On Tue, May 15, 2018 at 5:12 PM Stanimir Varbanov <
stanimir.varbanov@xxxxxxxxxx> wrote:
> Add AXI halt support for version 4xx by using venus wrapper
> registers.
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
> ---
> drivers/media/platform/qcom/venus/hfi_venus.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
> diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c
b/drivers/media/platform/qcom/venus/hfi_venus.c
> index 734ce11b0ed0..53546174aab8 100644
> --- a/drivers/media/platform/qcom/venus/hfi_venus.c
> +++ b/drivers/media/platform/qcom/venus/hfi_venus.c
> @@ -532,6 +532,23 @@ static int venus_halt_axi(struct venus_hfi_device
*hdev)
> u32 val;
> int ret;
> + if (hdev->core->res->hfi_version == HFI_VERSION_4XX) {
> + val = venus_readl(hdev, WRAPPER_CPU_AXI_HALT);
> + val |= BIT(16);
Can we have the bit defined?
> + venus_writel(hdev, WRAPPER_CPU_AXI_HALT, val);
> +
> + ret = readl_poll_timeout(base +
WRAPPER_CPU_AXI_HALT_STATUS,
> + val, val & BIT(24),
Ditto.
Best regards,
Tomasz
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