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mb/google/ocelot/var/ojal: Decrease display count from 5 to 4

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This change updates the actual number of displays supported by ojal
variant according to schematics revision 0.9.
RDC kit no:840138

Scope (\_SB.PCI0.GFX0)
  {
        Method (_DOD, 0, NotSerialized)
        {
            Return (Package (0x04)
            {
                0x80010400, // Display device 0 (LCD0 - internal eDP)
                0x80010000, // Display device 1 (DD01 - HDMI)
                0x80010000, // Display device 2 (DD02 - USB-C)
                0x80010000  // Display device 2 (DD02 - USB-C)
            })
        }

BUG=b:437459757
TEST=Build ojal and check all displays functionality booting to OS,
Also verify the available displays by dumping the SSDT table.

Change-Id: Ida3d6a03028467345c3e033e9581fe5f8fbe22c4
Signed-off-by: Varun Upadhyay <varun.upadhyay@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90301
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: P, Usha <usha.p@intel.com>
Reviewed-by: Pranava Y N <pranavayn@google.com>
This commit is contained in:
Varun Upadhyay 2025-12-01 14:50:34 +05:30 • committed by Matt DeVillier
commit 2ce1068542
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/google/ocelot/variants/ojal/overridetree.cb
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@ -108,7 +108,7 @@ chip soc/intel/pantherlake
device ref igpu on
probe DISPLAY DISPLAY_PRESENT
chip drivers/gfx/generic
register "device_count" = "5"
register "device_count" = "4"
# DDIA for eDP
register "device[0].name" = ""LCD0""
register "device[0].type" = "panel"