openwrt/target/linux/bcm27xx/patches-4.19/950-0499-drm-v3d-Fix-BO-sta...

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From f91d0382b735a3d7711f6b160d80627cd4be54af Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 7 Feb 2019 15:26:13 -0800
Subject: [PATCH] drm/v3d: Fix BO stats accounting for dma-buf-imported
buffers.
We always decrement at GEM free, so make sure we increment at GEM
creation for dma-bufs.
Signed-off-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207232613.24981-1-eric@anholt.net
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
(cherry picked from commit cc3f60cfd4f2752f1bad7eaa3839855c15347abc)
---
drivers/gpu/drm/v3d/v3d_bo.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/v3d/v3d_bo.c
+++ b/drivers/gpu/drm/v3d/v3d_bo.c
@@ -282,6 +282,7 @@ v3d_prime_import_sg_table(struct drm_dev
struct dma_buf_attachment *attach,
struct sg_table *sgt)
{
+ struct v3d_dev *v3d = to_v3d_dev(dev);
struct drm_gem_object *obj;
struct v3d_bo *bo;
@@ -296,6 +297,11 @@ v3d_prime_import_sg_table(struct drm_dev
obj->import_attach = attach;
v3d_bo_get_pages(bo);
+ mutex_lock(&v3d->bo_lock);
+ v3d->bo_stats.num_allocated++;
+ v3d->bo_stats.pages_allocated += obj->size >> PAGE_SHIFT;
+ mutex_unlock(&v3d->bo_lock);
+
v3d_mmu_insert_ptes(bo);
return obj;