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| author | Karol Wachowski <karol.wachowski@linux.intel.com> | 2025-10-01 12:43:22 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-18 14:02:26 +0100 |
| commit | ec6ca941783a96c2b4217b5d511c2f675e0f8b44 (patch) | |
| tree | f6ea577d7e567149dbe5182b480d27ea1ad206f9 /drivers/accel | |
| parent | c9ef5ccd8bd9bcf598b6d3f77e7eb4dde7149aec (diff) | |
| download | linux-ec6ca941783a96c2b4217b5d511c2f675e0f8b44.tar.gz linux-ec6ca941783a96c2b4217b5d511c2f675e0f8b44.tar.bz2 linux-ec6ca941783a96c2b4217b5d511c2f675e0f8b44.zip | |
accel/ivpu: Fix DCT active percent format
[ Upstream commit aa1c2b073ad23847dd2e7bdc7d30009f34ed7f59 ]
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")
Reviewed-by: Lizhi Hou <lizhi.hou@amd.com>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://lore.kernel.org/r/20251001104322.1249896-1-karol.wachowski@linux.intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/accel')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw_btrs.c | 2 | ||||
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw_btrs.h | 2 | ||||
| -rw-r--r-- | 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 475ddc94f1cf..457ccf09df54 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); + } + } |