[PATCH 1/2] drm/amd/pm: Avoid writing nulls into `pp_od_clk_voltage` (SMU11)

[Ilya Zlobintsev]

Signed-off-by: Ilya Zlobintsev <ilya.zlobint...@gmail.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index 31c2c0386b1f..774283ac7827 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -1281,7 +1281,7 @@ static int sienna_cichlid_print_clk_levels(struct 
smu_context *smu,
        struct smu_11_0_7_overdrive_table *od_settings = smu->od_settings;
        OverDriveTable_t *od_table =
                (OverDriveTable_t *)table_context->overdrive_table;
-       int i, size = 0, ret = 0;
+       int i, size = 0, ret = 0, start_offset = 0;
        uint32_t cur_value = 0, value = 0, count = 0;
        uint32_t freq_values[3] = {0};
        uint32_t mark_index = 0;
@@ -1289,6 +1289,7 @@ static int sienna_cichlid_print_clk_levels(struct 
smu_context *smu,
        uint32_t min_value, max_value;
 
        smu_cmn_get_sysfs_buf(&buf, &size);
+       start_offset = size;
 
        switch (clk_type) {
        case SMU_GFXCLK:
@@ -1434,7 +1435,7 @@ static int sienna_cichlid_print_clk_levels(struct 
smu_context *smu,
        }
 
 print_clk_out:
-       return size;
+       return size - start_offset;
 }
 
 static int sienna_cichlid_force_clk_levels(struct smu_context *smu,
-- 
2.51.0