[PATCH 1/2] drm/amd/pp: Add memory clock info display on Cz/St

[Deucher, Alexander]

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Rex Zhu <Rex.Zhu at amd.com>
Sent: Monday, January 8, 2018 4:57:30 AM
To: amd-gfx at lists.freedesktop.org
Cc: Zhu, Rex
Subject: [PATCH 1/2] drm/amd/pp: Add memory clock info display on Cz/St

show mclk info as in MHz on Cz/St as
0: 333Mhz *
1: 800Mhz

Change-Id: Ie5932ac81b15565edb154ec6c00b35a99ab52b73
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
index b83fe97..f68dd08 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
@@ -1584,6 +1584,7 @@ static int cz_force_clock_level(struct pp_hwmgr *hwmgr,
 static int cz_print_clock_levels(struct pp_hwmgr *hwmgr,
                 enum pp_clock_type type, char *buf)
 {
+       struct cz_hwmgr *data = (struct cz_hwmgr *)(hwmgr->backend);
         struct phm_clock_voltage_dependency_table *sclk_table =
                         hwmgr->dyn_state.vddc_dependency_on_sclk;
         int i, now, size = 0;
@@ -1601,6 +1602,18 @@ static int cz_print_clock_levels(struct pp_hwmgr *hwmgr,
                                         i, sclk_table->entries[i].clk / 100,
                                         (i == now) ? "*" : "");
                 break;
+       case PP_MCLK:
+               now = PHM_GET_FIELD(cgs_read_ind_register(hwmgr->device,
+                               CGS_IND_REG__SMC,
+                               ixTARGET_AND_CURRENT_PROFILE_INDEX),
+                               TARGET_AND_CURRENT_PROFILE_INDEX,
+                               CURR_MCLK_INDEX);
+
+               for (i = CZ_NUM_NBPMEMORYCLOCK; i > 0; i--)
+                       size += sprintf(buf + size, "%d: %uMhz %s\n",
+                                       CZ_NUM_NBPMEMORYCLOCK-i, data->sys_info.nbp_memory_clock[i-1] / 100,
+                                       (CZ_NUM_NBPMEMORYCLOCK-i == now) ? "*" : "");
+               break;
         default:
                 break;
         }
--
1.9.1

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