Merge remote branch 'airlied/drm-fixes' into drm-intel-fixes

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 90414ae..409826d 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1045,6 +1045,8 @@ void i915_gem_clflush_object(struct drm_gem_object *obj);
 int i915_gem_object_set_domain(struct drm_gem_object *obj,
                               uint32_t read_domains,
                               uint32_t write_domain);
+int i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj,
+                             bool interruptible);
 int i915_gem_init_ringbuffer(struct drm_device *dev);
 void i915_gem_cleanup_ringbuffer(struct drm_device *dev);
 int i915_gem_do_init(struct drm_device *dev, unsigned long start,

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ef188e3..781c26c 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2907,6 +2907,20 @@ i915_gem_object_set_to_display_plane(struct drm_gem_object *obj,
        return 0;
 }
 
+int
+i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj,
+                         bool interruptible)
+{
+       if (!obj->active)
+               return 0;
+
+       if (obj->base.write_domain & I915_GEM_GPU_DOMAINS)
+               i915_gem_flush_ring(obj->base.dev, NULL, obj->ring,
+                                   0, obj->base.write_domain);
+
+       return i915_gem_object_wait_rendering(&obj->base, interruptible);
+}
+
 /**
  * Moves a single object to the CPU read, and possibly write domain.
  *

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 48d8fd6..bee24b1 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1611,6 +1611,18 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 
                wait_event(dev_priv->pending_flip_queue,
                           atomic_read(&obj_priv->pending_flip) == 0);
+
+               /* Big Hammer, we also need to ensure that any pending
+                * MI_WAIT_FOR_EVENT inside a user batch buffer on the
+                * current scanout is retired before unpinning the old
+                * framebuffer.
+                */
+               ret = i915_gem_object_flush_gpu(obj_priv, false);
+               if (ret) {
+                       i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj);
+                       mutex_unlock(&dev->struct_mutex);
+                       return ret;
+               }
        }
 
        ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y,

diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 2be4f72..3dba086 100644 (file)
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -160,7 +160,7 @@ intel_gpio_create(struct drm_i915_private *dev_priv, u32 pin)
        };
        struct intel_gpio *gpio;
 
-       if (pin < 1 || pin > 7)
+       if (pin >= ARRAY_SIZE(map_pin_to_reg) || !map_pin_to_reg[pin])
                return NULL;
 
        gpio = kzalloc(sizeof(struct intel_gpio), GFP_KERNEL);
@@ -172,7 +172,8 @@ intel_gpio_create(struct drm_i915_private *dev_priv, u32 pin)
                gpio->reg += PCH_GPIOA - GPIOA;
        gpio->dev_priv = dev_priv;
 
-       snprintf(gpio->adapter.name, I2C_NAME_SIZE, "GPIO%c", "?BACDEF?"[pin]);
+       snprintf(gpio->adapter.name, sizeof(gpio->adapter.name),
+                "i915 GPIO%c", "?BACDE?F"[pin]);
        gpio->adapter.owner = THIS_MODULE;
        gpio->adapter.algo_data = &gpio->algo;
        gpio->adapter.dev.parent = &dev_priv->dev->pdev->dev;
@@ -349,7 +350,7 @@ int intel_setup_gmbus(struct drm_device *dev)
                "panel",
                "dpc",
                "dpb",
-               "reserved"
+               "reserved",
                "dpd",
        };
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -366,8 +367,8 @@ int intel_setup_gmbus(struct drm_device *dev)
                bus->adapter.owner = THIS_MODULE;
                bus->adapter.class = I2C_CLASS_DDC;
                snprintf(bus->adapter.name,
-                        I2C_NAME_SIZE,
-                        "gmbus %s",
+                        sizeof(bus->adapter.name),
+                        "i915 gmbus %s",
                         names[i]);
 
                bus->adapter.dev.parent = &dev->pdev->dev;