drm/amd/display: clean up validation failure log spam

Currently dcn2+ validation will unconditionally print a failure
reason before validation completes. This change categorizes the
failure reason as a warning log and only prints at the end of
validation resolving false positives.
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

@@ -1880,6 +1880,7 @@ bool dcn20_validate_bandwidth(struct dc *dc,
 	int split_threshold = dc->res_pool->pipe_count / 2;
 	bool avoid_split = dc->debug.pipe_split_policy != MPC_SPLIT_DYNAMIC;
 	display_e2e_pipe_params_st *pipes = kzalloc(dc->res_pool->pipe_count * sizeof(display_e2e_pipe_params_st), GFP_KERNEL);
+	DC_LOGGER_INIT(dc->ctx->logger);
 
 	ASSERT(pipes);
 	if (!pipes)
@@ -2183,6 +2184,8 @@ bool dcn20_validate_bandwidth(struct dc *dc,
 	return true;
 
 validate_fail:
+	DC_LOG_WARNING("Mode Validation Warning: %s failed validation.\n",
+		dml_get_status_message(context->bw_ctx.dml.vba.ValidationStatus[context->bw_ctx.dml.vba.soc.num_states]));
 	kfree(pipes);
 	return false;
 }

drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c

@@ -73,17 +73,7 @@ unsigned int dml_get_voltage_level(
 		fetch_pipe_params(mode_lib);
 		PixelClockAdjustmentForProgressiveToInterlaceUnit(mode_lib);
 	}
-		mode_lib->funcs.validate(mode_lib);
-
-	/* check if Mode Support Validation failed */
-	if (mode_lib->vba.VoltageLevel > mode_lib->vba.soc.num_states) {
-		/* get the validation status for highest voltage level and output console message */
-		enum dm_validation_status status = mode_lib->vba.ValidationStatus[mode_lib->vba.soc.num_states];
-		if (status != DML_FAIL_PITCH_SUPPORT) {
-			/*AlignedYPitch is based on swizzle mode, so it is normal if some swizzle mode not supported*/
-			dm_output_to_console("Mode Validation Error: %s failed validation.\n", dml_get_status_message(status));
-		}
-	}
+	mode_lib->funcs.validate(mode_lib);
 
 	return mode_lib->vba.VoltageLevel;
 }