diff options
Diffstat (limited to 'debian/patches-rt/0003-drm-amd-display-Add-a-warning-if-the-FPU-is-used-out.patch')
| -rw-r--r-- | debian/patches-rt/0003-drm-amd-display-Add-a-warning-if-the-FPU-is-used-out.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/debian/patches-rt/0003-drm-amd-display-Add-a-warning-if-the-FPU-is-used-out.patch b/debian/patches-rt/0003-drm-amd-display-Add-a-warning-if-the-FPU-is-used-out.patch new file mode 100644 index 0000000000..9e160d5a28 --- /dev/null +++ b/debian/patches-rt/0003-drm-amd-display-Add-a-warning-if-the-FPU-is-used-out.patch @@ -0,0 +1,26 @@ +From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Date: Thu, 21 Sep 2023 16:15:14 +0200 +Subject: [PATCH 3/5] drm/amd/display: Add a warning if the FPU is used outside + from task context. +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz + +Add a warning if the FPU is used from any context other than task +context. This is only precaution since the code is not able to be used +from softirq while the API allows it on x86 for instance. + +Link: https://lore.kernel.org/r/20230921141516.520471-4-bigeasy@linutronix.de +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c +@@ -84,6 +84,7 @@ void dc_fpu_begin(const char *function_n + { + int depth; + ++ WARN_ON_ONCE(!in_task()); + preempt_disable(); + depth = __this_cpu_inc_return(fpu_recursion_depth); + |