From 2a7d3d6d5ddbd202c09f228829cd03609a8efb23 Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Wed, 12 Aug 2015 17:00:24 +0200
Subject: [PATCH] drm/irq: Remove negative CRTC index special-case
The drm_send_vblank_event() function treats negative CRTC indices as
meaning that a driver doesn't have proper VBLANK handling. This is the
only place where DRM needs negative CRTC indices, so in order to enable
subsequent cleanup, remove this special case and replace it by the more
obvious check for whether or not VBLANK support was initialized.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/drm_irq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 9fd784b8966b9..120a16fe15c20 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -971,7 +971,7 @@ void drm_send_vblank_event(struct drm_device *dev, int crtc,
struct timeval now;
unsigned int seq;
- if (crtc >= 0) {
+ if (dev->num_crtcs > 0) {
seq = drm_vblank_count_and_time(dev, crtc, &now);
} else {
seq = 0;
--
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