* [PATCH v5 0/5] Add audio support for MSM DisplayPort driver
@ 2020-09-10 19:07 Abhinav Kumar
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From: Abhinav Kumar @ 2020-09-10 19:07 UTC (permalink / raw)
To: dri-devel
Cc: Abhinav Kumar, linux-arm-msm, robdclark, seanpaul, swboyd,
nganji, aravindh, tanmay, cychiang, khsieh, vsujithk, rohitkr
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
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