diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/common/block/graphics/graphics.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/src/soc/intel/common/block/graphics/graphics.c b/src/soc/intel/common/block/graphics/graphics.c index 4cea21b075..ed9ae00bf8 100644 --- a/src/soc/intel/common/block/graphics/graphics.c +++ b/src/soc/intel/common/block/graphics/graphics.c @@ -33,15 +33,18 @@ __weak void graphics_soc_init(struct device *dev) pci_dev_init(dev); } -static uintptr_t graphics_get_bar(unsigned long index) +static int is_graphics_disabled(struct device *dev) { - struct device *dev = SA_DEV_IGD; - struct resource *gm_res; - assert(dev != NULL); - /* Check if Graphics PCI device is disabled */ if (!dev || !dev->enabled) - return 0; + return 1; + + return 0; +} + +static uintptr_t graphics_get_bar(struct device *dev, unsigned long index) +{ + struct resource *gm_res; gm_res = find_resource(dev, index); if (!gm_res) @@ -52,11 +55,16 @@ static uintptr_t graphics_get_bar(unsigned long index) uintptr_t graphics_get_memory_base(void) { + uintptr_t memory_base; + struct device *dev = SA_DEV_IGD; + + if (is_graphics_disabled(dev)) + return 0; /* * GFX PCI config space offset 0x18 know as Graphics * Memory Range Address (GMADR) */ - uintptr_t memory_base = graphics_get_bar(PCI_BASE_ADDRESS_2); + memory_base = graphics_get_bar(dev, PCI_BASE_ADDRESS_2); if (!memory_base) die_with_post_code(POST_HW_INIT_FAILURE, "GMADR is not programmed!"); @@ -66,14 +74,18 @@ uintptr_t graphics_get_memory_base(void) static uintptr_t graphics_get_gtt_base(void) { + static uintptr_t gtt_base; + struct device *dev = SA_DEV_IGD; + + if (is_graphics_disabled(dev)) + die("IGD is disabled!"); /* * GFX PCI config space offset 0x10 know as Graphics * Translation Table Memory Mapped Range Address * (GTTMMADR) */ - static uintptr_t gtt_base; if (!gtt_base) { - gtt_base = graphics_get_bar(PCI_BASE_ADDRESS_0); + gtt_base = graphics_get_bar(dev, PCI_BASE_ADDRESS_0); if (!gtt_base) die_with_post_code(POST_HW_INIT_FAILURE, "GTTMMADR is not programmed!"); |