From ca844ea7e1c98ad65da71623aee67c807c75eaab Mon Sep 17 00:00:00 2001 From: Animesh Manna Date: Fri, 14 May 2021 08:37:05 -0700 Subject: [PATCH] drm/i915/bigjoiner: Mode validation with uncompressed pipe joiner No need for checking dsc flag for uncompressed pipe joiner mode validation. Cc: Manasi Navare Signed-off-by: Animesh Manna Signed-off-by: Clinton Taylor Signed-off-by: Matt Roper Reviewed-by: Anusha Srivatsa Reviewed-by: Manasi Navare Link: https://patchwork.freedesktop.org/patch/msgid/20210514153711.2359617-14-matthew.d.roper@intel.com --- drivers/gpu/drm/i915/display/intel_dp.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 7536bee..9db2c96 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -818,8 +818,11 @@ intel_dp_mode_valid(struct drm_connector *connector, dsc = dsc_max_output_bpp && dsc_slice_count; } - /* big joiner configuration needs DSC */ - if (bigjoiner && !dsc) + /* + * Big joiner configuration needs DSC for TGL which is not true for + * XE_LPD where uncompressed joiner is supported. + */ + if (DISPLAY_VER(dev_priv) < 13 && bigjoiner && !dsc) return MODE_CLOCK_HIGH; if (mode_rate > max_rate && !dsc) -- 2.7.4