drm/vc4: crtc: Use a shared interrupt

Some pixelvalves in vc5 use the same interrupt line so let's register our
interrupt handler as a shared one.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/5a915d374357f41083ac71779fa9b2c35a339c2f.1599120059.git-series.maxime@cerno.tech

diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index e55b220..9faae22 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -919,7 +919,9 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data)
        CRTC_WRITE(PV_INTEN, 0);
        CRTC_WRITE(PV_INTSTAT, PV_INT_VFP_START);
        ret = devm_request_irq(dev, platform_get_irq(pdev, 0),
-                              vc4_crtc_irq_handler, 0, "vc4 crtc", vc4_crtc);
+                              vc4_crtc_irq_handler,
+                              IRQF_SHARED,
+                              "vc4 crtc", vc4_crtc);
        if (ret)
                goto err_destroy_planes;