diff options
| author | Eric Anholt <eric@anholt.net> | 2008-12-20 02:23:38 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2008-12-29 08:47:27 +0100 |
| commit | fede5c91c4a8a7701d205b2b84b9835ddc7d6f02 (patch) | |
| tree | a80b546790a405b5a0b60e843c06b5697c0b2226 /drivers/gpu/drm/drm_irq.c | |
| parent | drm: Avoid use-before-null-test on dev in drm_cleanup(). (diff) | |
| download | linux-fede5c91c4a8a7701d205b2b84b9835ddc7d6f02.tar.xz linux-fede5c91c4a8a7701d205b2b84b9835ddc7d6f02.zip | |
drm: Add a debug node for vblank state.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 1608f8dbfda0..724e505873cf 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -116,6 +116,9 @@ void drm_vblank_cleanup(struct drm_device *dev) dev->num_crtcs, DRM_MEM_DRIVER); drm_free(dev->last_vblank, sizeof(*dev->last_vblank) * dev->num_crtcs, DRM_MEM_DRIVER); + drm_free(dev->last_vblank_wait, + sizeof(*dev->last_vblank_wait) * dev->num_crtcs, + DRM_MEM_DRIVER); drm_free(dev->vblank_inmodeset, sizeof(*dev->vblank_inmodeset) * dev->num_crtcs, DRM_MEM_DRIVER); @@ -161,6 +164,11 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) if (!dev->last_vblank) goto err; + dev->last_vblank_wait = drm_calloc(num_crtcs, sizeof(u32), + DRM_MEM_DRIVER); + if (!dev->last_vblank_wait) + goto err; + dev->vblank_inmodeset = drm_calloc(num_crtcs, sizeof(int), DRM_MEM_DRIVER); if (!dev->vblank_inmodeset) @@ -642,6 +650,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data, } else { DRM_DEBUG("waiting on vblank count %d, crtc %d\n", vblwait->request.sequence, crtc); + dev->last_vblank_wait[crtc] = vblwait->request.sequence; DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, ((drm_vblank_count(dev, crtc) - vblwait->request.sequence) <= (1 << 23))); |