[PATCH v1] Support Intel Xe GPU dirver Porting on RISC-V Architecture

[zhangzhijie]

    inb/outb speccial wire not support on other ARCH.
Should detect whether arch platform support or not.

Signed-off-by: zhangzhijie <zhangzhi...@bosc.ac.cn>
---
 drivers/gpu/drm/i915/display/intel_vga.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_vga.c 
b/drivers/gpu/drm/i915/display/intel_vga.c
index 4b98833bfa8c..5e48e3282670 100644
--- a/drivers/gpu/drm/i915/display/intel_vga.c
+++ b/drivers/gpu/drm/i915/display/intel_vga.c
@@ -33,6 +33,7 @@ void intel_vga_disable(struct drm_i915_private *dev_priv)
        if (intel_de_read(dev_priv, vga_reg) & VGA_DISP_DISABLE)
                return;
 
+#if defined(CONFIG_X86) || defined(CONFIG_X86_64)
        /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */
        vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
        outb(0x01, VGA_SEQ_I);
@@ -40,6 +41,7 @@ void intel_vga_disable(struct drm_i915_private *dev_priv)
        outb(sr1 | VGA_SR01_SCREEN_OFF, VGA_SEQ_D);
        vga_put(pdev, VGA_RSRC_LEGACY_IO);
        udelay(300);
+#endif
 
        intel_de_write(dev_priv, vga_reg, VGA_DISP_DISABLE);
        intel_de_posting_read(dev_priv, vga_reg);
@@ -80,6 +82,7 @@ void intel_vga_redisable(struct drm_i915_private *i915)
 
 void intel_vga_reset_io_mem(struct drm_i915_private *i915)
 {
+#if defined(CONFIG_X86) || defined(CONFIG_X86_64)
        struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
 
        /*
@@ -95,6 +98,7 @@ void intel_vga_reset_io_mem(struct drm_i915_private *i915)
        vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
        outb(inb(VGA_MIS_R), VGA_MIS_W);
        vga_put(pdev, VGA_RSRC_LEGACY_IO);
+#endif
 }
 
 int intel_vga_register(struct drm_i915_private *i915)
-- 
2.34.1