Commit 7229474d authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/dp: Verify valid pipe BPP range 



Ensure that the pipe BPP range is valid after calculating the minimum
and maximum pipe BPP values separately.

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/20260209133817.395823-2-imre.deak@intel.com
parent 08b7ef16

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

+9 −0
Original line number Diff line number Diff line
@@ -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;