示例#1
0
void vb2_ion_cleanup_multi(void **alloc_ctxes)
{
	struct vb2_ion_conf *conf = alloc_ctxes[0];

	BUG_ON(!conf);

	if (conf->use_mmu) {
		if (atomic_read(&conf->mmu_enable)) {
			pr_warning("mmu_enable(%d)\n", atomic_read(&conf->mmu_enable));
			iovmm_deactivate(conf->dev);
		}

		iovmm_cleanup(conf->dev);
	}

	ion_client_destroy(conf->client);

	kfree(alloc_ctxes);
}
static int __display_block_clock_off(struct display_driver *dispdrv)
{
	if (get_display_line_count(dispdrv)) {
		pm_debug("wait until last frame is totally transferred %d:",
				get_display_line_count(dispdrv));
		return -EBUSY;
	}

	/* SMMU -> DECON -> MIC -> DSIM */
#ifdef CONFIG_ION_EXYNOS
	if (dispdrv->platform_status > DISP_STATUS_PM0)
		iovmm_deactivate(dispdrv->decon_driver.sfb->dev);
#endif
	call_pm_ops(dispdrv, decon_driver, clk_off, dispdrv);
#ifdef CONFIG_DECON_MIC
	call_pm_ops(dispdrv, mic_driver, clk_off, dispdrv);
#endif
	call_pm_ops(dispdrv, dsi_driver, clk_off, dispdrv);
	return 0;
}
int fimg2d4x_bitblt(struct fimg2d_control *ctrl)
{
	int ret = 0;
	enum addr_space addr_type;
	struct fimg2d_context *ctx;
	struct fimg2d_bltcmd *cmd;
	unsigned long *pgd;

	fimg2d_debug("%s : enter blitter\n", __func__);

	while (1) {
		cmd = fimg2d_get_command(ctrl);
		if (!cmd)
			break;

		ctx = cmd->ctx;
		ctx->state = CTX_READY;

#ifdef CONFIG_PM_RUNTIME
		if (fimg2d4x_get_clk_cnt(ctrl->clock) == false)
			fimg2d_err("2D clock is not set\n");
#endif

		atomic_set(&ctrl->busy, 1);
		perf_start(cmd, PERF_SFR);
		ret = ctrl->configure(ctrl, cmd);
		perf_end(cmd, PERF_SFR);
		if (IS_ERR_VALUE(ret)) {
			fimg2d_err("failed to configure\n");
			ctx->state = CTX_ERROR;
			goto fail_n_del;
		}

		addr_type = cmd->image[IDST].addr.type;

		ctx->vma_lock = vma_lock_mapping(ctx->mm, prefbuf, MAX_IMAGES - 1);

		if (fimg2d_check_pgd(ctx->mm, cmd)) {
			ret = -EFAULT;
			goto fail_n_del;
		}

		if (addr_type == ADDR_USER || addr_type == ADDR_USER_CONTIG) {
			if (!ctx->mm || !ctx->mm->pgd) {
				atomic_set(&ctrl->busy, 0);
				fimg2d_err("ctx->mm:0x%p or ctx->mm->pgd:0x%p\n",
					       ctx->mm,
					       (ctx->mm) ? ctx->mm->pgd : NULL);
				ret = -EPERM;
				goto fail_n_del;
			}
			pgd = (unsigned long *)ctx->mm->pgd;
#ifdef CONFIG_EXYNOS7_IOMMU
			if (iovmm_activate(ctrl->dev)) {
				fimg2d_err("failed to iovmm activate\n");
				ret = -EPERM;
				goto fail_n_del;
			}
#else
			if (exynos_sysmmu_enable(ctrl->dev,
					(unsigned long)virt_to_phys(pgd))) {
				fimg2d_err("failed to sysmme enable\n");
				ret = -EPERM;
				goto fail_n_del;
			}
#endif
			fimg2d_debug("%s : sysmmu enable: pgd %p ctx %p seq_no(%u)\n",
				__func__, pgd, ctx, cmd->blt.seq_no);

			//exynos_sysmmu_set_pbuf(ctrl->dev, nbufs, prefbuf);
			fimg2d_debug("%s : set smmu prefbuf\n", __func__);
		}

		fimg2d4x_pre_bitblt(ctrl, cmd);

		perf_start(cmd, PERF_BLIT);
		/* start blit */
		fimg2d_debug("%s : start blit\n", __func__);
		ctrl->run(ctrl);
		ret = fimg2d4x_blit_wait(ctrl, cmd);
		perf_end(cmd, PERF_BLIT);

		perf_start(cmd, PERF_UNMAP);
		if (addr_type == ADDR_USER || addr_type == ADDR_USER_CONTIG) {
#ifdef CONFIG_EXYNOS7_IOMMU
			iovmm_deactivate(ctrl->dev);

			if (cmd->dma[ISRC].base.size > 0) {
				exynos_sysmmu_unmap_user_pages(ctrl->dev,
					ctx->mm, cmd->dma[ISRC].base.addr,
					cmd->dma[ISRC].base.size);
			}

			if (cmd->dma[ISRC].plane2.size > 0) {
				exynos_sysmmu_unmap_user_pages(ctrl->dev,
					ctx->mm, cmd->dma[ISRC].plane2.addr,
					cmd->dma[ISRC].plane2.size);
			}

			if (cmd->dma[IMSK].base.size > 0) {
				exynos_sysmmu_unmap_user_pages(ctrl->dev,
					ctx->mm, cmd->dma[IMSK].base.addr,
					cmd->dma[IMSK].base.size);
			}

			if (cmd->dma[IDST].base.size > 0) {
				exynos_sysmmu_unmap_user_pages(ctrl->dev,
					ctx->mm, cmd->dma[IDST].base.addr,
					cmd->dma[IDST].base.size);
			}

			if (cmd->dma[IDST].plane2.size > 0) {
				exynos_sysmmu_unmap_user_pages(ctrl->dev,
					ctx->mm, cmd->dma[IDST].plane2.addr,
					cmd->dma[IDST].plane2.size);
			}
#else
			exynos_sysmmu_disable(ctrl->dev);
#endif
			fimg2d_debug("sysmmu disable\n");
		}
		perf_end(cmd, PERF_UNMAP);
fail_n_del:
		vma_unlock_mapping(ctx->vma_lock);
		fimg2d_del_command(ctrl, cmd);
	}

	fimg2d_debug("%s : exit blitter\n", __func__);

	return ret;
}