#include "i915_reg.h"
#include "intel_bios.h"
#include "intel_ringbuffer.h"
+#include "intel_lrc.h"
#include "i915_gem_gtt.h"
#include <linux/io-mapping.h>
#include <linux/i2c.h>
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20080730"
+#define DRIVER_DATE "20140808"
enum pipe {
INVALID_PIPE = -1,
POWER_DOMAIN_PORT_OTHER,
POWER_DOMAIN_VGA,
POWER_DOMAIN_AUDIO,
+ POWER_DOMAIN_PLLS,
POWER_DOMAIN_INIT,
POWER_DOMAIN_NUM,
#define for_each_intel_crtc(dev, intel_crtc) \
list_for_each_entry(intel_crtc, &dev->mode_config.crtc_list, base.head)
+#define for_each_intel_encoder(dev, intel_encoder) \
+ list_for_each_entry(intel_encoder, \
+ &(dev)->mode_config.encoder_list, \
+ base.head)
+
#define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
if ((intel_encoder)->base.crtc == (__crtc))
list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
if ((intel_connector)->base.encoder == (__encoder))
+#define for_each_power_domain(domain, mask) \
+ for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \
+ if ((1 << (domain)) & (mask))
+
struct drm_i915_private;
struct i915_mmu_object;
enum intel_dpll_id {
DPLL_ID_PRIVATE = -1, /* non-shared dpll in use */
/* real shared dpll ids must be >= 0 */
- DPLL_ID_PCH_PLL_A,
- DPLL_ID_PCH_PLL_B,
+ DPLL_ID_PCH_PLL_A = 0,
+ DPLL_ID_PCH_PLL_B = 1,
+ DPLL_ID_WRPLL1 = 0,
+ DPLL_ID_WRPLL2 = 1,
};
#define I915_NUM_PLLS 2
struct intel_dpll_hw_state {
+ /* i9xx, pch plls */
uint32_t dpll;
uint32_t dpll_md;
uint32_t fp0;
uint32_t fp1;
+
+ /* hsw, bdw */
+ uint32_t wrpll;
};
struct intel_shared_dpll {
/* should match the index in the dev_priv->shared_dplls array */
enum intel_dpll_id id;
struct intel_dpll_hw_state hw_state;
+ /* The mode_set hook is optional and should be used together with the
+ * intel_prepare_shared_dpll function. */
void (*mode_set)(struct drm_i915_private *dev_priv,
struct intel_shared_dpll *pll);
void (*enable)(struct drm_i915_private *dev_priv,
int pixel_clock, int link_clock,
struct intel_link_m_n *m_n);
-struct intel_ddi_plls {
- int spll_refcount;
- int wrpll1_refcount;
- int wrpll2_refcount;
-};
-
/* Interface history:
*
* 1.1: Original.
u32 eir;
u32 pgtbl_er;
u32 ier;
+ u32 gtier[4];
u32 ccid;
u32 derrmr;
u32 forcewake;
u64 fence[I915_MAX_NUM_FENCES];
struct intel_overlay_error_state *overlay;
struct intel_display_error_state *display;
+ struct drm_i915_error_object *semaphore_obj;
struct drm_i915_error_ring {
bool valid;
void (*update_wm)(struct drm_crtc *crtc);
void (*update_sprite_wm)(struct drm_plane *plane,
struct drm_crtc *crtc,
- uint32_t sprite_width, int pixel_size,
- bool enable, bool scaled);
+ uint32_t sprite_width, uint32_t sprite_height,
+ int pixel_size, bool enable, bool scaled);
void (*modeset_global_resources)(struct drm_device *dev);
/* Returns the active state of the crtc, and if the crtc is active,
* fills out the pipe-config with the hw state. */
struct intel_device_info {
u32 display_mmio_offset;
+ u16 device_id;
u8 num_pipes:3;
u8 num_sprites[I915_MAX_PIPES];
u8 gen;
/* Register offsets for the various display pipes and transcoders */
int pipe_offsets[I915_MAX_TRANSCODERS];
int trans_offsets[I915_MAX_TRANSCODERS];
- int dpll_offsets[I915_MAX_PIPES];
- int dpll_md_offsets[I915_MAX_PIPES];
int palette_offsets[I915_MAX_PIPES];
int cursor_offsets[I915_MAX_PIPES];
};
};
/* This must match up with the value previously used for execbuf2.rsvd1. */
-#define DEFAULT_CONTEXT_ID 0
+#define DEFAULT_CONTEXT_HANDLE 0
+/**
+ * struct intel_context - as the name implies, represents a context.
+ * @ref: reference count.
+ * @user_handle: userspace tracking identity for this context.
+ * @remap_slice: l3 row remapping information.
+ * @file_priv: filp associated with this context (NULL for global default
+ * context).
+ * @hang_stats: information about the role of this context in possible GPU
+ * hangs.
+ * @vm: virtual memory space used by this context.
+ * @legacy_hw_ctx: render context backing object and whether it is correctly
+ * initialized (legacy ring submission mechanism only).
+ * @link: link in the global list of contexts.
+ *
+ * Contexts are memory images used by the hardware to store copies of their
+ * internal state.
+ */
struct intel_context {
struct kref ref;
- int id;
- bool is_initialized;
+ int user_handle;
uint8_t remap_slice;
struct drm_i915_file_private *file_priv;
- struct intel_engine_cs *last_ring;
- struct drm_i915_gem_object *obj;
struct i915_ctx_hang_stats hang_stats;
struct i915_address_space *vm;
+ struct {
+ struct drm_i915_gem_object *rcs_state;
+ bool initialized;
+ } legacy_hw_ctx;
+
struct list_head link;
};
struct i915_fbc {
unsigned long size;
+ unsigned threshold;
unsigned int fb_id;
enum plane plane;
int y;
- struct drm_mm_node *compressed_fb;
+ struct drm_mm_node compressed_fb;
struct drm_mm_node *compressed_llb;
+ bool false_color;
+
struct intel_fbc_work {
struct delayed_work work;
struct drm_crtc *crtc;
struct intel_connector *connector;
};
+struct intel_dp;
struct i915_psr {
+ struct mutex lock;
bool sink_support;
bool source_ok;
+ struct intel_dp *enabled;
+ bool active;
+ struct delayed_work work;
+ unsigned busy_frontbuffer_bits;
};
enum intel_pch {
u32 clock_gate_dis2;
};
+struct intel_rps_ei {
+ u32 cz_clock;
+ u32 render_c0;
+ u32 media_c0;
+};
+
struct intel_gen6_power_mgmt {
/* work and pm_iir are protected by dev_priv->irq_lock */
struct work_struct work;
u8 efficient_freq; /* AKA RPe. Pre-determined balanced frequency */
u8 rp1_freq; /* "less than" RP0 power/freqency */
u8 rp0_freq; /* Non-overclocked max frequency. */
+ u32 cz_freq;
+
+ u32 ei_interrupt_count;
int last_adj;
enum { LOW_POWER, BETWEEN, HIGH_POWER } power;
bool enabled;
struct delayed_work delayed_resume_work;
+ /* manual wa residency calculations */
+ struct intel_rps_ei up_ei, down_ei;
+
/*
* Protects RPS/RC6 register access and PCU communication.
* Must be taken after struct_mutex if nested.
};
struct ddi_vbt_port_info {
+ /*
+ * This is an index in the HDMI/DVI DDI buffer translation table.
+ * The special value HDMI_LEVEL_SHIFT_UNKNOWN means the VBT didn't
+ * populate this field.
+ */
+#define HDMI_LEVEL_SHIFT_UNKNOWN 0xff
uint8_t hdmi_level_shift;
uint8_t supports_dvi:1;
u16 pwm_freq_hz;
bool present;
bool active_low_pwm;
+ u8 min_brightness; /* min_brightness/255 of max */
} backlight;
/* MIPI DSI */
*/
struct i915_runtime_pm {
bool suspended;
- bool irqs_disabled;
+ bool _irqs_disabled;
};
enum intel_pipe_crc_source {
wait_queue_head_t wq;
};
+struct i915_frontbuffer_tracking {
+ struct mutex lock;
+
+ /*
+ * Tracking bits for delayed frontbuffer flushing du to gpu activity or
+ * scheduled flips.
+ */
+ unsigned busy_bits;
+ unsigned flip_bits;
+};
+
struct drm_i915_private {
struct drm_device *dev;
struct kmem_cache *slab;
struct pci_dev *bridge_dev;
struct intel_engine_cs ring[I915_NUM_RINGS];
+ struct drm_i915_gem_object *semaphore_obj;
uint32_t last_seqno, next_seqno;
drm_dma_handle_t *status_page_dmah;
/* protects the irq masks */
spinlock_t irq_lock;
+ /* protects the mmio flip data */
+ spinlock_t mmio_flip_lock;
+
bool display_irqs_enabled;
/* To control wakeup latency, e.g. for irq-driven dp aux transfers. */
u32 pipestat_irq_mask[I915_MAX_PIPES];
struct work_struct hotplug_work;
- bool enable_hotplug_processing;
struct {
unsigned long hpd_last_jiffies;
int hpd_cnt;
int num_shared_dpll;
struct intel_shared_dpll shared_dplls[I915_NUM_PLLS];
- struct intel_ddi_plls ddi_plls;
int dpio_phy_iosf_port[I915_NUM_PHYS_VLV];
/* Reclocking support */
bool lvds_downclock_avail;
/* indicates the reduced downclock for LVDS*/
int lvds_downclock;
+
+ struct i915_frontbuffer_tracking fb_tracking;
+
u16 orig_clock;
bool mchbar_need_disable;
struct i915_runtime_pm pm;
+ struct intel_digital_port *hpd_irq_port[I915_MAX_PORTS];
+ u32 long_hpd_port_mask;
+ u32 short_hpd_port_mask;
+ struct work_struct dig_port_work;
+
+ /*
+ * if we get a HPD irq from DP and a HPD irq from non-DP
+ * the non-DP HPD could block the workqueue on a mode config
+ * mutex getting, that userspace may have taken. However
+ * userspace is waiting on the DP workqueue to run which is
+ * blocked behind the non-DP one.
+ */
+ struct workqueue_struct *dp_wq;
+
/* Old dri1 support infrastructure, beware the dragons ya fools entering
* here! */
struct i915_dri1_state dri1;
void (*release)(struct drm_i915_gem_object *);
};
+/*
+ * Frontbuffer tracking bits. Set in obj->frontbuffer_bits while a gem bo is
+ * considered to be the frontbuffer for the given plane interface-vise. This
+ * doesn't mean that the hw necessarily already scans it out, but that any
+ * rendering (by the cpu or gpu) will land in the frontbuffer eventually.
+ *
+ * We have one bit per pipe and per scanout plane type.
+ */
+#define INTEL_FRONTBUFFER_BITS_PER_PIPE 4
+#define INTEL_FRONTBUFFER_BITS \
+ (INTEL_FRONTBUFFER_BITS_PER_PIPE * I915_MAX_PIPES)
+#define INTEL_FRONTBUFFER_PRIMARY(pipe) \
+ (1 << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
+#define INTEL_FRONTBUFFER_CURSOR(pipe) \
+ (1 << (1 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
+#define INTEL_FRONTBUFFER_SPRITE(pipe) \
+ (1 << (2 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
+#define INTEL_FRONTBUFFER_OVERLAY(pipe) \
+ (1 << (3 +(INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe))))
+#define INTEL_FRONTBUFFER_ALL_MASK(pipe) \
+ (0xf << (INTEL_FRONTBUFFER_BITS_PER_PIPE * (pipe)))
+
struct drm_i915_gem_object {
struct drm_gem_object base;
unsigned int pin_display:1;
/*
- * Is the GPU currently using a fence to access this buffer,
+ * Is the object to be mapped as read-only to the GPU
+ * Only honoured if hardware has relevant pte bit
*/
- unsigned int pending_fenced_gpu_access:1;
- unsigned int fenced_gpu_access:1;
-
+ unsigned long gt_ro:1;
unsigned int cache_level:3;
unsigned int has_aliasing_ppgtt_mapping:1;
unsigned int has_global_gtt_mapping:1;
unsigned int has_dma_mapping:1;
+ unsigned int frontbuffer_bits:INTEL_FRONTBUFFER_BITS;
+
struct sg_table *pages;
int pages_pin_count;
};
#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
+void i915_gem_track_fb(struct drm_i915_gem_object *old,
+ struct drm_i915_gem_object *new,
+ unsigned frontbuffer_bits);
+
/**
* Request queue structure.
*
int count;
};
-#define INTEL_INFO(dev) (&to_i915(dev)->info)
+/* Note that the (struct drm_i915_private *) cast is just to shut up gcc. */
+#define __I915__(p) ((sizeof(*(p)) == sizeof(struct drm_i915_private)) ? \
+ (struct drm_i915_private *)(p) : to_i915(p))
+#define INTEL_INFO(p) (&__I915__(p)->info)
+#define INTEL_DEVID(p) (INTEL_INFO(p)->device_id)
-#define IS_I830(dev) ((dev)->pdev->device == 0x3577)
-#define IS_845G(dev) ((dev)->pdev->device == 0x2562)
+#define IS_I830(dev) (INTEL_DEVID(dev) == 0x3577)
+#define IS_845G(dev) (INTEL_DEVID(dev) == 0x2562)
#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x)
-#define IS_I865G(dev) ((dev)->pdev->device == 0x2572)
+#define IS_I865G(dev) (INTEL_DEVID(dev) == 0x2572)
#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
-#define IS_I915GM(dev) ((dev)->pdev->device == 0x2592)
-#define IS_I945G(dev) ((dev)->pdev->device == 0x2772)
+#define IS_I915GM(dev) (INTEL_DEVID(dev) == 0x2592)
+#define IS_I945G(dev) (INTEL_DEVID(dev) == 0x2772)
#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm)
#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater)
#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline)
-#define IS_GM45(dev) ((dev)->pdev->device == 0x2A42)
+#define IS_GM45(dev) (INTEL_DEVID(dev) == 0x2A42)
#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x)
-#define IS_PINEVIEW_G(dev) ((dev)->pdev->device == 0xa001)
-#define IS_PINEVIEW_M(dev) ((dev)->pdev->device == 0xa011)
+#define IS_PINEVIEW_G(dev) (INTEL_DEVID(dev) == 0xa001)
+#define IS_PINEVIEW_M(dev) (INTEL_DEVID(dev) == 0xa011)
#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview)
#define IS_G33(dev) (INTEL_INFO(dev)->is_g33)
-#define IS_IRONLAKE_M(dev) ((dev)->pdev->device == 0x0046)
+#define IS_IRONLAKE_M(dev) (INTEL_DEVID(dev) == 0x0046)
#define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge)
-#define IS_IVB_GT1(dev) ((dev)->pdev->device == 0x0156 || \
- (dev)->pdev->device == 0x0152 || \
- (dev)->pdev->device == 0x015a)
-#define IS_SNB_GT1(dev) ((dev)->pdev->device == 0x0102 || \
- (dev)->pdev->device == 0x0106 || \
- (dev)->pdev->device == 0x010A)
+#define IS_IVB_GT1(dev) (INTEL_DEVID(dev) == 0x0156 || \
+ INTEL_DEVID(dev) == 0x0152 || \
+ INTEL_DEVID(dev) == 0x015a)
+#define IS_SNB_GT1(dev) (INTEL_DEVID(dev) == 0x0102 || \
+ INTEL_DEVID(dev) == 0x0106 || \
+ INTEL_DEVID(dev) == 0x010A)
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
#define IS_CHERRYVIEW(dev) (INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
#define IS_BROADWELL(dev) (!INTEL_INFO(dev)->is_valleyview && IS_GEN8(dev))
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
#define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
- ((dev)->pdev->device & 0xFF00) == 0x0C00)
+ (INTEL_DEVID(dev) & 0xFF00) == 0x0C00)
#define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
- (((dev)->pdev->device & 0xf) == 0x2 || \
- ((dev)->pdev->device & 0xf) == 0x6 || \
- ((dev)->pdev->device & 0xf) == 0xe))
+ ((INTEL_DEVID(dev) & 0xf) == 0x2 || \
+ (INTEL_DEVID(dev) & 0xf) == 0x6 || \
+ (INTEL_DEVID(dev) & 0xf) == 0xe))
#define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
- ((dev)->pdev->device & 0xFF00) == 0x0A00)
+ (INTEL_DEVID(dev) & 0xFF00) == 0x0A00)
#define IS_ULT(dev) (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
#define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
- ((dev)->pdev->device & 0x00F0) == 0x0020)
+ (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
/* ULX machines are also considered ULT. */
-#define IS_HSW_ULX(dev) ((dev)->pdev->device == 0x0A0E || \
- (dev)->pdev->device == 0x0A1E)
+#define IS_HSW_ULX(dev) (INTEL_DEVID(dev) == 0x0A0E || \
+ INTEL_DEVID(dev) == 0x0A1E)
#define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
/*
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
#define HAS_HW_CONTEXTS(dev) (INTEL_INFO(dev)->gen >= 6)
-#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6 && \
- (!IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)))
-#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 \
- && !IS_GEN8(dev))
-#define USES_PPGTT(dev) intel_enable_ppgtt(dev, false)
-#define USES_FULL_PPGTT(dev) intel_enable_ppgtt(dev, true)
+#define HAS_ALIASING_PPGTT(dev) (INTEL_INFO(dev)->gen >= 6)
+#define HAS_PPGTT(dev) (INTEL_INFO(dev)->gen >= 7 && !IS_GEN8(dev))
+#define USES_PPGTT(dev) (i915.enable_ppgtt)
+#define USES_FULL_PPGTT(dev) (i915.enable_ppgtt == 2)
#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay)
#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical)
#define HAS_PCH_NOP(dev) (INTEL_PCH_TYPE(dev) == PCH_NOP)
#define HAS_PCH_SPLIT(dev) (INTEL_PCH_TYPE(dev) != PCH_NONE)
+#define HAS_GMCH_DISPLAY(dev) (INTEL_INFO(dev)->gen < 5 || IS_VALLEYVIEW(dev))
+
/* DPF == dynamic parity feature */
#define HAS_L3_DPF(dev) (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))
#define NUM_L3_SLICES(dev) (IS_HSW_GT3(dev) ? 2 : HAS_L3_DPF(dev))
bool reset;
bool disable_display;
bool disable_vtd_wa;
+ int use_mmio_flip;
+ bool mmio_debug;
};
extern struct i915_params i915 __read_mostly;
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_open(struct drm_device *dev, struct drm_file *file_priv);
+extern int i915_driver_open(struct drm_device *dev, struct drm_file *file);
extern void i915_driver_lastclose(struct drm_device * dev);
extern void i915_driver_preclose(struct drm_device *dev,
- struct drm_file *file_priv);
+ struct drm_file *file);
extern void i915_driver_postclose(struct drm_device *dev,
- struct drm_file *file_priv);
+ struct drm_file *file);
extern int i915_driver_device_is_agp(struct drm_device * dev);
#ifdef CONFIG_COMPAT
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
extern void intel_hpd_init(struct drm_device *dev);
extern void intel_uncore_sanitize(struct drm_device *dev);
-extern void intel_uncore_early_sanitize(struct drm_device *dev);
+extern void intel_uncore_early_sanitize(struct drm_device *dev,
+ bool restore_forcewake);
extern void intel_uncore_init(struct drm_device *dev);
extern void intel_uncore_check_errors(struct drm_device *dev);
extern void intel_uncore_fini(struct drm_device *dev);
+extern void intel_uncore_forcewake_reset(struct drm_device *dev, bool restore);
void
i915_enable_pipestat(struct drm_i915_private *dev_priv, enum pipe pipe,
void i915_gem_retire_requests_ring(struct intel_engine_cs *ring);
int __must_check i915_gem_check_wedge(struct i915_gpu_error *error,
bool interruptible);
+int __must_check i915_gem_check_olr(struct intel_engine_cs *ring, u32 seqno);
+
static inline bool i915_reset_in_progress(struct i915_gpu_error *error)
{
return unlikely(atomic_read(&error->reset_counter)
static inline bool i915_gem_context_is_default(const struct intel_context *c)
{
- return c->id == DEFAULT_CONTEXT_ID;
+ return c->user_handle == DEFAULT_CONTEXT_HANDLE;
}
int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
/* i915_gem_stolen.c */
int i915_gem_init_stolen(struct drm_device *dev);
-int i915_gem_stolen_setup_compression(struct drm_device *dev, int size);
+int i915_gem_stolen_setup_compression(struct drm_device *dev, int size, int fb_cpp);
void i915_gem_stolen_cleanup_compression(struct drm_device *dev);
void i915_gem_cleanup_stolen(struct drm_device *dev);
struct drm_i915_gem_object *
u32 stolen_offset,
u32 gtt_offset,
u32 size);
-void i915_gem_object_release_stolen(struct drm_i915_gem_object *obj);
/* i915_gem_tiling.c */
static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_object *obj)
extern void intel_init_pch_refclk(struct drm_device *dev);
extern void gen6_set_rps(struct drm_device *dev, u8 val);
extern void valleyview_set_rps(struct drm_device *dev, u8 val);
-extern int valleyview_rps_max_freq(struct drm_i915_private *dev_priv);
-extern int valleyview_rps_min_freq(struct drm_i915_private *dev_priv);
+extern void intel_set_memory_cxsr(struct drm_i915_private *dev_priv,
+ bool enable);
extern void intel_detect_pch(struct drm_device *dev);
extern int intel_trans_dp_port_sel(struct drm_crtc *crtc);
extern int intel_enable_rc6(const struct drm_device *dev);
int i915_get_reset_stats_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
+void intel_notify_mmio_flip(struct intel_engine_cs *ring);
+
/* overlay */
extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev);
extern void intel_overlay_print_error_state(struct drm_i915_error_state_buf *e,
static inline uint32_t i915_vgacntrl_reg(struct drm_device *dev)
{
- if (HAS_PCH_SPLIT(dev))
- return CPU_VGACNTRL;
- else if (IS_VALLEYVIEW(dev))
+ if (IS_VALLEYVIEW(dev))
return VLV_VGACNTRL;
+ else if (INTEL_INFO(dev)->gen >= 5)
+ return CPU_VGACNTRL;
else
return VGACNTRL;
}