drm/nv40/disp: implement support for hotplug irq

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv04_display.c b/drivers/gpu/drm/nouveau/nv04_display.c
index 7047d37e8dab..15b748f0ea4b 100644
--- a/drivers/gpu/drm/nouveau/nv04_display.c
+++ b/drivers/gpu/drm/nouveau/nv04_display.c
@@ -31,6 +31,7 @@
 #include "nouveau_hw.h"
 #include "nouveau_encoder.h"
 #include "nouveau_connector.h"
+#include "nouveau_gpio.h"
 
 static void nv04_vblank_crtc0_isr(struct drm_device *);
 static void nv04_vblank_crtc1_isr(struct drm_device *);
@@ -220,6 +221,7 @@ nv04_display_destroy(struct drm_device *dev)
 int
 nv04_display_init(struct drm_device *dev)
 {
+        struct drm_connector *connector;
         struct drm_encoder *encoder;
         struct drm_crtc *crtc;
 
@@ -240,6 +242,12 @@ nv04_display_init(struct drm_device *dev)
         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
                 crtc->funcs->restore(crtc);
 
+        /* enable hotplug interrupts */
+        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
+                struct nouveau_connector *conn = nouveau_connector(connector);
+                nouveau_gpio_irq(dev, 0, conn->hpd, 0xff, true);
+        }
+
         return 0;
 }