From: "Leo (Sunpeng) Li" <sunpeng.li@xxxxxxx>
core_link_disable_stream should be called when the new stream is null
(i.e. want to disable). Modify the if condition to reflect that.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li at amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland at amd.com>
---
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index df6da5428e74..6c220a213ff2 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1875,8 +1875,10 @@ static void dce110_reset_hw_ctx_wrap(
pipe_need_reprogram(pipe_ctx_old, pipe_ctx)) {
struct clock_source *old_clk = pipe_ctx_old->clock_source;
- /* disable already, no need to disable again */
- if (pipe_ctx->stream && !pipe_ctx->stream->dpms_off)
+ /* Disable if new stream is null. O/w, if stream is
+ * disabled already, no need to disable again.
+ */
+ if (!pipe_ctx->stream || !pipe_ctx->stream->dpms_off)
core_link_disable_stream(pipe_ctx_old, FREE_ACQUIRED_RESOURCE);
pipe_ctx_old->stream_res.tg->funcs->set_blank(pipe_ctx_old->stream_res.tg, true);
--
2.14.1
