[ Upstream commit fc22771547e7e8a63679f0218e943d72b107de65 ]
Noted in review by Dave Emett for V3D 4.2 support.
Signed-off-by: Eric Anholt eric@anholt.net Link: https://patchwork.freedesktop.org/patch/msgid/20190308174336.7866-1-eric@anh... Reviewed-by: Dave Emett david.emett@broadcom.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/v3d/v3d_drv.c | 8 ++++++-- drivers/gpu/drm/v3d/v3d_drv.h | 2 +- drivers/gpu/drm/v3d/v3d_irq.c | 13 +++++++++++-- 3 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c index f0afcec72c348..30ae1c74edaa8 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.c +++ b/drivers/gpu/drm/v3d/v3d_drv.c @@ -312,14 +312,18 @@ static int v3d_platform_drm_probe(struct platform_device *pdev) if (ret) goto dev_destroy;
- v3d_irq_init(v3d); + ret = v3d_irq_init(v3d); + if (ret) + goto gem_destroy;
ret = drm_dev_register(drm, 0); if (ret) - goto gem_destroy; + goto irq_disable;
return 0;
+irq_disable: + v3d_irq_disable(v3d); gem_destroy: v3d_gem_destroy(drm); dev_destroy: diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index fdda3037f7af7..2fdb456b72d32 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -310,7 +310,7 @@ void v3d_reset(struct v3d_dev *v3d); void v3d_invalidate_caches(struct v3d_dev *v3d);
/* v3d_irq.c */ -void v3d_irq_init(struct v3d_dev *v3d); +int v3d_irq_init(struct v3d_dev *v3d); void v3d_irq_enable(struct v3d_dev *v3d); void v3d_irq_disable(struct v3d_dev *v3d); void v3d_irq_reset(struct v3d_dev *v3d); diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c index 69338da70ddce..29d746cfce572 100644 --- a/drivers/gpu/drm/v3d/v3d_irq.c +++ b/drivers/gpu/drm/v3d/v3d_irq.c @@ -156,7 +156,7 @@ v3d_hub_irq(int irq, void *arg) return status; }
-void +int v3d_irq_init(struct v3d_dev *v3d) { int ret, core; @@ -173,13 +173,22 @@ v3d_irq_init(struct v3d_dev *v3d) ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0), v3d_hub_irq, IRQF_SHARED, "v3d_hub", v3d); + if (ret) + goto fail; + ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 1), v3d_irq, IRQF_SHARED, "v3d_core0", v3d); if (ret) - dev_err(v3d->dev, "IRQ setup failed: %d\n", ret); + goto fail;
v3d_irq_enable(v3d); + return 0; + +fail: + if (ret != -EPROBE_DEFER) + dev_err(v3d->dev, "IRQ setup failed: %d\n", ret); + return ret; }
void