From: jsg <jsg@openbsd.org>
Date: Fri, 4 Aug 2023 08:54:09 +0000 (+0000)
Subject: drm/amd/display: Set minimum requirement for using PSR-SU on Phoenix
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=a7a3e763630d4535510e2f71c73deb9b62bba44d;p=openbsd

drm/amd/display: Set minimum requirement for using PSR-SU on Phoenix

From Mario Limonciello
76fcfc6ae3a64033626647bae7b6d1f2d8bea72a in linux-6.1.y/6.1.43
cd2e31a9ab93d13c412a36c6e26811e0f830985b in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.c b/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.c
index 48a06dbd9be..f161aeb7e7c 100644
--- a/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.c
+++ b/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.c
@@ -60,3 +60,8 @@ const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs = {
 	{ DMUB_DCN31_FIELDS() },
 #undef DMUB_SF
 };
+
+bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub)
+{
+	return dmub->fw_version >= DMUB_FW_VERSION(8, 0, 16);
+}
diff --git a/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.h b/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.h
index 674267a2940..f213bd82c91 100644
--- a/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.h
+++ b/sys/dev/pci/drm/amd/display/dmub/src/dmub_dcn314.h
@@ -30,4 +30,6 @@
 
 extern const struct dmub_srv_dcn31_regs dmub_srv_dcn314_regs;
 
+bool dmub_dcn314_is_psrsu_supported(struct dmub_srv *dmub);
+
 #endif /* _DMUB_DCN314_H_ */
diff --git a/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c b/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c
index 0f43a05a418..0dab22d7948 100644
--- a/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c
+++ b/sys/dev/pci/drm/amd/display/dmub/src/dmub_srv.c
@@ -229,6 +229,7 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
 	case DMUB_ASIC_DCN316:
 		if (asic == DMUB_ASIC_DCN314) {
 			dmub->regs_dcn31 = &dmub_srv_dcn314_regs;
+			funcs->is_psrsu_supported = dmub_dcn314_is_psrsu_supported;
 		} else if (asic == DMUB_ASIC_DCN315) {
 			dmub->regs_dcn31 = &dmub_srv_dcn315_regs;
 		} else if (asic == DMUB_ASIC_DCN316) {