The pcode MAILBOX STATUS register PARAM2 field expects DCT active
percent in U1.7 value format. Convert percentage value to this
format before writing to the register.
Fixes: a19bffb10c46 ("accel/ivpu: Implement DCT handling")
Signed-off-by: Karol Wachowski <[email protected]>
---
drivers/accel/ivpu/ivpu_hw_btrs.c | 2 +-
drivers/accel/ivpu/ivpu_hw_btrs.h | 2 +-
drivers/accel/ivpu/ivpu_pm.c | 9 +++++++--
3 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_hw_btrs.c
b/drivers/accel/ivpu/ivpu_hw_btrs.c
index afdb3b2aa72a..aa33f562d29c 100644
--- a/drivers/accel/ivpu/ivpu_hw_btrs.c
+++ b/drivers/accel/ivpu/ivpu_hw_btrs.c
@@ -752,7 +752,7 @@ int ivpu_hw_btrs_dct_get_request(struct ivpu_device *vdev,
bool *enable)
}
}
-void ivpu_hw_btrs_dct_set_status(struct ivpu_device *vdev, bool enable, u32
active_percent)
+void ivpu_hw_btrs_dct_set_status(struct ivpu_device *vdev, bool enable, u8
active_percent)
{
u32 val = 0;
u32 cmd = enable ? DCT_ENABLE : DCT_DISABLE;
diff --git a/drivers/accel/ivpu/ivpu_hw_btrs.h
b/drivers/accel/ivpu/ivpu_hw_btrs.h
index 032c384ac3d4..c4c10e22f30f 100644
--- a/drivers/accel/ivpu/ivpu_hw_btrs.h
+++ b/drivers/accel/ivpu/ivpu_hw_btrs.h
@@ -36,7 +36,7 @@ u32 ivpu_hw_btrs_dpu_freq_get(struct ivpu_device *vdev);
bool ivpu_hw_btrs_irq_handler_mtl(struct ivpu_device *vdev, int irq);
bool ivpu_hw_btrs_irq_handler_lnl(struct ivpu_device *vdev, int irq);
int ivpu_hw_btrs_dct_get_request(struct ivpu_device *vdev, bool *enable);
-void ivpu_hw_btrs_dct_set_status(struct ivpu_device *vdev, bool enable, u32
active_percent);
+void ivpu_hw_btrs_dct_set_status(struct ivpu_device *vdev, bool enable, u8
active_percent);
u32 ivpu_hw_btrs_telemetry_offset_get(struct ivpu_device *vdev);
u32 ivpu_hw_btrs_telemetry_size_get(struct ivpu_device *vdev);
u32 ivpu_hw_btrs_telemetry_enable_get(struct ivpu_device *vdev);
diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c
index 7514f580eef4..63c95307faa1 100644
--- a/drivers/accel/ivpu/ivpu_pm.c
+++ b/drivers/accel/ivpu/ivpu_pm.c
@@ -502,6 +502,11 @@ void ivpu_pm_irq_dct_work_fn(struct work_struct *work)
else
ret = ivpu_pm_dct_disable(vdev);
- if (!ret)
- ivpu_hw_btrs_dct_set_status(vdev, enable,
vdev->pm->dct_active_percent);
+ if (!ret) {
+ /* Convert percent to U1.7 format */
+ u8 val = DIV_ROUND_CLOSEST(vdev->pm->dct_active_percent * 128,
100);
+
+ ivpu_hw_btrs_dct_set_status(vdev, enable, val);
+ }
+
}
--
2.43.0
