From: Stanislav Lisovskiy <[email protected]> When bigjoiner is used, we need at least 2 dsc slices per pipe. Modify the condition in intel_dp_dsc_get_slice_count() to reflect the same.
Signed-off-by: Stanislav Lisovskiy <[email protected]> Signed-off-by: Ankit Nautiyal <[email protected]> Reviewed-by: Ville Syrjälä <[email protected]> --- drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index d8a4a6fa1514..8e091f74eb9a 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1022,8 +1022,12 @@ u8 intel_dp_dsc_get_slice_count(const struct intel_connector *connector, drm_dp_dsc_sink_max_slice_count(connector->dp.dsc_dpcd, false)) break; - /* big joiner needs small joiner to be enabled */ - if (num_joined_pipes == 2 && test_slice_count < 4) + /* + * Bigjoiner needs small joiner to be enabled. + * So there should be at least 2 dsc slices per pipe, + * whenever bigjoiner is enabled. + */ + if (num_joined_pipes > 1 && valid_dsc_slicecount[i] < 2) continue; if (min_slice_count <= test_slice_count) -- 2.45.2
