drm/i915: Save/restore HWS_PGA on suspend/resume

[karo-tx-linux.git] / drivers / gpu / drm / i915 / i915_drv.h

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f20ffe17df71d36cae69df56536d329be4c7ea27..0a4f39b9a0ec1623b79fa4073b8580efb203caa0 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -31,6 +31,7 @@
 #define _I915_DRV_H_
 
 #include "i915_reg.h"
+#include <linux/io-mapping.h>
 
 /* General customization:
  */
@@ -46,6 +47,8 @@ enum pipe {
        PIPE_B,
 };
 
+#define I915_NUM_PIPE  2
+
 /* Interface history:
  *
  * 1.1: Original.
@@ -87,13 +90,6 @@ struct mem_block {
        struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
 };
 
-typedef struct _drm_i915_vbl_swap {
-       struct list_head head;
-       drm_drawable_t drw_id;
-       unsigned int pipe;
-       unsigned int sequence;
-} drm_i915_vbl_swap_t;
-
 struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
@@ -138,6 +134,7 @@ typedef struct drm_i915_private {
        int user_irq_refcount;
        /** Cached value of IMR to avoid reads in updating the bitfield */
        u32 irq_mask_reg;
+       u32 pipestat[2];
 
        int tex_lru_log_granularity;
        int allow_batchbuffer;
@@ -145,10 +142,6 @@ typedef struct drm_i915_private {
        unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
        int vblank_pipe;
 
-       spinlock_t swaps_lock;
-       drm_i915_vbl_swap_t vbl_swaps;
-       unsigned int swaps_pending;
-
        struct intel_opregion opregion;
 
        /* Register state */
@@ -156,6 +149,8 @@ typedef struct drm_i915_private {
        u32 saveDSPACNTR;
        u32 saveDSPBCNTR;
        u32 saveDSPARB;
+       u32 saveRENDERSTANDBY;
+       u32 saveHWS;
        u32 savePIPEACONF;
        u32 savePIPEBCONF;
        u32 savePIPEASRC;
@@ -240,12 +235,11 @@ typedef struct drm_i915_private {
        u8 saveDACDATA[256*3]; /* 256 3-byte colors */
        u8 saveCR[37];
 
-       /** Work task for vblank-related ring access */
-       struct work_struct vblank_work;
-
        struct {
                struct drm_mm gtt_space;
 
+               struct io_mapping *gtt_mapping;
+
                /**
                 * List of objects currently involved in rendering from the
                 * ringbuffer.
@@ -441,7 +435,6 @@ extern int i915_irq_wait(struct drm_device *dev, void *data,
 void i915_user_irq_get(struct drm_device *dev);
 void i915_user_irq_put(struct drm_device *dev);
 
-extern void i915_vblank_work_handler(struct work_struct *work);
 extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
 extern void i915_driver_irq_preinstall(struct drm_device * dev);
 extern int i915_driver_irq_postinstall(struct drm_device *dev);
@@ -457,6 +450,13 @@ 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);
 
+void
+i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
+
+void
+i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
+
+
 /* i915_mem.c */
 extern int i915_mem_alloc(struct drm_device *dev, void *data,
                          struct drm_file *file_priv);
@@ -502,6 +502,8 @@ int i915_gem_set_tiling(struct drm_device *dev, void *data,
                        struct drm_file *file_priv);
 int i915_gem_get_tiling(struct drm_device *dev, void *data,
                        struct drm_file *file_priv);
+int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
+                               struct drm_file *file_priv);
 void i915_gem_load(struct drm_device *dev);
 int i915_gem_proc_init(struct drm_minor *minor);
 void i915_gem_proc_cleanup(struct drm_minor *minor);
@@ -539,11 +541,18 @@ extern int i915_restore_state(struct drm_device *dev);
 extern int i915_save_state(struct drm_device *dev);
 extern int i915_restore_state(struct drm_device *dev);
 
+#ifdef CONFIG_ACPI
 /* i915_opregion.c */
 extern int intel_opregion_init(struct drm_device *dev);
 extern void intel_opregion_free(struct drm_device *dev);
 extern void opregion_asle_intr(struct drm_device *dev);
 extern void opregion_enable_asle(struct drm_device *dev);
+#else
+static inline int intel_opregion_init(struct drm_device *dev) { return 0; }
+static inline void intel_opregion_free(struct drm_device *dev) { return; }
+static inline void opregion_asle_intr(struct drm_device *dev) { return; }
+static inline void opregion_enable_asle(struct drm_device *dev) { return; }
+#endif
 
 /**
  * Lock test for when it's just for synchronization of ring access.
@@ -610,8 +619,9 @@ extern void opregion_enable_asle(struct drm_device *dev);
  * The area from dword 0x20 to 0x3ff is available for driver usage.
  */
 #define READ_HWSP(dev_priv, reg)  (((volatile u32*)(dev_priv->hw_status_page))[reg])
-#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
+#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, I915_BREADCRUMB_INDEX)
 #define I915_GEM_HWS_INDEX             0x20
+#define I915_BREADCRUMB_INDEX          0x21
 
 extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);