Esempio n. 1
0
void mdp4_overlay_dsi_video_vsync_push(struct msm_fb_data_type *mfd,
			struct mdp4_overlay_pipe *pipe)
{
	unsigned long flag;

	if (pipe->flags & MDP_OV_PLAY_NOWAIT)
		return;

	if (dsi_pipe->blt_addr) {
		mdp4_overlay_dsi_video_dma_busy_wait(mfd);

		mdp4_dsi_video_blt_ov_update(dsi_pipe);
		dsi_pipe->ov_cnt++;

		spin_lock_irqsave(&mdp_spin_lock, flag);
		outp32(MDP_INTR_CLEAR, INTR_OVERLAY0_DONE);
		mdp_intr_mask |= INTR_OVERLAY0_DONE;
		outp32(MDP_INTR_ENABLE, mdp_intr_mask);
		mdp_enable_irq(MDP_OVERLAY0_TERM);
		mfd->dma->busy = TRUE;
		mb();	/* make sure all registers updated */
		spin_unlock_irqrestore(&mdp_spin_lock, flag);
		outpdw(MDP_BASE + 0x0004, 0); /* kickoff overlay engine */
		mb();
		mdp4_overlay_dsi_video_wait4event(mfd, INTR_DMA_P_DONE);
	} else {

		mdp4_overlay_dsi_video_wait4event(mfd, INTR_PRIMARY_VSYNC);
	}
}
 /*
 * mdp4_dmap_done_dsi_video: called from isr
 */
void mdp4_dmap_done_dsi_video(int cndx)
{
	struct vsycn_ctrl *vctrl;
	struct mdp4_overlay_pipe *pipe;

	if (cndx >= MAX_CONTROLLER) {
		pr_err("%s: out or range: cndx=%d\n", __func__, cndx);
		return;
	}
	vctrl = &vsync_ctrl_db[cndx];
	pipe = vctrl->base_pipe;

	spin_lock(&vctrl->spin_lock);
	vsync_irq_disable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
	if (vctrl->blt_change) {
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		if (pipe->ov_blt_addr) {
			mdp4_dsi_video_blt_ov_update(pipe);
			pipe->ov_cnt++;
			/* Prefill one frame */
			vsync_irq_enable(INTR_OVERLAY0_DONE,
						MDP_OVERLAY0_TERM);
			/* kickoff overlay0 engine */
			mdp4_stat.kickoff_ov0++;
			vctrl->ov_koff++;	/* make up for prefill */
			outpdw(MDP_BASE + 0x0004, 0);
		}
		vctrl->blt_change = 0;
	}

	complete_all(&vctrl->dmap_comp);
	mdp4_overlay_dma_commit(cndx);
	spin_unlock(&vctrl->spin_lock);
}
 /*
 * mdp4_dma_p_done_dsi_video: called from isr
 */
void mdp4_dma_p_done_dsi_video(struct mdp_dma_data *dma)
{
	if (blt_cfg_changed) {
		mdp_is_in_isr = TRUE;
		if (dsi_pipe->ov_blt_addr) {
			mdp4_overlay_dmap_xy(dsi_pipe);
			mdp4_overlayproc_cfg(dsi_pipe);
		} else {
			mdp4_overlayproc_cfg(dsi_pipe);
			mdp4_overlay_dmap_xy(dsi_pipe);
		}
		mdp_is_in_isr = FALSE;
		if (dsi_pipe->ov_blt_addr) {
			mdp4_dsi_video_blt_ov_update(dsi_pipe);
			dsi_pipe->ov_cnt++;
			outp32(MDP_INTR_CLEAR, INTR_OVERLAY0_DONE);
			mdp_intr_mask |= INTR_OVERLAY0_DONE;
			outp32(MDP_INTR_ENABLE, mdp_intr_mask);
			dma->busy = TRUE;
			mdp_enable_irq(MDP_OVERLAY0_TERM);
			/* kickoff overlay engine */
			outpdw(MDP_BASE + 0x0004, 0);
		}
		blt_cfg_changed = 0;
	}
	complete_all(&dsi_video_comp);
	last_vsync_time_ns = ktime_get();
	/*  Release Wakelock */
	if (wake_lock_active(&mdp_idle_wakelock))
		wake_unlock(&mdp_idle_wakelock);
}
Esempio n. 4
0
	// fixed the underrun for 1920 * 1080 video play at the full hd lcd.
static void mdp4_overlay_dsi_video_prefill(struct msm_fb_data_type *mfd) 
{ 
	unsigned long flag; 

	if (dsi_pipe->ov_blt_addr) {
		mdp4_overlay_dsi_video_dma_busy_wait(mfd); 
		mdp4_dsi_video_blt_ov_update(dsi_pipe);
		dsi_pipe->ov_cnt++; 
		spin_lock_irqsave(&mdp_spin_lock, flag); 
		outp32(MDP_INTR_CLEAR, INTR_OVERLAY0_DONE); 
		mdp_intr_mask |= INTR_OVERLAY0_DONE; 
		outp32(MDP_INTR_ENABLE, mdp_intr_mask); 
		mdp_enable_irq(MDP_OVERLAY0_TERM); 
		mfd->dma->busy = TRUE;
		mb();	/* make sure all registers updated */ 
		spin_unlock_irqrestore(&mdp_spin_lock, flag); 
		outpdw(MDP_BASE + 0x0004, 0); /* kickoff overlay engine */ 
		mdp4_stat.kickoff_ov0++; 
		mb(); 
		} 
} 
Esempio n. 5
0
 /*
 * mdp4_dma_p_done_dsi_video: called from isr
 */
void mdp4_dma_p_done_dsi_video(struct mdp_dma_data *dma)
{
	if (blt_cfg_changed) {
		mdp_is_in_isr = TRUE;
		mdp4_overlayproc_cfg(dsi_pipe);
		mdp4_overlay_dmap_xy(dsi_pipe);
		mdp_is_in_isr = FALSE;
		if (dsi_pipe->blt_addr) {
			mdp4_dsi_video_blt_ov_update(dsi_pipe);
			dsi_pipe->ov_cnt++;
			outp32(MDP_INTR_CLEAR, INTR_OVERLAY0_DONE);
			mdp_intr_mask |= INTR_OVERLAY0_DONE;
			outp32(MDP_INTR_ENABLE, mdp_intr_mask);
			dma->busy = TRUE;
			mdp_enable_irq(MDP_OVERLAY0_TERM);
			/* kickoff overlay engine */
			outpdw(MDP_BASE + 0x0004, 0);
		}
		blt_cfg_changed = 0;
	}
	complete_all(&dsi_video_comp);
}
int mdp4_dsi_video_pipe_commit(int cndx, int wait)
{
    static uint32 frameDropCnt = 0; // QC_1206
    int lmCfg; // QC_1204
    int  i, undx;
    int mixer = 0;
    struct vsycn_ctrl *vctrl;
    struct vsync_update *vp;
    struct mdp4_overlay_pipe *pipe;
    struct mdp4_overlay_pipe *real_pipe;
    unsigned long flags;
    int cnt = 0;

    vctrl = &vsync_ctrl_db[cndx];

    mutex_lock(&vctrl->update_lock);
    undx =  vctrl->update_ndx;
    vp = &vctrl->vlist[undx];
    pipe = vctrl->base_pipe;
    mixer = pipe->mixer_num;

    if (vp->update_cnt == 0) {
        mutex_unlock(&vctrl->update_lock);
        return cnt;
    }

    vctrl->update_ndx++;
    vctrl->update_ndx &= 0x01;
    vp->update_cnt = 0;     /* reset */
    if (vctrl->blt_free) {
        vctrl->blt_free--;
//		if (vctrl->blt_free == 0)
//			mdp4_free_writeback_buf(vctrl->mfd, mixer);
    }
    mutex_unlock(&vctrl->update_lock);

    /* free previous committed iommu back to pool */
    mdp4_overlay_iommu_unmap_freelist(mixer);

    spin_lock_irqsave(&vctrl->spin_lock, flags);


    if (vctrl->ov_koff != vctrl->ov_done) {
        frameDropCnt++; // QC_1206
        spin_unlock_irqrestore(&vctrl->spin_lock, flags);
        pr_err("%s: Error, frame dropped %d %d\n", __func__,
               vctrl->ov_koff, vctrl->ov_done);


        if (frameDropCnt >= 2) { // QC_1206
            mdp4_dump_regs(); // QC_1205
            lmCfg = inpdw(MDP_BASE + 0x10100); // QC_1204
            pr_err("*** %s: lmCfg=%x, frameDropCnt=%d\n", __func__, lmCfg, frameDropCnt); // QC_1204

            // retry ov0
            pr_err("*** %s: Retrying OV0\n", __func__); // QC_1204
            INIT_COMPLETION(vctrl->ov_comp); // QC_1204
            vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM); // QC_1204
            mb(); // QC_1204
            outpdw(MDP_BASE + 0x0004, 0); // QC_1204
        }
        return 0;
    } else {
        frameDropCnt = 0; // QC_1206
    }

    spin_unlock_irqrestore(&vctrl->spin_lock, flags);

    mdp4_overlay_mdp_perf_upd(vctrl->mfd, 1);

    if (vctrl->blt_change) {
        pipe = vctrl->base_pipe;
        spin_lock_irqsave(&vctrl->spin_lock, flags);
        INIT_COMPLETION(vctrl->dmap_comp);
        INIT_COMPLETION(vctrl->ov_comp);
        vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
        spin_unlock_irqrestore(&vctrl->spin_lock, flags);
        mdp4_dsi_video_wait4dmap(0);
        if (pipe->ov_blt_addr)
            mdp4_dsi_video_wait4ov(0);
    }

    pipe = vp->plist;

    for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
        if (pipe->pipe_used) {
            cnt++;
            real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
            if (real_pipe && real_pipe->pipe_used) {
                /* pipe not unset */
                mdp4_overlay_vsync_commit(pipe);
            }
            /* free previous iommu to freelist
            * which will be freed at next
            * pipe_commit
            */
            mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
            pipe->pipe_used = 0; /* clear */
        }
    }

    mdp4_mixer_stage_commit(mixer);

    /* start timing generator & mmu if they are not started yet */
    mdp4_overlay_dsi_video_start();

    pipe = vctrl->base_pipe;
    spin_lock_irqsave(&vctrl->spin_lock, flags);
    if (pipe->ov_blt_addr) {
        mdp4_dsi_video_blt_ov_update(pipe);
        pipe->ov_cnt++;
        INIT_COMPLETION(vctrl->ov_comp);
        vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
        mb();
        vctrl->ov_koff++;

        pr_err("*** %s: vctrl->ov_koff++=%d\n", __func__, vctrl->ov_koff); // QC_1204

        lmCfg = inpdw(MDP_BASE + 0x10100); // QC_1204
        pr_err("*** %s: lmCfg=%x\n", __func__, lmCfg); // QC_1204


        /* kickoff overlay engine */
        mdp4_stat.kickoff_ov0++;
        outpdw(MDP_BASE + 0x0004, 0);
    } else {
        /* schedule second phase update  at dmap */
        INIT_COMPLETION(vctrl->dmap_comp);
        vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
    }
    spin_unlock_irqrestore(&vctrl->spin_lock, flags);

    mdp4_stat.overlay_commit[pipe->mixer_num]++;

    if (wait) {
        if (pipe->ov_blt_addr)
            mdp4_dsi_video_wait4ov(0);
        else
            mdp4_dsi_video_wait4dmap(0);
    }

    return cnt;
}
int mdp4_dsi_video_pipe_commit(int cndx, int wait)
{

	int  i, undx;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	struct mdp4_overlay_pipe *real_pipe;
	unsigned long flags;
	int cnt = 0;
#ifdef MDP_ODD_RESOLUTION_CTRL
	int current_pipe_ndx = 0;
#endif

	vctrl = &vsync_ctrl_db[cndx];

	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	if (pipe == NULL) {
		pr_err("%s: NO base pipe\n", __func__);
		mutex_unlock(&vctrl->update_lock);
		return 0;
	}

	mixer = pipe->mixer_num;

	mdp_update_pm(vctrl->mfd, vctrl->vsync_time);

/*
* allow stage_commit without pipes queued
* (vp->update_cnt == 0) to unstage pipes after
* overlay_unset
*/

	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vp->update_cnt = 0;     /* reset */
	if (vctrl->blt_free) {
		vctrl->blt_free--;
		if (vctrl->blt_free == 0)
			mdp4_free_writeback_buf(vctrl->mfd, mixer);
	}
	mutex_unlock(&vctrl->update_lock);

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (vctrl->ov_koff != vctrl->ov_done) {
		spin_unlock_irqrestore(&vctrl->spin_lock, flags);
		pr_err("%s: Error, frame dropped %d %d\n", __func__,
				vctrl->ov_koff, vctrl->ov_done);
		return 0;
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	pipe = vp->plist;

	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
			if (real_pipe && real_pipe->pipe_used) {
				/*
				 * commit pipes which are in pending queue
				 * and not be unset yet
				 */
				mdp4_overlay_vsync_commit(pipe);
				if (pipe->frame_format !=
						MDP4_FRAME_FORMAT_LINEAR) {
					spin_lock_irqsave(&vctrl->spin_lock,
									flags);
					INIT_COMPLETION(vctrl->dmap_comp);
					vsync_irq_enable(INTR_DMA_P_DONE,
								MDP_DMAP_TERM);
				       spin_unlock_irqrestore(&vctrl->spin_lock,
								flags);
				}
			}
 		}
	}

	mdp4_mixer_stage_commit(mixer);

	/* start timing generator & mmu if they are not started yet */
	mdp4_overlay_dsi_video_start();

	/*
	 * there has possibility that pipe commit come very close to next vsync
	 * this may cause two consecutive pie_commits happen within same vsync
	 * period which casue iommu page fault when previous iommu buffer
	 * freed. Set ION_IOMMU_UNMAP_DELAYED flag at ion_map_iommu() to
	 * add delay unmap iommu buffer to fix this problem.
	 * Also ion_unmap_iommu() may take as long as 9 ms to free an ion buffer.
	 * therefore mdp4_overlay_iommu_unmap_freelist(mixer) should be called
	 * ater stage_commit() to ensure pipe_commit (up to stage_commit)
	 * is completed within vsync period.
	 */

	/* free previous committed iommu back to pool */
	mdp4_overlay_iommu_unmap_freelist(mixer);

	pipe = vp->plist;
	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {

		
		/* free previous iommu to freelist
		* which will be freed at next
		* pipe_commit
		*/
		mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
		pipe->pipe_used = 0; /* clear */
		}
	}
    pipe = vctrl->base_pipe;
	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		mdp4_dsi_video_blt_ov_update(pipe);
		pipe->ov_cnt++;
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
		mb();
		vctrl->ov_koff++;
		/* kickoff overlay engine */
		mdp4_stat.kickoff_ov0++;
		outpdw(MDP_BASE + 0x0004, 0);
	} else {
		/* schedule second phase update  at dmap */
		INIT_COMPLETION(vctrl->dmap_comp);
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	mdp4_stat.overlay_commit[pipe->mixer_num]++;

	if (wait) {
		if (pipe->ov_blt_addr)
			mdp4_dsi_video_wait4ov(0);
		else
			mdp4_dsi_video_wait4dmap(0);
	}
#ifdef MDP_ODD_RESOLUTION_CTRL
	current_pipe_ndx = pipe->pipe_ndx;
	for (i = current_pipe_ndx ; i >= 0; i--, pipe--) {
		pipe->check_odd_res = 0;
	}
#endif

	return cnt;
}
/*
 * make sure the MIPI_DSI_WRITEBACK_SIZE defined at boardfile
 * has enough space h * w * 3 * 2
 */
static void mdp4_dsi_video_do_blt(struct msm_fb_data_type *mfd, int enable)
{
	unsigned long flag;
	int cndx = 0;
	struct vsycn_ctrl *vctrl;
	struct mdp4_overlay_pipe *pipe;

	vctrl = &vsync_ctrl_db[cndx];
	pipe = vctrl->base_pipe;

	mdp4_allocate_writeback_buf(mfd, MDP4_MIXER0);

	if (mfd->ov0_wb_buf->write_addr == 0) {
		pr_info("%s: no blt_base assigned\n", __func__);
		return;
	}

	spin_lock_irqsave(&vctrl->spin_lock, flag);
	if (enable && pipe->ov_blt_addr == 0) {
		pipe->ov_blt_addr = mfd->ov0_wb_buf->write_addr;
		pipe->dma_blt_addr = mfd->ov0_wb_buf->read_addr;
		pipe->ov_cnt = 0;
		pipe->dmap_cnt = 0;
		vctrl->ov_koff = 0;
		vctrl->ov_done = 0;
		vctrl->blt_free = 0;
		mdp4_stat.blt_dsi_video++;
		vctrl->blt_change++;
	} else if (enable == 0 && pipe->ov_blt_addr) {
		pipe->ov_blt_addr = 0;
		pipe->dma_blt_addr =  0;
		vctrl->blt_free = 4;	/* 4 commits to free wb buf */
		vctrl->blt_change++;
	}

	pr_info("%s: changed=%d enable=%d ov_blt_addr=%x\n", __func__,
		vctrl->blt_change, enable, (int)pipe->ov_blt_addr);

	if (!vctrl->blt_change) {
		spin_unlock_irqrestore(&vctrl->spin_lock, flag);
		return;
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flag);

	if (vctrl->blt_ctrl == OVERLAY_BLT_SWITCH_TG_OFF) {
		int tg_enabled;

		pr_info("%s: blt enabled by switching TG off\n", __func__);
		vctrl->blt_change = 0;
		tg_enabled = inpdw(MDP_BASE + DSI_VIDEO_BASE) & 0x01;
		if (tg_enabled) {
			mdp4_dsi_video_wait4vsync(cndx);
			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 0);
			mdp4_dsi_video_wait4dmap_done(0);
		}
		mdp4_overlayproc_cfg(pipe);
		mdp4_overlay_dmap_xy(pipe);
		if (pipe->ov_blt_addr) {
			mdp4_dsi_video_blt_ov_update(pipe);
			pipe->ov_cnt++;
			/* Prefill one frame */
			vsync_irq_enable(INTR_OVERLAY0_DONE,
						MDP_OVERLAY0_TERM);
			/* kickoff overlay0 engine */
			mdp4_stat.kickoff_ov0++;
			vctrl->ov_koff++;	/* make up for prefill */
			outpdw(MDP_BASE + 0x0004, 0);
		}
		if (tg_enabled) {
			/*
			 * need wait for more than 1 ms to
			 * make sure lanes' fifo is empty and
			 * lanes in stop state befroe reset
			 * controller
			 */
			usleep(2000);
			mipi_dsi_sw_reset();
			MDP_OUTP(MDP_BASE + DSI_VIDEO_BASE, 1);
		}
	}
}
int mdp4_dsi_video_pipe_commit(int cndx, int wait)
{

	int  i, undx;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	struct mdp4_overlay_pipe *real_pipe;
	unsigned long flags;
	int cnt = 0;

	vctrl = &vsync_ctrl_db[cndx];

	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	mixer = pipe->mixer_num;

	mdp_update_pm(vctrl->mfd, vctrl->vsync_time);

	if (vp->update_cnt == 0) {
		mutex_unlock(&vctrl->update_lock);
		return cnt;
	}

	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vp->update_cnt = 0;     /* reset */
	if (vctrl->blt_free) {
		vctrl->blt_free--;
		if (vctrl->blt_free == 0)
			mdp4_free_writeback_buf(vctrl->mfd, mixer);
	}
	mutex_unlock(&vctrl->update_lock);

	/* free previous committed iommu back to pool */
	mdp4_overlay_iommu_unmap_freelist(mixer);

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (vctrl->ov_koff != vctrl->ov_done) {
		spin_unlock_irqrestore(&vctrl->spin_lock, flags);
		pr_err("%s: Error, frame dropped %d %d\n", __func__,
				vctrl->ov_koff, vctrl->ov_done);
		return 0;
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

#ifndef CONFIG_ARCH_MSM8X60
	mdp4_overlay_mdp_perf_upd(vctrl->mfd, 1);

	if (vctrl->blt_change) {
		pipe = vctrl->base_pipe;
		spin_lock_irqsave(&vctrl->spin_lock, flags);
		INIT_COMPLETION(vctrl->dmap_comp);
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
		spin_unlock_irqrestore(&vctrl->spin_lock, flags);
		mdp4_dsi_video_wait4dmap(0);
		if (pipe->ov_blt_addr)
			mdp4_dsi_video_wait4ov(0);
	}
#endif
	pipe = vp->plist;

	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
			if (real_pipe && real_pipe->pipe_used) {
				/* pipe not unset */
				mdp4_overlay_vsync_commit(pipe);
				if (pipe->frame_format !=
						MDP4_FRAME_FORMAT_LINEAR) {
					spin_lock_irqsave(&vctrl->spin_lock,
									flags);
					INIT_COMPLETION(vctrl->dmap_comp);
					vsync_irq_enable(INTR_DMA_P_DONE,
								MDP_DMAP_TERM);
				       spin_unlock_irqrestore(&vctrl->spin_lock,
								flags);
				}
			}
			/* free previous iommu to freelist
			* which will be freed at next
			* pipe_commit
			*/
			mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
			pipe->pipe_used = 0; /* clear */
		}
	}

	mdp4_mixer_stage_commit(mixer);

	/* start timing generator & mmu if they are not started yet */
	mdp4_overlay_dsi_video_start();

	pipe = vctrl->base_pipe;
	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		mdp4_dsi_video_blt_ov_update(pipe);
		pipe->ov_cnt++;
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
		mb();
		vctrl->ov_koff++;
		/* kickoff overlay engine */
		mdp4_stat.kickoff_ov0++;
		outpdw(MDP_BASE + 0x0004, 0);
	} else {
		/* schedule second phase update  at dmap */
		INIT_COMPLETION(vctrl->dmap_comp);
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	mdp4_stat.overlay_commit[pipe->mixer_num]++;

	if (wait) {
		if (pipe->ov_blt_addr)
			mdp4_dsi_video_wait4ov(cndx);
		else
			mdp4_dsi_video_wait4dmap(cndx);
	}

	return cnt;
}
Esempio n. 10
0
int mdp4_dsi_video_pipe_commit(int cndx, int wait, u32 *release_busy)
{

	int  i, undx;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	struct mdp4_overlay_pipe *real_pipe;
	unsigned long flags;
	int cnt = 0;

	vctrl = &vsync_ctrl_db[cndx];

	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	if (pipe == NULL) {
		pr_err("%s: NO base pipe\n", __func__);
		mutex_unlock(&vctrl->update_lock);
		return 0;
	}

	mixer = pipe->mixer_num;

	mdp_update_pm(vctrl->mfd, vctrl->vsync_time);

	/*
	 * allow stage_commit without pipes queued
	 * (vp->update_cnt == 0) to unstage pipes after
	 * overlay_unset
	 */

	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vp->update_cnt = 0;     /* reset */
	if (vctrl->blt_free) {
		vctrl->blt_free--;
		if (vctrl->blt_free == 0)
			mdp4_free_writeback_buf(vctrl->mfd, mixer);
	}
	mutex_unlock(&vctrl->update_lock);

	/* free previous committed iommu back to pool */
	mdp4_overlay_iommu_unmap_freelist(mixer);

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (vctrl->ov_koff != vctrl->ov_done) {
		spin_unlock_irqrestore(&vctrl->spin_lock, flags);
		pr_err("%s: Error, frame dropped %d %d\n", __func__,
				vctrl->ov_koff, vctrl->ov_done);
		return 0;
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	pipe = vp->plist;

	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
			if (real_pipe && real_pipe->pipe_used) {
				/* pipe not unset */
				mdp4_overlay_vsync_commit(pipe);
			}
			/* free previous iommu to freelist
			* which will be freed at next
			* pipe_commit
			*/
			mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
			pipe->pipe_used = 0; /* clear */
		}
	}

	mdp4_mixer_stage_commit(mixer);

	/* start timing generator & mmu if they are not started yet */
	mdp4_overlay_dsi_video_start();

	pipe = vctrl->base_pipe;
	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		mdp4_dsi_video_blt_ov_update(pipe);
		pipe->ov_cnt++;
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
		mb();
		vctrl->ov_koff++;
		/* kickoff overlay engine */
		mdp4_stat.kickoff_ov0++;
		outpdw(MDP_BASE + 0x0004, 0);
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	mdp4_stat.overlay_commit[pipe->mixer_num]++;

	if (wait) {
		if (release_busy) {
			msm_fb_release_busy(vctrl->mfd);
			*release_busy = false;
			mutex_unlock(&vctrl->mfd->dma->ov_mutex);
		}
		if (pipe->ov_blt_addr)
			mdp4_dsi_video_wait4ov(0);
		else
			mdp4_dsi_video_wait4vsync(0);
	}

	return cnt;
}
Esempio n. 11
0
int mdp4_dsi_video_pipe_commit(void)
{

	int  i, undx;
	int mixer = 0;
	struct vsycn_ctrl *vctrl;
	struct vsync_update *vp;
	struct mdp4_overlay_pipe *pipe;
	struct mdp4_overlay_pipe *real_pipe;
	unsigned long flags;
	int cnt = 0;

	vctrl = &vsync_ctrl_db[0];

	mutex_lock(&vctrl->update_lock);
	undx =  vctrl->update_ndx;
	vp = &vctrl->vlist[undx];
	pipe = vctrl->base_pipe;
	mixer = pipe->mixer_num;

	if (vp->update_cnt == 0) {
		mutex_unlock(&vctrl->update_lock);
		return cnt;
	}

	vctrl->update_ndx++;
	vctrl->update_ndx &= 0x01;
	vp->update_cnt = 0;     
	if (vctrl->blt_free) {
		vctrl->blt_free--;
		if (vctrl->blt_free == 0)
			mdp4_free_writeback_buf(vctrl->mfd, mixer);
	}
	mutex_unlock(&vctrl->update_lock);

	
	mdp4_overlay_iommu_unmap_freelist(mixer);

	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (vctrl->ov_koff != vctrl->ov_done) {
		spin_unlock_irqrestore(&vctrl->spin_lock, flags);
		pr_err("%s: Error, frame dropped %d %d\n", __func__,
				vctrl->ov_koff, vctrl->ov_done);
		return 0;
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	if (vctrl->blt_change) {
		pipe = vctrl->base_pipe;
		spin_lock_irqsave(&vctrl->spin_lock, flags);
		INIT_COMPLETION(vctrl->dmap_comp);
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
		spin_unlock_irqrestore(&vctrl->spin_lock, flags);
		mdp4_dsi_video_wait4dmap(0);
		if (pipe->ov_blt_addr)
			mdp4_dsi_video_wait4ov(0);
	}

	pipe = vp->plist;

	for (i = 0; i < OVERLAY_PIPE_MAX; i++, pipe++) {
		if (pipe->pipe_used) {
			cnt++;
			real_pipe = mdp4_overlay_ndx2pipe(pipe->pipe_ndx);
			if (real_pipe && real_pipe->pipe_used) {
				
				mdp4_overlay_vsync_commit(pipe);
			}
			mdp4_overlay_iommu_pipe_free(pipe->pipe_ndx, 0);
			pipe->pipe_used = 0; 
		}
	}

	mdp4_mixer_stage_commit(mixer);

	pipe = vctrl->base_pipe;
	spin_lock_irqsave(&vctrl->spin_lock, flags);
	if (pipe->ov_blt_addr) {
		mdp4_dsi_video_blt_ov_update(pipe);
		pipe->ov_cnt++;
		INIT_COMPLETION(vctrl->ov_comp);
		vsync_irq_enable(INTR_OVERLAY0_DONE, MDP_OVERLAY0_TERM);
		mb();
		vctrl->ov_koff++;
		
		mdp4_stat.kickoff_ov0++;
		outpdw(MDP_BASE + 0x0004, 0);
	} else {
		
		INIT_COMPLETION(vctrl->dmap_comp);
		vsync_irq_enable(INTR_DMA_P_DONE, MDP_DMAP_TERM);
	}
	spin_unlock_irqrestore(&vctrl->spin_lock, flags);

	mdp4_stat.overlay_commit[pipe->mixer_num]++;

	return cnt;
}