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authorDave Airlie <airlied@redhat.com>2025-03-21 10:41:36 +1000
committerDave Airlie <airlied@redhat.com>2025-03-21 10:41:51 +1000
commitd2738724e41c94774785ab9e1111c24fa3bfca63 (patch)
treef6b180ed2f6e3c6352bcf534218520275dc0299e /drivers/gpu/drm
parent4701f33a10702d5fc577c32434eb62adde0a1ae1 (diff)
parentcb83f4b965a66d85e9a03621ef3b22c044f4a033 (diff)
Merge tag 'drm-misc-fixes-2025-03-20' of ssh://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A sched fence reference leak fix, two fence fixes for v3d, two overflow fixes for quaic, and a iommu handling fix for host1x. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <mripard@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250320-valiant-outstanding-nightingale-e9acae@houat
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/scheduler/sched_entity.c11
-rw-r--r--drivers/gpu/drm/v3d/v3d_sched.c23
2 files changed, 29 insertions, 5 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index 69bcf0e99d57..da00572d7d42 100644
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -259,9 +259,16 @@ static void drm_sched_entity_kill(struct drm_sched_entity *entity)
struct drm_sched_fence *s_fence = job->s_fence;
dma_fence_get(&s_fence->finished);
- if (!prev || dma_fence_add_callback(prev, &job->finish_cb,
- drm_sched_entity_kill_jobs_cb))
+ if (!prev ||
+ dma_fence_add_callback(prev, &job->finish_cb,
+ drm_sched_entity_kill_jobs_cb)) {
+ /*
+ * Adding callback above failed.
+ * dma_fence_put() checks for NULL.
+ */
+ dma_fence_put(prev);
drm_sched_entity_kill_jobs_cb(NULL, &job->finish_cb);
+ }
prev = &s_fence->finished;
}
diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
index da08ddb01d21..05608c894ed9 100644
--- a/drivers/gpu/drm/v3d/v3d_sched.c
+++ b/drivers/gpu/drm/v3d/v3d_sched.c
@@ -226,8 +226,12 @@ static struct dma_fence *v3d_bin_job_run(struct drm_sched_job *sched_job)
struct dma_fence *fence;
unsigned long irqflags;
- if (unlikely(job->base.base.s_fence->finished.error))
+ if (unlikely(job->base.base.s_fence->finished.error)) {
+ spin_lock_irqsave(&v3d->job_lock, irqflags);
+ v3d->bin_job = NULL;
+ spin_unlock_irqrestore(&v3d->job_lock, irqflags);
return NULL;
+ }
/* Lock required around bin_job update vs
* v3d_overflow_mem_work().
@@ -281,8 +285,10 @@ static struct dma_fence *v3d_render_job_run(struct drm_sched_job *sched_job)
struct drm_device *dev = &v3d->drm;
struct dma_fence *fence;
- if (unlikely(job->base.base.s_fence->finished.error))
+ if (unlikely(job->base.base.s_fence->finished.error)) {
+ v3d->render_job = NULL;
return NULL;
+ }
v3d->render_job = job;
@@ -327,11 +333,17 @@ v3d_tfu_job_run(struct drm_sched_job *sched_job)
struct drm_device *dev = &v3d->drm;
struct dma_fence *fence;
+ if (unlikely(job->base.base.s_fence->finished.error)) {
+ v3d->tfu_job = NULL;
+ return NULL;
+ }
+
+ v3d->tfu_job = job;
+
fence = v3d_fence_create(v3d, V3D_TFU);
if (IS_ERR(fence))
return NULL;
- v3d->tfu_job = job;
if (job->base.irq_fence)
dma_fence_put(job->base.irq_fence);
job->base.irq_fence = dma_fence_get(fence);
@@ -369,6 +381,11 @@ v3d_csd_job_run(struct drm_sched_job *sched_job)
struct dma_fence *fence;
int i, csd_cfg0_reg;
+ if (unlikely(job->base.base.s_fence->finished.error)) {
+ v3d->csd_job = NULL;
+ return NULL;
+ }
+
v3d->csd_job = job;
v3d_invalidate_caches(v3d);