From: Ville Syrjälä <[email protected]>
Signed-off-by: Ville Syrjälä <[email protected]>
---
drivers/gpu/drm/i915/intel_display.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 76796b1..fc2af13 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9624,6 +9624,7 @@ static void i915_disable_vga(struct drm_device *dev)
u8 sr1;
u32 vga_reg = i915_vgacntrl_reg(dev);
+ /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */
vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO);
outb(SR01, VGA_SR_INDEX);
sr1 = inb(VGA_SR_DATA);
--
1.8.1.5
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