drm/i915: add dynamic clock frequency control

[net-next-2.6.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 7edb5b9d5792467a5515341cd5cb27c65573b785..73b58193afed72d1e43338871731b04b259150b6 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -29,6 +29,7 @@
 #include "drm.h"
 #include "i915_drm.h"
 #include "i915_drv.h"
+#include "intel_drv.h"
 #include <linux/swap.h>
 #include <linux/pci.h>
 
@@ -981,6 +982,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct drm_i915_gem_set_domain *args = data;
        struct drm_gem_object *obj;
+       struct drm_i915_gem_object *obj_priv;
        uint32_t read_domains = args->read_domains;
        uint32_t write_domain = args->write_domain;
        int ret;
@@ -1004,15 +1006,17 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
        obj = drm_gem_object_lookup(dev, file_priv, args->handle);
        if (obj == NULL)
                return -EBADF;
+       obj_priv = obj->driver_private;
 
        mutex_lock(&dev->struct_mutex);
+
+       intel_mark_busy(dev, obj);
+
 #if WATCH_BUF
        DRM_INFO("set_domain_ioctl %p(%zd), %08x %08x\n",
                 obj, obj->size, read_domains, write_domain);
 #endif
        if (read_domains & I915_GEM_DOMAIN_GTT) {
-               struct drm_i915_gem_object *obj_priv = obj->driver_private;
-
                ret = i915_gem_object_set_to_gtt_domain(obj, write_domain != 0);
 
                /* Update the LRU on the fence for the CPU access that's
@@ -2776,6 +2780,8 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj)
        BUG_ON(obj->pending_read_domains & I915_GEM_DOMAIN_CPU);
        BUG_ON(obj->pending_write_domain == I915_GEM_DOMAIN_CPU);
 
+       intel_mark_busy(dev, obj);
+
 #if WATCH_BUF
        DRM_INFO("%s: object %p read %08x -> %08x write %08x -> %08x\n",
                 __func__, obj,