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# SPDX-License-Identifier: GPL-2.0-only
config DRM_OMAP
tristate "OMAP DRM"
depends on MMU
depends on DRM && OF
depends on ARCH_OMAP2PLUS || (COMPILE_TEST && PAGE_SIZE_LESS_THAN_64KB)
select DRM_KMS_HELPER
select DRM_DISPLAY_HELPER
select DRM_BRIDGE_CONNECTOR
select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
select VIDEOMODE_HELPERS
select HDMI
default n
help
DRM display driver for OMAP2/3/4 based boards.
if DRM_OMAP
config OMAP2_DSS_DEBUG
bool "Debug support"
default n
help
This enables printing of debug messages. Alternatively, debug messages
can also be enabled by setting CONFIG_DYNAMIC_DEBUG and then setting
appropriate flags in <debugfs>/dynamic_debug/control.
config OMAP2_DSS_DEBUGFS
bool "Debugfs filesystem support"
depends on DEBUG_FS
default n
help
This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
querying about clock configuration and register configuration of dss,
dispc, dsi, hdmi and rfbi.
config OMAP2_DSS_COLLECT_IRQ_STATS
bool "Collect DSS IRQ statistics"
depends on OMAP2_DSS_DEBUGFS
default n
help
Collect DSS IRQ statistics, printable via debugfs.
The statistics can be found from
<debugfs>/omapdss/dispc_irq for DISPC interrupts, and
<debugfs>/omapdss/dsi_irq for DSI interrupts.
config OMAP2_DSS_DPI
bool "DPI support"
default y
help
DPI Interface. This is the Parallel Display Interface.
config OMAP2_DSS_VENC
bool "VENC support"
default y
help
OMAP Video Encoder support for S-Video and composite TV-out.
config OMAP2_DSS_HDMI_COMMON
bool
config OMAP4_DSS_HDMI
bool "HDMI support for OMAP4"
default y
select OMAP2_DSS_HDMI_COMMON
help
HDMI support for OMAP4 based SoCs.
config OMAP4_DSS_HDMI_CEC
bool "Enable HDMI CEC support for OMAP4"
depends on OMAP4_DSS_HDMI
select CEC_CORE
default y
help
When selected the HDMI transmitter will support the CEC feature.
config OMAP5_DSS_HDMI
bool "HDMI support for OMAP5"
default n
select OMAP2_DSS_HDMI_COMMON
help
HDMI Interface for OMAP5 and similar cores. This adds the High
Definition Multimedia Interface. See http://www.hdmi.org/ for HDMI
specification.
config OMAP2_DSS_SDI
bool "SDI support"
default n
help
SDI (Serial Display Interface) support.
SDI is a high speed one-way display serial bus between the host
processor and a display.
config OMAP2_DSS_DSI
bool "DSI support"
default n
select DRM_MIPI_DSI
help
MIPI DSI (Display Serial Interface) support.
DSI is a high speed half-duplex serial interface between the host
processor and a peripheral, such as a display or a framebuffer chip.
See http://www.mipi.org/ for DSI specifications.
config OMAP2_DSS_MIN_FCK_PER_PCK
int "Minimum FCK/PCK ratio (for scaling)"
range 0 32
default 0
help
This can be used to adjust the minimum FCK/PCK ratio.
With this you can make sure that DISPC FCK is at least
n x PCK. Video plane scaling requires higher FCK than
normally.
If this is set to 0, there's no extra constraint on the
DISPC FCK. However, the FCK will at minimum be
2xPCK (if active matrix) or 3xPCK (if passive matrix).
Max FCK is 173MHz, so this doesn't work if your PCK
is very high.
config OMAP2_DSS_SLEEP_AFTER_VENC_RESET
bool "Sleep 20ms after VENC reset"
default y
help
There is a 20ms sleep after VENC reset which seemed to fix the
reset. The reason for the bug is unclear, and it's also unclear
on what platforms this happens.
This option enables the sleep, and is enabled by default. You can
disable the sleep if it doesn't cause problems on your platform.
endif
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