diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/firmware.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/firmware.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c index 1a8274a3f4b1..54fe442238c6 100644 --- a/drivers/gpu/drm/i915/gvt/firmware.c +++ b/drivers/gpu/drm/i915/gvt/firmware.c @@ -66,22 +66,16 @@ static struct bin_attribute firmware_attr = { .mmap = NULL, }; -static int mmio_snapshot_handler(struct intel_gvt *gvt, u32 offset, void *data) -{ - *(u32 *)(data + offset) = intel_uncore_read_notrace(gvt->gt->uncore, - _MMIO(offset)); - return 0; -} - static int expose_firmware_sysfs(struct intel_gvt *gvt) { struct intel_gvt_device_info *info = &gvt->device_info; - struct pci_dev *pdev = to_pci_dev(gvt->gt->i915->drm.dev); + struct drm_i915_private *i915 = gvt->gt->i915; + struct pci_dev *pdev = to_pci_dev(i915->drm.dev); struct gvt_firmware_header *h; void *firmware; void *p; unsigned long size, crc32_start; - int i, ret; + int ret; size = sizeof(*h) + info->mmio_size + info->cfg_space_size; firmware = vzalloc(size); @@ -99,17 +93,16 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt) p = firmware + h->cfg_space_offset; - for (i = 0; i < h->cfg_space_size; i += 4) - pci_read_config_dword(pdev, i, p + i); - - memcpy(gvt->firmware.cfg_space, p, info->cfg_space_size); + memcpy(gvt->firmware.cfg_space, i915->vgpu.initial_cfg_space, + info->cfg_space_size); + memcpy(p, gvt->firmware.cfg_space, info->cfg_space_size); p = firmware + h->mmio_offset; - /* Take a snapshot of hw mmio registers. */ - intel_gvt_for_each_tracked_mmio(gvt, mmio_snapshot_handler, p); + memcpy(gvt->firmware.mmio, i915->vgpu.initial_mmio, + info->mmio_size); - memcpy(gvt->firmware.mmio, p, info->mmio_size); + memcpy(p, gvt->firmware.mmio, info->mmio_size); crc32_start = offsetof(struct gvt_firmware_header, crc32) + 4; h->crc32 = crc32_le(0, firmware + crc32_start, size - crc32_start); |