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Changes:
o Verification that the framebuffer matches the display mode
o Automatic upscaling if the framebuffer resolution is lower
than the display mode's
o VGA-plane support
o HDMI pixel rate is limited to hardware constraints
o Error tolerant handling of EDID header-pattern
Change-Id: Icbfdf5f37caf99f66847a71f784730aced0826ab
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/17775
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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Add `libgfxinit` as another option for native graphics initialization.
For that, the function gma_gfxinit() (see drivers/intel/gma/i915.h) has
to be called by the respective northbridge/soc code.
A mainboard port needs to select `CONFIG_MAINBOARD_HAS_LIBGFXINIT` and
implement the Ada package `GMA.Mainboard` with a single function `ports`
that returns a list of ports to be probed for displays.
v2: Update 3rdparty/libgfxinit to its latest master commit to make
things buildable within coreboot.
v3: Another update to 3rdparty/libgfxinit. Including support to select
the I2C port for VGA.
Change-Id: I4c7be3745f32853797d3f3689396dde07d4ca950
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/16952
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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`libgfxinit` is a SPARK library for graphics modesetting. It supports
Intel integrated graphics only, strictly speaking, the Core i processor
line.
Change-Id: Idf4b0e5fbf37a5d974075b2e44d1fa16dc428da3
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/16949
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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