diff options
| author | Alex Deucher <[email protected]> | 2024-06-26 17:35:41 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-07-01 16:06:52 -0400 |
| commit | b73581329adb9e8105277a463a4d1801868b22e7 (patch) | |
| tree | 1994b48d17a7675fa4c2714713b200d15466f825 | |
| parent | 15eb8573ad72a97b8f70e3c88b9bef6ddc861f77 (diff) | |
drm/amd/display: use vmalloc for struct dc_state
This is a big structure so use vmalloc as malloc can
fail when there is memory pressure.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3454
Reviewed-by: Mario Limonciello <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 5d4f831b1e55..5442da90f508 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -23,6 +23,7 @@ * */ +#include <linux/vmalloc.h> #include <drm/display/drm_dp_helper.h> #include <drm/display/drm_dp_mst_helper.h> #include <drm/drm_atomic.h> @@ -1491,9 +1492,10 @@ int pre_validate_dsc(struct drm_atomic_state *state, * from dm_state->context. */ - local_dc_state = kmemdup(dm_state->context, sizeof(struct dc_state), GFP_KERNEL); + local_dc_state = vmalloc(sizeof(struct dc_state)); if (!local_dc_state) return -ENOMEM; + memcpy(local_dc_state, dm_state->context, sizeof(struct dc_state)); for (i = 0; i < local_dc_state->stream_count; i++) { struct dc_stream_state *stream = dm_state->context->streams[i]; @@ -1563,7 +1565,7 @@ clean_exit: dc_stream_release(local_dc_state->streams[i]); } - kfree(local_dc_state); + vfree(local_dc_state); return ret; } |