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Subject[PATCH AUTOSEL 5.5 530/542] drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_voltage
Date
From: Alex Deucher <alexander.deucher@amd.com>

[ 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>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index 627a42e8fd318..fed3fc4bb57a9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -1080,9 +1080,11 @@ 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;
--
2.20.1
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