Re: [PATCH v2 15/22] media: rockchip: rga: share the interrupt when an external iommu is used
From: Nicolas Dufresne <hidden>
Date: 2025-12-24 15:50:45
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linux-devicetree, linux-media, linux-rockchip, lkml
Le mercredi 03 décembre 2025 à 16:52 +0100, Sven Püschel a écrit :
From: Michael Olbrich <redacted> The RGA3 and the corresponding iommu share the interrupt. So in that case, request a shared interrupt so that the iommu driver can request it as well. Signed-off-by: Michael Olbrich <redacted> Signed-off-by: Sven Püschel <redacted>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
quoted hunk ↗ jump to hunk
--- drivers/media/platform/rockchip/rga/rga.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)diff --git a/drivers/media/platform/rockchip/rga/rga.cb/drivers/media/platform/rockchip/rga/rga.c index f28ec88c186fa..1bfc4021f4a7b 100644--- a/drivers/media/platform/rockchip/rga/rga.c +++ b/drivers/media/platform/rockchip/rga/rga.c@@ -718,7 +718,8 @@ static int rga_probe(struct platform_device *pdev)goto err_put_clk; } - ret = devm_request_irq(rga->dev, irq, rga_isr, 0, + ret = devm_request_irq(rga->dev, irq, rga_isr, + rga_has_internal_iommu(rga) ? 0 : IRQF_SHARED, dev_name(rga->dev), rga); if (ret < 0) { dev_err(rga->dev, "failed to request irq\n");
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