#include "i915_reg.h"
#include "intel_bios.h"
+#include "i915_trace.h"
#include "intel_ringbuffer.h"
#include <linux/io-mapping.h>
#include <linux/i2c.h>
int front_offset;
int current_page;
int page_flipping;
-#define I915_DEBUG_READ (1<<0)
-#define I915_DEBUG_WRITE (1<<1)
- unsigned long debug_flags;
wait_queue_head_t irq_queue;
atomic_t irq_received;
/* storage for physical objects */
struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
- uint32_t flush_rings;
-
/* accounting, useful for userland debugging */
size_t object_memory;
size_t pin_memory;
* Advice: are the backing pages purgeable?
*/
unsigned int madv : 2;
- unsigned int fenceable : 1;
- unsigned int mappable : 1;
/**
* Current tiling mode for the object.
unsigned int pin_count : 4;
#define DRM_I915_GEM_OBJECT_MAX_PIN_COUNT 0xf
+ /**
+ * Is the object at the current location in the gtt mappable and
+ * fenceable? Used to avoid costly recalculations.
+ */
+ unsigned int map_and_fenceable : 1;
+
/**
* Whether the current gtt mapping needs to be mappable (and isn't just
* mappable by accident). Track pin and fault separate for a more
size_t size);
void i915_gem_free_object(struct drm_gem_object *obj);
int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment,
- bool mappable, bool need_fence);
+ bool map_and_fenceable);
void i915_gem_object_unpin(struct drm_gem_object *obj);
int i915_gem_object_unbind(struct drm_gem_object *obj);
void i915_gem_release_mmap(struct drm_gem_object *obj);
LOCK_TEST_WITH_RETURN(dev, file_priv); \
} while (0)
-static inline u32 i915_read(struct drm_i915_private *dev_priv, u32 reg)
+static inline u32 i915_read(struct drm_i915_private *dev_priv, u32 reg, int len)
{
- u32 val;
-
- val = readl(dev_priv->regs + reg);
- if (dev_priv->debug_flags & I915_DEBUG_READ)
- printk(KERN_ERR "read 0x%08x from 0x%08x\n", val, reg);
- return val;
+ u64 val = 0;
+
+ switch (len) {
+ case 8:
+ val = readq(dev_priv->regs + reg);
+ break;
+ case 4:
+ val = readl(dev_priv->regs + reg);
+ break;
+ case 2:
+ val = readw(dev_priv->regs + reg);
+ break;
+ case 1:
+ val = readb(dev_priv->regs + reg);
+ break;
+ }
+ trace_i915_reg_rw('R', reg, val, len);
+
+ return val;
}
-static inline void i915_write(struct drm_i915_private *dev_priv, u32 reg,
- u32 val)
+static inline void
+i915_write(struct drm_i915_private *dev_priv, u32 reg, u64 val, int len)
{
- writel(val, dev_priv->regs + reg);
- if (dev_priv->debug_flags & I915_DEBUG_WRITE)
- printk(KERN_ERR "wrote 0x%08x to 0x%08x\n", val, reg);
+ /* Trace down the write operation before the real write */
+ trace_i915_reg_rw('W', reg, val, len);
+ switch (len) {
+ case 8:
+ writeq(val, dev_priv->regs + reg);
+ break;
+ case 4:
+ writel(val, dev_priv->regs + reg);
+ break;
+ case 2:
+ writew(val, dev_priv->regs + reg);
+ break;
+ case 1:
+ writeb(val, dev_priv->regs + reg);
+ break;
+ }
}
-#define I915_READ(reg) i915_read(dev_priv, (reg))
-#define I915_WRITE(reg, val) i915_write(dev_priv, (reg), (val))
-#define I915_READ16(reg) readw(dev_priv->regs + (reg))
-#define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg))
-#define I915_READ8(reg) readb(dev_priv->regs + (reg))
-#define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg))
-#define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg))
-#define I915_READ64(reg) readq(dev_priv->regs + (reg))
+#define I915_READ(reg) i915_read(dev_priv, (reg), 4)
+#define I915_WRITE(reg, val) i915_write(dev_priv, (reg), (val), 4)
+#define I915_READ16(reg) i915_read(dev_priv, (reg), 2)
+#define I915_WRITE16(reg, val) i915_write(dev_priv, (reg), (val), 2)
+#define I915_READ8(reg) i915_read(dev_priv, (reg), 1)
+#define I915_WRITE8(reg, val) i915_write(dev_priv, (reg), (val), 1)
+#define I915_WRITE64(reg, val) i915_write(dev_priv, (reg), (val), 8)
+#define I915_READ64(reg) i915_read(dev_priv, (reg), 8)
#define POSTING_READ(reg) (void)I915_READ(reg)
#define POSTING_READ16(reg) (void)I915_READ16(reg)
-#define I915_DEBUG_ENABLE_IO() (dev_priv->debug_flags |= I915_DEBUG_READ | \
- I915_DEBUG_WRITE)
-#define I915_DEBUG_DISABLE_IO() (dev_priv->debug_flags &= ~(I915_DEBUG_READ | \
- I915_DEBUG_WRITE))
-
#define BEGIN_LP_RING(n) \
intel_ring_begin(&dev_priv->render_ring, (n))
#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
+#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX)
#define PRIMARY_RINGBUFFER_SIZE (128*1024)