On 24-01-29 17:17:28, Dmitry Baryshkov wrote:
> On Mon, 29 Jan 2024 at 15:35, Abel Vesa <abel.vesa@xxxxxxxxxx> wrote:
> >
> > From: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
> >
> > The UEFI loads a lite variant of the ADSP firmware to support charging
> > use cases. The kernel needs to unload and reload it with the firmware
> > that has full feature support for audio. This patch arbitarily shutsdown
> > the lite firmware before loading the full firmware.
> >
> > Signed-off-by: Sibi Sankar <quic_sibis@xxxxxxxxxxx>
> > Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> > ---
> > drivers/remoteproc/qcom_q6v5_pas.c | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c
> > index 083d71f80e5c..4f6940368eb4 100644
> > --- a/drivers/remoteproc/qcom_q6v5_pas.c
> > +++ b/drivers/remoteproc/qcom_q6v5_pas.c
> > @@ -39,6 +39,7 @@ struct adsp_data {
> > const char *dtb_firmware_name;
> > int pas_id;
> > int dtb_pas_id;
> > + int lite_pas_id;
> > unsigned int minidump_id;
> > bool auto_boot;
> > bool decrypt_shutdown;
> > @@ -72,6 +73,7 @@ struct qcom_adsp {
> > const char *dtb_firmware_name;
> > int pas_id;
> > int dtb_pas_id;
> > + int lite_pas_id;
> > unsigned int minidump_id;
> > int crash_reason_smem;
> > bool decrypt_shutdown;
> > @@ -210,6 +212,10 @@ static int adsp_load(struct rproc *rproc, const struct firmware *fw)
> > /* Store firmware handle to be used in adsp_start() */
> > adsp->firmware = fw;
> >
> > + /* WIP: Shutdown the ADSP if it's running a lite version of the firmware*/
>
> Why is it still marked as WIP?
AFAIU, there was more to be done here w.r.t. preloaded lite version
firmware.
Later, was agreed that that is not case.
So maybe I just need to drop the comment.
Sibi, can you confirm?
>
> > + if (adsp->lite_pas_id)
> > + ret = qcom_scm_pas_shutdown(adsp->lite_pas_id);
> > +
> > if (adsp->dtb_pas_id) {
> > ret = request_firmware(&adsp->dtb_firmware, adsp->dtb_firmware_name, adsp->dev);
> > if (ret) {
> > @@ -693,6 +699,7 @@ static int adsp_probe(struct platform_device *pdev)
> > adsp->rproc = rproc;
> > adsp->minidump_id = desc->minidump_id;
> > adsp->pas_id = desc->pas_id;
> > + adsp->lite_pas_id = desc->lite_pas_id;
> > adsp->info_name = desc->sysmon_name;
> > adsp->decrypt_shutdown = desc->decrypt_shutdown;
> > adsp->region_assign_idx = desc->region_assign_idx;
> > @@ -990,6 +997,7 @@ static const struct adsp_data x1e80100_adsp_resource = {
> > .dtb_firmware_name = "adsp_dtb.mdt",
> > .pas_id = 1,
> > .dtb_pas_id = 0x24,
> > + .lite_pas_id = 0x1f,
> > .minidump_id = 5,
> > .auto_boot = true,
> > .proxy_pd_names = (char*[]){
> >
> > --
> > 2.34.1
> >
> >
>
>
> --
> With best wishes
> Dmitry
