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-rw-r--r--drivers/gpu/drm/drm_irq.c16
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h2
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c33
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c12
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_marker.c44
6 files changed, 37 insertions, 74 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 0de123afdb34..08ba1209228e 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -542,8 +542,8 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc,
const struct drm_crtc *refcrtc,
const struct drm_display_mode *mode)
{
- ktime_t stime, etime, mono_time_offset;
struct timeval tv_etime;
+ ktime_t stime, etime;
int vbl_status;
int vpos, hpos, i;
int framedur_ns, linedur_ns, pixeldur_ns, delta_ns, duration_ns;
@@ -588,13 +588,6 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc,
vbl_status = dev->driver->get_scanout_position(dev, crtc, flags, &vpos,
&hpos, &stime, &etime);
- /*
- * Get correction for CLOCK_MONOTONIC -> CLOCK_REALTIME if
- * CLOCK_REALTIME is requested.
- */
- if (!drm_timestamp_monotonic)
- mono_time_offset = ktime_get_monotonic_offset();
-
/* Return as no-op if scanout query unsupported or failed. */
if (!(vbl_status & DRM_SCANOUTPOS_VALID)) {
DRM_DEBUG("crtc %d : scanoutpos query failed [%d].\n",
@@ -633,7 +626,7 @@ int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, int crtc,
delta_ns = vpos * linedur_ns + hpos * pixeldur_ns;
if (!drm_timestamp_monotonic)
- etime = ktime_sub(etime, mono_time_offset);
+ etime = ktime_mono_to_real(etime);
/* save this only for debugging purposes */
tv_etime = ktime_to_timeval(etime);
@@ -664,10 +657,7 @@ static struct timeval get_drm_timestamp(void)
{
ktime_t now;
- now = ktime_get();
- if (!drm_timestamp_monotonic)
- now = ktime_sub(now, ktime_get_monotonic_offset());
-
+ now = drm_timestamp_monotonic ? ktime_get() : ktime_get_real();
return ktime_to_timeval(now);
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 374f964323ad..1f7700897dfc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -931,7 +931,7 @@ struct intel_ilk_power_mgmt {
unsigned long last_time1;
unsigned long chipset_power;
u64 last_count2;
- struct timespec last_time2;
+ u64 last_time2;
unsigned long gfx_power;
u8 corr;
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d893e4da5dce..f247d922e44a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1149,16 +1149,16 @@ static bool can_wait_boost(struct drm_i915_file_private *file_priv)
static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
unsigned reset_counter,
bool interruptible,
- struct timespec *timeout,
+ s64 *timeout,
struct drm_i915_file_private *file_priv)
{
struct drm_device *dev = ring->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
const bool irq_test_in_progress =
ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_ring_flag(ring);
- struct timespec before, now;
DEFINE_WAIT(wait);
unsigned long timeout_expire;
+ s64 before, now;
int ret;
WARN(dev_priv->pm.irqs_disabled, "IRQs disabled\n");
@@ -1166,7 +1166,7 @@ static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
if (i915_seqno_passed(ring->get_seqno(ring, true), seqno))
return 0;
- timeout_expire = timeout ? jiffies + timespec_to_jiffies_timeout(timeout) : 0;
+ timeout_expire = timeout ? jiffies + nsecs_to_jiffies((u64)*timeout) : 0;
if (INTEL_INFO(dev)->gen >= 6 && can_wait_boost(file_priv)) {
gen6_rps_boost(dev_priv);
@@ -1181,7 +1181,7 @@ static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
/* Record current time in case interrupted by signal, or wedged */
trace_i915_gem_request_wait_begin(ring, seqno);
- getrawmonotonic(&before);
+ before = ktime_get_raw_ns();
for (;;) {
struct timer_list timer;
@@ -1230,7 +1230,7 @@ static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
destroy_timer_on_stack(&timer);
}
}
- getrawmonotonic(&now);
+ now = ktime_get_raw_ns();
trace_i915_gem_request_wait_end(ring, seqno);
if (!irq_test_in_progress)
@@ -1239,10 +1239,9 @@ static int __wait_seqno(struct intel_engine_cs *ring, u32 seqno,
finish_wait(&ring->irq_queue, &wait);
if (timeout) {
- struct timespec sleep_time = timespec_sub(now, before);
- *timeout = timespec_sub(*timeout, sleep_time);
- if (!timespec_valid(timeout)) /* i.e. negative time remains */
- set_normalized_timespec(timeout, 0, 0);
+ s64 tres = *timeout - (now - before);
+
+ *timeout = tres < 0 ? 0 : tres;
}
return ret;
@@ -2746,16 +2745,10 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
struct drm_i915_gem_wait *args = data;
struct drm_i915_gem_object *obj;
struct intel_engine_cs *ring = NULL;
- struct timespec timeout_stack, *timeout = NULL;
unsigned reset_counter;
u32 seqno = 0;
int ret = 0;
- if (args->timeout_ns >= 0) {
- timeout_stack = ns_to_timespec(args->timeout_ns);
- timeout = &timeout_stack;
- }
-
ret = i915_mutex_lock_interruptible(dev);
if (ret)
return ret;
@@ -2780,9 +2773,9 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
goto out;
/* Do this after OLR check to make sure we make forward progress polling
- * on this IOCTL with a 0 timeout (like busy ioctl)
+ * on this IOCTL with a timeout <=0 (like busy ioctl)
*/
- if (!args->timeout_ns) {
+ if (args->timeout_ns <= 0) {
ret = -ETIME;
goto out;
}
@@ -2791,10 +2784,8 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter);
mutex_unlock(&dev->struct_mutex);
- ret = __wait_seqno(ring, seqno, reset_counter, true, timeout, file->driver_priv);
- if (timeout)
- args->timeout_ns = timespec_to_ns(timeout);
- return ret;
+ return __wait_seqno(ring, seqno, reset_counter, true, &args->timeout_ns,
+ file->driver_priv);
out:
drm_gem_object_unreference(&obj->base);
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ee72807069e4..f1233f544f3e 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2993,7 +2993,7 @@ static void ironlake_enable_drps(struct drm_device *dev)
I915_READ(0x112e0);
dev_priv->ips.last_time1 = jiffies_to_msecs(jiffies);
dev_priv->ips.last_count2 = I915_READ(0x112f4);
- getrawmonotonic(&dev_priv->ips.last_time2);
+ dev_priv->ips.last_time2 = ktime_get_raw_ns();
spin_unlock_irq(&mchdev_lock);
}
@@ -4314,18 +4314,16 @@ static u16 pvid_to_extvid(struct drm_i915_private *dev_priv, u8 pxvid)
static void __i915_update_gfx_val(struct drm_i915_private *dev_priv)
{
- struct timespec now, diff1;
- u64 diff;
- unsigned long diffms;
+ u64 now, diff, diffms;
u32 count;
assert_spin_locked(&mchdev_lock);
- getrawmonotonic(&now);
- diff1 = timespec_sub(now, dev_priv->ips.last_time2);
+ now = ktime_get_raw_ns();
+ diffms = now - dev_priv->ips.last_time2;
+ do_div(diffms, NSEC_PER_MSEC);
/* Don't divide by 0 */
- diffms = diff1.tv_sec * 1000 + diff1.tv_nsec / 1000000;
if (!diffms)
return;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 6b252a887ae2..c886c024c637 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -159,8 +159,8 @@ struct vmw_surface {
struct vmw_marker_queue {
struct list_head head;
- struct timespec lag;
- struct timespec lag_time;
+ u64 lag;
+ u64 lag_time;
spinlock_t lock;
};
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
index 8a8725c2716c..efd1ffd68185 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c
@@ -31,14 +31,14 @@
struct vmw_marker {
struct list_head head;
uint32_t seqno;
- struct timespec submitted;
+ u64 submitted;
};
void vmw_marker_queue_init(struct vmw_marker_queue *queue)
{
INIT_LIST_HEAD(&queue->head);
- queue->lag = ns_to_timespec(0);
- getrawmonotonic(&queue->lag_time);
+ queue->lag = 0;
+ queue->lag_time = ktime_get_raw_ns();
spin_lock_init(&queue->lock);
}
@@ -62,7 +62,7 @@ int vmw_marker_push(struct vmw_marker_queue *queue,
return -ENOMEM;
marker->seqno = seqno;
- getrawmonotonic(&marker->submitted);
+ marker->submitted = ktime_get_raw_ns();
spin_lock(&queue->lock);
list_add_tail(&marker->head, &queue->head);
spin_unlock(&queue->lock);
@@ -74,14 +74,14 @@ int vmw_marker_pull(struct vmw_marker_queue *queue,
uint32_t signaled_seqno)
{
struct vmw_marker *marker, *next;
- struct timespec now;
bool updated = false;
+ u64 now;
spin_lock(&queue->lock);
- getrawmonotonic(&now);
+ now = ktime_get_raw_ns();
if (list_empty(&queue->head)) {
- queue->lag = ns_to_timespec(0);
+ queue->lag = 0;
queue->lag_time = now;
updated = true;
goto out_unlock;
@@ -91,7 +91,7 @@ int vmw_marker_pull(struct vmw_marker_queue *queue,
if (signaled_seqno - marker->seqno > (1 << 30))
continue;
- queue->lag = timespec_sub(now, marker->submitted);
+ queue->lag = now - marker->submitted;
queue->lag_time = now;
updated = true;
list_del(&marker->head);
@@ -104,27 +104,13 @@ out_unlock:
return (updated) ? 0 : -EBUSY;
}
-static struct timespec vmw_timespec_add(struct timespec t1,
- struct timespec t2)
+static u64 vmw_fifo_lag(struct vmw_marker_queue *queue)
{
- t1.tv_sec += t2.tv_sec;
- t1.tv_nsec += t2.tv_nsec;
- if (t1.tv_nsec >= 1000000000L) {
- t1.tv_sec += 1;
- t1.tv_nsec -= 1000000000L;
- }
-
- return t1;
-}
-
-static struct timespec vmw_fifo_lag(struct vmw_marker_queue *queue)
-{
- struct timespec now;
+ u64 now;
spin_lock(&queue->lock);
- getrawmonotonic(&now);
- queue->lag = vmw_timespec_add(queue->lag,
- timespec_sub(now, queue->lag_time));
+ now = ktime_get_raw_ns();
+ queue->lag += now - queue->lag_time;
queue->lag_time = now;
spin_unlock(&queue->lock);
return queue->lag;
@@ -134,11 +120,9 @@ static struct timespec vmw_fifo_lag(struct vmw_marker_queue *queue)
static bool vmw_lag_lt(struct vmw_marker_queue *queue,
uint32_t us)
{
- struct timespec lag, cond;
+ u64 cond = (u64) us * NSEC_PER_USEC;
- cond = ns_to_timespec((s64) us * 1000);
- lag = vmw_fifo_lag(queue);
- return (timespec_compare(&lag, &cond) < 1);
+ return vmw_fifo_lag(queue) <= cond;
}
int vmw_wait_lag(struct vmw_private *dev_priv,