We were seeing a blank screen whenever Type1 content was played. This was due to extra timing which was taken as we had moved to remote read and writes previously for MST scenario, which in turn was done as we were not able to do direct read and writes to the immediate downstream device. The correct flow should be that we talk only to the immediate downstream device and the rest needs to be taken care by that device. With this patch series we move back to direct reads and writes, fix the fastset setting because of which direct reads and writes to HDCP related DPCD register stopped working, derive hdcp structure correctly and increase robustability if rxcaps HDCP capability reporting. Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx> Suraj Kandpal (12): drm/i915/hdcp: Move to direct reads for HDCP drm/i915/hdcp: Move source hdcp2 checks into its own function drm/i915/hdcp: Refactor intel_dp_hdcp2_capable drm/i915/hdcp: Pass drm_dp_aux to read_bcaps function drm/i915/hdcp: Rename hdcp capable functions drm/i915/hdcp: Add new remote capability check shim function drm/i915/hdcp: HDCP Capability for the downstream device drm/i915/hdcp: Remove additional timing for reading mst hdcp message drm/i915/hdcp: Extract hdcp structure from correct connector drm/i915/hdcp: Don't enable HDCP directly from check_link drm/i915/hdcp: Allocate stream id after HDCP AKE stage drm/i915/hdcp: Read Rxcaps for robustibility .../drm/i915/display/intel_display_debugfs.c | 21 +- .../drm/i915/display/intel_display_types.h | 12 +- drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 137 +++++++----- drivers/gpu/drm/i915/display/intel_hdcp.c | 207 +++++++++--------- drivers/gpu/drm/i915/display/intel_hdcp.h | 7 +- drivers/gpu/drm/i915/display/intel_hdmi.c | 6 +- 6 files changed, 222 insertions(+), 168 deletions(-) -- 2.25.1
