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media: venus: hfi_venus: add suspend functionality for Venus 4xx

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This adds suspend (power collapse) functionality by reusing
the suspend function for Venus 3xx and also enables idle indicator
property for Venus 4xx (where it is disabled by default).

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Stanimir Varbanov 2018-07-05 09:03:44 -04:00 committed by Mauro Carvalho Chehab
parent 4dde81d720
commit 17cd3d1d2e
1 changed files with 9 additions and 1 deletions
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10
drivers/media/platform/qcom/venus/hfi_venus.c
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@ -879,6 +879,14 @@ static int venus_sys_set_default_properties(struct venus_hfi_device *hdev)
if (ret)
dev_warn(dev, "setting fw debug msg ON failed (%d)\n", ret);
/*
* Idle indicator is disabled by default on some 4xx firmware versions,
* enable it explicitly in order to make suspend functional by checking
* WFI (wait-for-interrupt) bit.
*/
if (IS_V4(hdev->core))
venus_sys_idle_indicator = true;
ret = venus_sys_set_idle_message(hdev, venus_sys_idle_indicator);
if (ret)
dev_warn(dev, "setting idle response ON failed (%d)\n", ret);
@ -1533,7 +1541,7 @@ static int venus_suspend_3xx(struct venus_core *core)
static int venus_suspend(struct venus_core *core)
{
if (core->res->hfi_version == HFI_VERSION_3XX)
if (IS_V3(core) || IS_V4(core))
return venus_suspend_3xx(core);
return venus_suspend_1xx(core);