Add the missing check for a valid slice count during mode validation when DSC is enabled.
Cc: Vinod Govindapillai <[email protected]> Fixes: 745395b51c26 ("drm/i915/dp: Add intel_dp_mode_valid_with_dsc()") Signed-off-by: Imre Deak <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index b5fe7d8ba5864..d1caa20370123 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2595,6 +2595,9 @@ bool intel_dp_mode_valid_with_dsc(struct intel_connector *connector, if (min_bpp_x16 <= 0 || min_bpp_x16 > max_bpp_x16) return false; + if (dsc_slice_count == 0) + return false; + return is_bw_sufficient_for_dsc_config(intel_dp, link_clock, lane_count, mode_clock, mode_hdisplay, -- 2.49.1
