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path: root/drivers/gpu/drm/i915/i915_drv.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h347
1 files changed, 172 insertions, 175 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c9b0949f6c1a..35e161b5b90e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -55,6 +55,7 @@
#include "i915_reg.h"
#include "i915_utils.h"
+#include "intel_uncore.h"
#include "intel_bios.h"
#include "intel_dpll_mgr.h"
#include "intel_uc.h"
@@ -79,8 +80,8 @@
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20170403"
-#define DRIVER_TIMESTAMP 1491198738
+#define DRIVER_DATE "20170529"
+#define DRIVER_TIMESTAMP 1496041258
/* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
* WARN_ON()) for hw state sanity checks to check for unexpected conditions
@@ -114,6 +115,13 @@ typedef struct {
fp; \
})
+static inline bool is_fixed16_zero(uint_fixed_16_16_t val)
+{
+ if (val.val == 0)
+ return true;
+ return false;
+}
+
static inline uint_fixed_16_16_t u32_to_fixed_16_16(uint32_t val)
{
uint_fixed_16_16_t fp;
@@ -152,8 +160,39 @@ static inline uint_fixed_16_16_t max_fixed_16_16(uint_fixed_16_16_t max1,
return max;
}
-static inline uint_fixed_16_16_t fixed_16_16_div_round_up(uint32_t val,
- uint32_t d)
+static inline uint32_t div_round_up_fixed16(uint_fixed_16_16_t val,
+ uint_fixed_16_16_t d)
+{
+ return DIV_ROUND_UP(val.val, d.val);
+}
+
+static inline uint32_t mul_round_up_u32_fixed16(uint32_t val,
+ uint_fixed_16_16_t mul)
+{
+ uint64_t intermediate_val;
+ uint32_t result;
+
+ intermediate_val = (uint64_t) val * mul.val;
+ intermediate_val = DIV_ROUND_UP_ULL(intermediate_val, 1 << 16);
+ WARN_ON(intermediate_val >> 32);
+ result = clamp_t(uint32_t, intermediate_val, 0, ~0);
+ return result;
+}
+
+static inline uint_fixed_16_16_t mul_fixed16(uint_fixed_16_16_t val,
+ uint_fixed_16_16_t mul)
+{
+ uint64_t intermediate_val;
+ uint_fixed_16_16_t fp;
+
+ intermediate_val = (uint64_t) val.val * mul.val;
+ intermediate_val = intermediate_val >> 16;
+ WARN_ON(intermediate_val >> 32);
+ fp.val = clamp_t(uint32_t, intermediate_val, 0, ~0);
+ return fp;
+}
+
+static inline uint_fixed_16_16_t fixed_16_16_div(uint32_t val, uint32_t d)
{
uint_fixed_16_16_t fp, res;
@@ -162,8 +201,7 @@ static inline uint_fixed_16_16_t fixed_16_16_div_round_up(uint32_t val,
return res;
}
-static inline uint_fixed_16_16_t fixed_16_16_div_round_up_u64(uint32_t val,
- uint32_t d)
+static inline uint_fixed_16_16_t fixed_16_16_div_u64(uint32_t val, uint32_t d)
{
uint_fixed_16_16_t res;
uint64_t interm_val;
@@ -176,6 +214,17 @@ static inline uint_fixed_16_16_t fixed_16_16_div_round_up_u64(uint32_t val,
return res;
}
+static inline uint32_t div_round_up_u32_fixed16(uint32_t val,
+ uint_fixed_16_16_t d)
+{
+ uint64_t interm_val;
+
+ interm_val = (uint64_t)val << 16;
+ interm_val = DIV_ROUND_UP_ULL(interm_val, d.val);
+ WARN_ON(interm_val >> 32);
+ return clamp_t(uint32_t, interm_val, 0, ~0);
+}
+
static inline uint_fixed_16_16_t mul_u32_fixed_16_16(uint32_t val,
uint_fixed_16_16_t mul)
{
@@ -676,116 +725,6 @@ struct drm_i915_display_funcs {
void (*load_luts)(struct drm_crtc_state *crtc_state);
};
-enum forcewake_domain_id {
- FW_DOMAIN_ID_RENDER = 0,
- FW_DOMAIN_ID_BLITTER,
- FW_DOMAIN_ID_MEDIA,
-
- FW_DOMAIN_ID_COUNT
-};
-
-enum forcewake_domains {
- FORCEWAKE_RENDER = BIT(FW_DOMAIN_ID_RENDER),
- FORCEWAKE_BLITTER = BIT(FW_DOMAIN_ID_BLITTER),
- FORCEWAKE_MEDIA = BIT(FW_DOMAIN_ID_MEDIA),
- FORCEWAKE_ALL = (FORCEWAKE_RENDER |
- FORCEWAKE_BLITTER |
- FORCEWAKE_MEDIA)
-};
-
-#define FW_REG_READ (1)
-#define FW_REG_WRITE (2)
-
-enum decoupled_power_domain {
- GEN9_DECOUPLED_PD_BLITTER = 0,
- GEN9_DECOUPLED_PD_RENDER,
- GEN9_DECOUPLED_PD_MEDIA,
- GEN9_DECOUPLED_PD_ALL
-};
-
-enum decoupled_ops {
- GEN9_DECOUPLED_OP_WRITE = 0,
- GEN9_DECOUPLED_OP_READ
-};
-
-enum forcewake_domains
-intel_uncore_forcewake_for_reg(struct drm_i915_private *dev_priv,
- i915_reg_t reg, unsigned int op);
-
-struct intel_uncore_funcs {
- void (*force_wake_get)(struct drm_i915_private *dev_priv,
- enum forcewake_domains domains);
- void (*force_wake_put)(struct drm_i915_private *dev_priv,
- enum forcewake_domains domains);
-
- uint8_t (*mmio_readb)(struct drm_i915_private *dev_priv,
- i915_reg_t r, bool trace);
- uint16_t (*mmio_readw)(struct drm_i915_private *dev_priv,
- i915_reg_t r, bool trace);
- uint32_t (*mmio_readl)(struct drm_i915_private *dev_priv,
- i915_reg_t r, bool trace);
- uint64_t (*mmio_readq)(struct drm_i915_private *dev_priv,
- i915_reg_t r, bool trace);
-
- void (*mmio_writeb)(struct drm_i915_private *dev_priv,
- i915_reg_t r, uint8_t val, bool trace);
- void (*mmio_writew)(struct drm_i915_private *dev_priv,
- i915_reg_t r, uint16_t val, bool trace);
- void (*mmio_writel)(struct drm_i915_private *dev_priv,
- i915_reg_t r, uint32_t val, bool trace);
-};
-
-struct intel_forcewake_range {
- u32 start;
- u32 end;
-
- enum forcewake_domains domains;
-};
-
-struct intel_uncore {
- spinlock_t lock; /** lock is also taken in irq contexts. */
-
- const struct intel_forcewake_range *fw_domains_table;
- unsigned int fw_domains_table_entries;
-
- struct notifier_block pmic_bus_access_nb;
- struct intel_uncore_funcs funcs;
-
- unsigned fifo_count;
-
- enum forcewake_domains fw_domains;
- enum forcewake_domains fw_domains_active;
-
- u32 fw_set;
- u32 fw_clear;
- u32 fw_reset;
-
- struct intel_uncore_forcewake_domain {
- enum forcewake_domain_id id;
- enum forcewake_domains mask;
- unsigned wake_count;
- struct hrtimer timer;
- i915_reg_t reg_set;
- i915_reg_t reg_ack;
- } fw_domain[FW_DOMAIN_ID_COUNT];
-
- int unclaimed_mmio_check;
-};
-
-#define __mask_next_bit(mask) ({ \
- int __idx = ffs(mask) - 1; \
- mask &= ~BIT(__idx); \
- __idx; \
-})
-
-/* Iterate over initialised fw domains */
-#define for_each_fw_domain_masked(domain__, mask__, dev_priv__, tmp__) \
- for (tmp__ = (mask__); \
- tmp__ ? (domain__ = &(dev_priv__)->uncore.fw_domain[__mask_next_bit(tmp__)]), 1 : 0;)
-
-#define for_each_fw_domain(domain__, dev_priv__, tmp__) \
- for_each_fw_domain_masked(domain__, (dev_priv__)->uncore.fw_domains, dev_priv__, tmp__)
-
#define CSR_VERSION(major, minor) ((major) << 16 | (minor))
#define CSR_VERSION_MAJOR(version) ((version) >> 16)
#define CSR_VERSION_MINOR(version) ((version) & 0xffff)
@@ -821,8 +760,8 @@ struct intel_csr {
func(has_gmbus_irq); \
func(has_gmch_display); \
func(has_guc); \
+ func(has_guc_ct); \
func(has_hotplug); \
- func(has_hw_contexts); \
func(has_l3_dpf); \
func(has_llc); \
func(has_logical_ring_contexts); \
@@ -1025,6 +964,9 @@ struct i915_gpu_state {
u32 *pages[0];
} *ringbuffer, *batchbuffer, *wa_batchbuffer, *ctx, *hws_page;
+ struct drm_i915_error_object **user_bo;
+ long user_bo_count;
+
struct drm_i915_error_object *wa_ctx;
struct drm_i915_error_request {
@@ -1511,11 +1453,7 @@ struct i915_gem_mm {
/** LRU list of objects with fence regs on them. */
struct list_head fence_list;
- /**
- * Are we in a non-interruptible section of code like
- * modesetting?
- */
- bool interruptible;
+ u64 unordered_timeline;
/* the indicator for dispatch video commands on two BSD rings */
atomic_t bsd_engine_dispatch_index;
@@ -1566,7 +1504,7 @@ struct i915_gpu_error {
*
* This is a counter which gets incremented when reset is triggered,
*
- * Before the reset commences, the I915_RESET_IN_PROGRESS bit is set
+ * Before the reset commences, the I915_RESET_BACKOFF bit is set
* meaning that any waiters holding onto the struct_mutex should
* relinquish the lock immediately in order for the reset to start.
*
@@ -1763,13 +1701,15 @@ struct ilk_wm_values {
enum intel_ddb_partitioning partitioning;
};
-struct vlv_pipe_wm {
+struct g4x_pipe_wm {
uint16_t plane[I915_MAX_PLANES];
+ uint16_t fbc;
};
-struct vlv_sr_wm {
+struct g4x_sr_wm {
uint16_t plane;
uint16_t cursor;
+ uint16_t fbc;
};
struct vlv_wm_ddl_values {
@@ -1777,13 +1717,22 @@ struct vlv_wm_ddl_values {
};
struct vlv_wm_values {
- struct vlv_pipe_wm pipe[3];
- struct vlv_sr_wm sr;
+ struct g4x_pipe_wm pipe[3];
+ struct g4x_sr_wm sr;
struct vlv_wm_ddl_values ddl[3];
uint8_t level;
bool cxsr;
};
+struct g4x_wm_values {
+ struct g4x_pipe_wm pipe[2];
+ struct g4x_sr_wm sr;
+ struct g4x_sr_wm hpll;
+ bool cxsr;
+ bool hpll_en;
+ bool fbc_en;
+};
+
struct skl_ddb_entry {
uint16_t start, end; /* in number of blocks, 'end' is exclusive */
};
@@ -2100,7 +2049,7 @@ struct i915_oa_ops {
size_t *offset);
/**
- * @oa_buffer_is_empty: Check if OA buffer empty (false positives OK)
+ * @oa_buffer_check: Check for OA buffer data + update tail
*
* This is either called via fops or the poll check hrtimer (atomic
* ctx) without any locks taken.
@@ -2113,7 +2062,7 @@ struct i915_oa_ops {
* here, which will be handled gracefully - likely resulting in an
* %EAGAIN error for userspace.
*/
- bool (*oa_buffer_is_empty)(struct drm_i915_private *dev_priv);
+ bool (*oa_buffer_check)(struct drm_i915_private *dev_priv);
};
struct intel_cdclk_state {
@@ -2127,6 +2076,7 @@ struct drm_i915_private {
struct kmem_cache *vmas;
struct kmem_cache *requests;
struct kmem_cache *dependencies;
+ struct kmem_cache *priorities;
const struct intel_device_info info;
@@ -2362,7 +2312,6 @@ struct drm_i915_private {
*/
struct mutex av_mutex;
- uint32_t hw_context_size;
struct list_head context_list;
u32 fdi_rx_config;
@@ -2413,6 +2362,7 @@ struct drm_i915_private {
struct ilk_wm_values hw;
struct skl_wm_values skl_hw;
struct vlv_wm_values vlv;
+ struct g4x_wm_values g4x;
};
uint8_t max_level;
@@ -2454,11 +2404,14 @@ struct drm_i915_private {
wait_queue_head_t poll_wq;
bool pollin;
+ /**
+ * For rate limiting any notifications of spurious
+ * invalid OA reports
+ */
+ struct ratelimit_state spurious_report_rs;
+
bool periodic;
int period_exponent;
- int timestamp_frequency;
-
- int tail_margin;
int metrics_set;
@@ -2472,6 +2425,70 @@ struct drm_i915_private {
u8 *vaddr;
int format;
int format_size;
+
+ /**
+ * Locks reads and writes to all head/tail state
+ *
+ * Consider: the head and tail pointer state
+ * needs to be read consistently from a hrtimer
+ * callback (atomic context) and read() fop
+ * (user context) with tail pointer updates
+ * happening in atomic context and head updates
+ * in user context and the (unlikely)
+ * possibility of read() errors needing to
+ * reset all head/tail state.
+ *
+ * Note: Contention or performance aren't
+ * currently a significant concern here
+ * considering the relatively low frequency of
+ * hrtimer callbacks (5ms period) and that
+ * reads typically only happen in response to a
+ * hrtimer event and likely complete before the
+ * next callback.
+ *
+ * Note: This lock is not held *while* reading
+ * and copying data to userspace so the value
+ * of head observed in htrimer callbacks won't
+ * represent any partial consumption of data.
+ */
+ spinlock_t ptr_lock;
+
+ /**
+ * One 'aging' tail pointer and one 'aged'
+ * tail pointer ready to used for reading.
+ *
+ * Initial values of 0xffffffff are invalid
+ * and imply that an update is required
+ * (and should be ignored by an attempted
+ * read)
+ */
+ struct {
+ u32 offset;
+ } tails[2];
+
+ /**
+ * Index for the aged tail ready to read()
+ * data up to.
+ */
+ unsigned int aged_tail_idx;
+
+ /**
+ * A monotonic timestamp for when the current
+ * aging tail pointer was read; used to
+ * determine when it is old enough to trust.
+ */
+ u64 aging_timestamp;
+
+ /**
+ * Although we can always read back the head
+ * pointer register, we prefer to avoid
+ * trusting the HW state, just to avoid any
+ * risk that some hardware condition could
+ * somehow bump the head pointer unpredictably
+ * and cause us to forward the wrong OA buffer
+ * data to userspace.
+ */
+ u32 head;
} oa_buffer;
u32 gen7_latched_oastatus1;
@@ -2870,7 +2887,6 @@ intel_info(const struct drm_i915_private *dev_priv)
#define HWS_NEEDS_PHYSICAL(dev_priv) ((dev_priv)->info.hws_needs_physical)
-#define HAS_HW_CONTEXTS(dev_priv) ((dev_priv)->info.has_hw_contexts)
#define HAS_LOGICAL_RING_CONTEXTS(dev_priv) \
((dev_priv)->info.has_logical_ring_contexts)
#define USES_PPGTT(dev_priv) (i915.enable_ppgtt)
@@ -2909,6 +2925,7 @@ intel_info(const struct drm_i915_private *dev_priv)
#define HAS_FW_BLC(dev_priv) (INTEL_GEN(dev_priv) > 2)
#define HAS_PIPE_CXSR(dev_priv) ((dev_priv)->info.has_pipe_cxsr)
#define HAS_FBC(dev_priv) ((dev_priv)->info.has_fbc)
+#define HAS_CUR_FBC(dev_priv) (!HAS_GMCH_DISPLAY(dev_priv) && INTEL_INFO(dev_priv)->gen >= 7)
#define HAS_IPS(dev_priv) (IS_HSW_ULT(dev_priv) || IS_BROADWELL(dev_priv))
@@ -2931,6 +2948,7 @@ intel_info(const struct drm_i915_private *dev_priv)
* properties, so we have separate macros to test them.
*/
#define HAS_GUC(dev_priv) ((dev_priv)->info.has_guc)
+#define HAS_GUC_CT(dev_priv) ((dev_priv)->info.has_guc_ct)
#define HAS_GUC_UCODE(dev_priv) (HAS_GUC(dev_priv))
#define HAS_GUC_SCHED(dev_priv) (HAS_GUC(dev_priv))
#define HAS_HUC_UCODE(dev_priv) (HAS_GUC(dev_priv))
@@ -2981,15 +2999,26 @@ intel_info(const struct drm_i915_private *dev_priv)
#include "i915_trace.h"
-static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv)
+static inline bool intel_vtd_active(void)
{
#ifdef CONFIG_INTEL_IOMMU
- if (INTEL_GEN(dev_priv) >= 6 && intel_iommu_gfx_mapped)
+ if (intel_iommu_gfx_mapped)
return true;
#endif
return false;
}
+static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv)
+{
+ return INTEL_GEN(dev_priv) >= 6 && intel_vtd_active();
+}
+
+static inline bool
+intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv)
+{
+ return IS_BROXTON(dev_priv) && intel_vtd_active();
+}
+
int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv,
int enable_ppgtt);
@@ -3026,7 +3055,7 @@ extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv);
extern void i915_update_gfx_val(struct drm_i915_private *dev_priv);
int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool on);
-int intel_engines_init_early(struct drm_i915_private *dev_priv);
+int intel_engines_init_mmio(struct drm_i915_private *dev_priv);
int intel_engines_init(struct drm_i915_private *dev_priv);
/* intel_hotplug.c */
@@ -3063,43 +3092,10 @@ void i915_handle_error(struct drm_i915_private *dev_priv,
const char *fmt, ...);
extern void intel_irq_init(struct drm_i915_private *dev_priv);
+extern void intel_irq_fini(struct drm_i915_private *dev_priv);
int intel_irq_install(struct drm_i915_private *dev_priv);
void intel_irq_uninstall(struct drm_i915_private *dev_priv);
-extern void intel_uncore_sanitize(struct drm_i915_private *dev_priv);
-extern void intel_uncore_init(struct drm_i915_private *dev_priv);
-extern bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv);
-extern bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv);
-extern void intel_uncore_fini(struct drm_i915_private *dev_priv);
-extern void intel_uncore_suspend(struct drm_i915_private *dev_priv);
-extern void intel_uncore_resume_early(struct drm_i915_private *dev_priv);
-const char *intel_uncore_forcewake_domain_to_str(const enum forcewake_domain_id id);
-void intel_uncore_forcewake_get(struct drm_i915_private *dev_priv,
- enum forcewake_domains domains);
-void intel_uncore_forcewake_put(struct drm_i915_private *dev_priv,
- enum forcewake_domains domains);
-/* Like above but the caller must manage the uncore.lock itself.
- * Must be used with I915_READ_FW and friends.
- */
-void intel_uncore_forcewake_get__locked(struct drm_i915_private *dev_priv,
- enum forcewake_domains domains);
-void intel_uncore_forcewake_put__locked(struct drm_i915_private *dev_priv,
- enum forcewake_domains domains);
-u64 intel_uncore_edram_size(struct drm_i915_private *dev_priv);
-
-void assert_forcewakes_inactive(struct drm_i915_private *dev_priv);
-
-int intel_wait_for_register(struct drm_i915_private *dev_priv,
- i915_reg_t reg,
- const u32 mask,
- const u32 value,
- const unsigned long timeout_ms);
-int intel_wait_for_register_fw(struct drm_i915_private *dev_priv,
- i915_reg_t reg,
- const u32 mask,
- const u32 value,
- const unsigned long timeout_ms);
-
static inline bool intel_gvt_active(struct drm_i915_private *dev_priv)
{
return dev_priv->gvt;
@@ -3447,8 +3443,9 @@ int i915_gem_object_wait_priority(struct drm_i915_gem_object *obj,
#define I915_PRIORITY_DISPLAY I915_PRIORITY_MAX
int __must_check
-i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj,
- bool write);
+i915_gem_object_set_to_wc_domain(struct drm_i915_gem_object *obj, bool write);
+int __must_check
+i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write);
int __must_check
i915_gem_object_set_to_cpu_domain(struct drm_i915_gem_object *obj, bool write);
struct i915_vma * __must_check
@@ -3711,8 +3708,8 @@ int intel_lpe_audio_init(struct drm_i915_private *dev_priv);
void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv);
void intel_lpe_audio_irq_handler(struct drm_i915_private *dev_priv);
void intel_lpe_audio_notify(struct drm_i915_private *dev_priv,
- void *eld, int port, int pipe, int tmds_clk_speed,
- bool dp_output, int link_rate);
+ enum pipe pipe, enum port port,
+ const void *eld, int ls_clock, bool dp_output);
/* intel_i2c.c */
extern int intel_setup_gmbus(struct drm_i915_private *dev_priv);