linux-kernel - [PATCH v4 0/3] Add startek-kd070fhfid015 display support

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Date:   Mon, 31 Jul 2023 17:08:55 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     Neil Armstrong <neil.armstrong@...aro.org>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Guillaume La Roque <glaroque@...libre.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Alexandre Mergnat <amergnat@...libre.com>,
        Conor Dooley <conor.dooley@...rochip.com>
Subject: [PATCH v4 0/3] Add startek-kd070fhfid015 display support

Add the support of the Startek KD070FHFID015 panel.
It's a 7-inch TFT LCD display with a resolution of 1024 x 600 pixels.

I use this display plugged to my mt8365-evk board.

This serie come from a bigger one [1]. Then I addressed the previous
comments for the related commits here.

[1]: https://lore.kernel.org/all/20230220-display-v1-0-45cbc68e188b@baylibre.com/

Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
Changes in v4:
- Remove useless function: stk_panel_shutdown.
- Align parenthesis for readability.
- Link to v3: https://lore.kernel.org/r/20230711-startek_display-v3-0-dc847e6b359b@baylibre.com

Changes in v3:
- Remove spurious line.
- Remove useless ops (enable and disable).
- Remove brightness value init because it is set right after
  using mipi_dsi_dcs_get_display_brightness(...).
- Link to v2: https://lore.kernel.org/r/20230711-startek_display-v2-0-87bc7bdec6e9@baylibre.com

Changes in v2:
- Replace "dcdc-gpio" by "enable-gpio" because this pin enable the
  Power IC supply. Also, this property come from panel-common.
- Remove height-mm and width-mm since they are useless here.
- Re-order elements in the stk_panel structure for readability.
- Link to v1: https://lore.kernel.org/r/20230711-startek_display-v1-0-163917bed385@baylibre.com

Changes in v1:
- Fix typos in the driver.
- Merge 2 regulators in one bulk variable in the driver.
- Remove backlight enable/disable from the driver because it's already
  managed by the backlight core.
- Move hardcoded values from function to the generic structure in the
  driver.
- Remove unnecessary function (stk_panel_del).
- Replace some functions by macro to increase the readability.
- Link to parent serie: [1]

---
Alexandre Mergnat (2):
      dt-bindings: display: panel: add startek kd070fhfid015 support
      arm64: defconfig: enable STARTEK KD070FHFID015 panel

Guillaume La Roque (1):
      drm/panel: Support for startek-kd070fhfid015 MIPI-DSI panel

 .../display/panel/startek,kd070fhfid015.yaml       |  69 ++++
 arch/arm64/configs/defconfig                       |   1 +
 drivers/gpu/drm/panel/Kconfig                      |  11 +
 drivers/gpu/drm/panel/Makefile                     |   1 +
 .../gpu/drm/panel/panel-startek-kd070fhfid015.c    | 406 +++++++++++++++++++++
 5 files changed, 488 insertions(+)
---
base-commit: 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5
change-id: 20230711-startek_display-958d265f6baa

Best regards,
-- 
Alexandre Mergnat <amergnat@...libre.com>