[Intel-gfx] [PATCH 02/28] drm/i915: We implement WaEnableVGAAccessThroughIOPort:ctg, elk, ilk, snb, ivb, vlv, hsw
ville.syrjala at linux.intel.com
ville.syrjala at linux.intel.com
Wed Jan 22 20:32:38 CET 2014
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
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 ec96002..9006a87 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10982,6 +10982,7 @@ 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);
--
1.8.3.2
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