diff options
| author | Maíra Canal <mcanal@igalia.com> | 2024-09-23 10:55:06 -0300 |
|---|---|---|
| committer | Maíra Canal <mcanal@igalia.com> | 2024-09-25 08:40:18 -0300 |
| commit | d2fb8811108b2c1285c56f4fba4fff8fe3525593 (patch) | |
| tree | 60bd89759fc4b90f663f3329d0fb8af8e61ad6ae /drivers/gpu/drm/v3d/v3d_irq.c | |
| parent | drm/v3d: Address race-condition in MMU flush (diff) | |
| download | linux-d2fb8811108b2c1285c56f4fba4fff8fe3525593.tar.gz linux-d2fb8811108b2c1285c56f4fba4fff8fe3525593.zip | |
drm/v3d: Flush the MMU before we supply more memory to the binner
We must ensure that the MMU is flushed before we supply more memory to
the binner, otherwise we might end up with invalid MMU accesses by the
GPU.
Fixes: 57692c94dcbe ("drm/v3d: Introduce a new DRM driver for Broadcom V3D V3.x+")
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240923141348.2422499-3-mcanal@igalia.com
Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_irq.c')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_irq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c index d469bda52c1a..20bf33702c3c 100644 --- a/drivers/gpu/drm/v3d/v3d_irq.c +++ b/drivers/gpu/drm/v3d/v3d_irq.c @@ -70,6 +70,8 @@ v3d_overflow_mem_work(struct work_struct *work) list_add_tail(&bo->unref_head, &v3d->bin_job->render->unref_list); spin_unlock_irqrestore(&v3d->job_lock, irqflags); + v3d_mmu_flush_all(v3d); + V3D_CORE_WRITE(0, V3D_PTB_BPOA, bo->node.start << V3D_MMU_PAGE_SHIFT); V3D_CORE_WRITE(0, V3D_PTB_BPOS, obj->size); |