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drm/amd/display: Should disable when new stream is null 

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@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leo (Sunpeng) Li 2017-10-17 17:18:24 -04:00 committed by Alex Deucher
parent 1b6c806741
commit 827f11e97d
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
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@ -1868,8 +1868,10 @@ 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);