]> Pileus Git - ~andy/linux/blobdiff - drivers/gpu/drm/i915/intel_display.c
drm/i915: move is_dual_link_lvds to intel_lvds.c
[~andy/linux] / drivers / gpu / drm / i915 / intel_display.c
index 3f7f62d370cb4eb9c609e70ab1220977c5dc7a82..2705da329ddf18bb92172a3e0e2ea036a556a1af 100644 (file)
@@ -472,61 +472,14 @@ static void vlv_init_dpio(struct drm_device *dev)
        POSTING_READ(DPIO_CTL);
 }
 
-static int intel_dual_link_lvds_callback(const struct dmi_system_id *id)
-{
-       DRM_INFO("Forcing lvds to dual link mode on %s\n", id->ident);
-       return 1;
-}
-
-static const struct dmi_system_id intel_dual_link_lvds[] = {
-       {
-               .callback = intel_dual_link_lvds_callback,
-               .ident = "Apple MacBook Pro (Core i5/i7 Series)",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro8,2"),
-               },
-       },
-       { }     /* terminating entry */
-};
-
-static bool is_dual_link_lvds(struct drm_i915_private *dev_priv,
-                             unsigned int reg)
-{
-       unsigned int val;
-
-       /* use the module option value if specified */
-       if (i915_lvds_channel_mode > 0)
-               return i915_lvds_channel_mode == 2;
-
-       if (dmi_check_system(intel_dual_link_lvds))
-               return true;
-
-       if (dev_priv->lvds_val)
-               val = dev_priv->lvds_val;
-       else {
-               /* BIOS should set the proper LVDS register value at boot, but
-                * in reality, it doesn't set the value when the lid is closed;
-                * we need to check "the value to be set" in VBT when LVDS
-                * register is uninitialized.
-                */
-               val = I915_READ(reg);
-               if (!(val & ~(LVDS_PIPE_MASK | LVDS_DETECTED)))
-                       val = dev_priv->bios_lvds_val;
-               dev_priv->lvds_val = val;
-       }
-       return (val & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP;
-}
-
 static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc,
                                                int refclk)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        const intel_limit_t *limit;
 
        if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-               if (is_dual_link_lvds(dev_priv, PCH_LVDS)) {
+               if (intel_is_dual_link_lvds(dev)) {
                        /* LVDS dual channel */
                        if (refclk == 100000)
                                limit = &intel_limits_ironlake_dual_lvds_100m;
@@ -550,11 +503,10 @@ static const intel_limit_t *intel_ironlake_limit(struct drm_crtc *crtc,
 static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        const intel_limit_t *limit;
 
        if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-               if (is_dual_link_lvds(dev_priv, LVDS))
+               if (intel_is_dual_link_lvds(dev))
                        /* LVDS with dual channel */
                        limit = &intel_limits_g4x_dual_channel_lvds;
                else
@@ -686,19 +638,16 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        intel_clock_t clock;
        int err = target;
 
-       if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-           (I915_READ(LVDS)) != 0) {
+       if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
                /*
-                * For LVDS, if the panel is on, just rely on its current
-                * settings for dual-channel.  We haven't figured out how to
-                * reliably set up different single/dual channel state, if we
-                * even can.
+                * For LVDS just rely on its current settings for dual-channel.
+                * We haven't figured out how to reliably set up different
+                * single/dual channel state, if we even can.
                 */
-               if (is_dual_link_lvds(dev_priv, LVDS))
+               if (intel_is_dual_link_lvds(dev))
                        clock.p2 = limit->p2.p2_fast;
                else
                        clock.p2 = limit->p2.p2_slow;
@@ -751,7 +700,6 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                        intel_clock_t *best_clock)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        intel_clock_t clock;
        int max_n;
        bool found;
@@ -766,8 +714,7 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
                        lvds_reg = PCH_LVDS;
                else
                        lvds_reg = LVDS;
-               if ((I915_READ(lvds_reg) & LVDS_CLKB_POWER_MASK) ==
-                   LVDS_CLKB_POWER_UP)
+               if (intel_is_dual_link_lvds(dev))
                        clock.p2 = limit->p2.p2_fast;
                else
                        clock.p2 = limit->p2.p2_slow;
@@ -4464,6 +4411,7 @@ static void i9xx_update_pll(struct drm_crtc *crtc,
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
        u32 dpll;
        bool is_sdvo;
@@ -4532,6 +4480,10 @@ static void i9xx_update_pll(struct drm_crtc *crtc,
        POSTING_READ(DPLL(pipe));
        udelay(150);
 
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               if (encoder->pre_pll_enable)
+                       encoder->pre_pll_enable(encoder);
+
        /* The LVDS pin pair needs to be on before the DPLLs are enabled.
         * This is an exception to the general rule that mode_set doesn't turn
         * things on.
@@ -4576,6 +4528,7 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
        u32 dpll;
 
@@ -4609,6 +4562,10 @@ static void i8xx_update_pll(struct drm_crtc *crtc,
        POSTING_READ(DPLL(pipe));
        udelay(150);
 
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               if (encoder->pre_pll_enable)
+                       encoder->pre_pll_enable(encoder);
+
        /* The LVDS pin pair needs to be on before the DPLLs are enabled.
         * This is an exception to the general rule that mode_set doesn't turn
         * things on.
@@ -5349,7 +5306,7 @@ static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc,
        if (is_lvds) {
                if ((intel_panel_use_ssc(dev_priv) &&
                     dev_priv->lvds_ssc_freq == 100) ||
-                   (I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP)
+                   intel_is_dual_link_lvds(dev))
                        factor = 25;
        } else if (is_sdvo && is_tv)
                factor = 20;
@@ -5537,6 +5494,10 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
                I915_WRITE(TRANSDPLINK_N1(pipe), 0);
        }
 
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               if (encoder->pre_pll_enable)
+                       encoder->pre_pll_enable(encoder);
+
        if (intel_crtc->pch_pll) {
                I915_WRITE(intel_crtc->pch_pll->pll_reg, dpll);
 
@@ -6945,8 +6906,6 @@ static void do_intel_finish_page_flip(struct drm_device *dev,
 
        obj = work->old_fb_obj;
 
-       atomic_clear_mask(1 << intel_crtc->plane,
-                         &obj->pending_flip.counter);
        wake_up(&dev_priv->pending_flip_queue);
 
        queue_work(dev_priv->wq, &work->work);
@@ -7292,10 +7251,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
        work->enable_stall_check = true;
 
-       /* Block clients from rendering to the new back buffer until
-        * the flip occurs and the object is no longer visible.
-        */
-       atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
        atomic_inc(&intel_crtc->unpin_work_count);
 
        ret = dev_priv->display.queue_flip(dev, crtc, fb, obj);
@@ -7312,7 +7267,6 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
 cleanup_pending:
        atomic_dec(&intel_crtc->unpin_work_count);
-       atomic_sub(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip);
        drm_gem_object_unreference(&work->old_fb_obj->base);
        drm_gem_object_unreference(&obj->base);
        mutex_unlock(&dev->struct_mutex);
@@ -8988,7 +8942,8 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
 
 /* Scan out the current hw modeset state, sanitizes it and maps it into the drm
  * and i915 state tracking structures. */
-void intel_modeset_setup_hw_state(struct drm_device *dev)
+void intel_modeset_setup_hw_state(struct drm_device *dev,
+                                 bool force_restore)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
        enum pipe pipe;
@@ -9087,7 +9042,15 @@ void intel_modeset_setup_hw_state(struct drm_device *dev)
                intel_sanitize_crtc(crtc);
        }
 
-       intel_modeset_update_staged_output_state(dev);
+       if (force_restore) {
+               for_each_pipe(pipe) {
+                       crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
+                       intel_set_mode(&crtc->base, &crtc->base.mode,
+                                      crtc->base.x, crtc->base.y, crtc->base.fb);
+               }
+       } else {
+               intel_modeset_update_staged_output_state(dev);
+       }
 
        intel_modeset_check_state(dev);
 
@@ -9100,7 +9063,7 @@ void intel_modeset_gem_init(struct drm_device *dev)
 
        intel_setup_overlay(dev);
 
-       intel_modeset_setup_hw_state(dev);
+       intel_modeset_setup_hw_state(dev, false);
 }
 
 void intel_modeset_cleanup(struct drm_device *dev)