From: Ville Syrjälä Date: Wed, 22 Jan 2014 19:32:38 +0000 (+0200) Subject: drm/i915: We implement WaEnableVGAAccessThroughIOPort:ctg, elk, ilk, snb, ivb, vlv... X-Git-Tag: firefly_0821_release~176^2~4105^2~62^2~64 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2b37c6160ebd0363bb191b3e94d15cafd8174f5d;p=firefly-linux-kernel-4.4.55.git drm/i915: We implement WaEnableVGAAccessThroughIOPort:ctg, elk, ilk, snb, ivb, vlv, hsw Signed-off-by: Ville Syrjälä Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 65b470baee39..46b014f6080f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -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);