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media: venus: firmware: Ignore secure call error on first resume

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commit 2632e7b618a7730969f9782593c29ca53553aa22 upstream.

With the latest cleanup in qcom scm driver the secure monitor
call for setting the remote processor state returns EINVAL when
it is called for the first time and after another scm call
auth_and_reset. The error returned from scm call could be ignored
because the state transition is already done in auth_and_reset.

Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stanimir Varbanov 2020-03-04 11:09:49 +01:00 • committed by Greg Kroah-Hartman
commit 7ac962c5b7
1 changed files with 8 additions and 2 deletions
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10
drivers/media/platform/qcom/venus/firmware.c
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@ -44,8 +44,14 @@ static void venus_reset_cpu(struct venus_core *core)
int venus_set_hw_state(struct venus_core *core, bool resume)
{
if (core->use_tz)
return qcom_scm_set_remote_state(resume, 0);
int ret;
if (core->use_tz) {
ret = qcom_scm_set_remote_state(resume, 0);
if (resume && ret == -EINVAL)
ret = 0;
return ret;
}
if (resume)
venus_reset_cpu(core);