Th1520 6.6 oot build fix

[Icenowy]

Summary by Sourcery

Fix out-of-tree build compatibility by adjusting include paths in xuantie NNA subdirectories and improve panel reset GPIO handling by using the sleeping-capable gpiod_set_value_cansleep API

Enhancements:

• Switch to gpiod_set_value_cansleep in the panel-mingjun-070bi30ia2 driver for the reset GPIO
• Update Makefiles in xuantie NNA nexef_platform and img_mem to use srctree-based include paths

[sourcery-ai]

Reviewer's Guide

This patch fixes out-of-tree build issues by switching panel reset GPIO calls to the sleep-capable variant and adjusting Makefile include paths to reference $(srctree) for correct header resolution.

Class diagram for updated panel reset GPIO usage

classDiagram
    class mingjun_panel_info {
        +struct gpio_desc *reset
        +struct regulator *hsvcc
        +struct regulator *vspn3v3
        +bool prepared
    }
    class drm_panel {
        <<interface>>
    }
    mingjun_panel_info --|> drm_panel
    class panel_mingjun_070bi30ia2 {
        +int mingjun_prepare(struct drm_panel *panel)
        +int mingjun_unprepare(struct drm_panel *panel)
    }
    panel_mingjun_070bi30ia2 ..> mingjun_panel_info : uses
    panel_mingjun_070bi30ia2 : +gpiod_set_value_cansleep(reset, value)
    %% Note: gpiod_set_value replaced with gpiod_set_value_cansleep in methods

Loading

File-Level Changes

Change	Details	Files
Replace gpiod_set_value with gpiod_set_value_cansleep for panel reset	Use gpiod_set_value_cansleep in unprepare Use gpiod_set_value_cansleep at the start of prepare Use gpiod_set_value_cansleep after power-up delay Use gpiod_set_value_cansleep in error cleanup	drivers/gpu/drm/panel/panel-mingjun-070bi30ia2.c
Prefix include directories with $(srctree) to support out-of-tree builds	Update nexef_platform Makefile include paths Update img_mem Makefile include path	drivers/soc/xuantie/nna/nexef_platform/Makefile drivers/soc/xuantie/nna/img_mem/Makefile

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[sourcery-ai]

Hey @Icenowy - I've reviewed your changes and they look great!

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