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Undervolt: Lower CPU & GPU voltage

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Signed-off-by: MOVZX <movzx@yahoo.com>
This commit is contained in:
MOVZX
2025-12-07 19:39:40 +07:00
parent 1e9bfe5a46
commit b0428f99ae
2 changed files with 27 additions and 0 deletions
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26
drivers/clk/qcom/clk-cpu-osm.c
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@@ -1012,6 +1012,32 @@ static int clk_osm_read_lut(struct platform_device *pdev, struct clk_osm *c)
j = i;
}
// Big Cluster CPU Undervolt
if (c->cluster_num == 2) {
int uv_offset = 15; // -15mV
for (i = 0; i < c->osm_table_size; i++) {
if (c->osm_table[i].open_loop_volt > 500) {
c->osm_table[i].open_loop_volt -= uv_offset;
}
}
pr_info("[CPU-UV]: Applied -%d voltage offset to Performance Cluster\n", uv_offset);
}
// Little Cluster CPU Undervolt
if (c->cluster_num == 1) {
int silver_offset = 10; // -10mV
for (i = 0; i < c->osm_table_size; i++) {
if (c->osm_table[i].open_loop_volt > 500) {
c->osm_table[i].open_loop_volt -= silver_offset;
}
}
pr_info("[CPU-UV]: Applied -%d voltage offset to Power Cluster\n", silver_offset);
}
osm_clks_init[c->cluster_num].rate_max = devm_kcalloc(&pdev->dev,
j, sizeof(unsigned long),
GFP_KERNEL);

1
drivers/clk/qcom/gpucc-sdmmagpie.c
View File

@@ -314,6 +314,7 @@ static struct clk_rcg2 gpu_cc_gx_gfx3d_clk_src = {
[VDD_GX_LOW_L1] = 430000000,
[VDD_GX_NOMINAL] = 565000000,
[VDD_GX_NOMINAL_L1] = 650000000,
[VDD_GX_NOMINAL_L1] = 750000000, // GPU Undervolt
[VDD_GX_HIGH] = 800000000,
[VDD_GX_HIGH_L1] = 825000000},
},