drm/i915: reorder dpll_info members
[sfrench/cifs-2.6.git] / drivers / gpu / drm / i915 / intel_dpll_mgr.c
index 51c5ae4e911647da1a64e5d8ea1e7de38e601933..d5e114e9660bb5424f4160cec46c823d07733246 100644 (file)
@@ -118,10 +118,10 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv,
        if (WARN(!pll, "asserting DPLL %s with no DPLL\n", onoff(state)))
                return;
 
-       cur_state = pll->funcs.get_hw_state(dev_priv, pll, &hw_state);
+       cur_state = pll->info->funcs->get_hw_state(dev_priv, pll, &hw_state);
        I915_STATE_WARN(cur_state != state,
             "%s assertion failure (expected %s, current %s)\n",
-                       pll->name, onoff(state), onoff(cur_state));
+                       pll->info->name, onoff(state), onoff(cur_state));
 }
 
 /**
@@ -143,11 +143,11 @@ void intel_prepare_shared_dpll(struct intel_crtc *crtc)
        mutex_lock(&dev_priv->dpll_lock);
        WARN_ON(!pll->state.crtc_mask);
        if (!pll->active_mask) {
-               DRM_DEBUG_DRIVER("setting up %s\n", pll->name);
+               DRM_DEBUG_DRIVER("setting up %s\n", pll->info->name);
                WARN_ON(pll->on);
                assert_shared_dpll_disabled(dev_priv, pll);
 
-               pll->funcs.prepare(dev_priv, pll);
+               pll->info->funcs->prepare(dev_priv, pll);
        }
        mutex_unlock(&dev_priv->dpll_lock);
 }
@@ -179,7 +179,7 @@ void intel_enable_shared_dpll(struct intel_crtc *crtc)
        pll->active_mask |= crtc_mask;
 
        DRM_DEBUG_KMS("enable %s (active %x, on? %d) for crtc %d\n",
-                     pll->name, pll->active_mask, pll->on,
+                     pll->info->name, pll->active_mask, pll->on,
                      crtc->base.base.id);
 
        if (old_mask) {
@@ -189,8 +189,8 @@ void intel_enable_shared_dpll(struct intel_crtc *crtc)
        }
        WARN_ON(pll->on);
 
-       DRM_DEBUG_KMS("enabling %s\n", pll->name);
-       pll->funcs.enable(dev_priv, pll);
+       DRM_DEBUG_KMS("enabling %s\n", pll->info->name);
+       pll->info->funcs->enable(dev_priv, pll);
        pll->on = true;
 
 out:
@@ -221,7 +221,7 @@ void intel_disable_shared_dpll(struct intel_crtc *crtc)
                goto out;
 
        DRM_DEBUG_KMS("disable %s (active %x, on? %d) for crtc %d\n",
-                     pll->name, pll->active_mask, pll->on,
+                     pll->info->name, pll->active_mask, pll->on,
                      crtc->base.base.id);
 
        assert_shared_dpll_enabled(dev_priv, pll);
@@ -231,8 +231,8 @@ void intel_disable_shared_dpll(struct intel_crtc *crtc)
        if (pll->active_mask)
                goto out;
 
-       DRM_DEBUG_KMS("disabling %s\n", pll->name);
-       pll->funcs.disable(dev_priv, pll);
+       DRM_DEBUG_KMS("disabling %s\n", pll->info->name);
+       pll->info->funcs->disable(dev_priv, pll);
        pll->on = false;
 
 out:
@@ -263,7 +263,8 @@ intel_find_shared_dpll(struct intel_crtc *crtc,
                           &shared_dpll[i].hw_state,
                           sizeof(crtc_state->dpll_hw_state)) == 0) {
                        DRM_DEBUG_KMS("[CRTC:%d:%s] sharing existing %s (crtc mask 0x%08x, active %x)\n",
-                                     crtc->base.base.id, crtc->base.name, pll->name,
+                                     crtc->base.base.id, crtc->base.name,
+                                     pll->info->name,
                                      shared_dpll[i].crtc_mask,
                                      pll->active_mask);
                        return pll;
@@ -275,7 +276,8 @@ intel_find_shared_dpll(struct intel_crtc *crtc,
                pll = &dev_priv->shared_dplls[i];
                if (shared_dpll[i].crtc_mask == 0) {
                        DRM_DEBUG_KMS("[CRTC:%d:%s] allocated %s\n",
-                                     crtc->base.base.id, crtc->base.name, pll->name);
+                                     crtc->base.base.id, crtc->base.name,
+                                     pll->info->name);
                        return pll;
                }
        }
@@ -289,19 +291,19 @@ intel_reference_shared_dpll(struct intel_shared_dpll *pll,
 {
        struct intel_shared_dpll_state *shared_dpll;
        struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
-       enum intel_dpll_id i = pll->id;
+       const enum intel_dpll_id id = pll->info->id;
 
        shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
 
-       if (shared_dpll[i].crtc_mask == 0)
-               shared_dpll[i].hw_state =
+       if (shared_dpll[id].crtc_mask == 0)
+               shared_dpll[id].hw_state =
                        crtc_state->dpll_hw_state;
 
        crtc_state->shared_dpll = pll;
-       DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
+       DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->info->name,
                         pipe_name(crtc->pipe));
 
-       shared_dpll[pll->id].crtc_mask |= 1 << crtc->pipe;
+       shared_dpll[id].crtc_mask |= 1 << crtc->pipe;
 }
 
 /**
@@ -341,15 +343,16 @@ static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv,
                                      struct intel_shared_dpll *pll,
                                      struct intel_dpll_hw_state *hw_state)
 {
+       const enum intel_dpll_id id = pll->info->id;
        uint32_t val;
 
        if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
                return false;
 
-       val = I915_READ(PCH_DPLL(pll->id));
+       val = I915_READ(PCH_DPLL(id));
        hw_state->dpll = val;
-       hw_state->fp0 = I915_READ(PCH_FP0(pll->id));
-       hw_state->fp1 = I915_READ(PCH_FP1(pll->id));
+       hw_state->fp0 = I915_READ(PCH_FP0(id));
+       hw_state->fp1 = I915_READ(PCH_FP1(id));
 
        intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
 
@@ -359,8 +362,10 @@ static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv,
 static void ibx_pch_dpll_prepare(struct drm_i915_private *dev_priv,
                                 struct intel_shared_dpll *pll)
 {
-       I915_WRITE(PCH_FP0(pll->id), pll->state.hw_state.fp0);
-       I915_WRITE(PCH_FP1(pll->id), pll->state.hw_state.fp1);
+       const enum intel_dpll_id id = pll->info->id;
+
+       I915_WRITE(PCH_FP0(id), pll->state.hw_state.fp0);
+       I915_WRITE(PCH_FP1(id), pll->state.hw_state.fp1);
 }
 
 static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
@@ -379,13 +384,15 @@ static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv)
 static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
                                struct intel_shared_dpll *pll)
 {
+       const enum intel_dpll_id id = pll->info->id;
+
        /* PCH refclock must be enabled first */
        ibx_assert_pch_refclk_enabled(dev_priv);
 
-       I915_WRITE(PCH_DPLL(pll->id), pll->state.hw_state.dpll);
+       I915_WRITE(PCH_DPLL(id), pll->state.hw_state.dpll);
 
        /* Wait for the clocks to stabilize. */
-       POSTING_READ(PCH_DPLL(pll->id));
+       POSTING_READ(PCH_DPLL(id));
        udelay(150);
 
        /* The pixel multiplier can only be updated once the
@@ -393,14 +400,15 @@ static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
         *
         * So write it again.
         */
-       I915_WRITE(PCH_DPLL(pll->id), pll->state.hw_state.dpll);
-       POSTING_READ(PCH_DPLL(pll->id));
+       I915_WRITE(PCH_DPLL(id), pll->state.hw_state.dpll);
+       POSTING_READ(PCH_DPLL(id));
        udelay(200);
 }
 
 static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
                                 struct intel_shared_dpll *pll)
 {
+       const enum intel_dpll_id id = pll->info->id;
        struct drm_device *dev = &dev_priv->drm;
        struct intel_crtc *crtc;
 
@@ -410,8 +418,8 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
                        assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
        }
 
-       I915_WRITE(PCH_DPLL(pll->id), 0);
-       POSTING_READ(PCH_DPLL(pll->id));
+       I915_WRITE(PCH_DPLL(id), 0);
+       POSTING_READ(PCH_DPLL(id));
        udelay(200);
 }
 
@@ -429,7 +437,8 @@ ibx_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
                pll = &dev_priv->shared_dplls[i];
 
                DRM_DEBUG_KMS("[CRTC:%d:%s] using pre-allocated %s\n",
-                             crtc->base.base.id, crtc->base.name, pll->name);
+                             crtc->base.base.id, crtc->base.name,
+                             pll->info->name);
        } else {
                pll = intel_find_shared_dpll(crtc, crtc_state,
                                             DPLL_ID_PCH_PLL_A,
@@ -466,8 +475,10 @@ static const struct intel_shared_dpll_funcs ibx_pch_dpll_funcs = {
 static void hsw_ddi_wrpll_enable(struct drm_i915_private *dev_priv,
                               struct intel_shared_dpll *pll)
 {
-       I915_WRITE(WRPLL_CTL(pll->id), pll->state.hw_state.wrpll);
-       POSTING_READ(WRPLL_CTL(pll->id));
+       const enum intel_dpll_id id = pll->info->id;
+
+       I915_WRITE(WRPLL_CTL(id), pll->state.hw_state.wrpll);
+       POSTING_READ(WRPLL_CTL(id));
        udelay(20);
 }
 
@@ -482,11 +493,12 @@ static void hsw_ddi_spll_enable(struct drm_i915_private *dev_priv,
 static void hsw_ddi_wrpll_disable(struct drm_i915_private *dev_priv,
                                  struct intel_shared_dpll *pll)
 {
+       const enum intel_dpll_id id = pll->info->id;
        uint32_t val;
 
-       val = I915_READ(WRPLL_CTL(pll->id));
-       I915_WRITE(WRPLL_CTL(pll->id), val & ~WRPLL_PLL_ENABLE);
-       POSTING_READ(WRPLL_CTL(pll->id));
+       val = I915_READ(WRPLL_CTL(id));
+       I915_WRITE(WRPLL_CTL(id), val & ~WRPLL_PLL_ENABLE);
+       POSTING_READ(WRPLL_CTL(id));
 }
 
 static void hsw_ddi_spll_disable(struct drm_i915_private *dev_priv,
@@ -503,12 +515,13 @@ static bool hsw_ddi_wrpll_get_hw_state(struct drm_i915_private *dev_priv,
                                       struct intel_shared_dpll *pll,
                                       struct intel_dpll_hw_state *hw_state)
 {
+       const enum intel_dpll_id id = pll->info->id;
        uint32_t val;
 
        if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
                return false;
 
-       val = I915_READ(WRPLL_CTL(pll->id));
+       val = I915_READ(WRPLL_CTL(id));
        hw_state->wrpll = val;
 
        intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS);
@@ -914,13 +927,15 @@ static const struct skl_dpll_regs skl_dpll_regs[4] = {
 static void skl_ddi_pll_write_ctrl1(struct drm_i915_private *dev_priv,
                                    struct intel_shared_dpll *pll)
 {
+       const enum intel_dpll_id id = pll->info->id;
        uint32_t val;
 
        val = I915_READ(DPLL_CTRL1);
 
-       val &= ~(DPLL_CTRL1_HDMI_MODE(pll->id) | DPLL_CTRL1_SSC(pll->id) |
-                DPLL_CTRL1_LINK_RATE_MASK(pll->id));
-       val |= pll->state.hw_state.ctrl1 << (pll->id * 6);
+       val &= ~(DPLL_CTRL1_HDMI_MODE(id) |
+                DPLL_CTRL1_SSC(id) |
+                DPLL_CTRL1_LINK_RATE_MASK(id));
+       val |= pll->state.hw_state.ctrl1 << (id * 6);
 
        I915_WRITE(DPLL_CTRL1, val);
        POSTING_READ(DPLL_CTRL1);
@@ -930,24 +945,25 @@ static void skl_ddi_pll_enable(struct drm_i915_private *dev_priv,
                               struct intel_shared_dpll *pll)
 {
        const struct skl_dpll_regs *regs = skl_dpll_regs;
+       const enum intel_dpll_id id = pll->info->id;
 
        skl_ddi_pll_write_ctrl1(dev_priv, pll);
 
-       I915_WRITE(regs[pll->id].cfgcr1, pll->state.hw_state.cfgcr1);
-       I915_WRITE(regs[pll->id].cfgcr2, pll->state.hw_state.cfgcr2);
-       POSTING_READ(regs[pll->id].cfgcr1);
-       POSTING_READ(regs[pll->id].cfgcr2);
+       I915_WRITE(regs[id].cfgcr1, pll->state.hw_state.cfgcr1);
+       I915_WRITE(regs[id].cfgcr2, pll->state.hw_state.cfgcr2);
+       POSTING_READ(regs[id].cfgcr1);
+       POSTING_READ(regs[id].cfgcr2);
 
        /* the enable bit is always bit 31 */
-       I915_WRITE(regs[pll->id].ctl,
-                  I915_READ(regs[pll->id].ctl) | LCPLL_PLL_ENABLE);
+       I915_WRITE(regs[id].ctl,
+                  I915_READ(regs[id].ctl) | LCPLL_PLL_ENABLE);
 
        if (intel_wait_for_register(dev_priv,
                                    DPLL_STATUS,
-                                   DPLL_LOCK(pll->id),
-                                   DPLL_LOCK(pll->id),
+                                   DPLL_LOCK(id),
+                                   DPLL_LOCK(id),
                                    5))
-               DRM_ERROR("DPLL %d not locked\n", pll->id);
+               DRM_ERROR("DPLL %d not locked\n", id);
 }
 
 static void skl_ddi_dpll0_enable(struct drm_i915_private *dev_priv,
@@ -960,11 +976,12 @@ static void skl_ddi_pll_disable(struct drm_i915_private *dev_priv,
                                struct intel_shared_dpll *pll)
 {
        const struct skl_dpll_regs *regs = skl_dpll_regs;
+       const enum intel_dpll_id id = pll->info->id;
 
        /* the enable bit is always bit 31 */
-       I915_WRITE(regs[pll->id].ctl,
-                  I915_READ(regs[pll->id].ctl) & ~LCPLL_PLL_ENABLE);
-       POSTING_READ(regs[pll->id].ctl);
+       I915_WRITE(regs[id].ctl,
+                  I915_READ(regs[id].ctl) & ~LCPLL_PLL_ENABLE);
+       POSTING_READ(regs[id].ctl);
 }
 
 static void skl_ddi_dpll0_disable(struct drm_i915_private *dev_priv,
@@ -978,6 +995,7 @@ static bool skl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
 {
        uint32_t val;
        const struct skl_dpll_regs *regs = skl_dpll_regs;
+       const enum intel_dpll_id id = pll->info->id;
        bool ret;
 
        if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
@@ -985,17 +1003,17 @@ static bool skl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
 
        ret = false;
 
-       val = I915_READ(regs[pll->id].ctl);
+       val = I915_READ(regs[id].ctl);
        if (!(val & LCPLL_PLL_ENABLE))
                goto out;
 
        val = I915_READ(DPLL_CTRL1);
-       hw_state->ctrl1 = (val >> (pll->id * 6)) & 0x3f;
+       hw_state->ctrl1 = (val >> (id * 6)) & 0x3f;
 
        /* avoid reading back stale values if HDMI mode is not enabled */
-       if (val & DPLL_CTRL1_HDMI_MODE(pll->id)) {
-               hw_state->cfgcr1 = I915_READ(regs[pll->id].cfgcr1);
-               hw_state->cfgcr2 = I915_READ(regs[pll->id].cfgcr2);
+       if (val & DPLL_CTRL1_HDMI_MODE(id)) {
+               hw_state->cfgcr1 = I915_READ(regs[id].cfgcr1);
+               hw_state->cfgcr2 = I915_READ(regs[id].cfgcr2);
        }
        ret = true;
 
@@ -1011,6 +1029,7 @@ static bool skl_ddi_dpll0_get_hw_state(struct drm_i915_private *dev_priv,
 {
        uint32_t val;
        const struct skl_dpll_regs *regs = skl_dpll_regs;
+       const enum intel_dpll_id id = pll->info->id;
        bool ret;
 
        if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_PLLS))
@@ -1019,12 +1038,12 @@ static bool skl_ddi_dpll0_get_hw_state(struct drm_i915_private *dev_priv,
        ret = false;
 
        /* DPLL0 is always enabled since it drives CDCLK */
-       val = I915_READ(regs[pll->id].ctl);
+       val = I915_READ(regs[id].ctl);
        if (WARN_ON(!(val & LCPLL_PLL_ENABLE)))
                goto out;
 
        val = I915_READ(DPLL_CTRL1);
-       hw_state->ctrl1 = (val >> (pll->id * 6)) & 0x3f;
+       hw_state->ctrl1 = (val >> (id * 6)) & 0x3f;
 
        ret = true;
 
@@ -1424,7 +1443,7 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *dev_priv,
                                struct intel_shared_dpll *pll)
 {
        uint32_t temp;
-       enum port port = (enum port)pll->id;    /* 1:1 port->PLL mapping */
+       enum port port = (enum port)pll->info->id; /* 1:1 port->PLL mapping */
        enum dpio_phy phy;
        enum dpio_channel ch;
 
@@ -1543,7 +1562,7 @@ static void bxt_ddi_pll_enable(struct drm_i915_private *dev_priv,
 static void bxt_ddi_pll_disable(struct drm_i915_private *dev_priv,
                                        struct intel_shared_dpll *pll)
 {
-       enum port port = (enum port)pll->id;    /* 1:1 port->PLL mapping */
+       enum port port = (enum port)pll->info->id; /* 1:1 port->PLL mapping */
        uint32_t temp;
 
        temp = I915_READ(BXT_PORT_PLL_ENABLE(port));
@@ -1566,7 +1585,7 @@ static bool bxt_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
                                        struct intel_shared_dpll *pll,
                                        struct intel_dpll_hw_state *hw_state)
 {
-       enum port port = (enum port)pll->id;    /* 1:1 port->PLL mapping */
+       enum port port = (enum port)pll->info->id; /* 1:1 port->PLL mapping */
        uint32_t val;
        bool ret;
        enum dpio_phy phy;
@@ -1824,7 +1843,7 @@ bxt_get_dpll(struct intel_crtc *crtc,
        pll = intel_get_shared_dpll_by_id(dev_priv, i);
 
        DRM_DEBUG_KMS("[CRTC:%d:%s] using pre-allocated %s\n",
-                     crtc->base.base.id, crtc->base.name, pll->name);
+                     crtc->base.base.id, crtc->base.name, pll->info->name);
 
        intel_reference_shared_dpll(pll, crtc_state);
 
@@ -1877,13 +1896,6 @@ static void intel_ddi_pll_init(struct drm_device *dev)
        }
 }
 
-struct dpll_info {
-       const char *name;
-       const int id;
-       const struct intel_shared_dpll_funcs *funcs;
-       uint32_t flags;
-};
-
 struct intel_dpll_mgr {
        const struct dpll_info *dpll_info;
 
@@ -1896,9 +1908,9 @@ struct intel_dpll_mgr {
 };
 
 static const struct dpll_info pch_plls[] = {
-       { "PCH DPLL A", DPLL_ID_PCH_PLL_A, &ibx_pch_dpll_funcs, 0 },
-       { "PCH DPLL B", DPLL_ID_PCH_PLL_B, &ibx_pch_dpll_funcs, 0 },
-       { NULL, -1, NULL, 0 },
+       { "PCH DPLL A", &ibx_pch_dpll_funcs, DPLL_ID_PCH_PLL_A, 0 },
+       { "PCH DPLL B", &ibx_pch_dpll_funcs, DPLL_ID_PCH_PLL_B, 0 },
+       { },
 };
 
 static const struct intel_dpll_mgr pch_pll_mgr = {
@@ -1908,13 +1920,13 @@ static const struct intel_dpll_mgr pch_pll_mgr = {
 };
 
 static const struct dpll_info hsw_plls[] = {
-       { "WRPLL 1",    DPLL_ID_WRPLL1,     &hsw_ddi_wrpll_funcs, 0 },
-       { "WRPLL 2",    DPLL_ID_WRPLL2,     &hsw_ddi_wrpll_funcs, 0 },
-       { "SPLL",       DPLL_ID_SPLL,       &hsw_ddi_spll_funcs,  0 },
-       { "LCPLL 810",  DPLL_ID_LCPLL_810,  &hsw_ddi_lcpll_funcs, INTEL_DPLL_ALWAYS_ON },
-       { "LCPLL 1350", DPLL_ID_LCPLL_1350, &hsw_ddi_lcpll_funcs, INTEL_DPLL_ALWAYS_ON },
-       { "LCPLL 2700", DPLL_ID_LCPLL_2700, &hsw_ddi_lcpll_funcs, INTEL_DPLL_ALWAYS_ON },
-       { NULL, -1, NULL, },
+       { "WRPLL 1",    &hsw_ddi_wrpll_funcs, DPLL_ID_WRPLL1,     0 },
+       { "WRPLL 2",    &hsw_ddi_wrpll_funcs, DPLL_ID_WRPLL2,     0 },
+       { "SPLL",       &hsw_ddi_spll_funcs,  DPLL_ID_SPLL,       0 },
+       { "LCPLL 810",  &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_810,  INTEL_DPLL_ALWAYS_ON },
+       { "LCPLL 1350", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_1350, INTEL_DPLL_ALWAYS_ON },
+       { "LCPLL 2700", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_2700, INTEL_DPLL_ALWAYS_ON },
+       { },
 };
 
 static const struct intel_dpll_mgr hsw_pll_mgr = {
@@ -1924,11 +1936,11 @@ static const struct intel_dpll_mgr hsw_pll_mgr = {
 };
 
 static const struct dpll_info skl_plls[] = {
-       { "DPLL 0", DPLL_ID_SKL_DPLL0, &skl_ddi_dpll0_funcs, INTEL_DPLL_ALWAYS_ON },
-       { "DPLL 1", DPLL_ID_SKL_DPLL1, &skl_ddi_pll_funcs,   0 },
-       { "DPLL 2", DPLL_ID_SKL_DPLL2, &skl_ddi_pll_funcs,   0 },
-       { "DPLL 3", DPLL_ID_SKL_DPLL3, &skl_ddi_pll_funcs,   0 },
-       { NULL, -1, NULL, },
+       { "DPLL 0", &skl_ddi_dpll0_funcs, DPLL_ID_SKL_DPLL0, INTEL_DPLL_ALWAYS_ON },
+       { "DPLL 1", &skl_ddi_pll_funcs,   DPLL_ID_SKL_DPLL1, 0 },
+       { "DPLL 2", &skl_ddi_pll_funcs,   DPLL_ID_SKL_DPLL2, 0 },
+       { "DPLL 3", &skl_ddi_pll_funcs,   DPLL_ID_SKL_DPLL3, 0 },
+       { },
 };
 
 static const struct intel_dpll_mgr skl_pll_mgr = {
@@ -1938,10 +1950,10 @@ static const struct intel_dpll_mgr skl_pll_mgr = {
 };
 
 static const struct dpll_info bxt_plls[] = {
-       { "PORT PLL A", DPLL_ID_SKL_DPLL0, &bxt_ddi_pll_funcs, 0 },
-       { "PORT PLL B", DPLL_ID_SKL_DPLL1, &bxt_ddi_pll_funcs, 0 },
-       { "PORT PLL C", DPLL_ID_SKL_DPLL2, &bxt_ddi_pll_funcs, 0 },
-       { NULL, -1, NULL, },
+       { "PORT PLL A", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL0, 0 },
+       { "PORT PLL B", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL1, 0 },
+       { "PORT PLL C", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL2, 0 },
+       { },
 };
 
 static const struct intel_dpll_mgr bxt_pll_mgr = {
@@ -1953,38 +1965,39 @@ static const struct intel_dpll_mgr bxt_pll_mgr = {
 static void cnl_ddi_pll_enable(struct drm_i915_private *dev_priv,
                               struct intel_shared_dpll *pll)
 {
+       const enum intel_dpll_id id = pll->info->id;
        uint32_t val;
 
        /* 1. Enable DPLL power in DPLL_ENABLE. */
-       val = I915_READ(CNL_DPLL_ENABLE(pll->id));
+       val = I915_READ(CNL_DPLL_ENABLE(id));
        val |= PLL_POWER_ENABLE;
-       I915_WRITE(CNL_DPLL_ENABLE(pll->id), val);
+       I915_WRITE(CNL_DPLL_ENABLE(id), val);
 
        /* 2. Wait for DPLL power state enabled in DPLL_ENABLE. */
        if (intel_wait_for_register(dev_priv,
-                                   CNL_DPLL_ENABLE(pll->id),
+                                   CNL_DPLL_ENABLE(id),
                                    PLL_POWER_STATE,
                                    PLL_POWER_STATE,
                                    5))
-               DRM_ERROR("PLL %d Power not enabled\n", pll->id);
+               DRM_ERROR("PLL %d Power not enabled\n", id);
 
        /*
         * 3. Configure DPLL_CFGCR0 to set SSC enable/disable,
         * select DP mode, and set DP link rate.
         */
        val = pll->state.hw_state.cfgcr0;
-       I915_WRITE(CNL_DPLL_CFGCR0(pll->id), val);
+       I915_WRITE(CNL_DPLL_CFGCR0(id), val);
 
        /* 4. Reab back to ensure writes completed */
-       POSTING_READ(CNL_DPLL_CFGCR0(pll->id));
+       POSTING_READ(CNL_DPLL_CFGCR0(id));
 
        /* 3. Configure DPLL_CFGCR0 */
        /* Avoid touch CFGCR1 if HDMI mode is not enabled */
        if (pll->state.hw_state.cfgcr0 & DPLL_CFGCR0_HDMI_MODE) {
                val = pll->state.hw_state.cfgcr1;
-               I915_WRITE(CNL_DPLL_CFGCR1(pll->id), val);
+               I915_WRITE(CNL_DPLL_CFGCR1(id), val);
                /* 4. Reab back to ensure writes completed */
-               POSTING_READ(CNL_DPLL_CFGCR1(pll->id));
+               POSTING_READ(CNL_DPLL_CFGCR1(id));
        }
 
        /*
@@ -1997,17 +2010,17 @@ static void cnl_ddi_pll_enable(struct drm_i915_private *dev_priv,
         */
 
        /* 6. Enable DPLL in DPLL_ENABLE. */
-       val = I915_READ(CNL_DPLL_ENABLE(pll->id));
+       val = I915_READ(CNL_DPLL_ENABLE(id));
        val |= PLL_ENABLE;
-       I915_WRITE(CNL_DPLL_ENABLE(pll->id), val);
+       I915_WRITE(CNL_DPLL_ENABLE(id), val);
 
        /* 7. Wait for PLL lock status in DPLL_ENABLE. */
        if (intel_wait_for_register(dev_priv,
-                                   CNL_DPLL_ENABLE(pll->id),
+                                   CNL_DPLL_ENABLE(id),
                                    PLL_LOCK,
                                    PLL_LOCK,
                                    5))
-               DRM_ERROR("PLL %d not locked\n", pll->id);
+               DRM_ERROR("PLL %d not locked\n", id);
 
        /*
         * 8. If the frequency will result in a change to the voltage
@@ -2027,6 +2040,7 @@ static void cnl_ddi_pll_enable(struct drm_i915_private *dev_priv,
 static void cnl_ddi_pll_disable(struct drm_i915_private *dev_priv,
                                struct intel_shared_dpll *pll)
 {
+       const enum intel_dpll_id id = pll->info->id;
        uint32_t val;
 
        /*
@@ -2044,17 +2058,17 @@ static void cnl_ddi_pll_disable(struct drm_i915_private *dev_priv,
         */
 
        /* 3. Disable DPLL through DPLL_ENABLE. */
-       val = I915_READ(CNL_DPLL_ENABLE(pll->id));
+       val = I915_READ(CNL_DPLL_ENABLE(id));
        val &= ~PLL_ENABLE;
-       I915_WRITE(CNL_DPLL_ENABLE(pll->id), val);
+       I915_WRITE(CNL_DPLL_ENABLE(id), val);
 
        /* 4. Wait for PLL not locked status in DPLL_ENABLE. */
        if (intel_wait_for_register(dev_priv,
-                                   CNL_DPLL_ENABLE(pll->id),
+                                   CNL_DPLL_ENABLE(id),
                                    PLL_LOCK,
                                    0,
                                    5))
-               DRM_ERROR("PLL %d locked\n", pll->id);
+               DRM_ERROR("PLL %d locked\n", id);
 
        /*
         * 5. If the frequency will result in a change to the voltage
@@ -2066,23 +2080,24 @@ static void cnl_ddi_pll_disable(struct drm_i915_private *dev_priv,
         */
 
        /* 6. Disable DPLL power in DPLL_ENABLE. */
-       val = I915_READ(CNL_DPLL_ENABLE(pll->id));
+       val = I915_READ(CNL_DPLL_ENABLE(id));
        val &= ~PLL_POWER_ENABLE;
-       I915_WRITE(CNL_DPLL_ENABLE(pll->id), val);
+       I915_WRITE(CNL_DPLL_ENABLE(id), val);
 
        /* 7. Wait for DPLL power state disabled in DPLL_ENABLE. */
        if (intel_wait_for_register(dev_priv,
-                                   CNL_DPLL_ENABLE(pll->id),
+                                   CNL_DPLL_ENABLE(id),
                                    PLL_POWER_STATE,
                                    0,
                                    5))
-               DRM_ERROR("PLL %d Power not disabled\n", pll->id);
+               DRM_ERROR("PLL %d Power not disabled\n", id);
 }
 
 static bool cnl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
                                     struct intel_shared_dpll *pll,
                                     struct intel_dpll_hw_state *hw_state)
 {
+       const enum intel_dpll_id id = pll->info->id;
        uint32_t val;
        bool ret;
 
@@ -2091,16 +2106,16 @@ static bool cnl_ddi_pll_get_hw_state(struct drm_i915_private *dev_priv,
 
        ret = false;
 
-       val = I915_READ(CNL_DPLL_ENABLE(pll->id));
+       val = I915_READ(CNL_DPLL_ENABLE(id));
        if (!(val & PLL_ENABLE))
                goto out;
 
-       val = I915_READ(CNL_DPLL_CFGCR0(pll->id));
+       val = I915_READ(CNL_DPLL_CFGCR0(id));
        hw_state->cfgcr0 = val;
 
        /* avoid reading back stale values if HDMI mode is not enabled */
        if (val & DPLL_CFGCR0_HDMI_MODE) {
-               hw_state->cfgcr1 = I915_READ(CNL_DPLL_CFGCR1(pll->id));
+               hw_state->cfgcr1 = I915_READ(CNL_DPLL_CFGCR1(id));
        }
        ret = true;
 
@@ -2372,10 +2387,10 @@ static const struct intel_shared_dpll_funcs cnl_ddi_pll_funcs = {
 };
 
 static const struct dpll_info cnl_plls[] = {
-       { "DPLL 0", DPLL_ID_SKL_DPLL0, &cnl_ddi_pll_funcs, 0 },
-       { "DPLL 1", DPLL_ID_SKL_DPLL1, &cnl_ddi_pll_funcs, 0 },
-       { "DPLL 2", DPLL_ID_SKL_DPLL2, &cnl_ddi_pll_funcs, 0 },
-       { NULL, -1, NULL, },
+       { "DPLL 0", &cnl_ddi_pll_funcs, DPLL_ID_SKL_DPLL0, 0 },
+       { "DPLL 1", &cnl_ddi_pll_funcs, DPLL_ID_SKL_DPLL1, 0 },
+       { "DPLL 2", &cnl_ddi_pll_funcs, DPLL_ID_SKL_DPLL2, 0 },
+       { },
 };
 
 static const struct intel_dpll_mgr cnl_pll_mgr = {
@@ -2415,13 +2430,9 @@ void intel_shared_dpll_init(struct drm_device *dev)
 
        dpll_info = dpll_mgr->dpll_info;
 
-       for (i = 0; dpll_info[i].id >= 0; i++) {
+       for (i = 0; dpll_info[i].name; i++) {
                WARN_ON(i != dpll_info[i].id);
-
-               dev_priv->shared_dplls[i].id = dpll_info[i].id;
-               dev_priv->shared_dplls[i].name = dpll_info[i].name;
-               dev_priv->shared_dplls[i].funcs = *dpll_info[i].funcs;
-               dev_priv->shared_dplls[i].flags = dpll_info[i].flags;
+               dev_priv->shared_dplls[i].info = &dpll_info[i];
        }
 
        dev_priv->dpll_mgr = dpll_mgr;
@@ -2481,7 +2492,7 @@ void intel_release_shared_dpll(struct intel_shared_dpll *dpll,
        struct intel_shared_dpll_state *shared_dpll_state;
 
        shared_dpll_state = intel_atomic_get_shared_dpll_state(state);
-       shared_dpll_state[dpll->id].crtc_mask &= ~(1 << crtc->pipe);
+       shared_dpll_state[dpll->info->id].crtc_mask &= ~(1 << crtc->pipe);
 }
 
 /**