From: Dave Airlie <airlied@xxxxxxxxxx> This just cleans up the calls a bit. v2: fix unpin in vaddr fail path (Jani) Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_fbdev.c | 67 +++++++++++++--------- 1 file changed, 41 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c index adc3a81be9f7..c3ea9639a4ed 100644 --- a/drivers/gpu/drm/i915/display/intel_fbdev.c +++ b/drivers/gpu/drm/i915/display/intel_fbdev.c @@ -171,6 +171,38 @@ static int intelfb_alloc(struct drm_fb_helper *helper, return 0; } +static void intel_fbdev_unpin(struct intel_fbdev *ifbdev) +{ + if (ifbdev->vma) + intel_unpin_fb_vma(ifbdev->vma, ifbdev->vma_flags); + ifbdev->vma = NULL; + ifbdev->vma_flags = 0; +} + +static 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)) { + intel_fbdev_unpin(ifbdev); + drm_err(&dev_priv->drm, + "Failed to remap framebuffer into virtual memory\n"); + return PTR_ERR(vaddr); + } + return 0; +} + static int intelfb_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) { @@ -181,13 +213,8 @@ static int intelfb_create(struct drm_fb_helper *helper, struct drm_i915_private *dev_priv = to_i915(dev); struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); struct i915_ggtt *ggtt = &dev_priv->ggtt; - const struct i915_ggtt_view view = { - .type = I915_GGTT_VIEW_NORMAL, - }; intel_wakeref_t wakeref; struct fb_info *info; - struct i915_vma *vma; - unsigned long flags = 0; bool prealloc = false; void __iomem *vaddr; struct drm_i915_gem_object *obj; @@ -224,10 +251,8 @@ static int intelfb_create(struct drm_fb_helper *helper, * This also validates that any existing fb inherited from the * BIOS is suitable for own access. */ - vma = intel_pin_and_fence_fb_obj(&ifbdev->fb->base, false, - &view, false, &flags); - if (IS_ERR(vma)) { - ret = PTR_ERR(vma); + ret = intel_fbdev_pin_and_fence(dev_priv, ifbdev, &vaddr); + if (ret) { goto out_unlock; } @@ -261,19 +286,12 @@ static int intelfb_create(struct drm_fb_helper *helper, /* Our framebuffer is the entirety of fbdev's system memory */ info->fix.smem_start = - (unsigned long)(ggtt->gmadr.start + vma->node.start); - info->fix.smem_len = vma->node.size; + (unsigned long)(ggtt->gmadr.start + ifbdev->vma->node.start); + info->fix.smem_len = ifbdev->vma->node.size; } - vaddr = i915_vma_pin_iomap(vma); - if (IS_ERR(vaddr)) { - drm_err(&dev_priv->drm, - "Failed to remap framebuffer into virtual memory\n"); - ret = PTR_ERR(vaddr); - goto out_unpin; - } info->screen_base = vaddr; - info->screen_size = vma->node.size; + info->screen_size = ifbdev->vma->node.size; drm_fb_helper_fill_info(info, &ifbdev->helper, sizes); @@ -281,23 +299,21 @@ static int intelfb_create(struct drm_fb_helper *helper, * If the object is stolen however, it will be full of whatever * garbage was left in there. */ - if (!i915_gem_object_is_shmem(vma->obj) && !prealloc) + if (!i915_gem_object_is_shmem(ifbdev->vma->obj) && !prealloc) memset_io(info->screen_base, 0, info->screen_size); /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ drm_dbg_kms(&dev_priv->drm, "allocated %dx%d fb: 0x%08x\n", ifbdev->fb->base.width, ifbdev->fb->base.height, - i915_ggtt_offset(vma)); - ifbdev->vma = vma; - ifbdev->vma_flags = flags; + i915_ggtt_offset(ifbdev->vma)); intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); vga_switcheroo_client_fb_set(pdev, info); return 0; out_unpin: - intel_unpin_fb_vma(vma, flags); + intel_fbdev_unpin(ifbdev); out_unlock: intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); return ret; @@ -316,8 +332,7 @@ static void intel_fbdev_destroy(struct intel_fbdev *ifbdev) drm_fb_helper_fini(&ifbdev->helper); - if (ifbdev->vma) - intel_unpin_fb_vma(ifbdev->vma, ifbdev->vma_flags); + intel_fbdev_unpin(ifbdev); if (ifbdev->fb) drm_framebuffer_remove(&ifbdev->fb->base); -- 2.25.4