diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2597-drm-amd-display-Reduce-stack-size-of-commit_planes_t.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2597-drm-amd-display-Reduce-stack-size-of-commit_planes_t.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2597-drm-amd-display-Reduce-stack-size-of-commit_planes_t.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2597-drm-amd-display-Reduce-stack-size-of-commit_planes_t.patch new file mode 100644 index 00000000..f6f8e46a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2597-drm-amd-display-Reduce-stack-size-of-commit_planes_t.patch @@ -0,0 +1,64 @@ +From 20b1a81e27bead5beb643a0da38444f81c1c86b4 Mon Sep 17 00:00:00 2001 +From: Harry Wentland <harry.wentland@amd.com> +Date: Thu, 12 Oct 2017 14:15:26 -0400 +Subject: [PATCH 2597/4131] drm/amd/display: Reduce stack size of + commit_planes_to_stream + +This function likes to blow 1024 stack size when something is +added to the addr struct. For now just dynamically allocate. + +Signed-off-by: Harry Wentland <harry.wentland@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 19 +++++++++++++------ + 1 file changed, 13 insertions(+), 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index ebea84a..03ecc3d 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -926,9 +926,9 @@ bool dc_commit_planes_to_stream( + struct dc_state *state) + { + struct dc_surface_update updates[MAX_SURFACES]; +- struct dc_flip_addrs flip_addr[MAX_SURFACES]; +- struct dc_plane_info plane_info[MAX_SURFACES]; +- struct dc_scaling_info scaling_info[MAX_SURFACES]; ++ struct dc_flip_addrs *flip_addr; ++ struct dc_plane_info *plane_info; ++ struct dc_scaling_info *scaling_info; + int i; + struct dc_stream_update *stream_update = + kzalloc(sizeof(struct dc_stream_update), GFP_KERNEL); +@@ -938,10 +938,14 @@ bool dc_commit_planes_to_stream( + return false; + } + ++ flip_addr = kcalloc(MAX_SURFACES, sizeof(struct dc_flip_addrs), ++ GFP_KERNEL); ++ plane_info = kcalloc(MAX_SURFACES, sizeof(struct dc_plane_info), ++ GFP_KERNEL); ++ scaling_info = kcalloc(MAX_SURFACES, sizeof(struct dc_scaling_info), ++ GFP_KERNEL); ++ + memset(updates, 0, sizeof(updates)); +- memset(flip_addr, 0, sizeof(flip_addr)); +- memset(plane_info, 0, sizeof(plane_info)); +- memset(scaling_info, 0, sizeof(scaling_info)); + + stream_update->src = dc_stream->src; + stream_update->dst = dc_stream->dst; +@@ -980,6 +984,9 @@ bool dc_commit_planes_to_stream( + new_plane_count, + dc_stream, stream_update, plane_states, state); + ++ kfree(flip_addr); ++ kfree(plane_info); ++ kfree(scaling_info); + kfree(stream_update); + return true; + } +-- +2.7.4 + |