diff options
Diffstat (limited to 'shared-core/i915_drv.h')
| -rw-r--r-- | shared-core/i915_drv.h | 420 |
1 files changed, 374 insertions, 46 deletions
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 421572cd..087c6d64 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -33,11 +33,13 @@ /* General customization: */ +#include "intel_bios.h" + #define DRIVER_AUTHOR "Tungsten Graphics, Inc." #define DRIVER_NAME "i915" #define DRIVER_DESC "Intel Graphics" -#define DRIVER_DATE "20080312" +#define DRIVER_DATE "20080730" #if defined(__linux__) #define I915_HAVE_FENCE @@ -77,17 +79,24 @@ enum pipe { struct drm_i915_validate_buffer; #endif -typedef struct _drm_i915_ring_buffer { +#define WATCH_COHERENCY 0 +#define WATCH_BUF 0 +#define WATCH_EXEC 0 +#define WATCH_LRU 0 +#define WATCH_RELOC 0 +#define WATCH_INACTIVE 0 +#define WATCH_PWRITE 0 + +struct drm_i915_ring_buffer { int tail_mask; - unsigned long Start; - unsigned long End; unsigned long Size; u8 *virtual_start; int head; int tail; int space; drm_local_map_t map; -} drm_i915_ring_buffer_t; + struct drm_gem_object *ring_obj; +}; struct mem_block { struct mem_block *next; @@ -97,13 +106,15 @@ struct mem_block { struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */ }; -typedef struct _drm_i915_vbl_swap { +struct drm_i915_vbl_swap { struct list_head head; drm_drawable_t drw_id; unsigned int plane; unsigned int sequence; int flip; -} drm_i915_vbl_swap_t; + struct drm_minor *minor; +}; + #ifdef __linux__ struct opregion_header; @@ -121,26 +132,33 @@ struct intel_opregion { }; #endif -typedef struct drm_i915_private { +struct drm_i915_master_private { drm_local_map_t *sarea; + struct drm_i915_sarea *sarea_priv; +}; + +struct drm_i915_private { + struct drm_device *dev; + drm_local_map_t *mmio_map; - drm_i915_sarea_t *sarea_priv; - drm_i915_ring_buffer_t ring; + unsigned long mmiobase; + unsigned long mmiolen; - drm_dma_handle_t *status_page_dmah; + struct drm_i915_ring_buffer ring; + + struct drm_dma_handle *status_page_dmah; void *hw_status_page; dma_addr_t dma_status_page; uint32_t counter; - unsigned int status_gfx_addr; + uint32_t status_gfx_addr; drm_local_map_t hws_map; + struct drm_gem_object *hws_obj; unsigned int cpp; - int use_mi_batchbuffer_start; wait_queue_head_t irq_queue; atomic_t irq_received; - atomic_t irq_emitted; int tex_lru_log_granularity; int allow_batchbuffer; @@ -150,8 +168,13 @@ typedef struct drm_i915_private { DRM_SPINTYPE user_irq_lock; int user_irq_refcount; int fence_irq_on; - uint32_t irq_enable_reg; + uint32_t irq_mask_reg; int irq_enabled; + struct workqueue_struct *wq; + + bool cursor_needs_physical; + + struct drm_mm vram; #ifdef I915_HAVE_FENCE uint32_t flush_sequence; @@ -163,18 +186,34 @@ typedef struct drm_i915_private { void *agp_iomap; unsigned int max_validate_buffers; struct mutex cmdbuf_mutex; + u32 stolen_base; struct drm_i915_validate_buffer *val_bufs; #endif DRM_SPINTYPE swaps_lock; - drm_i915_vbl_swap_t vbl_swaps; + struct drm_i915_vbl_swap vbl_swaps; unsigned int swaps_pending; -#if defined(I915_HAVE_BUFFER) + + /* LVDS info */ + int backlight_duty_cycle; /* restore backlight to this value */ + bool panel_wants_dither; + struct drm_display_mode *panel_fixed_mode; + struct drm_display_mode *vbt_mode; /* if any */ + +#if defined(I915_HAVE_BUFFER) && defined(DRI2) /* DRI2 sarea */ - struct drm_buffer_object *sarea_bo; - struct drm_bo_kmap_obj sarea_kmap; + struct drm_gem_object *sarea_object; + struct drm_bo_kmap_obj sarea_kmap; #endif + /* Feature bits from the VBIOS */ + int int_tv_support:1; + int lvds_dither:1; + int lvds_vbt:1; + int int_crt_support:1; + + struct work_struct user_interrupt_task; + #ifdef __linux__ struct intel_opregion opregion; #endif @@ -267,7 +306,96 @@ typedef struct drm_i915_private { u8 saveDACMASK; u8 saveDACDATA[256*3]; /* 256 3-byte colors */ u8 saveCR[37]; -} drm_i915_private_t; + + struct { + struct drm_mm gtt_space; + + /** + * List of objects currently involved in rendering from the + * ringbuffer. + * + * A reference is held on the buffer while on this list. + */ + struct list_head active_list; + + /** + * List of objects which are not in the ringbuffer but which + * still have a write_domain which needs to be flushed before + * unbinding. + * + * A reference is held on the buffer while on this list. + */ + struct list_head flushing_list; + + /** + * LRU list of objects which are not in the ringbuffer and + * are ready to unbind, but are still in the GTT. + * + * A reference is not held on the buffer while on this list, + * as merely being GTT-bound shouldn't prevent its being + * freed, and we'll pull it off the list in the free path. + */ + struct list_head inactive_list; + + /** + * List of breadcrumbs associated with GPU requests currently + * outstanding. + */ + struct list_head request_list; + + /** + * We leave the user IRQ off as much as possible, + * but this means that requests will finish and never + * be retired once the system goes idle. Set a timer to + * fire periodically while the ring is running. When it + * fires, go retire requests. + */ + struct delayed_work retire_work; + + uint32_t next_gem_seqno; + + /** + * Waiting sequence number, if any + */ + uint32_t waiting_gem_seqno; + + /** + * Last seq seen at irq time + */ + uint32_t irq_gem_seqno; + + /** + * Flag if the X Server, and thus DRM, is not currently in + * control of the device. + * + * This is set between LeaveVT and EnterVT. It needs to be + * replaced with a semaphore. It also needs to be + * transitioned away from for kernel modesetting. + */ + int suspended; + + /** + * Flag if the hardware appears to be wedged. + * + * This is set when attempts to idle the device timeout. + * It prevents command submission from occuring and makes + * every pending request fail + */ + int wedged; + + /** Bit 6 swizzling required for X tiling */ + uint32_t bit_6_swizzle_x; + /** Bit 6 swizzling required for Y tiling */ + uint32_t bit_6_swizzle_y; + } mm; +}; + +struct drm_i915_file_private { + struct { + uint32_t last_gem_seqno; + uint32_t last_gem_throttle_seqno; + } mm; +}; enum intel_chip_family { CHIP_I8XX = 0x01, @@ -276,16 +404,98 @@ enum intel_chip_family { CHIP_I965 = 0x08, }; +/** driver private structure attached to each drm_gem_object */ +struct drm_i915_gem_object { + struct drm_gem_object *obj; + + /** Current space allocated to this object in the GTT, if any. */ + struct drm_mm_node *gtt_space; + + /** This object's place on the active/flushing/inactive lists */ + struct list_head list; + + /** + * This is set if the object is on the active or flushing lists + * (has pending rendering), and is not set if it's on inactive (ready + * to be unbound). + */ + int active; + + /** + * This is set if the object has been written to since last bound + * to the GTT + */ + int dirty; + + /** AGP memory structure for our GTT binding. */ + DRM_AGP_MEM *agp_mem; + + struct page **page_list; + + /** + * Current offset of the object in GTT space. + * + * This is the same as gtt_space->start + */ + uint32_t gtt_offset; + + /** Boolean whether this object has a valid gtt offset. */ + int gtt_bound; + + /** How many users have pinned this object in GTT space */ + int pin_count; + + /** Breadcrumb of last rendering to the buffer. */ + uint32_t last_rendering_seqno; + + /** Current tiling mode for the object. */ + uint32_t tiling_mode; + + /** + * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when + * GEM_DOMAIN_CPU is not in the object's read domain. + */ + uint8_t *page_cpu_valid; +}; + +/** + * Request queue structure. + * + * The request queue allows us to note sequence numbers that have been emitted + * and may be associated with active buffers to be retired. + * + * By keeping this list, we can avoid having to do questionable + * sequence-number comparisons on buffer last_rendering_seqnos, and associate + * an emission time with seqnos for tracking how far ahead of the GPU we are. + */ +struct drm_i915_gem_request { + /** GEM sequence number associated with this request. */ + uint32_t seqno; + + /** Time at which this request was emitted, in jiffies. */ + unsigned long emitted_jiffies; + + /** Cache domains that were flushed at the start of the request. */ + uint32_t flush_domains; + + struct list_head list; +}; + extern struct drm_ioctl_desc i915_ioctls[]; extern int i915_max_ioctl; +extern int i915_master_create(struct drm_device *dev, struct drm_master *master); +extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master); /* i915_dma.c */ extern void i915_kernel_lost_context(struct drm_device * dev); extern int i915_driver_load(struct drm_device *, unsigned long flags); -extern int i915_driver_unload(struct drm_device *); +extern int i915_driver_unload(struct drm_device *dev); extern void i915_driver_lastclose(struct drm_device * dev); +extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv); extern void i915_driver_preclose(struct drm_device *dev, struct drm_file *file_priv); +extern void i915_driver_postclose(struct drm_device *dev, + struct drm_file *file_priv); extern int i915_driver_device_is_agp(struct drm_device * dev); extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); @@ -293,10 +503,16 @@ extern void i915_emit_breadcrumb(struct drm_device *dev); extern void i915_dispatch_flip(struct drm_device * dev, int pipes, int sync); extern int i915_emit_mi_flush(struct drm_device *dev, uint32_t flush); extern int i915_driver_firstopen(struct drm_device *dev); +extern int i915_do_cleanup_pageflip(struct drm_device *dev); +extern int i915_dma_cleanup(struct drm_device *dev); extern int i915_dispatch_batchbuffer(struct drm_device * dev, drm_i915_batchbuffer_t * batch); extern int i915_quiescent(struct drm_device *dev); +int i915_emit_box(struct drm_device * dev, + struct drm_clip_rect __user * boxes, + int i, int DR1, int DR4); + /* i915_irq.c */ extern int i915_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_priv); @@ -312,13 +528,15 @@ extern int i915_vblank_pipe_set(struct drm_device *dev, void *data, extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int i915_emit_irq(struct drm_device * dev); +extern void i915_enable_interrupt (struct drm_device *dev); +extern int i915_wait_irq(struct drm_device * dev, int irq_nr); extern int i915_enable_vblank(struct drm_device *dev, int crtc); extern void i915_disable_vblank(struct drm_device *dev, int crtc); extern u32 i915_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_user_irq_on(drm_i915_private_t *dev_priv); -extern void i915_user_irq_off(drm_i915_private_t *dev_priv); +extern void i915_user_irq_on(struct drm_device *dev); +extern void i915_user_irq_off(struct drm_device *dev); /* i915_mem.c */ extern int i915_mem_alloc(struct drm_device *dev, void *data, @@ -345,7 +563,7 @@ extern void i915_invalidate_reported_sequence(struct drm_device *dev); #endif -#ifdef I915_HAVE_BUFFER +#if defined(I915_HAVE_BUFFER) && defined(I915_TTM) /* i915_buffer.c */ extern struct drm_ttm_backend *i915_create_ttm_backend_entry(struct drm_device *dev); extern int i915_fence_type(struct drm_buffer_object *bo, uint32_t *fclass, @@ -357,11 +575,79 @@ extern uint64_t i915_evict_flags(struct drm_buffer_object *bo); extern int i915_move(struct drm_buffer_object *bo, int evict, int no_wait, struct drm_bo_mem_reg *new_mem); void i915_flush_ttm(struct drm_ttm *ttm); +#endif /* ttm */ +#ifdef I915_HAVE_BUFFER /* i915_execbuf.c */ int i915_execbuffer(struct drm_device *dev, void *data, struct drm_file *file_priv); +/* i915_gem.c */ +int i915_gem_init_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_create_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_pread_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_mmap_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_execbuffer(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_pin_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_unpin_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_busy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_throttle_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_entervt_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +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); +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); +int i915_gem_init_object(struct drm_gem_object *obj); +void i915_gem_free_object(struct drm_gem_object *obj); +int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment); +void i915_gem_object_unpin(struct drm_gem_object *obj); +void i915_gem_lastclose(struct drm_device *dev); +uint32_t i915_get_gem_seqno(struct drm_device *dev); +void i915_gem_retire_requests(struct drm_device *dev); +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, + unsigned long end); +void i915_gem_retire_work_handler(struct work_struct *work); +void i915_gem_clflush_object(struct drm_gem_object *obj); +#endif +extern unsigned int i915_fbpercrtc; + +/* i915_gem_tiling.c */ +void i915_gem_detect_bit_6_swizzle(struct drm_device *dev); + +/* i915_gem_debug.c */ +void i915_gem_dump_object(struct drm_gem_object *obj, int len, + const char *where, uint32_t mark); +#if WATCH_INACTIVE +void i915_verify_inactive(struct drm_device *dev, char *file, int line); +#else +#define i915_verify_inactive(dev,file,line) #endif +void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle); +void i915_gem_dump_object(struct drm_gem_object *obj, int len, + const char *where, uint32_t mark); +void i915_dump_lru(struct drm_device *dev, const char *where); #ifdef __linux__ /* i915_opregion.c */ @@ -378,6 +664,12 @@ extern void intel_fini_chipset_flush_compat(struct drm_device *dev); #endif #endif + +/* modesetting */ +extern void intel_modeset_init(struct drm_device *dev); +extern void intel_modeset_cleanup(struct drm_device *dev); + + #define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg)) #define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val)) #define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg)) @@ -390,16 +682,27 @@ typedef boolean_t bool; #endif #define I915_VERBOSE 0 +#define I915_RING_VALIDATE 0 + +#define PRIMARY_RINGBUFFER_SIZE (128*1024) #define PRIMARY_RINGBUFFER_SIZE (128*1024) #define RING_LOCALS unsigned int outring, ringmask, outcount; \ volatile char *virt; +#if I915_RING_VALIDATE +void i915_ring_validate(struct drm_device *dev, const char *func, int line); +#define I915_RING_DO_VALIDATE(dev) i915_ring_validate(dev, __FUNCTION__, __LINE__) +#else +#define I915_RING_DO_VALIDATE(dev) +#endif + #define BEGIN_LP_RING(n) do { \ if (I915_VERBOSE) \ DRM_DEBUG("BEGIN_LP_RING(%d)\n", \ (n)); \ + I915_RING_DO_VALIDATE(dev); \ if (dev_priv->ring.space < (n)*4) \ i915_wait_ring(dev, (n)*4, __FUNCTION__); \ outcount = 0; \ @@ -418,6 +721,7 @@ typedef boolean_t bool; #define ADVANCE_LP_RING() do { \ if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \ + I915_RING_DO_VALIDATE(dev); \ dev_priv->ring.tail = outring; \ dev_priv->ring.space -= outcount * 4; \ I915_WRITE(PRB0_TAIL, outring); \ @@ -425,6 +729,39 @@ typedef boolean_t bool; extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); +#define BREADCRUMB_BITS 31 +#define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1) + +#define READ_BREADCRUMB(dev_priv) (((volatile u32*)(dev_priv->hw_status_page))[5]) +/** + * Reads a dword out of the status page, which is written to from the command + * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or + * MI_STORE_DATA_IMM. + * + * The following dwords have a reserved meaning: + * 0: ISR copy, updated when an ISR bit not set in the HWSTAM changes. + * 4: ring 0 head pointer + * 5: ring 1 head pointer (915-class) + * 6: ring 2 head pointer (915-class) + * + * The area from dword 0x10 to 0x3ff is available for driver usage. + */ +#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg]) +#define I915_GEM_HWS_INDEX 0x10 + +/* MCH MMIO space */ +/** 915-945 and GM965 MCH register controlling DRAM channel access */ +#define DCC 0x200 +#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL (0 << 0) +#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC (1 << 0) +#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED (2 << 0) +#define DCC_ADDRESSING_MODE_MASK (3 << 0) +#define DCC_CHANNEL_XOR_DISABLE (1 << 10) + +/** 965 MCH register controlling DRAM channel configuration */ +#define CHDECMISC 0x111 +#define CHDECMISC_FLEXMEMORY (1 << 1) + /* * The Bridge device's PCI config space has information about the * fb aperture size and the amount of pre-reserved memory. @@ -525,38 +862,19 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define MI_STORE_DWORD_IMM MI_INSTR(0x20, 1) #define MI_MEM_VIRTUAL (1 << 22) /* 965+ only */ #define MI_STORE_DWORD_INDEX MI_INSTR(0x21, 1) +#define MI_STORE_DWORD_INDEX_SHIFT 2 #define MI_LOAD_REGISTER_IMM MI_INSTR(0x22, 1) #define MI_BATCH_BUFFER MI_INSTR(0x30, 1) #define MI_BATCH_NON_SECURE (1) #define MI_BATCH_NON_SECURE_I965 (1<<8) #define MI_BATCH_BUFFER_START MI_INSTR(0x31, 0) -#define BREADCRUMB_BITS 31 -#define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1) - -#define READ_BREADCRUMB(dev_priv) (((volatile u32*)(dev_priv->hw_status_page))[5]) - -/** - * Reads a dword out of the status page, which is written to from the command - * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or - * MI_STORE_DATA_IMM. - * - * The following dwords have a reserved meaning: - * 0: ISR copy, updated when an ISR bit not set in the HWSTAM changes. - * 4: ring 0 head pointer - * 5: ring 1 head pointer (915-class) - * 6: ring 2 head pointer (915-class) - * - * The area from dword 0x10 to 0x3ff is available for driver usage. - */ -#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg]) -#define I915_GEM_HWS_INDEX 0x10 - /* * 3D instructions used by the kernel */ #define GFX_INSTR(opcode, flags) ((0x3 << 29) | ((opcode) << 24) | (flags)) +#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) #define GFX_OP_RASTER_RULES ((0x3<<29)|(0x7<<24)) #define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) #define SC_UPDATE_SCISSOR (0x1<<1) @@ -574,6 +892,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) #define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) #define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) +#define GFX_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) #define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) #define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2) #define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4) @@ -617,7 +936,10 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define PRB1_HEAD 0x02044 /* 915+ only */ #define PRB1_START 0x02048 /* 915+ only */ #define PRB1_CTL 0x0204c /* 915+ only */ +#define ACTHD_I965 0x02074 #define HWS_PGA 0x02080 +#define HWS_ADDRESS_MASK 0xfffff000 +#define HWS_START_ADDRESS_SHIFT 4 #define IPEIR 0x02088 #define NOPID 0x02094 #define HWSTAM 0x02098 @@ -647,6 +969,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define EMR 0x020b4 #define ESR 0x020b8 #define INSTPM 0x020c0 +#define ACTHD 0x020c8 #define FW_BLC 0x020d8 #define FW_BLC_SELF 0x020e0 /* 915+ only */ #define MI_ARB_STATE 0x020e4 /* 915+ only */ @@ -696,7 +1019,6 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); /* * GPIO regs */ - #define GPIOA 0x5010 #define GPIOB 0x5014 #define GPIOC 0x5018 @@ -750,6 +1072,12 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */ #define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */ #define DPLL_FPA01_P1_POST_DIV_MASK 0x00ff0000 /* i915 */ +/* + * Pixel within the current frame is counted in the PIPEAFRAMEPIXEL register + * and is 24 bits wide. + */ +#define PIPE_PIXEL_MASK 0x00ffffff +#define PIPE_PIXEL_SHIFT 0 #define I915_FIFO_UNDERRUN_STATUS (1UL<<31) #define I915_CRC_ERROR_ENABLE (1UL<<29) |