Merge tag 'drm-intel-next-2019-04-17' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

UAPI Changes:

- uAPI "Fixes:" patch for the upcoming kernel 5.1, included here too

  We have an Ack from the media folks (only current user) for this
  late tweak

Cross-subsystem Changes:

- ALSA: hda: Fix racy display power access (Takashi, Chris)

Driver Changes:

- DDI and MIPI-DSI clocks fixes for Icelake (Vandita)
- Fix Icelake frequency change/locking (RPS) (Mika)
- Temporarily disable ppGTT read-only bit on Icelake (Mika)
- Add missing Icelake W/As (Mika)
- Enable 12 deep CSB status FIFO on Icelake (Mika)
- Inherit more Icelake code for Elkhartlake (Bob, Jani)

- Handle catastrophic error on engine reset (Mika)
- Shortcut readiness to reset check (Mika)
- Regression fix for GEM_BUSY causing us to report a mixed uabi-class request as not busy (Chris)
- Revert back to max link rate and lane count on eDP (Jani)
- Fix pipe BPP readout for BXT/GLK DSI (Ville)
- Set DP min_bpp to 8*3 for non-RGB output formats (Ville)
- Enable coarse preemption boundaries for Gen8 (Chris)
- Do not enable FEC without DSC (Ville)
- Restore correct BXT DDI latency optim setting calculation (Ville)
- Always reset context's RING registers to avoid running workload twice during reset (Chris)
- Set GPU wedged on driver unload (Janusz)
- Consolidate two similar barries from timeline into one (Chris)
- Only reset the pinned kernel contexts on resume (Chris)
- Wakeref tracking improvements (Chris, Imre)
- Lockdep fixes for shrinker interactions (Chris)
- Bump ready tasks ahead of busywaits in prep of semaphore use (Chris)

- Huge step in splitting display code into fine grained files (Jani)
- Refactor the IRQ init/reset macros for code saving (Paulo)
- Convert IRQ initialization code to uncore MMIO access (Paulo)
- Convert workarounds code to use uncore MMIO access (Chris)
- Nuke drm_crtc_state and use intel_atomic_state instead (Manasi)
- Update SKL clock-gating WA (Radhakrishna, Ville)
- Isolate GuC reset code flow (Chris)
- Expose force_dsc_enable through debugfs (Manasi)
- Header standalone compile testing framework (Jani)
- Code cleanups to reduce driver footprint (Chris)
- PSR code fixes and cleanups (Jose)
- Sparse and kerneldoc updates (Chris)
- Suppress spurious combo PHY B warning (Vile)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418080426.GA6409@jlahtine-desk.ger.corp.intel.com

1 files changed, 12 insertions, 19 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 48ba4d61a4ae..029fd8ec1857 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -976,20 +976,16 @@ gen5_irq_disable(struct intel_engine_cs *engine)
 static void
 i9xx_irq_enable(struct intel_engine_cs *engine)
 {
-	GEM_BUG_ON(engine->id != RCS0);
-
 	engine->i915->irq_mask &= ~engine->irq_enable_mask;
-	ENGINE_WRITE(engine, RING_IMR, engine->i915->irq_mask);
-	ENGINE_POSTING_READ(engine, RING_IMR);
+	intel_uncore_write(engine->uncore, GEN2_IMR, engine->i915->irq_mask);
+	intel_uncore_posting_read_fw(engine->uncore, GEN2_IMR);
 }
 
 static void
 i9xx_irq_disable(struct intel_engine_cs *engine)
 {
-	GEM_BUG_ON(engine->id != RCS0);
-
 	engine->i915->irq_mask |= engine->irq_enable_mask;
-	ENGINE_WRITE(engine, RING_IMR, engine->i915->irq_mask);
+	intel_uncore_write(engine->uncore, GEN2_IMR, engine->i915->irq_mask);
 }
 
 static void
@@ -998,7 +994,7 @@ i8xx_irq_enable(struct intel_engine_cs *engine)
 	struct drm_i915_private *dev_priv = engine->i915;
 
 	dev_priv->irq_mask &= ~engine->irq_enable_mask;
-	I915_WRITE16(IMR, dev_priv->irq_mask);
+	I915_WRITE16(GEN2_IMR, dev_priv->irq_mask);
 	POSTING_READ16(RING_IMR(engine->mmio_base));
 }
 
@@ -1008,7 +1004,7 @@ i8xx_irq_disable(struct intel_engine_cs *engine)
 	struct drm_i915_private *dev_priv = engine->i915;
 
 	dev_priv->irq_mask |= engine->irq_enable_mask;
-	I915_WRITE16(IMR, dev_priv->irq_mask);
+	I915_WRITE16(GEN2_IMR, dev_priv->irq_mask);
 }
 
 static int
@@ -1512,9 +1508,16 @@ err_unpin:
 	return err;
 }
 
+static void ring_context_reset(struct intel_context *ce)
+{
+	intel_ring_reset(ce->ring, 0);
+}
+
 static const struct intel_context_ops ring_context_ops = {
 	.pin = ring_context_pin,
 	.unpin = ring_context_unpin,
+
+	.reset = ring_context_reset,
 	.destroy = ring_context_destroy,
 };
 
@@ -1585,16 +1588,6 @@ void intel_engine_cleanup(struct intel_engine_cs *engine)
 	kfree(engine);
 }
 
-void intel_legacy_submission_resume(struct drm_i915_private *dev_priv)
-{
-	struct intel_engine_cs *engine;
-	enum intel_engine_id id;
-
-	/* Restart from the beginning of the rings for convenience */
-	for_each_engine(engine, dev_priv, id)
-		intel_ring_reset(engine->buffer, 0);
-}
-
 static int load_pd_dir(struct i915_request *rq,
 		       const struct i915_hw_ppgtt *ppgtt)
 {