[PATCH v7 0/9] drm: cec: convert DRM drivers to the new notifier API
narmstrong at baylibre.com
Mon Aug 19 14:48:49 UTC 2019
Hi Dariusz, Hans,
I can apply the dw-hdmi patches if necessary.
On 19/08/2019 11:38, Hans Verkuil wrote:
> Hi all,
> The patches in this series can be applied independently from each other.
> If you maintain one of these drivers and you want to merge it for v5.4
> yourself, then please do so and let me know. If you prefer I commit it
> to drm-misc, then please review and (hopefully) Ack the patch.
> I would really like to get this in for v5.4 so I can get the userspace
> bits in for v5.4 as well through the media subsystem.
> Dariusz, can you post a v7.1 for patch 5/9 fixing the typo?
> On 8/14/19 12:44 PM, Dariusz Marcinkiewicz wrote:
>> This series updates DRM drivers to use new CEC notifier API.
>> Changes since v6:
>> Made CEC notifiers' registration and de-registration symmetric
>> in tda998x and dw-hdmi drivers. Also, accidentally dropped one
>> patch in v6 (change to drm_dp_cec), brought it back now.
>> Changes since v5:
>> Fixed a warning about a missing comment for a new member of
>> drm_dp_aux_cec struct. Sending to a wider audience,
>> including maintainers of respective drivers.
>> Changes since v4:
>> Addressing review comments.
>> Changes since v3:
>> Updated adapter flags in dw-hdmi-cec.
>> Changes since v2:
>> Include all DRM patches from "cec: improve notifier support,
>> add connector info connector info" series.
>> Changes since v1:
>> Those patches delay creation of notifiers until respective
>> connectors are constructed. It seems that those patches, for a
>> couple of drivers, by adding the delay, introduce a race between
>> notifiers' creation and the IRQs handling threads - at least I
>> don't see anything obvious in there that would explicitly forbid
>> such races to occur. v2 adds a write barrier to make sure IRQ
>> threads see the notifier once it is created (replacing the
>> WRITE_ONCE I put in v1). The best thing to do here, I believe,
>> would be not to have any synchronization and make sure that an IRQ
>> only gets enabled after the notifier is created.
>> Dariusz Marcinkiewicz (9):
>> drm_dp_cec: add connector info support.
>> drm/i915/intel_hdmi: use cec_notifier_conn_(un)register
>> dw-hdmi-cec: use cec_notifier_cec_adap_(un)register
>> tda9950: use cec_notifier_cec_adap_(un)register
>> drm: tda998x: use cec_notifier_conn_(un)register
>> drm: sti: use cec_notifier_conn_(un)register
>> drm: tegra: use cec_notifier_conn_(un)register
>> drm: dw-hdmi: use cec_notifier_conn_(un)register
>> drm: exynos: exynos_hdmi: use cec_notifier_conn_(un)register
>> .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +-
>> drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c | 13 +++---
>> drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 46 +++++++++++++------
>> drivers/gpu/drm/drm_dp_cec.c | 25 ++++++----
>> drivers/gpu/drm/exynos/exynos_hdmi.c | 31 +++++++------
>> drivers/gpu/drm/i2c/tda9950.c | 12 ++---
>> drivers/gpu/drm/i2c/tda998x_drv.c | 36 ++++++++++-----
>> drivers/gpu/drm/i915/display/intel_dp.c | 4 +-
>> drivers/gpu/drm/i915/display/intel_hdmi.c | 13 ++++--
>> drivers/gpu/drm/nouveau/nouveau_connector.c | 3 +-
>> drivers/gpu/drm/sti/sti_hdmi.c | 19 +++++---
>> drivers/gpu/drm/tegra/output.c | 28 ++++++++---
>> include/drm/drm_dp_helper.h | 17 ++++---
>> 13 files changed, 155 insertions(+), 94 deletions(-)
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