diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vgpu.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_vgpu.c | 72 |
1 files changed, 54 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index 968be26735c5..70fca72f5162 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -21,6 +21,8 @@ * SOFTWARE. */ +#include "i915_drv.h" +#include "i915_pvinfo.h" #include "i915_vgpu.h" /** @@ -51,13 +53,13 @@ */ /** - * i915_detect_vgpu - detect virtual GPU + * intel_vgpu_detect - detect virtual GPU * @dev_priv: i915 device private * * This function is called at the initialization stage, to detect whether * running on a vGPU. */ -void i915_detect_vgpu(struct drm_i915_private *dev_priv) +void intel_vgpu_detect(struct drm_i915_private *dev_priv) { struct pci_dev *pdev = dev_priv->drm.pdev; u64 magic; @@ -77,7 +79,8 @@ void i915_detect_vgpu(struct drm_i915_private *dev_priv) shared_area = pci_iomap_range(pdev, 0, VGT_PVINFO_PAGE, VGT_PVINFO_SIZE); if (!shared_area) { - DRM_ERROR("failed to map MMIO bar to check for VGT\n"); + drm_err(&dev_priv->drm, + "failed to map MMIO bar to check for VGT\n"); return; } @@ -87,7 +90,7 @@ void i915_detect_vgpu(struct drm_i915_private *dev_priv) version_major = readw(shared_area + vgtif_offset(version_major)); if (version_major < VGT_VERSION_MAJOR) { - DRM_INFO("VGT interface version mismatch!\n"); + drm_info(&dev_priv->drm, "VGT interface version mismatch!\n"); goto out; } @@ -95,17 +98,42 @@ void i915_detect_vgpu(struct drm_i915_private *dev_priv) dev_priv->vgpu.active = true; mutex_init(&dev_priv->vgpu.lock); - DRM_INFO("Virtual GPU for Intel GVT-g detected.\n"); + drm_info(&dev_priv->drm, "Virtual GPU for Intel GVT-g detected.\n"); out: pci_iounmap(pdev, shared_area); } +void intel_vgpu_register(struct drm_i915_private *i915) +{ + /* + * Notify a valid surface after modesetting, when running inside a VM. + */ + if (intel_vgpu_active(i915)) + intel_uncore_write(&i915->uncore, vgtif_reg(display_ready), + VGT_DRV_DISPLAY_READY); +} + +bool intel_vgpu_active(struct drm_i915_private *dev_priv) +{ + return dev_priv->vgpu.active; +} + bool intel_vgpu_has_full_ppgtt(struct drm_i915_private *dev_priv) { return dev_priv->vgpu.caps & VGT_CAPS_FULL_PPGTT; } +bool intel_vgpu_has_hwsp_emulation(struct drm_i915_private *dev_priv) +{ + return dev_priv->vgpu.caps & VGT_CAPS_HWSP_EMULATION; +} + +bool intel_vgpu_has_huge_gtt(struct drm_i915_private *dev_priv) +{ + return dev_priv->vgpu.caps & VGT_CAPS_HUGE_GTT; +} + struct _balloon_info_ { /* * There are up to 2 regions per mappable/unmappable graphic @@ -120,13 +148,15 @@ static struct _balloon_info_ bl_info; static void vgt_deballoon_space(struct i915_ggtt *ggtt, struct drm_mm_node *node) { + struct drm_i915_private *dev_priv = ggtt->vm.i915; if (!drm_mm_node_allocated(node)) return; - DRM_DEBUG_DRIVER("deballoon space: range [0x%llx - 0x%llx] %llu KiB.\n", - node->start, - node->start + node->size, - node->size / 1024); + drm_dbg(&dev_priv->drm, + "deballoon space: range [0x%llx - 0x%llx] %llu KiB.\n", + node->start, + node->start + node->size, + node->size / 1024); ggtt->vm.reserved -= node->size; drm_mm_remove_node(node); @@ -141,12 +171,13 @@ static void vgt_deballoon_space(struct i915_ggtt *ggtt, */ void intel_vgt_deballoon(struct i915_ggtt *ggtt) { + struct drm_i915_private *dev_priv = ggtt->vm.i915; int i; if (!intel_vgpu_active(ggtt->vm.i915)) return; - DRM_DEBUG("VGT deballoon.\n"); + drm_dbg(&dev_priv->drm, "VGT deballoon.\n"); for (i = 0; i < 4; i++) vgt_deballoon_space(ggtt, &bl_info.space[i]); @@ -156,13 +187,15 @@ static int vgt_balloon_space(struct i915_ggtt *ggtt, struct drm_mm_node *node, unsigned long start, unsigned long end) { + struct drm_i915_private *dev_priv = ggtt->vm.i915; unsigned long size = end - start; int ret; if (start >= end) return -EINVAL; - DRM_INFO("balloon space: range [ 0x%lx - 0x%lx ] %lu KiB.\n", + drm_info(&dev_priv->drm, + "balloon space: range [ 0x%lx - 0x%lx ] %lu KiB.\n", start, end, size / 1024); ret = i915_gem_gtt_reserve(&ggtt->vm, node, size, start, I915_COLOR_UNEVICTABLE, @@ -219,7 +252,8 @@ static int vgt_balloon_space(struct i915_ggtt *ggtt, */ int intel_vgt_balloon(struct i915_ggtt *ggtt) { - struct intel_uncore *uncore = &ggtt->vm.i915->uncore; + struct drm_i915_private *dev_priv = ggtt->vm.i915; + struct intel_uncore *uncore = &dev_priv->uncore; unsigned long ggtt_end = ggtt->vm.total; unsigned long mappable_base, mappable_size, mappable_end; @@ -241,16 +275,18 @@ int intel_vgt_balloon(struct i915_ggtt *ggtt) mappable_end = mappable_base + mappable_size; unmappable_end = unmappable_base + unmappable_size; - DRM_INFO("VGT ballooning configuration:\n"); - DRM_INFO("Mappable graphic memory: base 0x%lx size %ldKiB\n", + drm_info(&dev_priv->drm, "VGT ballooning configuration:\n"); + drm_info(&dev_priv->drm, + "Mappable graphic memory: base 0x%lx size %ldKiB\n", mappable_base, mappable_size / 1024); - DRM_INFO("Unmappable graphic memory: base 0x%lx size %ldKiB\n", + drm_info(&dev_priv->drm, + "Unmappable graphic memory: base 0x%lx size %ldKiB\n", unmappable_base, unmappable_size / 1024); if (mappable_end > ggtt->mappable_end || unmappable_base < ggtt->mappable_end || unmappable_end > ggtt_end) { - DRM_ERROR("Invalid ballooning configuration!\n"); + drm_err(&dev_priv->drm, "Invalid ballooning configuration!\n"); return -EINVAL; } @@ -287,7 +323,7 @@ int intel_vgt_balloon(struct i915_ggtt *ggtt) goto err_below_mappable; } - DRM_INFO("VGT balloon successfully\n"); + drm_info(&dev_priv->drm, "VGT balloon successfully\n"); return 0; err_below_mappable: @@ -297,6 +333,6 @@ err_upon_unmappable: err_upon_mappable: vgt_deballoon_space(ggtt, &bl_info.space[2]); err: - DRM_ERROR("VGT balloon fail\n"); + drm_err(&dev_priv->drm, "VGT balloon fail\n"); return ret; } |