diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fb_pin.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fb_pin.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fb_pin.c b/drivers/gpu/drm/i915/display/intel_fb_pin.c index 3f77f3013584..7233a2d3c326 100644 --- a/drivers/gpu/drm/i915/display/intel_fb_pin.c +++ b/drivers/gpu/drm/i915/display/intel_fb_pin.c @@ -71,7 +71,7 @@ err: return vma; } -struct i915_vma * +static struct i915_vma * intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, bool phys_cursor, const struct i915_ggtt_view *view, @@ -199,7 +199,8 @@ err: return vma; } -void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags) +static void +intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags) { if (flags & PLANE_HAS_FENCE) i915_vma_unpin_fence(vma); @@ -272,3 +273,32 @@ void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state) intel_dpt_unpin(intel_fb->dpt_vm); } } + +int intel_fbdev_pin_and_fence(struct drm_i915_private *dev_priv, + struct intel_fbdev *ifbdev, + void **vaddr) +{ + const struct i915_ggtt_view view = { + .type = I915_GGTT_VIEW_NORMAL, + }; + ifbdev->vma = intel_pin_and_fence_fb_obj(&ifbdev->fb->base, false, + &view, false, &ifbdev->vma_flags); + + if (IS_ERR(ifbdev->vma)) { + return PTR_ERR(ifbdev->vma); + } + + *vaddr = i915_vma_pin_iomap(ifbdev->vma); + if (IS_ERR(*vaddr)) { + drm_err(&dev_priv->drm, + "Failed to remap framebuffer into virtual memory\n"); + return PTR_ERR(vaddr); + } + return 0; +} + +void intel_fbdev_unpin(struct intel_fbdev *ifbdev) +{ + if (ifbdev->vma) + intel_unpin_fb_vma(ifbdev->vma, ifbdev->vma_flags); +} |