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beea87e387
Some boards have an entirely passive RGB to VGA bridge, based on DACs
implemented by resistor ladders.
Those might or might not have an i2c bus routed to the VGA connector in
order to access the screen EDIDs.
Add a bridge that doesn't do anything but expose the modes available on the
screen, either based on the EDIDs if available, or based on the XGA
standards.
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20160930143709.1388-3-maxime.ripard@free-electrons.com
(cherry picked from commit 56fe8b6f49)
Conflicts:
drivers/gpu/drm/bridge/Kconfig
drivers/gpu/drm/bridge/Makefile
Change-Id: I481b7115b0401c14d990a7574e41b6c76b7d48d6
Signed-off-by: Jerry Xu <xbl@rock-chips.com>
9 lines
274 B
Makefile
9 lines
274 B
Makefile
ccflags-y := -Iinclude/drm
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obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o
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obj-$(CONFIG_DRM_PARADE_PS8622) += parade-ps8622.o
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obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix/
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obj-$(CONFIG_DRM_RK1000) += rk1000.o
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obj-$(CONFIG_DRM_DUMB_VGA_DAC) += dumb-vga-dac.o
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obj-y += synopsys/
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