This series adds audio support for DP on MSM chipsets. It leverages the hdmi-codec interface [1] to communicate between the Display Port driver and the audio subsystem. These changes depend on the series [2] which adds Display Port support to MSM chipsets.

[1] https://patchwork.kernel.org/project/dri-devel/list/?series=339847 [2] https://patchwork.kernel.org/project/dri-devel/list/?series=346391

changes in v2: - fix up a compilation issue on drm-next branch

changes in v3: - add support to synchronize DP driver and audio during shutdown

changes in v4: - rebase on top of latest patchset of dependency

changes in v5: - rebase on top of latest patchset of dependency - fix crash when trying to play audio in DP suspend state

Abhinav Kumar (5): drm/msm/dp: store dp_display in the driver data drm/msm/dp: add audio support for Display Port on MSM drm/msm/dp: add hook_plugged_cb hdmi-codec op for MSM DP driver drm/msm/dp: signal the hotplug disconnect in the event handler drm/msm/dp: wait for audio notification before disabling clocks

drivers/gpu/drm/msm/Makefile | 3 +- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 7 + drivers/gpu/drm/msm/dp/dp_audio.c | 638 ++++++++++++++++++++ drivers/gpu/drm/msm/dp/dp_audio.h | 72 +++ drivers/gpu/drm/msm/dp/dp_catalog.c | 192 ++++++ drivers/gpu/drm/msm/dp/dp_catalog.h | 29 + drivers/gpu/drm/msm/dp/dp_display.c | 138 ++++- drivers/gpu/drm/msm/dp/dp_display.h | 12 + 8 files changed, 1075 insertions(+), 16 deletions(-) create mode 100644 drivers/gpu/drm/msm/dp/dp_audio.c create mode 100644 drivers/gpu/drm/msm/dp/dp_audio.h