diff options
| author | Harry Wentland <[email protected]> | 2017-10-12 14:15:26 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2017-10-21 16:52:02 -0400 |
| commit | bb16bee4b394bafd6168c7719b7b07e19d1f0ce1 (patch) | |
| tree | 7a3dbd825612a4d43e9b6c99019004fd38cfbce9 | |
| parent | 1bed4d09a4cc5a7d4449da86832d9bd816ae44ff (diff) | |
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 <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 19 |
1 files 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 ff6bd384aece..7a0593d4ca62 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; } |