Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 98 insertions, 0 deletions

diff --git a/Documentation/gpu/vga-switcheroo.rst b/Documentation/gpu/vga-switcheroo.rst
new file mode 100644
index 000000000..cbbdb994f
--- /dev/null
+++ b/Documentation/gpu/vga-switcheroo.rst
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+.. _vga_switcheroo:
+
+==============
+VGA Switcheroo
+==============
+
+.. kernel-doc:: drivers/gpu/vga/vga_switcheroo.c
+   :doc: Overview
+
+Modes of Use
+============
+
+Manual switching and manual power control
+-----------------------------------------
+
+.. kernel-doc:: drivers/gpu/vga/vga_switcheroo.c
+   :doc: Manual switching and manual power control
+
+Driver power control
+--------------------
+
+.. kernel-doc:: drivers/gpu/vga/vga_switcheroo.c
+   :doc: Driver power control
+
+API
+===
+
+Public functions
+----------------
+
+.. kernel-doc:: drivers/gpu/vga/vga_switcheroo.c
+   :export:
+
+Public structures
+-----------------
+
+.. kernel-doc:: include/linux/vga_switcheroo.h
+   :functions: vga_switcheroo_handler
+
+.. kernel-doc:: include/linux/vga_switcheroo.h
+   :functions: vga_switcheroo_client_ops
+
+Public constants
+----------------
+
+.. kernel-doc:: include/linux/vga_switcheroo.h
+   :functions: vga_switcheroo_handler_flags_t
+
+.. kernel-doc:: include/linux/vga_switcheroo.h
+   :functions: vga_switcheroo_client_id
+
+.. kernel-doc:: include/linux/vga_switcheroo.h
+   :functions: vga_switcheroo_state
+
+Private structures
+------------------
+
+.. kernel-doc:: drivers/gpu/vga/vga_switcheroo.c
+   :functions: vgasr_priv
+
+.. kernel-doc:: drivers/gpu/vga/vga_switcheroo.c
+   :functions: vga_switcheroo_client
+
+Handlers
+========
+
+apple-gmux Handler
+------------------
+
+.. kernel-doc:: drivers/platform/x86/apple-gmux.c
+   :doc: Overview
+
+.. kernel-doc:: drivers/platform/x86/apple-gmux.c
+   :doc: Interrupt
+
+Graphics mux
+~~~~~~~~~~~~
+
+.. kernel-doc:: drivers/platform/x86/apple-gmux.c
+   :doc: Graphics mux
+
+Power control
+~~~~~~~~~~~~~
+
+.. kernel-doc:: drivers/platform/x86/apple-gmux.c
+   :doc: Power control
+
+Backlight control
+~~~~~~~~~~~~~~~~~
+
+.. kernel-doc:: drivers/platform/x86/apple-gmux.c
+   :doc: Backlight control
+
+Public functions
+~~~~~~~~~~~~~~~~
+
+.. kernel-doc:: include/linux/apple-gmux.h
+   :internal: