Exemplo n.º 1
0
void mdp_dma_s_update(struct msm_fb_data_type *mfd)
{
	down(&mfd->dma->mutex);
	if ((mfd) && (!mfd->dma->busy) && (mfd->panel_power_on)) {
		down(&mfd->sem);
		mdp_enable_irq(MDP_DMA_S_TERM);
		if (mfd->panel_info.type == MDDI_PANEL)
			mdp_enable_irq(MDP_DMA_S_TERM);
		else
			mdp_enable_irq(MDP_DMA_E_TERM);
		mfd->dma->busy = TRUE;
		INIT_COMPLETION(mfd->dma->comp);
		mfd->ibuf_flushed = TRUE;
		mdp_dma_s_update_lcd(mfd);
		up(&mfd->sem);

		/* wait until DMA finishes the current job */
		wait_for_completion_killable(&mfd->dma->comp);
		if (mfd->panel_info.type == MDDI_PANEL)
			mdp_disable_irq(MDP_DMA_S_TERM);
		else
			mdp_disable_irq(MDP_DMA_E_TERM);

	/* signal if pan function is waiting for the update completion */
		if (mfd->pan_waiting) {
			mfd->pan_waiting = FALSE;
			complete(&mfd->pan_comp);
		}
	}
	up(&mfd->dma->mutex);
}
Exemplo n.º 2
0
void mdp_dma_s_update(struct msm_fb_data_type *mfd)
{
	if(mfd == NULL){
		printk(KERN_ERR "error: %s: the input is null\n",__func__);
		return;
	}
	down(&mfd->dma->mutex);
	if ((mfd) && (!mfd->dma->busy) && (mfd->panel_power_on)) {
		down(&mfd->sem);
		mdp_enable_irq(MDP_DMA_S_TERM);
		if (mfd->panel_info.type == MDDI_PANEL)
			mdp_enable_irq(MDP_DMA_S_TERM);
		else
			mdp_enable_irq(MDP_DMA_E_TERM);
		mfd->dma->busy = TRUE;
		INIT_COMPLETION(mfd->dma->comp);
		mfd->ibuf_flushed = TRUE;
		mdp_dma_s_update_lcd(mfd);
		up(&mfd->sem);

		
		wait_for_completion_killable(&mfd->dma->comp);
		if (mfd->panel_info.type == MDDI_PANEL)
			mdp_disable_irq(MDP_DMA_S_TERM);
		else
			mdp_disable_irq(MDP_DMA_E_TERM);

	
		if (mfd->pan_waiting) {
			mfd->pan_waiting = FALSE;
			complete(&mfd->pan_comp);
		}
	}
	up(&mfd->dma->mutex);
}
Exemplo n.º 3
0
void mdp_dma_s_update(struct msm_fb_data_type *mfd)
{
	down(&mfd->dma->mutex);
	if ((mfd) && (!mfd->dma->busy) && (mfd->panel_power_on)) {
		mfd->dma->busy = TRUE;
		INIT_COMPLETION(mfd->dma->comp);

		down(&mfd->sem);
		mfd->ibuf_flushed = TRUE;
		mdp_dma_s_update_lcd(mfd);
		up(&mfd->sem);

		// wait until DMA finishes the current job
		wait_for_completion_interruptible(&mfd->dma->comp);

		// signal if pan function is waiting for the update completion
		if (mfd->pan_waiting) {
			mfd->pan_waiting = FALSE;
			complete(&mfd->pan_comp);
		}
	}
	up(&mfd->dma->mutex);
}