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VPU: pmu idle request before cru operation.

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pmu idle request before cru operation to ensure the hardware
don't be reset during runing. without this hardware maybe hang
up for bus access failure.

Signed-off-by: Alpha Lin <alpha.lin@rock-chips.com>
This commit is contained in:
Alpha Lin
2015-07-15 14:49:51 +08:00
parent 13b95ebabe
commit 2a9e6a67a2
1 changed files with 10 additions and 0 deletions
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10
arch/arm/mach-rockchip/vcodec_service.c
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@@ -779,6 +779,11 @@ static void vpu_put_clk(struct vpu_service_info *pservice)
static void vpu_reset(struct vpu_subdev_data *data)
{
struct vpu_service_info *pservice = data->pservice;
enum pmu_idle_req type = IDLE_REQ_VIDEO;
if (pservice->dev_id == VCODEC_DEVICE_ID_HEVC)
type = IDLE_REQ_HEVC;
pr_info("%s: resetting...", dev_name(pservice->dev));
#if defined(CONFIG_ARCH_RK29)
@@ -817,6 +822,9 @@ static void vpu_reset(struct vpu_subdev_data *data)
pr_info("for 3288/3368...");
#ifdef CONFIG_RESET_CONTROLLER
if (pservice->rst_a && pservice->rst_h) {
if (rockchip_pmu_ops.set_idle_request)
rockchip_pmu_ops.set_idle_request(type, true);
pr_info("reset in\n");
if (pservice->rst_v)
reset_control_assert(pservice->rst_v);
reset_control_assert(pservice->rst_a);
@@ -826,6 +834,8 @@ static void vpu_reset(struct vpu_subdev_data *data)
reset_control_deassert(pservice->rst_a);
if (pservice->rst_v)
reset_control_deassert(pservice->rst_v);
if (rockchip_pmu_ops.set_idle_request)
rockchip_pmu_ops.set_idle_request(type, false);
}
#endif