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charset="utf-8" From: Guocai He commit a54f7e866cc73a4cb71b8b24bb568ba35c8969df upstream. [Why] Coverity reports Memory - illegal accesses. [How] Skip inactive planes. Reviewed-by: Alex Hung Acked-by: Tom Chung Signed-off-by: Hersen Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Cherry-pick from a54f7e866cc73a4cb71b8b24bb568ba35c8969df CVE-2024-46812 Signed-off-by: Guocai He --- drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/driver= s/gpu/drm/amd/display/dc/dml/display_mode_vba.c index 0fad15020c74..b5ce2a8f4f1c 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c +++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c @@ -892,6 +892,11 @@ void ModeSupportAndSystemConfiguration(struct display_= mode_lib *mode_lib) =20 // Total Available Pipes Support Check for (k =3D 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) { + pipe_idx =3D get_pipe_idx(mode_lib, k); + if (pipe_idx =3D=3D -1) { + ASSERT(0); + continue; // skip inactive planes + } total_pipes +=3D mode_lib->vba.DPPPerPlane[k]; } ASSERT(total_pipes <=3D DC__NUM_DPP__MAX); --=20 2.34.1