In helper intel_dp_dsc_max_src_input_bpc it is assumed that platforms earlier to ICL do not support DSC, and the function returns 0 for those platforms. Use HAS_DSC macro instead and return 0 for platforms that do not support DSC. v2: Updated commit message with clarification. (Jani) Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dp.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 5391b2a83405..30ea4820b210 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1569,13 +1569,14 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp, static u8 intel_dp_dsc_max_src_input_bpc(struct drm_i915_private *i915) { + if (!HAS_DSC(i915)) + return 0; + /* Max DSC Input BPC for ICL is 10 and for TGL+ is 12 */ - if (DISPLAY_VER(i915) >= 12) - return 12; if (DISPLAY_VER(i915) == 11) return 10; - return 0; + return 12; } int intel_dp_dsc_compute_max_bpp(const struct intel_connector *connector, -- 2.40.1