Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[cascardo/linux.git] / drivers / gpu / drm / i915 / intel_sprite.c
index ad6ec4b..b9fabf8 100644 (file)
@@ -260,14 +260,14 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
        if (obj->tiling_mode != I915_TILING_NONE)
                sprctl |= SPRITE_TILED;
 
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                sprctl &= ~SPRITE_TRICKLE_FEED_DISABLE;
        else
                sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
 
        sprctl |= SPRITE_ENABLE;
 
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                sprctl |= SPRITE_PIPE_CSC_ENABLE;
 
        intel_update_sprite_watermarks(plane, crtc, src_w, pixel_size, true,
@@ -288,7 +288,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
                dev_priv->sprite_scaling_enabled |= 1 << pipe;
 
                if (!scaling_was_enabled) {
-                       intel_update_watermarks(dev);
+                       intel_update_watermarks(crtc);
                        intel_wait_for_vblank(dev, pipe);
                }
                sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
@@ -306,7 +306,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 
        /* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
         * register */
-       if (IS_HASWELL(dev))
+       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
                I915_WRITE(SPROFFSET(pipe), (y << 16) | x);
        else if (obj->tiling_mode != I915_TILING_NONE)
                I915_WRITE(SPRTILEOFF(pipe), (y << 16) | x);
@@ -323,7 +323,7 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 
        /* potentially re-enable LP watermarks */
        if (scaling_was_enabled && !dev_priv->sprite_scaling_enabled)
-               intel_update_watermarks(dev);
+               intel_update_watermarks(crtc);
 }
 
 static void
@@ -349,7 +349,7 @@ ivb_disable_plane(struct drm_plane *plane, struct drm_crtc *crtc)
 
        /* potentially re-enable LP watermarks */
        if (scaling_was_enabled && !dev_priv->sprite_scaling_enabled)
-               intel_update_watermarks(dev);
+               intel_update_watermarks(crtc);
 }
 
 static int
@@ -521,13 +521,28 @@ intel_enable_primary(struct drm_crtc *crtc)
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int reg = DSPCNTR(intel_crtc->plane);
 
-       if (!intel_crtc->primary_disabled)
+       if (intel_crtc->primary_enabled)
                return;
 
-       intel_crtc->primary_disabled = false;
-       intel_update_fbc(dev);
+       intel_crtc->primary_enabled = true;
 
        I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE);
+       intel_flush_primary_plane(dev_priv, intel_crtc->plane);
+
+       /*
+        * FIXME IPS should be fine as long as one plane is
+        * enabled, but in practice it seems to have problems
+        * when going from primary only to sprite only and vice
+        * versa.
+        */
+       if (intel_crtc->config.ips_enabled) {
+               intel_wait_for_vblank(dev, intel_crtc->pipe);
+               hsw_enable_ips(intel_crtc);
+       }
+
+       mutex_lock(&dev->struct_mutex);
+       intel_update_fbc(dev);
+       mutex_unlock(&dev->struct_mutex);
 }
 
 static void
@@ -538,13 +553,26 @@ intel_disable_primary(struct drm_crtc *crtc)
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int reg = DSPCNTR(intel_crtc->plane);
 
-       if (intel_crtc->primary_disabled)
+       if (!intel_crtc->primary_enabled)
                return;
 
-       I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE);
+       intel_crtc->primary_enabled = false;
 
-       intel_crtc->primary_disabled = true;
-       intel_update_fbc(dev);
+       mutex_lock(&dev->struct_mutex);
+       if (dev_priv->fbc.plane == intel_crtc->plane)
+               intel_disable_fbc(dev);
+       mutex_unlock(&dev->struct_mutex);
+
+       /*
+        * FIXME IPS should be fine as long as one plane is
+        * enabled, but in practice it seems to have problems
+        * when going from primary only to sprite only and vice
+        * versa.
+        */
+       hsw_disable_ips(intel_crtc);
+
+       I915_WRITE(reg, I915_READ(reg) & ~DISPLAY_PLANE_ENABLE);
+       intel_flush_primary_plane(dev_priv, intel_crtc->plane);
 }
 
 static int
@@ -623,15 +651,12 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
                   uint32_t src_w, uint32_t src_h)
 {
        struct drm_device *dev = plane->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_plane *intel_plane = to_intel_plane(plane);
-       struct intel_framebuffer *intel_fb;
-       struct drm_i915_gem_object *obj, *old_obj;
-       int pipe = intel_plane->pipe;
-       enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv,
-                                                                     pipe);
-       int ret = 0;
+       struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
+       struct drm_i915_gem_object *obj = intel_fb->obj;
+       struct drm_i915_gem_object *old_obj = intel_plane->obj;
+       int ret;
        bool disable_primary = false;
        bool visible;
        int hscale, vscale;
@@ -652,29 +677,23 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
                .y2 = crtc_y + crtc_h,
        };
        const struct drm_rect clip = {
-               .x2 = crtc->mode.hdisplay,
-               .y2 = crtc->mode.vdisplay,
+               .x2 = intel_crtc->active ? intel_crtc->config.pipe_src_w : 0,
+               .y2 = intel_crtc->active ? intel_crtc->config.pipe_src_h : 0,
+       };
+       const struct {
+               int crtc_x, crtc_y;
+               unsigned int crtc_w, crtc_h;
+               uint32_t src_x, src_y, src_w, src_h;
+       } orig = {
+               .crtc_x = crtc_x,
+               .crtc_y = crtc_y,
+               .crtc_w = crtc_w,
+               .crtc_h = crtc_h,
+               .src_x = src_x,
+               .src_y = src_y,
+               .src_w = src_w,
+               .src_h = src_h,
        };
-
-       intel_fb = to_intel_framebuffer(fb);
-       obj = intel_fb->obj;
-
-       old_obj = intel_plane->obj;
-
-       intel_plane->crtc_x = crtc_x;
-       intel_plane->crtc_y = crtc_y;
-       intel_plane->crtc_w = crtc_w;
-       intel_plane->crtc_h = crtc_h;
-       intel_plane->src_x = src_x;
-       intel_plane->src_y = src_y;
-       intel_plane->src_w = src_w;
-       intel_plane->src_h = src_h;
-
-       /* Pipe must be running... */
-       if (!(I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_ENABLE)) {
-               DRM_DEBUG_KMS("Pipe disabled\n");
-               return -EINVAL;
-       }
 
        /* Don't modify another pipe's plane */
        if (intel_plane->pipe != intel_crtc->pipe) {
@@ -810,7 +829,7 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
         * we can disable the primary and save power.
         */
        disable_primary = drm_rect_equals(&dst, &clip);
-       WARN_ON(disable_primary && !visible);
+       WARN_ON(disable_primary && !visible && intel_crtc->active);
 
        mutex_lock(&dev->struct_mutex);
 
@@ -820,27 +839,40 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
         * the sprite planes only require 128KiB alignment and 32 PTE padding.
         */
        ret = intel_pin_and_fence_fb_obj(dev, obj, NULL);
-       if (ret)
-               goto out_unlock;
 
-       intel_plane->obj = obj;
-
-       /*
-        * Be sure to re-enable the primary before the sprite is no longer
-        * covering it fully.
-        */
-       if (!disable_primary)
-               intel_enable_primary(crtc);
+       mutex_unlock(&dev->struct_mutex);
 
-       if (visible)
-               intel_plane->update_plane(plane, crtc, fb, obj,
-                                         crtc_x, crtc_y, crtc_w, crtc_h,
-                                         src_x, src_y, src_w, src_h);
-       else
-               intel_plane->disable_plane(plane, crtc);
+       if (ret)
+               return ret;
+
+       intel_plane->crtc_x = orig.crtc_x;
+       intel_plane->crtc_y = orig.crtc_y;
+       intel_plane->crtc_w = orig.crtc_w;
+       intel_plane->crtc_h = orig.crtc_h;
+       intel_plane->src_x = orig.src_x;
+       intel_plane->src_y = orig.src_y;
+       intel_plane->src_w = orig.src_w;
+       intel_plane->src_h = orig.src_h;
+       intel_plane->obj = obj;
 
-       if (disable_primary)
-               intel_disable_primary(crtc);
+       if (intel_crtc->active) {
+               /*
+                * Be sure to re-enable the primary before the sprite is no longer
+                * covering it fully.
+                */
+               if (!disable_primary)
+                       intel_enable_primary(crtc);
+
+               if (visible)
+                       intel_plane->update_plane(plane, crtc, fb, obj,
+                                                 crtc_x, crtc_y, crtc_w, crtc_h,
+                                                 src_x, src_y, src_w, src_h);
+               else
+                       intel_plane->disable_plane(plane, crtc);
+
+               if (disable_primary)
+                       intel_disable_primary(crtc);
+       }
 
        /* Unpin old obj after new one is active to avoid ugliness */
        if (old_obj) {
@@ -850,17 +882,15 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
                 * wait for vblank to avoid ugliness, we only need to
                 * do the pin & ref bookkeeping.
                 */
-               if (old_obj != obj) {
-                       mutex_unlock(&dev->struct_mutex);
-                       intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe);
-                       mutex_lock(&dev->struct_mutex);
-               }
+               if (old_obj != obj && intel_crtc->active)
+                       intel_wait_for_vblank(dev, intel_crtc->pipe);
+
+               mutex_lock(&dev->struct_mutex);
                intel_unpin_fb_obj(old_obj);
+               mutex_unlock(&dev->struct_mutex);
        }
 
-out_unlock:
-       mutex_unlock(&dev->struct_mutex);
-       return ret;
+       return 0;
 }
 
 static int
@@ -868,7 +898,7 @@ intel_disable_plane(struct drm_plane *plane)
 {
        struct drm_device *dev = plane->dev;
        struct intel_plane *intel_plane = to_intel_plane(plane);
-       int ret = 0;
+       struct intel_crtc *intel_crtc;
 
        if (!plane->fb)
                return 0;
@@ -876,21 +906,25 @@ intel_disable_plane(struct drm_plane *plane)
        if (WARN_ON(!plane->crtc))
                return -EINVAL;
 
-       intel_enable_primary(plane->crtc);
-       intel_plane->disable_plane(plane, plane->crtc);
+       intel_crtc = to_intel_crtc(plane->crtc);
 
-       if (!intel_plane->obj)
-               goto out;
+       if (intel_crtc->active) {
+               intel_enable_primary(plane->crtc);
+               intel_plane->disable_plane(plane, plane->crtc);
+       }
 
-       intel_wait_for_vblank(dev, intel_plane->pipe);
+       if (intel_plane->obj) {
+               if (intel_crtc->active)
+                       intel_wait_for_vblank(dev, intel_plane->pipe);
 
-       mutex_lock(&dev->struct_mutex);
-       intel_unpin_fb_obj(intel_plane->obj);
-       intel_plane->obj = NULL;
-       mutex_unlock(&dev->struct_mutex);
-out:
+               mutex_lock(&dev->struct_mutex);
+               intel_unpin_fb_obj(intel_plane->obj);
+               mutex_unlock(&dev->struct_mutex);
 
-       return ret;
+               intel_plane->obj = NULL;
+       }
+
+       return 0;
 }
 
 static void intel_destroy_plane(struct drm_plane *plane)
@@ -921,7 +955,7 @@ int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 
        obj = drm_mode_object_find(dev, set->plane_id, DRM_MODE_OBJECT_PLANE);
        if (!obj) {
-               ret = -EINVAL;
+               ret = -ENOENT;
                goto out_unlock;
        }
 
@@ -950,7 +984,7 @@ int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
 
        obj = drm_mode_object_find(dev, get->plane_id, DRM_MODE_OBJECT_PLANE);
        if (!obj) {
-               ret = -EINVAL;
+               ret = -ENOENT;
                goto out_unlock;
        }
 
@@ -1034,7 +1068,7 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
        if (INTEL_INFO(dev)->gen < 5)
                return -ENODEV;
 
-       intel_plane = kzalloc(sizeof(struct intel_plane), GFP_KERNEL);
+       intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL);
        if (!intel_plane)
                return -ENOMEM;
 
@@ -1058,6 +1092,7 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
                break;
 
        case 7:
+       case 8:
                if (IS_IVYBRIDGE(dev)) {
                        intel_plane->can_scale = true;
                        intel_plane->max_downscale = 2;