Switch to use pci_bus_{read,write}_config_word(), and stop using
i915->gmch.pdev reference for the bridge.

Suggested-by: Ville Syrjälä <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
---
 drivers/gpu/drm/i915/soc/intel_gmch.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/soc/intel_gmch.c 
b/drivers/gpu/drm/i915/soc/intel_gmch.c
index 30f489417064..d43b5d89cae7 100644
--- a/drivers/gpu/drm/i915/soc/intel_gmch.c
+++ b/drivers/gpu/drm/i915/soc/intel_gmch.c
@@ -18,10 +18,11 @@
 int intel_gmch_vga_set_state(struct drm_i915_private *i915, bool enable_decode)
 {
        struct intel_display *display = i915->display;
+       struct pci_dev *pdev = to_pci_dev(display->drm->dev);
        unsigned int reg = DISPLAY_VER(display) >= 6 ? SNB_GMCH_CTRL : 
INTEL_GMCH_CTRL;
        u16 gmch_ctrl;
 
-       if (pci_read_config_word(i915->gmch.pdev, reg, &gmch_ctrl)) {
+       if (pci_bus_read_config_word(pdev->bus, PCI_DEVFN(0, 0), reg, 
&gmch_ctrl)) {
                drm_err(&i915->drm, "failed to read control word\n");
                return -EIO;
        }
@@ -34,7 +35,7 @@ int intel_gmch_vga_set_state(struct drm_i915_private *i915, 
bool enable_decode)
        else
                gmch_ctrl |= INTEL_GMCH_VGA_DISABLE;
 
-       if (pci_write_config_word(i915->gmch.pdev, reg, gmch_ctrl)) {
+       if (pci_bus_write_config_word(pdev->bus, PCI_DEVFN(0, 0), reg, 
gmch_ctrl)) {
                drm_err(&i915->drm, "failed to write control word\n");
                return -EIO;
        }
-- 
2.47.3

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