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Rev 1963 Rev 3031
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 * OTHER DEALINGS IN THE SOFTWARE.
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 */
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 */
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#include "drmP.h"
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#include
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#include
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#include
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//#include "drm_trace.h"
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//#include "drm_trace.h"
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//#include    /* For task queue support */
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//#include    /* For task queue support */
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#include
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#include
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//#include
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//#include
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#include
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	DRM_DEBUG("crtc %d: clock %d kHz framedur %d linedur %d, pixeldur %d\n",
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	DRM_DEBUG("crtc %d: clock %d kHz framedur %d linedur %d, pixeldur %d\n",
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		  crtc->base.id, (int) dotclock/1000, (int) framedur_ns,
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		  crtc->base.id, (int) dotclock/1000, (int) framedur_ns,
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		  (int) linedur_ns, (int) pixeldur_ns);
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		  (int) linedur_ns, (int) pixeldur_ns);
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}
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}
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/**
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 * drm_vblank_pre_modeset - account for vblanks across mode sets
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 * @dev: DRM device
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 * @crtc: CRTC in question
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 *
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 * Account for vblank events across mode setting events, which will likely
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 * reset the hardware frame counter.
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 */
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void drm_vblank_pre_modeset(struct drm_device *dev, int crtc)
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{
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#if 0
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    /* vblank is not initialized (IRQ not installed ?) */
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    if (!dev->num_crtcs)
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        return;
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    /*
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     * To avoid all the problems that might happen if interrupts
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     * were enabled/disabled around or between these calls, we just
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     * have the kernel take a reference on the CRTC (just once though
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     * to avoid corrupting the count if multiple, mismatch calls occur),
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     * so that interrupts remain enabled in the interim.
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     */
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    if (!dev->vblank_inmodeset[crtc]) {
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        dev->vblank_inmodeset[crtc] = 0x1;
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        if (drm_vblank_get(dev, crtc) == 0)
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            dev->vblank_inmodeset[crtc] |= 0x2;
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    }
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#endif
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}
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EXPORT_SYMBOL(drm_vblank_pre_modeset);
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void drm_vblank_post_modeset(struct drm_device *dev, int crtc)
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{
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#if 0
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    unsigned long irqflags;
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    if (dev->vblank_inmodeset[crtc]) {
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        spin_lock_irqsave(&dev->vbl_lock, irqflags);
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        dev->vblank_disable_allowed = 1;
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        spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
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        if (dev->vblank_inmodeset[crtc] & 0x2)
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            drm_vblank_put(dev, crtc);
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        dev->vblank_inmodeset[crtc] = 0;
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    }
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#endif
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}