From: Mario Limonciello <mario.limonciello@xxxxxxx>
[ Upstream commit cd2e31a9ab93d13c412a36c6e26811e0f830985b ]
The same parade TCON issue can potentially happen on Phoenix, and the same
PSR resilience changes have been ported into the DMUB firmware.
Don't allow running PSR-SU unless on the newer firmware.
Cc: stable@xxxxxxxxxxxxxxx
Cc: Sean Wang <sean.ns.wang@xxxxxxx>
Cc: Marc Rossi <Marc.Rossi@xxxxxxx>
Cc: Hamza Mahfooz <Hamza.Mahfooz@xxxxxxx>
Cc: Tsung-hua (Ryan) Lin <Tsung-hua.Lin@xxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Reviewed-by: Leo Li <sunpeng.li@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c | 5 +++++
drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h | 2 ++
drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c | 1 +
3 files changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c
index 48a06dbd9be78..f161aeb7e7c4a 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.c
+++ b/drivers/gpu/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/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h
index 674267a2940e9..f213bd82c9110 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn314.h
+++ b/drivers/gpu/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/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 0f43a05a41874..0dab22d794808 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/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) {
--
2.39.2
