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In order to differentiate between the different video modes (burst vs.
non-burst, sync pulses vs. sync events) supported by peripherals, pass
the flags that specify this mode in the panel description to the DSI
peripheral device when probed.
Signed-off-by: Thierry Reding <[email protected]>
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The enable GPIO for panels may be provided by GPIO expanders on slow
busses (such as I2C), and therefore toggling the GPIO may sleep. Since
these accesses don't happen in interrupt context, use the *_cansleep()
variants of the GPIO API.
Signed-off-by: Thierry Reding <[email protected]>
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regulator_disable() is already performed by panel_simple_disable(),
which is called by panel_simple_remove().
Signed-off-by: Alexandre Courbot <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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Use the new GPIO descriptor interface to handle the panel's enable GPIO.
This considerably simplifies the code.
Signed-off-by: Alexandre Courbot <[email protected]>
[[email protected]: rework to improve readability]
Signed-off-by: Thierry Reding <[email protected]>
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The LP129QE LCD has an LED backlight and a display resolution of
2560x1700 pixels.
Signed-off-by: Thierry Reding <[email protected]>
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This stashes away the EDID data so that the sysfs per-connector file
"edid" can display it. Without this change, the "edid" file is always
empty.
Signed-off-by: Stephen Warren <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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The Chunghwa CLAA101WA01A is a 10.1" 1366x768 panel, which can be
supported by the simple panel driver.
Signed-off-by: Stephen Warren <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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The Samsung LNT101NT05 10.1" WXVGA panel can be supported by the simple panel
driver.
Cc: [email protected]
Cc: [email protected]
Cc: David Airlie <[email protected]>
Signed-off-by: Marc Dietrich <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
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The Panasonic VVX10F004B0 is a 10.1" WUXGA TFT LCD panel connected using
four DSI lanes.
Signed-off-by: Thierry Reding <[email protected]>
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Add a driver for simple panels. Such panels can have a regulator that
provides the supply voltage and a separate GPIO to enable the panel.
Optionally the panels can have a backlight associated with them so it
can be enabled or disabled according to the panel's power management
mode.
Support is added for two panels: An AU Optronics 10.1" WSVGA and a
Chunghwa Picture Tubes 10.1" WXGA panel.
Signed-off-by: Thierry Reding <[email protected]>
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Add a very simple framework to register and lookup panels. Panel drivers
can initialize a DRM panel and register it with the framework, allowing
them to be retrieved and used by display drivers. Currently only support
for DPMS and obtaining panel modes is provided. However it should be
sufficient to enable a large number of panels. The framework should also
be easily extensible to support more sophisticated kinds of panels such
as DSI.
The framework hasn't been tied into the DRM core, even though it should
be easily possible to do so if that's what we want. In the current
implementation, display drivers can simple make use of it to retrieve a
panel, obtain its modes and control its DPMS mode.
Note that this is currently only tested on systems that boot from a
device tree. No glue code has been written yet for systems that use
platform data, but it should be easy to add.
Signed-off-by: Thierry Reding <[email protected]>
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