diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4561-drm-amd-display-avoid-sleeping-in-atomic-context-whi.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4561-drm-amd-display-avoid-sleeping-in-atomic-context-whi.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4561-drm-amd-display-avoid-sleeping-in-atomic-context-whi.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4561-drm-amd-display-avoid-sleeping-in-atomic-context-whi.patch new file mode 100644 index 00000000..7c5bc75d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4561-drm-amd-display-avoid-sleeping-in-atomic-context-whi.patch @@ -0,0 +1,58 @@ +From 5f44c6ee22170803f2caa43e83a3124a5936ddbd Mon Sep 17 00:00:00 2001 +From: Shirish S <shirish.s@amd.com> +Date: Mon, 28 May 2018 16:00:34 +0530 +Subject: [PATCH 4561/5725] drm/amd/display: avoid sleeping in atomic context + while creating new state (V2) + +This patch fixes the warning messages that are caused due to calling +sleep in atomic context as below: + +BUG: sleeping function called from invalid context at mm/slab.h:419 +in_atomic(): 1, irqs_disabled(): 1, pid: 5, name: kworker/u4:0 +CPU: 1 PID: 5 Comm: kworker/u4:0 Tainted: G W 4.14.35 #941 +Workqueue: events_unbound commit_work +Call Trace: + dump_stack+0x4d/0x63 + ___might_sleep+0x11f/0x12e + kmem_cache_alloc_trace+0x41/0xea + dc_create_state+0x1f/0x30 + dc_commit_updates_for_stream+0x73/0x4cf + ? amdgpu_get_crtc_scanoutpos+0x82/0x16b + amdgpu_dm_do_flip+0x239/0x298 + amdgpu_dm_commit_planes.isra.23+0x379/0x54b + ? dc_commit_state+0x3da/0x404 + amdgpu_dm_atomic_commit_tail+0x4fc/0x5d2 + ? wait_for_common+0x5b/0x69 + commit_tail+0x42/0x64 + process_one_work+0x1b0/0x314 + worker_thread+0x1cb/0x2c1 + ? create_worker+0x1da/0x1da + kthread+0x156/0x15e + ? kthread_flush_work+0xea/0xea + ret_from_fork+0x22/0x40 + +V2: fix applicable only to dc_create_state() and not dc_create(). + +Signed-off-by: Shirish S <shirish.s@amd.com> +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index a6a09b0..36be7a3 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -970,7 +970,7 @@ bool dc_post_update_surfaces_to_stream(struct dc *dc) + struct dc_state *dc_create_state(void) + { + struct dc_state *context = kzalloc(sizeof(struct dc_state), +- GFP_KERNEL); ++ GFP_ATOMIC); + + if (!context) + return NULL; +-- +2.7.4 + |