drm/i915: Move dpll crtc_mask and hw_state fields into separate struct

The new struct will be used in a follow up patch to allow a current and
a staged config to exist for the same shared DPLL.

v2: Rebase on by mask_to_refcount()->hweight32() change. (Damien)

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index ce32ae788c3c5c58f512b3958a4e3cb17913fb53..0a69813996423bc5332b8d6653ca80fa80f36932 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2631,13 +2631,14 @@ static int i915_shared_dplls_info(struct seq_file *m, void *unused)
 
                seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id);
                seq_printf(m, " crtc_mask: 0x%08x, active: %d, on: %s\n",
-                          pll->crtc_mask, pll->active, yesno(pll->on));
+                          pll->config.crtc_mask, pll->active, yesno(pll->on));
                seq_printf(m, " tracked hardware state:\n");
-               seq_printf(m, " dpll:    0x%08x\n", pll->hw_state.dpll);
-               seq_printf(m, " dpll_md: 0x%08x\n", pll->hw_state.dpll_md);
-               seq_printf(m, " fp0:     0x%08x\n", pll->hw_state.fp0);
-               seq_printf(m, " fp1:     0x%08x\n", pll->hw_state.fp1);
-               seq_printf(m, " wrpll:   0x%08x\n", pll->hw_state.wrpll);
+               seq_printf(m, " dpll:    0x%08x\n", pll->config.hw_state.dpll);
+               seq_printf(m, " dpll_md: 0x%08x\n",
+                          pll->config.hw_state.dpll_md);
+               seq_printf(m, " fp0:     0x%08x\n", pll->config.hw_state.fp0);
+               seq_printf(m, " fp1:     0x%08x\n", pll->config.hw_state.fp1);
+               seq_printf(m, " wrpll:   0x%08x\n", pll->config.hw_state.wrpll);
        }
        drm_modeset_unlock_all(dev);
 

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4f4eef701ce0150c7826058172bac706c0614e3c..62a8e058d7db8aaff1ee114609f86d304fb048c7 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -229,14 +229,18 @@ struct intel_dpll_hw_state {
        uint32_t wrpll;
 };
 
-struct intel_shared_dpll {
+struct intel_shared_dpll_config {
        unsigned crtc_mask; /* mask of CRTCs sharing this PLL */
+       struct intel_dpll_hw_state hw_state;
+};
+
+struct intel_shared_dpll {
+       struct intel_shared_dpll_config config;
        int active; /* count of number of active CRTCs (i.e. DPMS on) */
        bool on; /* is the PLL actually active? Disabled during modeset */
        const char *name;
        /* should match the index in the dev_priv->shared_dplls array */
        enum intel_dpll_id id;
-       struct intel_dpll_hw_state hw_state;
        /* The mode_set hook is optional and should be used together with the
         * intel_prepare_shared_dpll function. */
        void (*mode_set)(struct drm_i915_private *dev_priv,

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index d41768846f18a7b8351b3a64938b69a9a185e533..6f9712bba2102b90382b4785edd48e65800d5e81 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1312,7 +1312,7 @@ int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
 static void hsw_ddi_pll_enable(struct drm_i915_private *dev_priv,
                               struct intel_shared_dpll *pll)
 {
-       I915_WRITE(WRPLL_CTL(pll->id), pll->hw_state.wrpll);
+       I915_WRITE(WRPLL_CTL(pll->id), pll->config.hw_state.wrpll);
        POSTING_READ(WRPLL_CTL(pll->id));
        udelay(20);
 }

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5219b29719ad01353781b8ef62030586dda626a8..5eb4754096575a3ed730d3d73d8af8985d5949f2 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1779,7 +1779,7 @@ static void intel_prepare_shared_dpll(struct intel_crtc *crtc)
        if (WARN_ON(pll == NULL))
                return;
 
-       WARN_ON(!pll->crtc_mask);
+       WARN_ON(!pll->config.crtc_mask);
        if (pll->active == 0) {
                DRM_DEBUG_DRIVER("setting up %s\n", pll->name);
                WARN_ON(pll->on);
@@ -1806,7 +1806,7 @@ static void intel_enable_shared_dpll(struct intel_crtc *crtc)
        if (WARN_ON(pll == NULL))
                return;
 
-       if (WARN_ON(pll->crtc_mask == 0))
+       if (WARN_ON(pll->config.crtc_mask == 0))
                return;
 
        DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n",
@@ -1838,7 +1838,7 @@ static void intel_disable_shared_dpll(struct intel_crtc *crtc)
        if (WARN_ON(pll == NULL))
               return;
 
-       if (WARN_ON(pll->crtc_mask == 0))
+       if (WARN_ON(pll->config.crtc_mask == 0))
                return;
 
        DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n",
@@ -3846,13 +3846,13 @@ void intel_put_shared_dpll(struct intel_crtc *crtc)
        if (pll == NULL)
                return;
 
-       if (!(pll->crtc_mask & (1 << crtc->pipe))) {
+       if (!(pll->config.crtc_mask & (1 << crtc->pipe))) {
                WARN(1, "bad %s crtc mask\n", pll->name);
                return;
        }
 
-       pll->crtc_mask &= ~(1 << crtc->pipe);
-       if (pll->crtc_mask == 0) {
+       pll->config.crtc_mask &= ~(1 << crtc->pipe);
+       if (pll->config.crtc_mask == 0) {
                WARN_ON(pll->on);
                WARN_ON(pll->active);
        }
@@ -3880,7 +3880,7 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc)
                DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
                              crtc->base.base.id, pll->name);
 
-               WARN_ON(pll->crtc_mask);
+               WARN_ON(pll->config.crtc_mask);
 
                goto found;
        }
@@ -3889,15 +3889,16 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc)
                pll = &dev_priv->shared_dplls[i];
 
                /* Only want to check enabled timings first */
-               if (pll->crtc_mask == 0)
+               if (pll->config.crtc_mask == 0)
                        continue;
 
-               if (memcmp(&crtc->config.dpll_hw_state, &pll->hw_state,
-                          sizeof(pll->hw_state)) == 0) {
+               if (memcmp(&crtc->config.dpll_hw_state,
+                          &pll->config.hw_state,
+                          sizeof(pll->config.hw_state)) == 0) {
                        DRM_DEBUG_KMS("CRTC:%d sharing existing %s "
                                      "(crtc_mask 0x%08x, active %d)\n",
                                      crtc->base.base.id, pll->name,
-                                     pll->crtc_mask, pll->active);
+                                     pll->config.crtc_mask, pll->active);
 
                        goto found;
                }
@@ -3906,7 +3907,7 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc)
        /* Ok no matching timings, maybe there's a free one? */
        for (i = 0; i < dev_priv->num_shared_dpll; i++) {
                pll = &dev_priv->shared_dplls[i];
-               if (pll->crtc_mask == 0) {
+               if (pll->config.crtc_mask == 0) {
                        DRM_DEBUG_KMS("CRTC:%d allocated %s\n",
                                      crtc->base.base.id, pll->name);
                        goto found;
@@ -3916,14 +3917,14 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc)
        return NULL;
 
 found:
-       if (pll->crtc_mask == 0)
-               pll->hw_state = crtc->config.dpll_hw_state;
+       if (pll->config.crtc_mask == 0)
+               pll->config.hw_state = crtc->config.dpll_hw_state;
 
        crtc->config.shared_dpll = i;
        DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
                         pipe_name(crtc->pipe));
 
-       pll->crtc_mask |= 1 << crtc->pipe;
+       pll->config.crtc_mask |= 1 << crtc->pipe;
 
        return pll;
 }
@@ -10606,9 +10607,9 @@ check_shared_dpll_state(struct drm_device *dev)
 
                active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state);
 
-               WARN(pll->active > hweight32(pll->crtc_mask),
+               WARN(pll->active > hweight32(pll->config.crtc_mask),
                     "more active pll users than references: %i vs %i\n",
-                    pll->active, hweight32(pll->crtc_mask));
+                    pll->active, hweight32(pll->config.crtc_mask));
                WARN(pll->active && !pll->on,
                     "pll in active use but not on in sw tracking\n");
                WARN(pll->on && !pll->active,
@@ -10626,11 +10627,11 @@ check_shared_dpll_state(struct drm_device *dev)
                WARN(pll->active != active_crtcs,
                     "pll active crtcs mismatch (expected %i, found %i)\n",
                     pll->active, active_crtcs);
-               WARN(hweight32(pll->crtc_mask) != enabled_crtcs,
+               WARN(hweight32(pll->config.crtc_mask) != enabled_crtcs,
                     "pll enabled crtcs mismatch (expected %i, found %i)\n",
-                    hweight32(pll->crtc_mask), enabled_crtcs);
+                    hweight32(pll->config.crtc_mask), enabled_crtcs);
 
-               WARN(pll->on && memcmp(&pll->hw_state, &dpll_hw_state,
+               WARN(pll->on && memcmp(&pll->config.hw_state, &dpll_hw_state,
                                       sizeof(dpll_hw_state)),
                     "pll hw state mismatch\n");
        }
@@ -11305,8 +11306,8 @@ static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv,
 static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv,
                                  struct intel_shared_dpll *pll)
 {
-       I915_WRITE(PCH_FP0(pll->id), pll->hw_state.fp0);
-       I915_WRITE(PCH_FP1(pll->id), pll->hw_state.fp1);
+       I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0);
+       I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1);
 }
 
 static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
@@ -11315,7 +11316,7 @@ static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
        /* PCH refclock must be enabled first */
        ibx_assert_pch_refclk_enabled(dev_priv);
 
-       I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll);
+       I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll);
 
        /* Wait for the clocks to stabilize. */
        POSTING_READ(PCH_DPLL(pll->id));
@@ -11326,7 +11327,7 @@ static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv,
         *
         * So write it again.
         */
-       I915_WRITE(PCH_DPLL(pll->id), pll->hw_state.dpll);
+       I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll);
        POSTING_READ(PCH_DPLL(pll->id));
        udelay(200);
 }
@@ -13077,20 +13078,21 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
        for (i = 0; i < dev_priv->num_shared_dpll; i++) {
                struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i];
 
-               pll->on = pll->get_hw_state(dev_priv, pll, &pll->hw_state);
+               pll->on = pll->get_hw_state(dev_priv, pll,
+                                           &pll->config.hw_state);
                pll->active = 0;
-               pll->crtc_mask = 0;
+               pll->config.crtc_mask = 0;
                for_each_intel_crtc(dev, crtc) {
                        if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) {
                                pll->active++;
-                               pll->crtc_mask |= 1 << crtc->pipe;
+                               pll->config.crtc_mask |= 1 << crtc->pipe;
                        }
                }
 
                DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n",
-                             pll->name, pll->crtc_mask, pll->on);
+                             pll->name, pll->config.crtc_mask, pll->on);
 
-               if (pll->crtc_mask)
+               if (pll->config.crtc_mask)
                        intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS);
        }