diff options
| author | Ma Ke <make24@iscas.ac.cn> | 2024-06-26 21:06:50 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-27 17:33:36 -0400 |
| commit | c96140000915b610d86f941450e15ca552de154a (patch) | |
| tree | 29d1d14cb48a620248311e18e53d61ed151a93db /drivers/gpu/drm/amd | |
| parent | b17eecc08fba0c1d256f9a78fe13e5e568fe7081 (diff) | |
drm/amd/display: Add null check before access structs
In enable_phantom_plane, we should better check null pointer before
accessing various structs.
Fixes: 09a4ec5da92c ("drm/amd/display: Refactor dc_state interface")
Signed-off-by: Ma Ke <make24@iscas.ac.cn>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c index 282d70e2b18a..3d29169dd6bb 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c @@ -750,6 +750,8 @@ static void enable_phantom_plane(struct dml2_context *ctx, ctx->config.svp_pstate.callbacks.dc, state, curr_pipe->plane_state); + if (!phantom_plane) + return; } memcpy(&phantom_plane->address, &curr_pipe->plane_state->address, sizeof(phantom_plane->address)); |