[PATCH 02/14] drm/i915/dp: Return early if DSC not supported

[Ankit Nautiyal <ankit.k.nautiyal@intel.com>]

Check for DSC support before computing link config with DSC.
For DP MST we are already doing the same.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index eb65c7a64a32..4291aa4f4ab4 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2370,9 +2370,6 @@ int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
 		 intel_dp_supports_fec(intel_dp, connector, pipe_config) &&
 		 !intel_dp_is_uhbr(pipe_config));
 
-	if (!intel_dp_supports_dsc(intel_dp, connector, pipe_config))
-		return -EINVAL;
-
 	if (!intel_dp_dsc_supports_format(connector, pipe_config->output_format))
 		return -EINVAL;
 
@@ -2635,6 +2632,9 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 			    str_yes_no(ret), str_yes_no(joiner_needs_dsc),
 			    str_yes_no(intel_dp->force_dsc_en));
 
+		if (!intel_dp_supports_dsc(intel_dp, connector, pipe_config))
+			return -EINVAL;
+
 		if (!intel_dp_compute_config_limits(intel_dp, pipe_config,
 						    respect_downstream_limits,
 						    true,
-- 
2.45.2