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drm/amd/display: Add null check before access structs

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In enable_phantom_plane, we should better check null pointer before
accessing various structs.

Fixes: 09a4ec5da9 ("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>
This commit is contained in:
Ma Ke 2024-06-26 21:06:50 +08:00 committed by Alex Deucher
parent b17eecc08f
commit c961400009
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c
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@ -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));