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Commit 2b37c616 authored by Ville Syrjälä's avatar Ville Syrjälä Committed by Daniel Vetter
Browse files

drm/i915: We implement WaEnableVGAAccessThroughIOPort:ctg, elk, ilk, snb, ivb, vlv, hsw 



Signed-off-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent c5c32cda

drivers/gpu/drm/i915/intel_display.c

+1 −0
Original line number Diff line number Diff line
@@ -10985,6 +10985,7 @@ 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);