diff options
Diffstat (limited to 'recipes-kernel/linux/linux-toradex-rt-4.9-1.0.x/0001-gpu-viv-enable-PREEMPT-RT-fixes.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-toradex-rt-4.9-1.0.x/0001-gpu-viv-enable-PREEMPT-RT-fixes.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-toradex-rt-4.9-1.0.x/0001-gpu-viv-enable-PREEMPT-RT-fixes.patch b/recipes-kernel/linux/linux-toradex-rt-4.9-1.0.x/0001-gpu-viv-enable-PREEMPT-RT-fixes.patch new file mode 100644 index 0000000..238f23e --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-rt-4.9-1.0.x/0001-gpu-viv-enable-PREEMPT-RT-fixes.patch @@ -0,0 +1,46 @@ +From 3a72b4b868fe160f57817fa54cc14aa235391970 Mon Sep 17 00:00:00 2001 +From: Stefan Agner <stefan.agner@toradex.com> +Date: Wed, 24 Jan 2018 16:35:37 +0100 +Subject: [PATCH 1/2] gpu-viv: enable PREEMPT RT fixes + +Set the preprocessor define gcdRT_KERNEL to enable PREEMPT RT +kernel ifdefs. Use new macro DECLARE_SWAITQUEUE to declare the +simple wait queue. + +Upstream-Status: Inappropriate [vendor kernel specific] + +Signed-off-by: Stefan Agner <stefan.agner@toradex.com> +--- + drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.h | 2 ++ + drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c | 2 +- + 2 files changed, 3 insertions(+), 1 deletion(-) + +diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.h b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.h +index 32233cc3418e..fed9448d216e 100644 +--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.h ++++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_linux.h +@@ -115,6 +115,8 @@ + + #define GetPageCount(size, offset) ((((size) + ((offset) & ~PAGE_MASK)) + PAGE_SIZE - 1) >> PAGE_SHIFT) + ++#define gcdRT_KERNEL ++ + #if LINUX_VERSION_CODE >= KERNEL_VERSION (3,7,0) + #define gcdVM_FLAGS (VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_DONTDUMP) + #else +diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c +index 9bf60450f976..46ba3c6839ac 100644 +--- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c ++++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c +@@ -6063,7 +6063,7 @@ gckOS_WaitSignal( + : msecs_to_jiffies(Wait); + + #ifdef gcdRT_KERNEL +- DEFINE_SWAITER(wait); ++ DECLARE_SWAITQUEUE(wait); + #else + DECLARE_WAITQUEUE(wait, current); + wait.flags |= WQ_FLAG_EXCLUSIVE; +-- +2.15.1 + |