diff options
| author | Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com> | 2023-10-28 16:34:15 +0300 |
|---|---|---|
| committer | Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> | 2023-10-30 13:06:13 +0300 |
| commit | 3198a62eb8f8411b605501cb78c2298c67ecee91 (patch) | |
| tree | dee56a851acfd7688dec75dcd7b4e8a6d416e987 /drivers/accel/ivpu/ivpu_drv.h | |
| parent | cc19fedab8bdbe0f81d320ff9a6fdb3b5b01be83 (diff) | |
| download | linux-3198a62eb8f8411b605501cb78c2298c67ecee91.tar.xz | |
accel/ivpu: Add support for delayed D0i3 entry message
Currently the VPU firmware prepares for D0i3 every time the VPU
is entering D0i2 Idle state. This is not optimal as we might not
enter D0i3 every time we enter D0i2 Idle and this preparation
is quite costly.
This optimization moves D0i3 preparation to a dedicated
message sent from the host driver only when the driver is about
to enter D0i3 - this reduces power consumption and latency for
certain workloads, for example audio workloads that submit
inference every 10 ms.
The VPU needs non zero time to enter IDLE state after responding to
D0i3 entry message. If the driver does not wait for the VPU to enter
IDLE state it could cause warm boot failures.
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028133415.1169975-12-stanislaw.gruszka@linux.intel.com
Diffstat (limited to 'drivers/accel/ivpu/ivpu_drv.h')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h index ada43ba565c4..1b482d1d66d9 100644 --- a/drivers/accel/ivpu/ivpu_drv.h +++ b/drivers/accel/ivpu/ivpu_drv.h @@ -87,6 +87,7 @@ struct ivpu_wa_table { bool d3hot_after_power_off; bool interrupt_clear_with_0; bool disable_clock_relinquish; + bool disable_d0i3_msg; }; struct ivpu_hw_info; @@ -125,6 +126,7 @@ struct ivpu_device { int tdr; int reschedule_suspend; int autosuspend; + int d0i3_entry_msg; } timeout; }; @@ -147,9 +149,11 @@ extern u8 ivpu_pll_min_ratio; extern u8 ivpu_pll_max_ratio; extern bool ivpu_disable_mmu_cont_pages; -#define IVPU_TEST_MODE_FW_TEST BIT(0) -#define IVPU_TEST_MODE_NULL_HW BIT(1) -#define IVPU_TEST_MODE_NULL_SUBMISSION BIT(2) +#define IVPU_TEST_MODE_FW_TEST BIT(0) +#define IVPU_TEST_MODE_NULL_HW BIT(1) +#define IVPU_TEST_MODE_NULL_SUBMISSION BIT(2) +#define IVPU_TEST_MODE_D0I3_MSG_DISABLE BIT(4) +#define IVPU_TEST_MODE_D0I3_MSG_ENABLE BIT(5) extern int ivpu_test_mode; struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv); |