Commit 5c2d7994 authored by Imre Deak's avatar Imre Deak
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drm/i915/dp: Fail state computation for invalid max throughput BPP value 



There is no reason to accept a minimum/maximum link BPP value above the
maximum throughput BPP value, fail the state computation in this case.

Reviewed-by: default avatarVinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: default avatarLuca Coelho <luciano.coelho@intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20251215192357.172201-15-imre.deak@intel.com
parent 2018e291

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

+0 −2
Original line number Diff line number Diff line
@@ -2630,8 +2630,6 @@ intel_dp_compute_config_link_bpp_limits(struct intel_dp *intel_dp, 
		max_link_bpp_x16 = min(max_link_bpp_x16, fxp_q4_from_int(dsc_max_bpp));



		throughput_max_bpp_x16 = dsc_throughput_quirk_max_bpp_x16(connector, crtc_state);

		throughput_max_bpp_x16 = clamp(throughput_max_bpp_x16,

					       limits->link.min_bpp_x16, max_link_bpp_x16);

		if (throughput_max_bpp_x16 < max_link_bpp_x16) {

			max_link_bpp_x16 = throughput_max_bpp_x16;