diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/common/block/graphics/graphics.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/graphics/graphics.c b/src/soc/intel/common/block/graphics/graphics.c index e9a6a5dcdc..bc047277fb 100644 --- a/src/soc/intel/common/block/graphics/graphics.c +++ b/src/soc/intel/common/block/graphics/graphics.c @@ -173,6 +173,18 @@ static void graphics_dev_read_resources(struct device *dev) if (res_bar0->flags & IORESOURCE_PREFETCH) res_bar0->flags &= ~IORESOURCE_PREFETCH; } + + /* + * If libhwbase static MMIO driver is used, IGD BAR 0 has to be set to + * CONFIG_GFX_GMA_DEFAULT_MMIO for the libgfxinit to operate properly. + */ + if (CONFIG(MAINBOARD_USE_LIBGFXINIT) && CONFIG(HWBASE_STATIC_MMIO)) { + struct resource *res_bar0 = find_resource(dev, PCI_BASE_ADDRESS_0); + res_bar0->base = CONFIG_GFX_GMA_DEFAULT_MMIO; + res_bar0->flags |= IORESOURCE_ASSIGNED; + pci_dev_set_resources(dev); + res_bar0->flags |= IORESOURCE_FIXED; + } } const struct device_operations graphics_ops = { |