Re: [PATCH 0/7] Secure display with new CRTC properties

2023-06-09 Thread Liu, HaoPing (Alan)
On 2023/5/25 下午 04:50, Jani Nikula wrote: On Wed, 24 May 2023, Simon Ser wrote: On Tuesday, May 16th, 2023 at 07:39, Alan Liu wrote: To address this problem, since modern display control hardware is able to calculate the CRC checksum of the display content, we are thinking of a feature to

Re: [PATCH 0/7] Secure display with new CRTC properties

2023-05-25 Thread Jani Nikula
On Wed, 24 May 2023, Simon Ser wrote: > On Tuesday, May 16th, 2023 at 07:39, Alan Liu wrote: > >> To address this problem, since modern display control hardware is able to >> calculate the CRC checksum of the display content, we are thinking of a >> feature to let userspace specify a region of in

Re: [PATCH 0/7] Secure display with new CRTC properties

2023-05-24 Thread Simon Ser
On Tuesday, May 16th, 2023 at 07:39, Alan Liu wrote: > To address this problem, since modern display control hardware is able to > calculate the CRC checksum of the display content, we are thinking of a > feature to let userspace specify a region of interest (ROI) on display, and > we can utilize

[PATCH 0/7] Secure display with new CRTC properties

2023-05-15 Thread Alan Liu
Dear DRM development community, We'd like to introduce the implementation of the new crtc properties. First of all, please let me introduce the problem we try to address. With the popularity of electric vehicles, the car vendors have increasing requirement for ensuring the integrity of the crit