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path: root/drivers/gpu/drm/i915/i915_irq.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c96
1 files changed, 41 insertions, 55 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 190f6aa5d15e..4cd9ee1ba332 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -720,9 +720,7 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
struct drm_i915_private *dev_priv = to_i915(dev);
i915_reg_t high_frame, low_frame;
u32 high1, high2, low, pixel, vbl_start, hsync_start, htotal;
- struct intel_crtc *intel_crtc = intel_get_crtc_for_pipe(dev_priv,
- pipe);
- const struct drm_display_mode *mode = &intel_crtc->base.hwmode;
+ const struct drm_display_mode *mode = &dev->vblank[pipe].hwmode;
unsigned long irqflags;
htotal = mode->crtc_htotal;
@@ -779,13 +777,17 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
- const struct drm_display_mode *mode = &crtc->base.hwmode;
+ const struct drm_display_mode *mode;
+ struct drm_vblank_crtc *vblank;
enum pipe pipe = crtc->pipe;
int position, vtotal;
if (!crtc->active)
return -1;
+ vblank = &crtc->base.dev->vblank[drm_crtc_index(&crtc->base)];
+ mode = &vblank->hwmode;
+
vtotal = mode->crtc_vtotal;
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
vtotal /= 2;
@@ -827,10 +829,10 @@ static int __intel_get_crtc_scanline(struct intel_crtc *crtc)
return (position + crtc->scanline_offset) % vtotal;
}
-static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
- unsigned int flags, int *vpos, int *hpos,
- ktime_t *stime, ktime_t *etime,
- const struct drm_display_mode *mode)
+static bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
+ bool in_vblank_irq, int *vpos, int *hpos,
+ ktime_t *stime, ktime_t *etime,
+ const struct drm_display_mode *mode)
{
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_crtc *intel_crtc = intel_get_crtc_for_pipe(dev_priv,
@@ -838,13 +840,12 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
int position;
int vbl_start, vbl_end, hsync_start, htotal, vtotal;
bool in_vbl = true;
- int ret = 0;
unsigned long irqflags;
if (WARN_ON(!mode->crtc_clock)) {
DRM_DEBUG_DRIVER("trying to get scanoutpos for disabled "
"pipe %c\n", pipe_name(pipe));
- return 0;
+ return false;
}
htotal = mode->crtc_htotal;
@@ -859,8 +860,6 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
vtotal /= 2;
}
- ret |= DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE;
-
/*
* Lock uncore.lock, as we will do multiple timing critical raw
* register reads, potentially with preemption disabled, so the
@@ -944,11 +943,7 @@ static int i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe,
*hpos = position - (*vpos * htotal);
}
- /* In vblank? */
- if (in_vbl)
- ret |= DRM_SCANOUTPOS_IN_VBLANK;
-
- return ret;
+ return true;
}
int intel_get_crtc_scanline(struct intel_crtc *crtc)
@@ -964,37 +959,6 @@ int intel_get_crtc_scanline(struct intel_crtc *crtc)
return position;
}
-static int i915_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
- int *max_error,
- struct timeval *vblank_time,
- unsigned flags)
-{
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_crtc *crtc;
-
- if (pipe >= INTEL_INFO(dev_priv)->num_pipes) {
- DRM_ERROR("Invalid crtc %u\n", pipe);
- return -EINVAL;
- }
-
- /* Get drm_crtc to timestamp: */
- crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
- if (crtc == NULL) {
- DRM_ERROR("Invalid crtc %u\n", pipe);
- return -EINVAL;
- }
-
- if (!crtc->base.hwmode.crtc_clock) {
- DRM_DEBUG_KMS("crtc %u is disabled\n", pipe);
- return -EBUSY;
- }
-
- /* Helper routine in DRM core does all the work: */
- return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
- vblank_time, flags,
- &crtc->base.hwmode);
-}
-
static void ironlake_rps_change_irq_handler(struct drm_i915_private *dev_priv)
{
u32 busy_up, busy_down, max_avg, min_avg;
@@ -1236,7 +1200,7 @@ out:
static void ivybridge_parity_work(struct work_struct *work)
{
struct drm_i915_private *dev_priv =
- container_of(work, struct drm_i915_private, l3_parity.error_work);
+ container_of(work, typeof(*dev_priv), l3_parity.error_work);
u32 error_status, row, bank, subbank;
char *parity_event[6];
uint32_t misccpctl;
@@ -1353,14 +1317,16 @@ static void snb_gt_irq_handler(struct drm_i915_private *dev_priv,
ivybridge_parity_error_irq_handler(dev_priv, gt_iir);
}
-static __always_inline void
+static void
gen8_cs_irq_handler(struct intel_engine_cs *engine, u32 iir, int test_shift)
{
bool tasklet = false;
if (iir & (GT_CONTEXT_SWITCH_INTERRUPT << test_shift)) {
- set_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
- tasklet = true;
+ if (port_count(&engine->execlist_port[0])) {
+ __set_bit(ENGINE_IRQ_EXECLIST, &engine->irq_posted);
+ tasklet = true;
+ }
}
if (iir & (GT_RENDER_USER_INTERRUPT << test_shift)) {
@@ -2582,7 +2548,8 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
I915_WRITE(SDEIIR, iir);
ret = IRQ_HANDLED;
- if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv))
+ if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv) ||
+ HAS_PCH_CNP(dev_priv))
spt_irq_handler(dev_priv, iir);
else
cpt_irq_handler(dev_priv, iir);
@@ -4230,11 +4197,15 @@ static void i965_irq_uninstall(struct drm_device * dev)
void intel_irq_init(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = &dev_priv->drm;
+ int i;
intel_hpd_init_work(dev_priv);
INIT_WORK(&dev_priv->rps.work, gen6_pm_rps_work);
+
INIT_WORK(&dev_priv->l3_parity.error_work, ivybridge_parity_work);
+ for (i = 0; i < MAX_L3_SLICES; ++i)
+ dev_priv->l3_parity.remap_info[i] = NULL;
if (HAS_GUC_SCHED(dev_priv))
dev_priv->pm_guc_events = GEN9_GUC_TO_HOST_INT_EVENT;
@@ -4291,7 +4262,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
dev_priv->hotplug.hpd_storm_threshold = HPD_STORM_DEFAULT_THRESHOLD;
- dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp;
+ dev->driver->get_vblank_timestamp = drm_calc_vbltimestamp_from_scanoutpos;
dev->driver->get_scanout_position = i915_get_crtc_scanoutpos;
if (IS_CHERRYVIEW(dev_priv)) {
@@ -4319,7 +4290,8 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
dev->driver->disable_vblank = gen8_disable_vblank;
if (IS_GEN9_LP(dev_priv))
dev_priv->display.hpd_irq_setup = bxt_hpd_irq_setup;
- else if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv))
+ else if (HAS_PCH_SPT(dev_priv) || HAS_PCH_KBP(dev_priv) ||
+ HAS_PCH_CNP(dev_priv))
dev_priv->display.hpd_irq_setup = spt_hpd_irq_setup;
else
dev_priv->display.hpd_irq_setup = ilk_hpd_irq_setup;
@@ -4360,6 +4332,20 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
}
/**
+ * intel_irq_fini - deinitializes IRQ support
+ * @i915: i915 device instance
+ *
+ * This function deinitializes all the IRQ support.
+ */
+void intel_irq_fini(struct drm_i915_private *i915)
+{
+ int i;
+
+ for (i = 0; i < MAX_L3_SLICES; ++i)
+ kfree(i915->l3_parity.remap_info[i]);
+}
+
+/**
* intel_irq_install - enables the hardware interrupt
* @dev_priv: i915 device instance
*
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-11 18:58:32 +0100