drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_voltage

[ Upstream commit 1064ad4aeef94f51ca230ac639a9e996fb7867a0 ]

Cull out 0 clocks to avoid a warning in DC.

Bug: https://gitlab.freedesktop.org/drm/amd/issues/963
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index 3fa6e81..48e3171 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -1048,9 +1048,11 @@ static int smu10_get_clock_by_type_with_voltage(struct pp_hwmgr *hwmgr,
 
        clocks->num_levels = 0;
        for (i = 0; i < pclk_vol_table->count; i++) {
-               clocks->data[i].clocks_in_khz = pclk_vol_table->entries[i].clk  * 10;
-               clocks->data[i].voltage_in_mv = pclk_vol_table->entries[i].vol;
-               clocks->num_levels++;
+               if (pclk_vol_table->entries[i].clk) {
+                       clocks->data[clocks->num_levels].clocks_in_khz = pclk_vol_table->entries[i].clk  * 10;
+                       clocks->data[clocks->num_levels].voltage_in_mv = pclk_vol_table->entries[i].vol;
+                       clocks->num_levels++;
+               }
        }
 
        return 0;