diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_vga.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_vga.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_vga.c b/drivers/gpu/drm/i915/display/intel_vga.c index f002b82ba9c0..fa779f7ea415 100644 --- a/drivers/gpu/drm/i915/display/intel_vga.c +++ b/drivers/gpu/drm/i915/display/intel_vga.c @@ -29,6 +29,9 @@ void intel_vga_disable(struct drm_i915_private *dev_priv) i915_reg_t vga_reg = intel_vga_cntrl_reg(dev_priv); u8 sr1; + if (intel_de_read(dev_priv, vga_reg) & VGA_DISP_DISABLE) + return; + /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO); outb(SR01, VGA_SR_INDEX); @@ -121,9 +124,9 @@ intel_vga_set_state(struct drm_i915_private *i915, bool enable_decode) } static unsigned int -intel_vga_set_decode(void *cookie, bool enable_decode) +intel_vga_set_decode(struct pci_dev *pdev, bool enable_decode) { - struct drm_i915_private *i915 = cookie; + struct drm_i915_private *i915 = pdev_to_i915(pdev); intel_vga_set_state(i915, enable_decode); @@ -136,6 +139,7 @@ intel_vga_set_decode(void *cookie, bool enable_decode) int intel_vga_register(struct drm_i915_private *i915) { + struct pci_dev *pdev = to_pci_dev(i915->drm.dev); int ret; @@ -147,7 +151,7 @@ int intel_vga_register(struct drm_i915_private *i915) * then we do not take part in VGA arbitration and the * vga_client_register() fails with -ENODEV. */ - ret = vga_client_register(pdev, i915, NULL, intel_vga_set_decode); + ret = vga_client_register(pdev, intel_vga_set_decode); if (ret && ret != -ENODEV) return ret; @@ -158,5 +162,5 @@ void intel_vga_unregister(struct drm_i915_private *i915) { struct pci_dev *pdev = to_pci_dev(i915->drm.dev); - vga_client_register(pdev, NULL, NULL, NULL); + vga_client_unregister(pdev); } |