drm/amd/display: external monitor abm enabled in modern standby

[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>

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 7fc559a..0225f8d 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -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);

diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 52ef4d3..b9ec40a 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -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);