These patches adds support for SRM loading. SRM has to be saved in a non-volatile memory(spec) and PSP can't do that directly so we need to use the driver to do this
Since the kernel cannot directly write to system storage we need to provide an interface so that the usermode can do it for us
v2 -update commit descriptions drm/amd/display: Add sysfs interface for set/get srm drm/amd/display: update psp interface header -update comment for sysfs drm/amd/display: Add sysfs interface for set/get srm -use define instead of a magic number drm/amd/display: call psp set/get interfaces
Bhawanpreet Lakha (6): 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 drm/amd/display: REFERENCE for srm interface patches
REFERENCE | 49 ++++ .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- .../amd/display/amdgpu_dm/amdgpu_dm_hdcp.c | 238 +++++++++++++++++- .../amd/display/amdgpu_dm/amdgpu_dm_hdcp.h | 9 +- .../drm/amd/display/modules/hdcp/hdcp_psp.h | 26 +- 5 files changed, 317 insertions(+), 7 deletions(-) create mode 100644 REFERENCE