From: Chiawen Huang <chiawen.huang@amd.com>
Date: Mon, 20 May 2024 03:17:42 +0000 (+0800)
Subject: drm/amd/display: add set ips disable
X-Git-Tag: io_uring-6.11-20240722~49^2~18^2~174
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=abb3f19cad93a8f85dc1d595be456396843ef73e;p=linux-block.git

drm/amd/display: add set ips disable

[How&Why]
Once IPS active, all the DCN resources are
not be allowed to access.
It needs to a function for 3rd party to
on/off IPS.

Reviewed-by: Duncan Ma <duncan.ma@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Chiawen Huang <chiawen.huang@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 0d97611c4817..25a498f65c1c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -5332,6 +5332,16 @@ bool dc_set_replay_allow_active(struct dc *dc, bool active)
 	return true;
 }
 
+/* set IPS disable state */
+bool dc_set_ips_disable(struct dc *dc, unsigned int disable_ips)
+{
+	dc_exit_ips_for_hw_access(dc);
+
+	dc->config.disable_ips = disable_ips;
+
+	return true;
+}
+
 void dc_allow_idle_optimizations_internal(struct dc *dc, bool allow, char const *caller_name)
 {
 	if (dc->debug.disable_idle_power_optimizations)
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 86a76c582f2e..f4ba91600362 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -2468,6 +2468,8 @@ bool dc_set_psr_allow_active(struct dc *dc, bool enable);
 
 bool dc_set_replay_allow_active(struct dc *dc, bool active);
 
+bool dc_set_ips_disable(struct dc *dc, unsigned int disable_ips);
+
 void dc_z10_restore(const struct dc *dc);
 void dc_z10_save_init(struct dc *dc);