/* Load PM4: */
        ptr = (uint32_t *)(adreno_gpu->pm4->data);
        len = adreno_gpu->pm4->size / 4;
-       DBG("loading PM4 ucode version: %u", ptr[0]);
+       DBG("loading PM4 ucode version: %x", ptr[1]);
 
        gpu_write(gpu, REG_AXXX_CP_DEBUG,
                        AXXX_CP_DEBUG_DYNAMIC_CLK_DISABLE |
        /* Load PFP: */
        ptr = (uint32_t *)(adreno_gpu->pfp->data);
        len = adreno_gpu->pfp->size / 4;
-       DBG("loading PFP ucode version: %u", ptr[0]);
+       DBG("loading PFP ucode version: %x", ptr[5]);
 
        gpu_write(gpu, REG_A3XX_CP_PFP_UCODE_ADDR, 0);
        for (i = 1; i < len; i++)
                config.slow_rate = 27000000;
                config.bus_freq  = 4;
                config.rev = ADRENO_REV(3, 2, 1, 0);
-       } else if (cpu_is_apq8064() || cpu_is_msm8960ab()) {
+       } else if (cpu_is_apq8064()) {
                config.fast_rate = 400000000;
                config.slow_rate = 27000000;
                config.bus_freq  = 4;
                else
                        config.rev = ADRENO_REV(3, 2, 0, 0);
 
+       } else if (cpu_is_msm8960ab()) {
+               config.fast_rate = 400000000;
+               config.slow_rate = 320000000;
+               config.bus_freq  = 4;
+
+               if (SOCINFO_VERSION_MINOR(version) == 0)
+                       config.rev = ADRENO_REV(3, 2, 1, 0);
+               else
+                       config.rev = ADRENO_REV(3, 2, 1, 1);
+
        } else if (cpu_is_msm8930()) {
                config.fast_rate = 400000000;
                config.slow_rate = 27000000;
 
 
        hdmi->mvs = devm_regulator_get(&pdev->dev, "8901_hdmi_mvs");
        if (IS_ERR(hdmi->mvs))
-               hdmi->mvs = devm_regulator_get(&pdev->dev, "hdmi_mvs");
+               hdmi->mvs = devm_regulator_get(&pdev->dev, "8921_hdmi_mvs");
        if (IS_ERR(hdmi->mvs)) {
                ret = PTR_ERR(hdmi->mvs);
                dev_err(dev->dev, "failed to get mvs regulator: %d\n", ret);
                config.ddc_data_gpio = 71;
                config.hpd_gpio      = 72;
                config.pmic_gpio     = 13 + NR_GPIO_IRQS;
-       } else if (cpu_is_msm8960()) {
+       } else if (cpu_is_msm8960() || cpu_is_msm8960ab()) {
                config.phy_init      = hdmi_phy_8960_init;
                config.ddc_clk_gpio  = 100;
                config.ddc_data_gpio = 101;
 
 
        pm_runtime_get_sync(dev->dev);
 
+       mdp4_enable(mdp4_kms);
        version = mdp4_read(mdp4_kms, REG_MDP4_VERSION);
+       mdp4_disable(mdp4_kms);
 
        major = FIELD(version, MDP4_VERSION_MAJOR);
        minor = FIELD(version, MDP4_VERSION_MINOR);
         * have left things on, in which case we'll start getting faults if
         * we don't disable):
         */
+       mdp4_enable(mdp4_kms);
        mdp4_write(mdp4_kms, REG_MDP4_DTV_ENABLE, 0);
        mdp4_write(mdp4_kms, REG_MDP4_LCDC_ENABLE, 0);
        mdp4_write(mdp4_kms, REG_MDP4_DSI_ENABLE, 0);
+       mdp4_disable(mdp4_kms);
        mdelay(16);
 
        if (config->iommu) {