[PATCH 0/5] HDCP SRM interface
Harry Wentland
hwentlan at amd.com
Wed Jan 22 16:11:55 UTC 2020
On 2020-01-16 3:29 p.m., Bhawanpreet Lakha wrote:
> These patches adds support for SRM loading. By providing an interface to the
> usermode
>
> SRM has to be persistent and since the kernel cannot directly write to system
> storage we need to provide an interface so that the usermode can do it for us
>
We'll want to elaborate a bit more on why and how this is done. As
mentioned on my patch 2 comments I recommend to do this there as the
cover letter is lost after merge.
Harry
>
> Bhawanpreet Lakha (5):
> drm/amd/display: Pass amdgpu_device instead of psp_context
> drm/amd/display: update psp interface header
> drm/amd/display: Add sysfs interface for set/get srm
> drm/amd/display: Load srm before enabling HDCP
> drm/amd/display: call psp set/get interfaces
>
> .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
> .../amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 182 +++++++++++++++++-
> .../amd/display/amdgpu_dm/amdgpu_dm_hdcp.h | 9 +-
> .../drm/amd/display/modules/hdcp/hdcp_psp.h | 26 ++-
> 4 files changed, 212 insertions(+), 7 deletions(-)
>
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