drm/amd/display: Add Logging for Gamma Related information

[Why]
A recent bug showed that logging would be useful in debugging
various gamma issues.

[How]
Add logging in dc.
Fix formatting for easier graphing.
Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

@@ -1452,15 +1452,15 @@ static void log_tf(struct dc_context *ctx,
 	DC_LOG_ALL_TF_CHANNELS("Logging all channels...");
 
 	for (i = 0; i < hw_points_num; i++) {
-		DC_LOG_GAMMA("R %d %llu\n", i, tf->tf_pts.red[i].value);
-		DC_LOG_ALL_TF_CHANNELS("G %d, %llu\n", i, tf->tf_pts.green[i].value);
-		DC_LOG_ALL_TF_CHANNELS("B %d, %llu\n", i, tf->tf_pts.blue[i].value);
+		DC_LOG_GAMMA("R\t%d\t%llu\n", i, tf->tf_pts.red[i].value);
+		DC_LOG_ALL_TF_CHANNELS("G\t%d\t%llu\n", i, tf->tf_pts.green[i].value);
+		DC_LOG_ALL_TF_CHANNELS("B\t%d\t%llu\n", i, tf->tf_pts.blue[i].value);
 	}
 
 	for (i = hw_points_num; i < MAX_NUM_HW_POINTS; i++) {
-		DC_LOG_ALL_GAMMA("R %d %llu\n", i, tf->tf_pts.red[i].value);
-		DC_LOG_ALL_TF_CHANNELS("G %d %llu\n", i, tf->tf_pts.green[i].value);
-		DC_LOG_ALL_TF_CHANNELS("B %d %llu\n", i, tf->tf_pts.blue[i].value);
+		DC_LOG_ALL_GAMMA("R\t%d\t%llu\n", i, tf->tf_pts.red[i].value);
+		DC_LOG_ALL_TF_CHANNELS("G\t%d\t%llu\n", i, tf->tf_pts.green[i].value);
+		DC_LOG_ALL_TF_CHANNELS("B\t%d\t%llu\n", i, tf->tf_pts.blue[i].value);
 	}
 }
 

drivers/gpu/drm/amd/display/modules/color/color_gamma.c

@@ -102,10 +102,10 @@ void log_x_points_distribution(struct dal_logger *logger)
 	int i = 0;
 
 	if (logger != NULL) {
-		LOG_GAMMA_WRITE("]Log X Distribution\n");
+		LOG_GAMMA_WRITE("Log X Distribution\n");
 
 		for (i = 0; i < MAX_HW_POINTS; i++)
-			LOG_GAMMA_WRITE("]%llu\n", coordinates_x[i].x.value);
+			LOG_GAMMA_WRITE("%llu\n", coordinates_x[i].x.value);
 	}
 }