target/linux/brcm2708/patches-4.19/950-0579-drm-v3d-Fix-BO-stats-accounting-for-dma-buf-imported.patch

   1 From cc4f39930d6d1cf396c3a1f6fa45696582247ee6 Mon Sep 17 00:00:00 2001
   2 From: Eric Anholt <eric@anholt.net>
   3 Date: Thu, 7 Feb 2019 15:26:13 -0800
   4 Subject: [PATCH 579/703] drm/v3d: Fix BO stats accounting for dma-buf-imported
   5  buffers.
   6
   7 We always decrement at GEM free, so make sure we increment at GEM
   8 creation for dma-bufs.
   9
  10 Signed-off-by: Eric Anholt <eric@anholt.net>
  11 Link: https://patchwork.freedesktop.org/patch/msgid/20190207232613.24981-1-eric@anholt.net
  12 Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
  13 Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
  14 (cherry picked from commit cc3f60cfd4f2752f1bad7eaa3839855c15347abc)
  15 ---
  16  drivers/gpu/drm/v3d/v3d_bo.c | 6 ++++++
  17  1 file changed, 6 insertions(+)
  18
  19 --- a/drivers/gpu/drm/v3d/v3d_bo.c
  20 +++ b/drivers/gpu/drm/v3d/v3d_bo.c
  21 @@ -282,6 +282,7 @@ v3d_prime_import_sg_table(struct drm_dev
  22                           struct dma_buf_attachment *attach,
  23                           struct sg_table *sgt)
  24  {
  25 +       struct v3d_dev *v3d = to_v3d_dev(dev);
  26         struct drm_gem_object *obj;
  27         struct v3d_bo *bo;
  28
  29 @@ -296,6 +297,11 @@ v3d_prime_import_sg_table(struct drm_dev
  30         obj->import_attach = attach;
  31         v3d_bo_get_pages(bo);
  32
  33 +       mutex_lock(&v3d->bo_lock);
  34 +       v3d->bo_stats.num_allocated++;
  35 +       v3d->bo_stats.pages_allocated += obj->size >> PAGE_SHIFT;
  36 +       mutex_unlock(&v3d->bo_lock);
  37 +
  38         v3d_mmu_insert_ptes(bo);
  39
  40         return obj;