drm/amd/display: Add option to allow transition when odm is forced

Added option to allow transition for forced odm.
Add the variation to the nightly run.
Reviewed-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Sridevi Arvindekar <sarvinde@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc.c

@@ -4338,7 +4338,8 @@ static void backup_and_set_minimal_pipe_split_policy(struct dc *dc,
 	dc->debug.force_disable_subvp = true;
 	for (i = 0; i < context->stream_count; i++) {
 		policy->force_odm[i] = context->streams[i]->debug.force_odm_combine_segments;
-		context->streams[i]->debug.force_odm_combine_segments = 0;
+		if (context->streams[i]->debug.allow_transition_for_forced_odm)
+			context->streams[i]->debug.force_odm_combine_segments = 0;
 	}
 }
 

drivers/gpu/drm/amd/display/dc/dc_stream.h

@@ -159,6 +159,12 @@ struct test_pattern {
 
 struct dc_stream_debug_options {
 	char force_odm_combine_segments;
+	/*
+	 * When force_odm_combine_segments is non zero, allow dc to
+	 * temporarily transition to ODM bypass when minimal transition state
+	 * is required to prevent visual glitches showing on the screen
+	 */
+	char allow_transition_for_forced_odm;
 };
 
 #define LUMINANCE_DATA_TABLE_SIZE 10