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path: root/drivers/misc/habanalabs/goya/goya_hwmgr.c
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Diffstat (limited to 'drivers/misc/habanalabs/goya/goya_hwmgr.c')
-rw-r--r--drivers/misc/habanalabs/goya/goya_hwmgr.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/goya/goya_hwmgr.c b/drivers/misc/habanalabs/goya/goya_hwmgr.c
index a2a700c3d597..b2ebc01e27f4 100644
--- a/drivers/misc/habanalabs/goya/goya_hwmgr.c
+++ b/drivers/misc/habanalabs/goya/goya_hwmgr.c
@@ -32,6 +32,37 @@ void goya_set_pll_profile(struct hl_device *hdev, enum hl_pll_frequency freq)
}
}
+int goya_get_clk_rate(struct hl_device *hdev, u32 *cur_clk, u32 *max_clk)
+{
+ long value;
+
+ if (hl_device_disabled_or_in_reset(hdev))
+ return -ENODEV;
+
+ value = hl_get_frequency(hdev, MME_PLL, false);
+
+ if (value < 0) {
+ dev_err(hdev->dev, "Failed to retrieve device max clock %ld\n",
+ value);
+ return value;
+ }
+
+ *max_clk = (value / 1000 / 1000);
+
+ value = hl_get_frequency(hdev, MME_PLL, true);
+
+ if (value < 0) {
+ dev_err(hdev->dev,
+ "Failed to retrieve device current clock %ld\n",
+ value);
+ return value;
+ }
+
+ *cur_clk = (value / 1000 / 1000);
+
+ return 0;
+}
+
static ssize_t mme_clk_show(struct device *dev, struct device_attribute *attr,
char *buf)
{