diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reset.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_reset.c | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/i915_reset.c b/drivers/gpu/drm/i915/i915_reset.c index fb86d5ca5d8b..2f25ed702ba0 100644 --- a/drivers/gpu/drm/i915/i915_reset.c +++ b/drivers/gpu/drm/i915/i915_reset.c @@ -245,10 +245,12 @@ static int ironlake_do_reset(struct drm_i915_private *dev_priv, unsigned int engine_mask, unsigned int retry) { + struct intel_uncore *uncore = &dev_priv->uncore; int ret; - I915_WRITE_FW(ILK_GDSR, ILK_GRDOM_RENDER | ILK_GRDOM_RESET_ENABLE); - ret = __intel_wait_for_register_fw(dev_priv, ILK_GDSR, + intel_uncore_write_fw(uncore, ILK_GDSR, + ILK_GRDOM_RENDER | ILK_GRDOM_RESET_ENABLE); + ret = __intel_wait_for_register_fw(uncore, ILK_GDSR, ILK_GRDOM_RESET_ENABLE, 0, 5000, 0, NULL); @@ -257,8 +259,9 @@ static int ironlake_do_reset(struct drm_i915_private *dev_priv, goto out; } - I915_WRITE_FW(ILK_GDSR, ILK_GRDOM_MEDIA | ILK_GRDOM_RESET_ENABLE); - ret = __intel_wait_for_register_fw(dev_priv, ILK_GDSR, + intel_uncore_write_fw(uncore, ILK_GDSR, + ILK_GRDOM_MEDIA | ILK_GRDOM_RESET_ENABLE); + ret = __intel_wait_for_register_fw(uncore, ILK_GDSR, ILK_GRDOM_RESET_ENABLE, 0, 5000, 0, NULL); @@ -268,8 +271,8 @@ static int ironlake_do_reset(struct drm_i915_private *dev_priv, } out: - I915_WRITE_FW(ILK_GDSR, 0); - POSTING_READ_FW(ILK_GDSR); + intel_uncore_write_fw(uncore, ILK_GDSR, 0); + intel_uncore_posting_read_fw(uncore, ILK_GDSR); return ret; } @@ -277,6 +280,7 @@ out: static int gen6_hw_domain_reset(struct drm_i915_private *dev_priv, u32 hw_domain_mask) { + struct intel_uncore *uncore = &dev_priv->uncore; int err; /* @@ -284,10 +288,10 @@ static int gen6_hw_domain_reset(struct drm_i915_private *dev_priv, * for fifo space for the write or forcewake the chip for * the read */ - I915_WRITE_FW(GEN6_GDRST, hw_domain_mask); + intel_uncore_write_fw(uncore, GEN6_GDRST, hw_domain_mask); /* Wait for the device to ack the reset requests */ - err = __intel_wait_for_register_fw(dev_priv, + err = __intel_wait_for_register_fw(uncore, GEN6_GDRST, hw_domain_mask, 0, 500, 0, NULL); @@ -330,6 +334,7 @@ static int gen6_reset_engines(struct drm_i915_private *i915, static u32 gen11_lock_sfc(struct drm_i915_private *dev_priv, struct intel_engine_cs *engine) { + struct intel_uncore *uncore = &dev_priv->uncore; u8 vdbox_sfc_access = RUNTIME_INFO(dev_priv)->vdbox_sfc_access; i915_reg_t sfc_forced_lock, sfc_forced_lock_ack; u32 sfc_forced_lock_bit, sfc_forced_lock_ack_bit; @@ -377,10 +382,9 @@ static u32 gen11_lock_sfc(struct drm_i915_private *dev_priv, * ends up being locked to the engine we want to reset, we have to reset * it as well (we will unlock it once the reset sequence is completed). */ - I915_WRITE_FW(sfc_forced_lock, - I915_READ_FW(sfc_forced_lock) | sfc_forced_lock_bit); + intel_uncore_rmw_or_fw(uncore, sfc_forced_lock, sfc_forced_lock_bit); - if (__intel_wait_for_register_fw(dev_priv, + if (__intel_wait_for_register_fw(uncore, sfc_forced_lock_ack, sfc_forced_lock_ack_bit, sfc_forced_lock_ack_bit, @@ -389,7 +393,7 @@ static u32 gen11_lock_sfc(struct drm_i915_private *dev_priv, return 0; } - if (I915_READ_FW(sfc_usage) & sfc_usage_bit) + if (intel_uncore_read_fw(uncore, sfc_usage) & sfc_usage_bit) return sfc_reset_bit; return 0; @@ -465,13 +469,13 @@ static int gen11_reset_engines(struct drm_i915_private *i915, static int gen8_engine_reset_prepare(struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = engine->i915; + struct intel_uncore *uncore = &engine->i915->uncore; int ret; - I915_WRITE_FW(RING_RESET_CTL(engine->mmio_base), - _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET)); + intel_uncore_write_fw(uncore, RING_RESET_CTL(engine->mmio_base), + _MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET)); - ret = __intel_wait_for_register_fw(dev_priv, + ret = __intel_wait_for_register_fw(uncore, RING_RESET_CTL(engine->mmio_base), RESET_CTL_READY_TO_RESET, RESET_CTL_READY_TO_RESET, @@ -569,7 +573,7 @@ int intel_gpu_reset(struct drm_i915_private *i915, unsigned int engine_mask) * If the power well sleeps during the reset, the reset * request may be dropped and never completes (causing -EIO). */ - intel_uncore_forcewake_get(i915, FORCEWAKE_ALL); + intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL); for (retry = 0; ret == -ETIMEDOUT && retry < retries; retry++) { /* * We stop engines, otherwise we might get failed reset and a @@ -593,7 +597,7 @@ int intel_gpu_reset(struct drm_i915_private *i915, unsigned int engine_mask) ret = reset(i915, engine_mask, retry); preempt_enable(); } - intel_uncore_forcewake_put(i915, FORCEWAKE_ALL); + intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL); return ret; } @@ -622,9 +626,9 @@ int intel_reset_guc(struct drm_i915_private *i915) GEM_BUG_ON(!HAS_GUC(i915)); - intel_uncore_forcewake_get(i915, FORCEWAKE_ALL); + intel_uncore_forcewake_get(&i915->uncore, FORCEWAKE_ALL); ret = gen6_hw_domain_reset(i915, guc_domain); - intel_uncore_forcewake_put(i915, FORCEWAKE_ALL); + intel_uncore_forcewake_put(&i915->uncore, FORCEWAKE_ALL); return ret; } @@ -642,7 +646,7 @@ static void reset_prepare_engine(struct intel_engine_cs *engine) * written to the powercontext is undefined and so we may lose * GPU state upon resume, i.e. fail to restart after a reset. */ - intel_uncore_forcewake_get(engine->i915, FORCEWAKE_ALL); + intel_uncore_forcewake_get(&engine->i915->uncore, FORCEWAKE_ALL); engine->reset.prepare(engine); } @@ -713,7 +717,7 @@ static int gt_reset(struct drm_i915_private *i915, unsigned int stalled_mask) static void reset_finish_engine(struct intel_engine_cs *engine) { engine->reset.finish(engine); - intel_uncore_forcewake_put(engine->i915, FORCEWAKE_ALL); + intel_uncore_forcewake_put(&engine->i915->uncore, FORCEWAKE_ALL); } struct i915_gpu_restart { @@ -1169,19 +1173,24 @@ static void i915_reset_device(struct drm_i915_private *i915, kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event); } +static void clear_register(struct drm_i915_private *dev_priv, i915_reg_t reg) +{ + I915_WRITE(reg, I915_READ(reg)); +} + void i915_clear_error_registers(struct drm_i915_private *dev_priv) { u32 eir; if (!IS_GEN(dev_priv, 2)) - I915_WRITE(PGTBL_ER, I915_READ(PGTBL_ER)); + clear_register(dev_priv, PGTBL_ER); if (INTEL_GEN(dev_priv) < 4) - I915_WRITE(IPEIR, I915_READ(IPEIR)); + clear_register(dev_priv, IPEIR(RENDER_RING_BASE)); else - I915_WRITE(IPEIR_I965, I915_READ(IPEIR_I965)); + clear_register(dev_priv, IPEIR_I965); - I915_WRITE(EIR, I915_READ(EIR)); + clear_register(dev_priv, EIR); eir = I915_READ(EIR); if (eir) { /* |