From afada5e0bb3cac8530c2ae36aa0abca41d60e063 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 22 Nov 2011 13:59:30 +1000 Subject: [PATCH] drm/nv04/disp: disable vblank interrupts when disabling display Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_hw.c | 5 ----- drivers/gpu/drm/nouveau/nv04_display.c | 11 +++++++++++ 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c index ba896e54b799..b87ad3bd7739 100644 --- a/drivers/gpu/drm/nouveau/nouveau_hw.c +++ b/drivers/gpu/drm/nouveau/nouveau_hw.c @@ -1018,11 +1018,6 @@ nv_load_state_ext(struct drm_device *dev, int head, } NVWriteCRTC(dev, head, NV_PCRTC_START, regp->fb_start); - - /* Enable vblank interrupts. */ - NVWriteCRTC(dev, head, NV_PCRTC_INTR_EN_0, - (dev->vblank_enabled[head] ? 1 : 0)); - NVWriteCRTC(dev, head, NV_PCRTC_INTR_0, NV_PCRTC_INTR_0_VBLANK); } static void diff --git a/drivers/gpu/drm/nouveau/nv04_display.c b/drivers/gpu/drm/nouveau/nv04_display.c index 7047d37e8dab..44488e3a257d 100644 --- a/drivers/gpu/drm/nouveau/nv04_display.c +++ b/drivers/gpu/drm/nouveau/nv04_display.c @@ -98,6 +98,13 @@ nv04_display_early_init(struct drm_device *dev) NVSetOwner(dev, 0); } + /* ensure vblank interrupts are off, they can't be enabled until + * drm_vblank has been initialised + */ + NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0); + if (nv_two_heads(dev)) + NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0); + return 0; } @@ -246,6 +253,10 @@ nv04_display_init(struct drm_device *dev) void nv04_display_fini(struct drm_device *dev) { + /* disable vblank interrupts */ + NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0); + if (nv_two_heads(dev)) + NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0); } static void -- 2.39.5