mmu->funcs->detach(mmu, iommu_ports, ARRAY_SIZE(iommu_ports));
mmu->funcs->destroy(mmu);
}
-
- if (mdp5_kms->ctlm)
- mdp5_ctlm_destroy(mdp5_kms->ctlm);
- if (mdp5_kms->smp)
- mdp5_smp_destroy(mdp5_kms->smp);
- if (mdp5_kms->cfg)
- mdp5_cfg_destroy(mdp5_kms->cfg);
-
- kfree(mdp5_kms);
-}
-
-static void mdp5_kms_destroy2(struct msm_kms *kms)
-{
- struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
- struct msm_mmu *mmu = mdp5_kms->mmu;
-
- if (mmu) {
- mmu->funcs->detach(mmu, iommu_ports, ARRAY_SIZE(iommu_ports));
- mmu->funcs->destroy(mmu);
- }
}
static const struct mdp_kms_funcs kms_funcs = {
.get_format = mdp_get_format,
.round_pixclk = mdp5_round_pixclk,
.set_split_display = mdp5_set_split_display,
- .destroy = mdp5_kms_destroy2,
+ .destroy = mdp5_kms_destroy,
},
.set_irqmask = mdp5_set_irqmask,
};
return ret;
}
-static void read_hw_revision(struct mdp5_kms *mdp5_kms,
- uint32_t *major, uint32_t *minor)
-{
- uint32_t version;
-
- mdp5_enable(mdp5_kms);
- version = mdp5_read(mdp5_kms, REG_MDSS_HW_VERSION);
- mdp5_disable(mdp5_kms);
-
- *major = FIELD(version, MDSS_HW_VERSION_MAJOR);
- *minor = FIELD(version, MDSS_HW_VERSION_MINOR);
-
- DBG("MDP5 version v%d.%d", *major, *minor);
-}
-
static void read_mdp_hw_revision(struct mdp5_kms *mdp5_kms,
u32 *major, u32 *minor)
{
}
struct msm_kms *mdp5_kms_init(struct drm_device *dev)
-{
- struct platform_device *pdev = dev->platformdev;
- struct mdp5_cfg *config;
- struct mdp5_kms *mdp5_kms;
- struct msm_kms *kms = NULL;
- struct msm_mmu *mmu;
- uint32_t major, minor;
- int irq, i, ret;
-
- mdp5_kms = kzalloc(sizeof(*mdp5_kms), GFP_KERNEL);
- if (!mdp5_kms) {
- dev_err(dev->dev, "failed to allocate kms\n");
- ret = -ENOMEM;
- goto fail;
- }
-
- spin_lock_init(&mdp5_kms->resource_lock);
-
- mdp_kms_init(&mdp5_kms->base, &kms_funcs);
-
- kms = &mdp5_kms->base.base;
-
- mdp5_kms->dev = dev;
-
- /* mdp5_kms->mmio actually represents the MDSS base address */
- mdp5_kms->mmio = msm_ioremap(pdev, "mdp_phys", "MDP5");
- if (IS_ERR(mdp5_kms->mmio)) {
- ret = PTR_ERR(mdp5_kms->mmio);
- goto fail;
- }
-
- mdp5_kms->vbif = msm_ioremap(pdev, "vbif_phys", "VBIF");
- if (IS_ERR(mdp5_kms->vbif)) {
- ret = PTR_ERR(mdp5_kms->vbif);
- goto fail;
- }
-
- irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- ret = irq;
- dev_err(dev->dev, "failed to get irq: %d\n", ret);
- goto fail;
- }
-
- kms->irq = irq;
-
- mdp5_kms->vdd = devm_regulator_get(&pdev->dev, "vdd");
- if (IS_ERR(mdp5_kms->vdd)) {
- ret = PTR_ERR(mdp5_kms->vdd);
- goto fail;
- }
-
- ret = regulator_enable(mdp5_kms->vdd);
- if (ret) {
- dev_err(dev->dev, "failed to enable regulator vdd: %d\n", ret);
- goto fail;
- }
-
- /* mandatory clocks: */
- ret = get_clk(pdev, &mdp5_kms->axi_clk, "bus_clk", true);
- if (ret)
- goto fail;
- ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface_clk", true);
- if (ret)
- goto fail;
- ret = get_clk(pdev, &mdp5_kms->core_clk, "core_clk", true);
- if (ret)
- goto fail;
- ret = get_clk(pdev, &mdp5_kms->vsync_clk, "vsync_clk", true);
- if (ret)
- goto fail;
-
- /* optional clocks: */
- get_clk(pdev, &mdp5_kms->lut_clk, "lut_clk", false);
-
- /* we need to set a default rate before enabling. Set a safe
- * rate first, then figure out hw revision, and then set a
- * more optimal rate:
- */
- clk_set_rate(mdp5_kms->core_clk, 200000000);
-
- read_hw_revision(mdp5_kms, &major, &minor);
-
- mdp5_kms->cfg = mdp5_cfg_init(mdp5_kms, major, minor);
- if (IS_ERR(mdp5_kms->cfg)) {
- ret = PTR_ERR(mdp5_kms->cfg);
- mdp5_kms->cfg = NULL;
- goto fail;
- }
-
- config = mdp5_cfg_get_config(mdp5_kms->cfg);
- mdp5_kms->caps = config->hw->mdp.caps;
-
- /* TODO: compute core clock rate at runtime */
- clk_set_rate(mdp5_kms->core_clk, config->hw->max_clk);
-
- /*
- * Some chipsets have a Shared Memory Pool (SMP), while others
- * have dedicated latency buffering per source pipe instead;
- * this section initializes the SMP:
- */
- if (mdp5_kms->caps & MDP_CAP_SMP) {
- mdp5_kms->smp = mdp5_smp_init(mdp5_kms->dev, &config->hw->smp);
- if (IS_ERR(mdp5_kms->smp)) {
- ret = PTR_ERR(mdp5_kms->smp);
- mdp5_kms->smp = NULL;
- goto fail;
- }
- }
-
- mdp5_kms->ctlm = mdp5_ctlm_init(dev, mdp5_kms->mmio, mdp5_kms->cfg);
- if (IS_ERR(mdp5_kms->ctlm)) {
- ret = PTR_ERR(mdp5_kms->ctlm);
- mdp5_kms->ctlm = NULL;
- goto fail;
- }
-
- /* make sure things are off before attaching iommu (bootloader could
- * have left things on, in which case we'll start getting faults if
- * we don't disable):
- */
- mdp5_enable(mdp5_kms);
- for (i = 0; i < MDP5_INTF_NUM_MAX; i++) {
- if (mdp5_cfg_intf_is_virtual(config->hw->intf.connect[i]) ||
- !config->hw->intf.base[i])
- continue;
- mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(i), 0);
-
- mdp5_write(mdp5_kms, REG_MDP5_INTF_FRAME_LINE_COUNT_EN(i), 0x3);
- }
- mdp5_disable(mdp5_kms);
- mdelay(16);
-
- if (config->platform.iommu) {
- mmu = msm_iommu_new(&pdev->dev, config->platform.iommu);
- if (IS_ERR(mmu)) {
- ret = PTR_ERR(mmu);
- dev_err(dev->dev, "failed to init iommu: %d\n", ret);
- iommu_domain_free(config->platform.iommu);
- goto fail;
- }
-
- ret = mmu->funcs->attach(mmu, iommu_ports,
- ARRAY_SIZE(iommu_ports));
- if (ret) {
- dev_err(dev->dev, "failed to attach iommu: %d\n", ret);
- mmu->funcs->destroy(mmu);
- goto fail;
- }
- } else {
- dev_info(dev->dev, "no iommu, fallback to phys "
- "contig buffers for scanout\n");
- mmu = NULL;
- }
- mdp5_kms->mmu = mmu;
-
- mdp5_kms->id = msm_register_mmu(dev, mmu);
- if (mdp5_kms->id < 0) {
- ret = mdp5_kms->id;
- dev_err(dev->dev, "failed to register mdp5 iommu: %d\n", ret);
- goto fail;
- }
-
- ret = modeset_init(mdp5_kms);
- if (ret) {
- dev_err(dev->dev, "modeset_init failed: %d\n", ret);
- goto fail;
- }
-
- dev->mode_config.min_width = 0;
- dev->mode_config.min_height = 0;
- dev->mode_config.max_width = config->hw->lm.max_width;
- dev->mode_config.max_height = config->hw->lm.max_height;
-
- dev->driver->get_vblank_timestamp = mdp5_get_vblank_timestamp;
- dev->driver->get_scanout_position = mdp5_get_scanoutpos;
- dev->driver->get_vblank_counter = mdp5_get_vblank_counter;
- dev->max_vblank_count = 0xffffffff;
- dev->vblank_disable_immediate = true;
-
- return kms;
-
-fail:
- if (kms)
- mdp5_kms_destroy(kms);
- return ERR_PTR(ret);
-}
-
-struct msm_kms *mdp5_kms_init2(struct drm_device *dev)
{
struct msm_drm_private *priv = dev->dev_private;
struct platform_device *pdev;
return kms;
fail:
if (kms)
- mdp5_kms_destroy2(kms);
+ mdp5_kms_destroy(kms);
return ERR_PTR(ret);
}
projects / linux-beck.git / commitdiff