[PATCH 1/2] drm/amd/pp: Add profiling mode setting on RV

[Rex Zhu]

For power saving, default profiling mode was setted
to power saving mode.

Currently, not support CUSTOM mode and not display
detailed profiling mode parameters in sysfs.

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 42 +++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index 0882ecf..409a46b 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -450,6 +450,10 @@ static int smu10_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 
 	hwmgr->backend = data;
 
+	hwmgr->workload_mask = 1 << hwmgr->workload_prority[PP_SMC_POWER_PROFILE_POWERSAVING];
+	hwmgr->power_profile_mode = PP_SMC_POWER_PROFILE_POWERSAVING;
+	hwmgr->default_power_profile_mode = PP_SMC_POWER_PROFILE_POWERSAVING;
+
 	result = smu10_initialize_dpm_defaults(hwmgr);
 	if (result != 0) {
 		pr_err("smu10_initialize_dpm_defaults failed\n");
@@ -1163,6 +1167,42 @@ static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate)
 	}
 }
 
+static int smu10_get_power_profile_mode(struct pp_hwmgr *hwmgr, char *buf)
+{
+	uint32_t i, size = 0;
+
+	static const char *profile_name[6] = {"3D_FULL_SCREEN",
+					"POWER_SAVING",
+					"VIDEO",
+					"VR",
+					"COMPUTE"};
+	static const char *title[2] = {"NUM", "MODE_NAME"};
+
+	if (!buf)
+		return -EINVAL;
+
+	size += sprintf(buf + size, "%s %10s\n", title[0], title[1]);
+
+	for (i = 0; i < PP_SMC_POWER_PROFILE_CUSTOM; i++)
+		size += sprintf(buf + size, "%3d %14s%s\n",
+				i, profile_name[i],
+				(i == hwmgr->power_profile_mode) ? "*" : " ");
+	return size;
+}
+
+static int smu10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uint32_t size)
+{
+	if (input[size] >= PP_SMC_POWER_PROFILE_CUSTOM)
+		return -EINVAL;
+
+	hwmgr->power_profile_mode = input[size];
+
+	smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ActiveProcessNotify,
+						1<<hwmgr->power_profile_mode);
+
+	return 0;
+}
+
 static const struct pp_hwmgr_func smu10_hwmgr_funcs = {
 	.backend_init = smu10_hwmgr_backend_init,
 	.backend_fini = smu10_hwmgr_backend_fini,
@@ -1200,6 +1240,8 @@ static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate)
 	.set_mmhub_powergating_by_smu = smu10_set_mmhub_powergating_by_smu,
 	.smus_notify_pwe = smu10_smus_notify_pwe,
 	.gfx_off_control = smu10_gfx_off_control,
+	.get_power_profile_mode = smu10_get_power_profile_mode,
+	.set_power_profile_mode = smu10_set_power_profile_mode,
 };
 
 int smu10_init_function_pointers(struct pp_hwmgr *hwmgr)
-- 
1.9.1