[PATCH for 6.12 3/9] drm/amd/display: Disable fastboot on DCE 6 too

From: Rosen Penev

Date: Thu Mar 26 2026 - 19:49:58 EST


From: Timur Kristóf <timur.kristof@xxxxxxxxx>

[ Upstream commit 7495962cbceb967e095233a5673ea71f3bcdee7e ]

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@xxxxxxxxx>
Reviewed-by: Rodrigo Siqueira <siqueira@xxxxxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Alex Hung <alex.hung@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Rosen Penev <rosenp@xxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
index df69e0cebf78..7dc99c85b8ea 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c
+++ b/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)
--
2.53.0