drm/amd/display: external monitor abm enabled in modern standby (9edf202d) · Commits · 戴 / test

[why] Resume from modern standby, edp stream disabled but abm keep enabled. External monitor select OTG source 0 which ABM enabled. [how] Disable abm before disable crtc when reset path mode not call core link disable stream. Signed-off-by:

Jing Zhou <Jing.Zhou@amd.com> Reviewed-by:

Anthony Koo <Anthony.Koo@amd.com> Acked-by:

Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> Signed-off-by:

Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -901,6 +901,10 @@ static void dcn10_reset_back_end_for_pipe(
		* parent pipe.
		*/
		if (pipe_ctx->top_pipe == NULL) {

		if (pipe_ctx->stream_res.abm)
		pipe_ctx->stream_res.abm->funcs->set_abm_immediate_disable(pipe_ctx->stream_res.abm);

		pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);

		pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -2011,6 +2011,10 @@ static void dcn20_reset_back_end_for_pipe(
		* parent pipe.
		*/
		if (pipe_ctx->top_pipe == NULL) {

		if (pipe_ctx->stream_res.abm)
		pipe_ctx->stream_res.abm->funcs->set_abm_immediate_disable(pipe_ctx->stream_res.abm);

		pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);

		pipe_ctx->stream_res.tg->funcs->enable_optc_clock(pipe_ctx->stream_res.tg, false);

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