MARK_GRAPHICS_MEM_WRCOMB is not referenced anywhere in the code,
hence remove it.

Signed-off-by: Bin Meng <[email protected]>
Acked-by: Simon Glass <[email protected]>
---

Changes in v2: None

 arch/x86/Kconfig                       | 8 --------
 board/google/chromebook_link/Kconfig   | 1 -
 board/google/chromebox_panther/Kconfig | 1 -
 3 files changed, 10 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0e308ce..0036344 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -194,14 +194,6 @@ config X86_RAMTEST
          to work correctly. It is not exhaustive but can save time by
          detecting obvious failures.
 
-config MARK_GRAPHICS_MEM_WRCOMB
-       bool "Mark graphics memory as write-combining"
-       default n
-       help
-         The graphics performance may increase if the graphics
-         memory is set as write-combining cache type. This option
-         enables marking the graphics memory as write-combining.
-
 config HAVE_FSP
        bool "Add an Firmware Support Package binary"
        help
diff --git a/board/google/chromebook_link/Kconfig 
b/board/google/chromebook_link/Kconfig
index 9c8d020..d3644a9 100644
--- a/board/google/chromebook_link/Kconfig
+++ b/board/google/chromebook_link/Kconfig
@@ -22,7 +22,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
        select NORTHBRIDGE_INTEL_IVYBRIDGE
        select SOUTHBRIDGE_INTEL_C216
        select HAVE_ACPI_RESUME
-       select MARK_GRAPHICS_MEM_WRCOMB
        select BOARD_ROMSIZE_KB_8192
 
 config PCIE_ECAM_BASE
diff --git a/board/google/chromebox_panther/Kconfig 
b/board/google/chromebox_panther/Kconfig
index e3604eb..d56d903 100644
--- a/board/google/chromebox_panther/Kconfig
+++ b/board/google/chromebox_panther/Kconfig
@@ -23,7 +23,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
        select NORTHBRIDGE_INTEL_IVYBRIDGE
        select SOUTHBRIDGE_INTEL_C216
        select HAVE_ACPI_RESUME
-       select MARK_GRAPHICS_MEM_WRCOMB
        select BOARD_ROMSIZE_KB_8192
 
 config SYS_CAR_ADDR
-- 
1.8.2.1

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