target/linux/bcm27xx/patches-5.4/950-0557-drm-vc4-crtc-Use-a-shared-interrupt.patch

   1 From 5451dc04ff87dcf514c422f180ea5e23b7b60151 Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Thu, 9 Jan 2020 18:40:49 +0100
   4 Subject: [PATCH] drm/vc4: crtc: Use a shared interrupt
   5
   6 Some pixelvalves in vc5 use the same interrupt line so let's register our
   7 interrupt handler as a shared one.
   8
   9 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
  10 ---
  11  drivers/gpu/drm/vc4/vc4_crtc.c | 4 +++-
  12  1 file changed, 3 insertions(+), 1 deletion(-)
  13
  14 --- a/drivers/gpu/drm/vc4/vc4_crtc.c
  15 +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
  16 @@ -1177,7 +1177,9 @@ static int vc4_crtc_bind(struct device *
  17         CRTC_WRITE(PV_INTEN, 0);
  18         CRTC_WRITE(PV_INTSTAT, PV_INT_VFP_START);
  19         ret = devm_request_irq(dev, platform_get_irq(pdev, 0),
  20 -                              vc4_crtc_irq_handler, 0, "vc4 crtc", vc4_crtc);
  21 +                              vc4_crtc_irq_handler,
  22 +                              IRQF_SHARED,
  23 +                              "vc4 crtc", vc4_crtc);
  24         if (ret)
  25                 goto err_destroy_planes;
  26