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From e8804f55632a7d6f58ce5d769bd6767359823c31 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Fri, 16 Oct 2015 14:55:03 +0800
Subject: [PATCH 0062/1110] drm/amdgpu/poweprlay: export program display gap
function to eventmgr
This allows the eventmgr to properly update the displaygap on
certain power events.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 27 ++++++++++++++++++++++
.../gpu/drm/amd/powerplay/inc/hardwaremanager.h | 2 ++
2 files changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
index aec9f6d..620119f 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -167,3 +167,30 @@ int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr)
}
return 0;
}
+
+int phm_display_configuration_changed(struct pp_hwmgr *hwmgr)
+{
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_TablelessHardwareInterface)) {
+ if (NULL != hwmgr->hwmgr_func->display_config_changed)
+ hwmgr->hwmgr_func->display_config_changed(hwmgr);
+ } else
+ return phm_dispatch_table(hwmgr, &hwmgr->display_configuration_changed, NULL, NULL);
+ return 0;
+}
+
+int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr)
+{
+ if (hwmgr == NULL)
+ return -EINVAL;
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_TablelessHardwareInterface))
+ if (NULL != hwmgr->hwmgr_func->display_config_changed)
+ hwmgr->hwmgr_func->notify_smc_display_config_after_ps_adjustment(hwmgr);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
index 9795b9a..1d29760 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
@@ -328,4 +328,6 @@ extern int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
const struct pp_power_state *current_ps);
extern int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level);
+extern int phm_display_configuration_changed(struct pp_hwmgr *hwmgr);
+extern int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr);
#endif /* _HARDWARE_MANAGER_H_ */
--
2.7.4
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