diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 706f93d26136..9da5fc805d00 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -254,32 +254,6 @@ void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos, uint32_t hi = ~0; uint64_t last; - -#ifdef CONFIG_64BIT - last = min(pos + size, adev->gmc.visible_vram_size); - if (last > pos) { - void __iomem *addr = adev->mman.aper_base_kaddr + pos; - size_t count = last - pos; - - if (write) { - memcpy_toio(addr, buf, count); - mb(); - amdgpu_asic_flush_hdp(adev, NULL); - } else { - amdgpu_asic_invalidate_hdp(adev, NULL); - mb(); - memcpy_fromio(buf, addr, count); - } - - if (count == size) - return; - - pos += count; - buf += count / 4; - size -= count; - } -#endif - spin_lock_irqsave(&adev->mmio_idx_lock, flags); for (last = pos + size; pos < last; pos += 4) { uint32_t tmp = pos >> 31; |