Ensure that the pipe BPP range is valid after calculating the minimum and maximum pipe BPP values separately.
Reviewed-by: Ankit Nautiyal <[email protected]> Signed-off-by: Imre Deak <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 7fd20df10f26f..48845899298e4 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2745,6 +2745,15 @@ intel_dp_compute_config_limits(struct intel_dp *intel_dp, crtc_state))); } + if (limits->pipe.min_bpp <= 0 || + limits->pipe.min_bpp > limits->pipe.max_bpp) { + drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] Invalid pipe bpp range: %d-%d\n", + connector->base.base.id, connector->base.name, + limits->pipe.min_bpp, limits->pipe.max_bpp); + + return false; + } + if (dsc && !intel_dp_dsc_compute_pipe_bpp_limits(connector, limits)) return false; -- 2.49.1
