drm/amd/powerplay: add a framework for perfroming pre display

configuration change settings

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
index f5571e9..a0bb921 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -170,6 +170,16 @@ int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr)
        return 0;
 }
 
+int phm_pre_display_configuration_changed(struct pp_hwmgr *hwmgr)
+{
+       PHM_FUNC_CHECK(hwmgr);
+
+       if (NULL != hwmgr->hwmgr_func->pre_display_config_changed)
+               hwmgr->hwmgr_func->pre_display_config_changed(hwmgr);
+
+       return 0;
+
+}
 
 int phm_display_configuration_changed(struct pp_hwmgr *hwmgr)
 {

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
index 2a2955c..0af13c1 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
@@ -272,6 +272,8 @@ int psm_adjust_power_state_dynamic(struct pp_hwmgr *hwmgr, bool skip,
                 */
                phm_apply_clock_adjust_rules(hwmgr);
 
+       phm_pre_display_configuration_changed(hwmgr);
+
        phm_display_configuration_changed(hwmgr);
 
        if (hwmgr->ps)

diff --git a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
index e029555..a202247 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
@@ -413,6 +413,7 @@ extern int phm_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
 extern int phm_apply_clock_adjust_rules(struct pp_hwmgr *hwmgr);
 
 extern int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level);
+extern int phm_pre_display_configuration_changed(struct pp_hwmgr *hwmgr);
 extern int phm_display_configuration_changed(struct pp_hwmgr *hwmgr);
 extern int phm_notify_smc_display_config_after_ps_adjustment(struct pp_hwmgr *hwmgr);
 extern int phm_register_irq_handlers(struct pp_hwmgr *hwmgr);

diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index 9b6c6af..b99fb8a 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -254,6 +254,7 @@ struct pp_hwmgr_func {
                                                const void *state);
        int (*enable_clock_power_gating)(struct pp_hwmgr *hwmgr);
        int (*notify_smc_display_config_after_ps_adjustment)(struct pp_hwmgr *hwmgr);
+       int (*pre_display_config_changed)(struct pp_hwmgr *hwmgr);
        int (*display_config_changed)(struct pp_hwmgr *hwmgr);
        int (*disable_clock_power_gating)(struct pp_hwmgr *hwmgr);
        int (*update_clock_gatings)(struct pp_hwmgr *hwmgr,