drm/amd/display: Disable fastboot on DCE 6 too

[ Upstream commit 7495962 ]

It already didn't work on DCE 8,
so there is no reason to assume it would on DCE 6.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Rodrigo Siqueira <siqueira@igalia.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Timur Kristóf

drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c

@@ -1910,10 +1910,8 @@ void dce110_enable_accelerated_mode(struct dc *dc, struct dc_state *context)
 
 	get_edp_streams(context, edp_streams, &edp_stream_num);
 
-	// Check fastboot support, disable on DCE8 because of blank screens
-	if (edp_num && edp_stream_num && dc->ctx->dce_version != DCE_VERSION_8_0 &&
-		    dc->ctx->dce_version != DCE_VERSION_8_1 &&
-		    dc->ctx->dce_version != DCE_VERSION_8_3) {
+	/* Check fastboot support, disable on DCE 6-8 because of blank screens */
+	if (edp_num && edp_stream_num && dc->ctx->dce_version < DCE_VERSION_10_0) {
 		for (i = 0; i < edp_num; i++) {
 			edp_link = edp_links[i];
 			if (edp_link != edp_streams[0]->link)