From da915efaa213a33451965db1314a75a39219df65 Mon Sep 17 00:00:00 2001
From: Reza Amini <reza.amini@amd.com>
Date: Mon, 26 Jun 2023 14:50:01 -0400
Subject: drm/amd/display: ABM pause toggle
[why]
Allow ABM states to be transferred across display
adapters for smooth display transitions.
[how]
We call DMUB to pause and get ABM states. We
transfer data to other gpu, and deliver data and
ask ABM to un-pause.
Reviewed-by: Harry Vanzylldejong <harry.vanzylldejong@amd.com>
Acked-by: Alan Liu <haoping.liu@amd.com>
Signed-off-by: Reza Amini <reza.amini@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/inc/hw/abm.h | 6 ++++++
1 file changed, 6 insertions(+)
(limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/abm.h')
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
index d2190a3320f6..33db15d69f23 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
@@ -27,6 +27,8 @@
#include "dm_services_types.h"
+struct abm_save_restore;
+
struct abm {
struct dc_context *ctx;
const struct abm_funcs *funcs;
@@ -55,6 +57,10 @@ struct abm_funcs {
unsigned int bytes,
unsigned int inst);
bool (*set_abm_pause)(struct abm *abm, bool pause, unsigned int panel_inst, unsigned int otg_inst);
+ bool (*save_restore)(
+ struct abm *abm,
+ unsigned int panel_inst,
+ struct abm_save_restore *pData);
bool (*set_pipe_ex)(struct abm *abm,
unsigned int otg_inst,
unsigned int option,
--
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