Hi Laurent,
On 12/11/17 04:28, Laurent Pinchart wrote:
> Hi Kieran,
>
> Thank you for the patch.
>
> On Wednesday, 20 September 2017 12:16:54 EET Kieran Bingham wrote:
>> When used as part of a display pipeline, the VSP is stopped and
>> restarted explicitly by the DU from its suspend and resume handlers.
>> There is thus no need to stop or restart pipelines in the VSP suspend
>> and resume handlers, and doing so would cause the hardware to be
>> left in a misconfigured state.
>>
>> Ensure that the VSP suspend and resume handlers do not affect DRM
>> based pipelines.
>
> s/DRM-base/DRM-based/
-ENOMATCH
>
>> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>> ---
>> drivers/media/platform/vsp1/vsp1_drv.c | 16 ++++++++++++++--
>> 1 file changed, 14 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/media/platform/vsp1/vsp1_drv.c
>> b/drivers/media/platform/vsp1/vsp1_drv.c index 962e4c304076..ed25ba9d551b
>> 100644
>> --- a/drivers/media/platform/vsp1/vsp1_drv.c
>> +++ b/drivers/media/platform/vsp1/vsp1_drv.c
>> @@ -571,7 +571,13 @@ static int __maybe_unused vsp1_pm_suspend(struct device
>> *dev) {
>> struct vsp1_device *vsp1 = dev_get_drvdata(dev);
>>
>> - vsp1_pipelines_suspend(vsp1);
>> + /*
>> + * When used as part of a display pipeline, the VSP is stopped and
>> + * restarted explicitly by the DU
>
> s/DU/DU./
>
>> + */
>> + if (!vsp1->drm)
>> + vsp1_pipelines_suspend(vsp1);
>> +
>> pm_runtime_force_suspend(vsp1->dev);
>>
>> return 0;
>> @@ -582,7 +588,13 @@ static int __maybe_unused vsp1_pm_resume(struct device
>> *dev) struct vsp1_device *vsp1 = dev_get_drvdata(dev);
>>
>> pm_runtime_force_resume(vsp1->dev);
>> - vsp1_pipelines_resume(vsp1);
>> +
>> + /*
>> + * When used as part of a display pipeline, the VSP is stopped and
>> + * restarted explicitly by the DU
>
> s/DU/DU./
>
> Apart from that,
>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Thanks,
I'll add the full-stops and repost a v2.1 with your RB tag.
>
>> + */
>> + if (!vsp1->drm)
>> + vsp1_pipelines_resume(vsp1);
>>
>> return 0;
>> }
>
