Re: [PATCH v1 11/15] drm/mediatek: add dummy buffer for RDMA memory mode

2018-08-02 Thread Stu Hsieh
Hi, CK: On Wed, 2018-07-25 at 13:42 +0800, CK Hu wrote: > Hi, Stu: > > On Tue, 2018-07-24 at 16:17 +0800, Stu Hsieh wrote: > > This patch add dummy buffer for RDMA memory mode > > > > When display power on, the drm frame work would modeset and > > set up the display HW. > > > > In this time,

Re: [PATCH v1 11/15] drm/mediatek: add dummy buffer for RDMA memory mode

2018-07-24 Thread CK Hu
Hi, Stu: On Tue, 2018-07-24 at 16:17 +0800, Stu Hsieh wrote: > This patch add dummy buffer for RDMA memory mode > > When display power on, the drm frame work would modeset and > set up the display HW. > > In this time, the RDMA would start wroking and read the data from memory. > But, user

[PATCH v1 11/15] drm/mediatek: add dummy buffer for RDMA memory mode

2018-07-24 Thread Stu Hsieh
This patch add dummy buffer for RDMA memory mode When display power on, the drm frame work would modeset and set up the display HW. In this time, the RDMA would start wroking and read the data from memory. But, user space not send the data to drm yet. For this case, if user space not send data