From: Douglas Anderson <dianders@chromium.org> To: Jiri Kosina <jikos@kernel.org>, Benjamin Tissoires <benjamin.tissoires@redhat.com>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Herring <robh+dt@kernel.org>, Frank Rowand <frowand.list@gmail.com>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Neil Armstrong <neil.armstrong@linaro.org>, Sam Ravnborg <sam@ravnborg.org>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de> Cc: dri-devel@lists.freedesktop.org, Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-input@vger.kernel.org, Daniel Vetter <daniel@ffwll.ch>, linux-kernel@vger.kernel.org, hsinyi@google.com, cros-qcom-dts-watchers@chromium.org, devicetree@vger.kernel.org, yangcong5@huaqin.corp-partner.google.com, linux-arm-msm@vger.kernel.org, Chris Morgan <macroalpha82@gmail.com>, Douglas Anderson <dianders@chromium.org> Subject: [PATCH v2 00/10] drm/panel and i2c-hid: Allow panels and touchscreens to power sequence together Date: Wed, 7 Jun 2023 14:49:22 -0700 [thread overview] Message-ID: <20230607215224.2067679-1-dianders@chromium.org> (raw) The big motivation for this patch series is mostly described in the patch ("drm/panel: Add a way for other devices to follow panel state"), but to quickly summarize here: for touchscreens that are connected to a panel we need the ability to power sequence the two device together. This is not a new need, but so far we've managed to get by through a combination of inefficiency, added costs, or perhaps just a little bit of brokenness. It's time to do better. This patch series allows us to do better. Assuming that people think this patch series looks OK, we'll have to figure out the right way to land it. The panel patches and i2c-hid patches will go through very different trees and so either we'll need an Ack from one side or the other or someone to create a tag for the other tree to pull in. This will _probably_ require the true drm-misc maintainers to get involved, not a lowly committer. ;-) Version 2 of this patch series doesn't change too much. At a high level: * I added all the forgotten "static" to functions. * I've hopefully made the bindings better. * I've integrated into fw_devlink. * I cleaned up a few descriptions / comments. This still needs someone to say that the idea looks OK or to suggest an alternative that solves the problems. ;-) Changes in v2: - Move the description to the generic touchscreen.yaml. - Update the desc to make it clearer it's only for integrated devices. - Add even more text to the commit message. - A few comment cleanups. - ("Add a devlink for panel followers") new for v2. - i2c_hid_core_initial_power_up() is now static. - i2c_hid_core_panel_prepared() and ..._unpreparing() are now static. - ihid_core_panel_prepare_work() is now static. - Improve documentation for smp_wmb(). Douglas Anderson (10): dt-bindings: HID: i2c-hid: Add "panel" property to i2c-hid backed touchscreens drm/panel: Check for already prepared/enabled in drm_panel drm/panel: Add a way for other devices to follow panel state of: property: fw_devlink: Add a devlink for panel followers HID: i2c-hid: Switch to SYSTEM_SLEEP_PM_OPS() HID: i2c-hid: Rearrange probe() to power things up later HID: i2c-hid: Make suspend and resume into helper functions HID: i2c-hid: Support being a panel follower HID: i2c-hid: Do panel follower work on the system_wq arm64: dts: qcom: sc7180: Link trogdor touchscreens to the panels .../bindings/input/elan,ekth6915.yaml | 5 + .../bindings/input/goodix,gt7375p.yaml | 5 + .../bindings/input/hid-over-i2c.yaml | 2 + .../input/touchscreen/touchscreen.yaml | 7 + .../boot/dts/qcom/sc7180-trogdor-coachz.dtsi | 1 + .../dts/qcom/sc7180-trogdor-homestar.dtsi | 1 + .../boot/dts/qcom/sc7180-trogdor-lazor.dtsi | 1 + .../boot/dts/qcom/sc7180-trogdor-pompom.dtsi | 1 + .../qcom/sc7180-trogdor-quackingstick.dtsi | 1 + .../dts/qcom/sc7180-trogdor-wormdingler.dtsi | 1 + drivers/gpu/drm/drm_panel.c | 196 +++++++++- drivers/hid/i2c-hid/i2c-hid-core.c | 338 +++++++++++++----- drivers/of/property.c | 2 + include/drm/drm_panel.h | 89 +++++ 14 files changed, 555 insertions(+), 95 deletions(-) -- 2.41.0.162.gfafddb0af9-goog
WARNING: multiple messages have this Message-ID (diff)
From: Douglas Anderson <dianders@chromium.org> To: Jiri Kosina <jikos@kernel.org>, Benjamin Tissoires <benjamin.tissoires@redhat.com>, Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>, Rob Herring <robh+dt@kernel.org>, Frank Rowand <frowand.list@gmail.com>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Neil Armstrong <neil.armstrong@linaro.org>, Sam Ravnborg <sam@ravnborg.org>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de> Cc: Douglas Anderson <dianders@chromium.org>, devicetree@vger.kernel.org, cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, yangcong5@huaqin.corp-partner.google.com, Dmitry Torokhov <dmitry.torokhov@gmail.com>, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Chris Morgan <macroalpha82@gmail.com>, linux-input@vger.kernel.org, hsinyi@google.com Subject: [PATCH v2 00/10] drm/panel and i2c-hid: Allow panels and touchscreens to power sequence together Date: Wed, 7 Jun 2023 14:49:22 -0700 [thread overview] Message-ID: <20230607215224.2067679-1-dianders@chromium.org> (raw) The big motivation for this patch series is mostly described in the patch ("drm/panel: Add a way for other devices to follow panel state"), but to quickly summarize here: for touchscreens that are connected to a panel we need the ability to power sequence the two device together. This is not a new need, but so far we've managed to get by through a combination of inefficiency, added costs, or perhaps just a little bit of brokenness. It's time to do better. This patch series allows us to do better. Assuming that people think this patch series looks OK, we'll have to figure out the right way to land it. The panel patches and i2c-hid patches will go through very different trees and so either we'll need an Ack from one side or the other or someone to create a tag for the other tree to pull in. This will _probably_ require the true drm-misc maintainers to get involved, not a lowly committer. ;-) Version 2 of this patch series doesn't change too much. At a high level: * I added all the forgotten "static" to functions. * I've hopefully made the bindings better. * I've integrated into fw_devlink. * I cleaned up a few descriptions / comments. This still needs someone to say that the idea looks OK or to suggest an alternative that solves the problems. ;-) Changes in v2: - Move the description to the generic touchscreen.yaml. - Update the desc to make it clearer it's only for integrated devices. - Add even more text to the commit message. - A few comment cleanups. - ("Add a devlink for panel followers") new for v2. - i2c_hid_core_initial_power_up() is now static. - i2c_hid_core_panel_prepared() and ..._unpreparing() are now static. - ihid_core_panel_prepare_work() is now static. - Improve documentation for smp_wmb(). Douglas Anderson (10): dt-bindings: HID: i2c-hid: Add "panel" property to i2c-hid backed touchscreens drm/panel: Check for already prepared/enabled in drm_panel drm/panel: Add a way for other devices to follow panel state of: property: fw_devlink: Add a devlink for panel followers HID: i2c-hid: Switch to SYSTEM_SLEEP_PM_OPS() HID: i2c-hid: Rearrange probe() to power things up later HID: i2c-hid: Make suspend and resume into helper functions HID: i2c-hid: Support being a panel follower HID: i2c-hid: Do panel follower work on the system_wq arm64: dts: qcom: sc7180: Link trogdor touchscreens to the panels .../bindings/input/elan,ekth6915.yaml | 5 + .../bindings/input/goodix,gt7375p.yaml | 5 + .../bindings/input/hid-over-i2c.yaml | 2 + .../input/touchscreen/touchscreen.yaml | 7 + .../boot/dts/qcom/sc7180-trogdor-coachz.dtsi | 1 + .../dts/qcom/sc7180-trogdor-homestar.dtsi | 1 + .../boot/dts/qcom/sc7180-trogdor-lazor.dtsi | 1 + .../boot/dts/qcom/sc7180-trogdor-pompom.dtsi | 1 + .../qcom/sc7180-trogdor-quackingstick.dtsi | 1 + .../dts/qcom/sc7180-trogdor-wormdingler.dtsi | 1 + drivers/gpu/drm/drm_panel.c | 196 +++++++++- drivers/hid/i2c-hid/i2c-hid-core.c | 338 +++++++++++++----- drivers/of/property.c | 2 + include/drm/drm_panel.h | 89 +++++ 14 files changed, 555 insertions(+), 95 deletions(-) -- 2.41.0.162.gfafddb0af9-goog
next reply other threads:[~2023-06-07 21:53 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-06-07 21:49 Douglas Anderson [this message] 2023-06-07 21:49 ` [PATCH v2 00/10] drm/panel and i2c-hid: Allow panels and touchscreens to power sequence together Douglas Anderson 2023-06-07 21:49 ` [PATCH v2 01/10] dt-bindings: HID: i2c-hid: Add "panel" property to i2c-hid backed touchscreens Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-09 15:53 ` Krzysztof Kozlowski 2023-06-09 15:53 ` Krzysztof Kozlowski 2023-06-07 21:49 ` [PATCH v2 02/10] drm/panel: Check for already prepared/enabled in drm_panel Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-07 21:49 ` [PATCH v2 03/10] drm/panel: Add a way for other devices to follow panel state Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-07 21:49 ` [PATCH v2 04/10] of: property: fw_devlink: Add a devlink for panel followers Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-09 16:10 ` Rob Herring 2023-06-09 16:10 ` Rob Herring 2023-06-07 21:49 ` [PATCH v2 05/10] HID: i2c-hid: Switch to SYSTEM_SLEEP_PM_OPS() Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-07 21:49 ` [PATCH v2 06/10] HID: i2c-hid: Rearrange probe() to power things up later Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-07 21:49 ` [PATCH v2 07/10] HID: i2c-hid: Make suspend and resume into helper functions Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-07 21:49 ` [PATCH v2 08/10] HID: i2c-hid: Support being a panel follower Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-08 5:18 ` kernel test robot 2023-06-08 5:18 ` kernel test robot 2023-06-08 7:14 ` kernel test robot 2023-06-08 7:14 ` kernel test robot 2023-06-08 15:10 ` Doug Anderson 2023-06-08 15:10 ` Doug Anderson 2023-06-08 15:36 ` Benjamin Tissoires 2023-06-08 15:36 ` Benjamin Tissoires 2023-06-08 16:42 ` Doug Anderson 2023-06-08 16:42 ` Doug Anderson 2023-06-09 9:27 ` Benjamin Tissoires 2023-06-09 9:27 ` Benjamin Tissoires 2023-06-09 15:01 ` Doug Anderson 2023-06-09 15:01 ` Doug Anderson 2023-06-26 22:49 ` Doug Anderson 2023-06-26 22:49 ` Doug Anderson 2023-07-17 18:15 ` Doug Anderson 2023-07-17 18:15 ` Doug Anderson 2023-07-25 20:41 ` Doug Anderson 2023-07-25 20:41 ` Doug Anderson 2023-07-26 8:07 ` Benjamin Tissoires 2023-07-26 8:07 ` Benjamin Tissoires 2023-06-07 21:49 ` [PATCH v2 09/10] HID: i2c-hid: Do panel follower work on the system_wq Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-07 21:49 ` [PATCH v2 10/10] arm64: dts: qcom: sc7180: Link trogdor touchscreens to the panels Douglas Anderson 2023-06-07 21:49 ` Douglas Anderson 2023-06-08 7:17 ` [PATCH v2 00/10] drm/panel and i2c-hid: Allow panels and touchscreens to power sequence together Maxime Ripard 2023-06-08 7:17 ` Maxime Ripard 2023-06-08 14:38 ` Doug Anderson 2023-06-08 14:38 ` Doug Anderson 2023-06-12 16:03 ` Maxime Ripard 2023-06-12 16:03 ` Maxime Ripard 2023-06-12 21:13 ` Doug Anderson 2023-06-12 21:13 ` Doug Anderson 2023-06-13 12:06 ` Maxime Ripard 2023-06-13 12:06 ` Maxime Ripard 2023-06-13 15:56 ` Doug Anderson 2023-06-13 15:56 ` Doug Anderson 2023-06-21 16:31 ` Doug Anderson 2023-06-21 16:31 ` Doug Anderson 2023-06-23 9:08 ` Maxime Ripard 2023-06-23 9:08 ` Maxime Ripard
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20230607215224.2067679-1-dianders@chromium.org \ --to=dianders@chromium.org \ --cc=andersson@kernel.org \ --cc=benjamin.tissoires@redhat.com \ --cc=conor+dt@kernel.org \ --cc=cros-qcom-dts-watchers@chromium.org \ --cc=daniel@ffwll.ch \ --cc=devicetree@vger.kernel.org \ --cc=dmitry.torokhov@gmail.com \ --cc=dri-devel@lists.freedesktop.org \ --cc=frowand.list@gmail.com \ --cc=hsinyi@google.com \ --cc=jikos@kernel.org \ --cc=konrad.dybcio@linaro.org \ --cc=krzysztof.kozlowski+dt@linaro.org \ --cc=linux-arm-msm@vger.kernel.org \ --cc=linux-input@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=maarten.lankhorst@linux.intel.com \ --cc=macroalpha82@gmail.com \ --cc=mripard@kernel.org \ --cc=neil.armstrong@linaro.org \ --cc=robh+dt@kernel.org \ --cc=sam@ravnborg.org \ --cc=tzimmermann@suse.de \ --cc=yangcong5@huaqin.corp-partner.google.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.