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| author | Dikshita Agarwal <quic_dikshita@quicinc.com> | 2025-02-07 13:24:48 +0530 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2025-02-07 11:51:18 +0100 |
| commit | bb8a95aa038e099f5ec82c466e996b006e05abd7 (patch) | |
| tree | d8808355ae7f8a6db92d81b9cf3a0e1a1dfe390d /drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c | |
| parent | media: iris: introduce host firmware interface with necessary hooks (diff) | |
| download | linux-bb8a95aa038e099f5ec82c466e996b006e05abd7.tar.gz linux-bb8a95aa038e099f5ec82c466e996b006e05abd7.zip | |
media: iris: implement power management
Implement runtime power management for iris, including a platform
specific power on/off sequence.
Tested-by: Stefan Schmidt <stefan.schmidt@linaro.org> # x1e80100 (Dell XPS 13 9345)
Reviewed-by: Stefan Schmidt <stefan.schmidt@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c')
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c index 07007d8812ba..b2e76d1dcbf7 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c @@ -56,10 +56,21 @@ static int iris_hfi_gen1_sys_interframe_powercollapse(struct iris_core *core) return ret; } +static int iris_hfi_gen1_sys_pc_prep(struct iris_core *core) +{ + struct hfi_sys_pc_prep_pkt pkt; + + pkt.hdr.size = sizeof(struct hfi_sys_pc_prep_pkt); + pkt.hdr.pkt_type = HFI_CMD_SYS_PC_PREP; + + return iris_hfi_queue_cmd_write_locked(core, &pkt, pkt.hdr.size); +} + static const struct iris_hfi_command_ops iris_hfi_gen1_command_ops = { .sys_init = iris_hfi_gen1_sys_init, .sys_image_version = iris_hfi_gen1_sys_image_version, .sys_interframe_powercollapse = iris_hfi_gen1_sys_interframe_powercollapse, + .sys_pc_prep = iris_hfi_gen1_sys_pc_prep, }; void iris_hfi_gen1_command_ops_init(struct iris_core *core) |