,6 +59,7 @@ void swait_finish_locked(struct swait_head *head, struct swaiter *w) + if (w->task) + __swait_dequeue(w); + } ++EXPORT_SYMBOL(swait_finish_locked); + + void swait_finish(struct swait_head *head, struct swaiter *w) + { +-- +2.1.0 diff --git a/recipes-kernel/linux/linux-fslc-imx-rt_4.1-2.0.x.bb b/recipes-kernel/linux/linux-fslc-imx-rt_4.1-2.0.x.bb index fbb32d8..10610a5 100644 --- a/recipes-kernel/linux/linux-fslc-imx-rt_4.1-2.0.x.bb +++ b/recipes-kernel/linux/linux-fslc-imx-rt_4.1-2.0.x.bb @@ -16,16 +16,11 @@ SRC_URI += " \ file://0001-fix-build.patch \ file://0002-no-split-ptlocks.patch \ file://0003-Work-around-CPU-stalls-in-the-imx-sdma-driver.patch \ + file://0004-export-swait-locked-functions.patch \ " SRC_URI[rt-patch.md5sum] = "6dd1193203cdf6a1a4758fc8baf07a4a" SRC_URI[rt-patch.sha256sum] = "427e736022e59f83c9489eda889559fcd4fe4abb5646570ade32f2128f2fa725" -python () { - using_builtin_driver = (d.getVar("MACHINE_USES_VIVANTE_KERNEL_DRIVER_MODULE", True) or "") != "1" - if not using_builtin_driver: - raise bb.parse.SkipPackage('You must use the builtin driver with the Linux RT patch as the external module does not yet include support for it. Set "MACHINE_USES_VIVANTE_KERNEL_DRIVER_MODULE" accordingly.') -} - COMPATIBLE_MACHINE = "(mx6|mx7)" -- 2.10.2 -- _______________________________________________ meta-freescale mailing list meta-freescale@yoctoproject.org https://lists.yoctoproject.org/listinfo/meta-freescale