Commit 777a0281 authored by Imre Deak's avatar Imre Deak Committed by Joonas Lahtinen
Browse files

drm/i915/dp: Add missing slice count check during mode validation 



Add the missing check for a valid slice count during
mode validation when DSC is enabled.

Cc: Vinod Govindapillai <vinod.govindapillai@intel.com>
Fixes: 745395b5 ("drm/i915/dp: Add intel_dp_mode_valid_with_dsc()")
Reviewed-by: default avatarAnkit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260216070421.714884-2-imre.deak@intel.com


(cherry picked from commit ec4db429)
Signed-off-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
parent 57b85fd5

drivers/gpu/drm/i915/display/intel_dp.c

+3 −0
Original line number Diff line number Diff line
@@ -2557,6 +2557,9 @@ 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,