diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/kvmgt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/kvmgt.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 4f74d867fe1a..69830a5c49d3 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -53,8 +53,8 @@ #include "intel_gvt.h" #include "gvt.h" -MODULE_IMPORT_NS(DMA_BUF); -MODULE_IMPORT_NS(I915_GVT); +MODULE_IMPORT_NS("DMA_BUF"); +MODULE_IMPORT_NS("I915_GVT"); /* helper macros copied from vfio-pci */ #define VFIO_PCI_OFFSET_SHIFT 40 @@ -142,7 +142,7 @@ static int gvt_pin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, int ret; /* - * We pin the pages one-by-one to avoid allocating a big arrary + * We pin the pages one-by-one to avoid allocating a big array * on stack to hold pfns. */ for (npage = 0; npage < total_pages; npage++) { @@ -425,6 +425,18 @@ static const struct intel_vgpu_regops intel_vgpu_regops_opregion = { .release = intel_vgpu_reg_release_opregion, }; +static bool edid_valid(const void *edid, size_t size) +{ + const struct drm_edid *drm_edid; + bool is_valid; + + drm_edid = drm_edid_alloc(edid, size); + is_valid = drm_edid_valid(drm_edid); + drm_edid_free(drm_edid); + + return is_valid; +} + static int handle_edid_regs(struct intel_vgpu *vgpu, struct vfio_edid_region *region, char *buf, size_t count, u16 offset, bool is_write) @@ -443,11 +455,7 @@ static int handle_edid_regs(struct intel_vgpu *vgpu, switch (offset) { case offsetof(struct vfio_region_gfx_edid, link_state): if (data == VFIO_DEVICE_GFX_LINK_STATE_UP) { - if (!drm_edid_block_valid( - (u8 *)region->edid_blob, - 0, - true, - NULL)) { + if (!edid_valid(region->edid_blob, EDID_SIZE)) { gvt_vgpu_err("invalid EDID blob\n"); return -EINVAL; } @@ -1985,5 +1993,6 @@ static void __exit kvmgt_exit(void) module_init(kvmgt_init); module_exit(kvmgt_exit); +MODULE_DESCRIPTION("Intel mediated pass-through framework for KVM"); MODULE_LICENSE("GPL and additional rights"); MODULE_AUTHOR("Intel Corporation"); |