With the new kms_init/destroy funcs in place for MDP5, we can get rid of
the old kms funcs. Some members of the mdp5_kms struct also become
redundant, so we remove those too.

Signed-off-by: Archit Taneja <architt at codeaurora.org>
---
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c | 228 +-------------------------------
 drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h |   9 +-
 drivers/gpu/drm/msm/msm_drv.c           |   2 +-
 drivers/gpu/drm/msm/msm_kms.h           |   1 -
 4 files changed, 4 insertions(+), 236 deletions(-)

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c 
b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index 52d756d..e2caa87 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);
 }

diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h 
b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
index d681c02..d6a85fc 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.h
@@ -45,9 +45,7 @@ struct mdp5_kms {
        struct mdp5_ctl_manager *ctlm;

        /* io/register spaces: */
-       void __iomem *mmio, *vbif;
-
-       struct regulator *vdd;
+       void __iomem *mmio;

        struct clk *axi_clk;
        struct clk *ahb_clk;
@@ -62,11 +60,6 @@ struct mdp5_kms {
        spinlock_t resource_lock;

        struct mdp_irq error_handler;
-
-       struct {
-               volatile unsigned long enabled_mask;
-               struct irq_domain *domain;
-       } irqcontroller;
 };
 #define to_mdp5_kms(x) container_of(x, struct mdp5_kms, base)

diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 517f0ae..d650aac 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -390,7 +390,7 @@ static int msm_drm_init(struct device *dev, struct 
drm_driver *drv)
                priv->kms = kms;
                break;
        case 5:
-               kms = mdp5_kms_init2(ddev);
+               kms = mdp5_kms_init(ddev);
                break;
        default:
                kms = ERR_PTR(-ENODEV);
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 13f893d..40e41e5 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -73,7 +73,6 @@ static inline void msm_kms_init(struct msm_kms *kms,

 struct msm_kms *mdp4_kms_init(struct drm_device *dev);
 struct msm_kms *mdp5_kms_init(struct drm_device *dev);
-struct msm_kms *mdp5_kms_init2(struct drm_device *dev);
 int msm_mdss_init(struct drm_device *dev);
 void msm_mdss_destroy(struct drm_device *dev);

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