[Intel-gfx] [PATCH 1/4] introduce intel_ring_buffer structure

[Zou Nan hai]

introduce intel_ring_buffer structure.
sequential number, IRQ logic and hardware status page
were included in the intel_ring_buffer structure

Signed-off-by: Xiang Hai hao <haihao.xiang at intel.com>
Signed-off-by: Zou Nan hai <nanhai.zou at intel.com>
---
 drivers/gpu/drm/i915/Makefile   |    1 +
 drivers/gpu/drm/i915/i915_drv.h |    7 +++++++
 drivers/gpu/drm/i915/i915_irq.c |    4 ++--
 include/drm/i915_drm.h          |    4 +++-
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 9929f84..bf8d097 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -22,6 +22,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
 	  intel_fb.o \
 	  intel_tv.o \
 	  intel_dvo.o \
+	  intel_ringbuffer.o \
 	  intel_overlay.o \
 	  dvo_ch7xxx.o \
 	  dvo_ch7017.o \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 790fef3..32953ad 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -32,6 +32,7 @@
 
 #include "i915_reg.h"
 #include "intel_bios.h"
+#include "intel_ringbuffer.h"
 #include <linux/io-mapping.h>
 
 /* General customization:
@@ -838,6 +839,12 @@ extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int i915_vblank_swap(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
 extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
+extern void i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask);
+extern void ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv,
+		u32 mask);
+extern void ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv,
+		u32 mask);
+
 
 void
 i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 7701cbd..301702a 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -73,7 +73,7 @@ ironlake_enable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
 	}
 }
 
-static inline void
+void
 ironlake_disable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
 {
 	if ((dev_priv->gt_irq_mask_reg & mask) != mask) {
@@ -114,7 +114,7 @@ i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
 	}
 }
 
-static inline void
+void
 i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask)
 {
 	if ((dev_priv->irq_mask_reg & mask) != mask) {
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index b64a8d7..e916870 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -616,7 +616,9 @@ struct drm_i915_gem_execbuffer2 {
 	__u32 num_cliprects;
 	/** This is a struct drm_clip_rect *cliprects */
 	__u64 cliprects_ptr;
-	__u64 flags; /* currently unused */
+#define I915_EXEC_RENDER                 (1<<0)
+#define I915_EXEC_BSD                    (1<<1)
+	__u64 flags;
 	__u64 rsvd1;
 	__u64 rsvd2;
 };
-- 
1.7.1