From 62ebb46996ba2eeb713aff52ec96c5d15f500d33 Mon Sep 17 00:00:00 2001 From: Ming Qian Date: Tue, 17 May 2022 09:01:16 +0100 Subject: [PATCH] media: amphion: support for reloading module As there is no interface to power off vpu core. So it need to boot from cold on first load. but on the second load, driver need to restore the status instead of booting. Signed-off-by: Ming Qian Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/amphion/vpu_core.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/amphion/vpu_core.c b/drivers/media/platform/amphion/vpu_core.c index 68ad183925fdb..3cca7ae2355d0 100644 --- a/drivers/media/platform/amphion/vpu_core.c +++ b/drivers/media/platform/amphion/vpu_core.c @@ -257,14 +257,8 @@ static int vpu_core_register(struct device *dev, struct vpu_core *core) } list_add_tail(&core->list, &vpu->cores); - vpu_core_get_vpu(core); - if (vpu_iface_get_power_state(core)) - ret = vpu_core_restore(core); - if (ret) - goto error; - return 0; error: if (core->msg_buffer) { @@ -362,7 +356,10 @@ struct vpu_core *vpu_request_core(struct vpu_dev *vpu, enum vpu_core_type type) pm_runtime_resume_and_get(core->dev); if (core->state == VPU_CORE_DEINIT) { - ret = vpu_core_boot(core, true); + if (vpu_iface_get_power_state(core)) + ret = vpu_core_restore(core); + else + ret = vpu_core_boot(core, true); if (ret) { pm_runtime_put_sync(core->dev); mutex_unlock(&core->lock); -- 2.39.5