diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 263ffcb832b7..54e201fdeba4 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1701,11 +1701,15 @@ static int uncore_mmio_setup(struct intel_uncore *uncore) * clobbering the GTT which we want ioremap_wc instead. Fortunately, * the register BAR remains the same size for all the earlier * generations up to Ironlake. + * For dgfx chips register range is expanded to 4MB. */ if (INTEL_GEN(i915) < 5) mmio_size = 512 * 1024; + else if (IS_DGFX(i915)) + mmio_size = 4 * 1024 * 1024; else mmio_size = 2 * 1024 * 1024; + uncore->regs = pci_iomap(pdev, mmio_bar, mmio_size); if (uncore->regs == NULL) { drm_err(&i915->drm, "failed to map registers\n"); |