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

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);