diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c')
-rw-r--r-- | drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | 228 |
1 files changed, 2 insertions, 226 deletions
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 52d756d66016..e2caa877460a 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -121,26 +121,6 @@ static void mdp5_kms_destroy(struct msm_kms *kms) 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 = { @@ -158,7 +138,7 @@ 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, }; @@ -422,21 +402,6 @@ fail: 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) { @@ -592,195 +557,6 @@ static u32 mdp5_get_vblank_counter(struct drm_device *dev, unsigned int pipe) 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; struct mdp5_kms *mdp5_kms; @@ -878,7 +654,7 @@ struct msm_kms *mdp5_kms_init2(struct drm_device *dev) return kms; fail: if (kms) - mdp5_kms_destroy2(kms); + mdp5_kms_destroy(kms); return ERR_PTR(ret); } |