From d2d551c06f81775baae3afb69fae3252271190f9 Mon Sep 17 00:00:00 2001 From: Daniele Ceraolo Spurio Date: Mon, 25 Mar 2019 14:49:38 -0700 Subject: [PATCH] drm/i915: intel_wait_for_register_fw to uncore The intel_uncore structure is the owner of register access, so subclass the function to it. While at it, use a local uncore var and switch to the new read/write functions where it makes sense. Signed-off-by: Daniele Ceraolo Spurio Cc: Paulo Zanoni Cc: Chris Wilson Signed-off-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20190325214940.23632-8-daniele.ceraolospurio@intel.com --- drivers/gpu/drm/i915/i915_reset.c | 36 ++++++++++++++++++--------------- drivers/gpu/drm/i915/intel_dpio_phy.c | 3 ++- drivers/gpu/drm/i915/intel_engine_cs.c | 10 ++++----- drivers/gpu/drm/i915/intel_guc.c | 11 +++++----- drivers/gpu/drm/i915/intel_huc_fw.c | 27 +++++++++++++++---------- drivers/gpu/drm/i915/intel_i2c.c | 2 +- drivers/gpu/drm/i915/intel_pm.c | 4 ++-- drivers/gpu/drm/i915/intel_ringbuffer.c | 18 ++++++++--------- drivers/gpu/drm/i915/intel_uncore.c | 11 +++++----- drivers/gpu/drm/i915/intel_uncore.h | 34 +++++++++++++++++++------------ 10 files changed, 88 insertions(+), 68 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_reset.c b/drivers/gpu/drm/i915/i915_reset.c index 0aea19c..17f802a8 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, diff --git a/drivers/gpu/drm/i915/intel_dpio_phy.c b/drivers/gpu/drm/i915/intel_dpio_phy.c index 95cb8b1..a0591b64 100644 --- a/drivers/gpu/drm/i915/intel_dpio_phy.c +++ b/drivers/gpu/drm/i915/intel_dpio_phy.c @@ -383,7 +383,8 @@ static void _bxt_ddi_phy_init(struct drm_i915_private *dev_priv, * The flag should get set in 100us according to the HW team, but * use 1ms due to occasional timeouts observed with that. */ - if (intel_wait_for_register_fw(dev_priv, BXT_PORT_CL1CM_DW0(phy), + if (intel_wait_for_register_fw(&dev_priv->uncore, + BXT_PORT_CL1CM_DW0(phy), PHY_RESERVED | PHY_POWER_GOOD, PHY_POWER_GOOD, 1)) diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index eb0fe9a..c936c6df 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -817,20 +817,20 @@ u64 intel_engine_get_last_batch_head(const struct intel_engine_cs *engine) int intel_engine_stop_cs(struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = engine->i915; + struct intel_uncore *uncore = &engine->i915->uncore; const u32 base = engine->mmio_base; const i915_reg_t mode = RING_MI_MODE(base); int err; - if (INTEL_GEN(dev_priv) < 3) + if (INTEL_GEN(engine->i915) < 3) return -ENODEV; GEM_TRACE("%s\n", engine->name); - I915_WRITE_FW(mode, _MASKED_BIT_ENABLE(STOP_RING)); + intel_uncore_write_fw(uncore, mode, _MASKED_BIT_ENABLE(STOP_RING)); err = 0; - if (__intel_wait_for_register_fw(dev_priv, + if (__intel_wait_for_register_fw(uncore, mode, MODE_IDLE, MODE_IDLE, 1000, 0, NULL)) { @@ -839,7 +839,7 @@ int intel_engine_stop_cs(struct intel_engine_cs *engine) } /* A final mmio read to let GPU writes be hopefully flushed to memory */ - POSTING_READ_FW(mode); + intel_uncore_posting_read_fw(uncore, mode); return err; } diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c index dcb88e7b..fb9af19 100644 --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/intel_guc.c @@ -398,6 +398,7 @@ int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, u32 *response_buf, u32 response_buf_size) { struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct intel_uncore *uncore = &dev_priv->uncore; u32 status; int i; int ret; @@ -414,12 +415,12 @@ int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, *action != INTEL_GUC_ACTION_DEREGISTER_COMMAND_TRANSPORT_BUFFER); mutex_lock(&guc->send_mutex); - intel_uncore_forcewake_get(&dev_priv->uncore, guc->send_regs.fw_domains); + intel_uncore_forcewake_get(uncore, guc->send_regs.fw_domains); for (i = 0; i < len; i++) - I915_WRITE(guc_send_reg(guc, i), action[i]); + intel_uncore_write(uncore, guc_send_reg(guc, i), action[i]); - POSTING_READ(guc_send_reg(guc, i - 1)); + intel_uncore_posting_read(uncore, guc_send_reg(guc, i - 1)); intel_guc_notify(guc); @@ -427,7 +428,7 @@ int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, * No GuC command should ever take longer than 10ms. * Fast commands should still complete in 10us. */ - ret = __intel_wait_for_register_fw(dev_priv, + ret = __intel_wait_for_register_fw(uncore, guc_send_reg(guc, 0), INTEL_GUC_MSG_TYPE_MASK, INTEL_GUC_MSG_TYPE_RESPONSE << @@ -454,7 +455,7 @@ int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len, ret = INTEL_GUC_MSG_TO_DATA(status); out: - intel_uncore_forcewake_put(&dev_priv->uncore, guc->send_regs.fw_domains); + intel_uncore_forcewake_put(uncore, guc->send_regs.fw_domains); mutex_unlock(&guc->send_mutex); return ret; diff --git a/drivers/gpu/drm/i915/intel_huc_fw.c b/drivers/gpu/drm/i915/intel_huc_fw.c index 92799b8..68d47c1 100644 --- a/drivers/gpu/drm/i915/intel_huc_fw.c +++ b/drivers/gpu/drm/i915/intel_huc_fw.c @@ -106,41 +106,46 @@ static int huc_fw_xfer(struct intel_uc_fw *huc_fw, struct i915_vma *vma) { struct intel_huc *huc = container_of(huc_fw, struct intel_huc, fw); struct drm_i915_private *dev_priv = huc_to_i915(huc); + struct intel_uncore *uncore = &dev_priv->uncore; unsigned long offset = 0; u32 size; int ret; GEM_BUG_ON(huc_fw->type != INTEL_UC_FW_TYPE_HUC); - intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL); /* Set the source address for the uCode */ offset = intel_guc_ggtt_offset(&dev_priv->guc, vma) + huc_fw->header_offset; - I915_WRITE(DMA_ADDR_0_LOW, lower_32_bits(offset)); - I915_WRITE(DMA_ADDR_0_HIGH, upper_32_bits(offset) & 0xFFFF); + intel_uncore_write(uncore, DMA_ADDR_0_LOW, + lower_32_bits(offset)); + intel_uncore_write(uncore, DMA_ADDR_0_HIGH, + upper_32_bits(offset) & 0xFFFF); - /* Hardware doesn't look at destination address for HuC. Set it to 0, + /* + * Hardware doesn't look at destination address for HuC. Set it to 0, * but still program the correct address space. */ - I915_WRITE(DMA_ADDR_1_LOW, 0); - I915_WRITE(DMA_ADDR_1_HIGH, DMA_ADDRESS_SPACE_WOPCM); + intel_uncore_write(uncore, DMA_ADDR_1_LOW, 0); + intel_uncore_write(uncore, DMA_ADDR_1_HIGH, DMA_ADDRESS_SPACE_WOPCM); size = huc_fw->header_size + huc_fw->ucode_size; - I915_WRITE(DMA_COPY_SIZE, size); + intel_uncore_write(uncore, DMA_COPY_SIZE, size); /* Start the DMA */ - I915_WRITE(DMA_CTRL, _MASKED_BIT_ENABLE(HUC_UKERNEL | START_DMA)); + intel_uncore_write(uncore, DMA_CTRL, + _MASKED_BIT_ENABLE(HUC_UKERNEL | START_DMA)); /* Wait for DMA to finish */ - ret = intel_wait_for_register_fw(dev_priv, DMA_CTRL, START_DMA, 0, 100); + ret = intel_wait_for_register_fw(uncore, DMA_CTRL, START_DMA, 0, 100); DRM_DEBUG_DRIVER("HuC DMA transfer wait over with ret %d\n", ret); /* Disable the bits once DMA is over */ - I915_WRITE(DMA_CTRL, _MASKED_BIT_DISABLE(HUC_UKERNEL)); + intel_uncore_write(uncore, DMA_CTRL, _MASKED_BIT_DISABLE(HUC_UKERNEL)); - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL); return ret; } diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 5a733e7..422685d 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -348,7 +348,7 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv) add_wait_queue(&dev_priv->gmbus_wait_queue, &wait); I915_WRITE_FW(GMBUS4, irq_enable); - ret = intel_wait_for_register_fw(dev_priv, + ret = intel_wait_for_register_fw(&dev_priv->uncore, GMBUS2, GMBUS_ACTIVE, 0, 10); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e5e030f..9a6eb2e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -9687,7 +9687,7 @@ int sandybridge_pcode_read(struct drm_i915_private *dev_priv, u32 mbox, u32 *val I915_WRITE_FW(GEN6_PCODE_DATA1, 0); I915_WRITE_FW(GEN6_PCODE_MAILBOX, GEN6_PCODE_READY | mbox); - if (__intel_wait_for_register_fw(dev_priv, + if (__intel_wait_for_register_fw(&dev_priv->uncore, GEN6_PCODE_MAILBOX, GEN6_PCODE_READY, 0, 500, 0, NULL)) { DRM_ERROR("timeout waiting for pcode read (from mbox %x) to finish for %ps\n", @@ -9735,7 +9735,7 @@ int sandybridge_pcode_write_timeout(struct drm_i915_private *dev_priv, I915_WRITE_FW(GEN6_PCODE_DATA1, 0); I915_WRITE_FW(GEN6_PCODE_MAILBOX, GEN6_PCODE_READY | mbox); - if (__intel_wait_for_register_fw(dev_priv, + if (__intel_wait_for_register_fw(&dev_priv->uncore, GEN6_PCODE_MAILBOX, GEN6_PCODE_READY, 0, fast_timeout_us, slow_timeout_ms, NULL)) { diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 359d6af..5103bad 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2051,23 +2051,23 @@ int intel_ring_cacheline_align(struct i915_request *rq) static void gen6_bsd_submit_request(struct i915_request *request) { - struct drm_i915_private *dev_priv = request->i915; + struct intel_uncore *uncore = &request->i915->uncore; - intel_uncore_forcewake_get(&dev_priv->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL); /* Every tail move must follow the sequence below */ /* Disable notification that the ring is IDLE. The GT * will then assume that it is busy and bring it out of rc6. */ - I915_WRITE_FW(GEN6_BSD_SLEEP_PSMI_CONTROL, - _MASKED_BIT_ENABLE(GEN6_BSD_SLEEP_MSG_DISABLE)); + intel_uncore_write_fw(uncore, GEN6_BSD_SLEEP_PSMI_CONTROL, + _MASKED_BIT_ENABLE(GEN6_BSD_SLEEP_MSG_DISABLE)); /* Clear the context id. Here be magic! */ - I915_WRITE64_FW(GEN6_BSD_RNCID, 0x0); + intel_uncore_write64_fw(uncore, GEN6_BSD_RNCID, 0x0); /* Wait for the ring not to be idle, i.e. for it to wake up. */ - if (__intel_wait_for_register_fw(dev_priv, + if (__intel_wait_for_register_fw(uncore, GEN6_BSD_SLEEP_PSMI_CONTROL, GEN6_BSD_SLEEP_INDICATOR, 0, @@ -2080,10 +2080,10 @@ static void gen6_bsd_submit_request(struct i915_request *request) /* Let the ring send IDLE messages to the GT again, * and so let it sleep to conserve power when idle. */ - I915_WRITE_FW(GEN6_BSD_SLEEP_PSMI_CONTROL, - _MASKED_BIT_DISABLE(GEN6_BSD_SLEEP_MSG_DISABLE)); + intel_uncore_write_fw(uncore, GEN6_BSD_SLEEP_PSMI_CONTROL, + _MASKED_BIT_DISABLE(GEN6_BSD_SLEEP_MSG_DISABLE)); - intel_uncore_forcewake_put(&dev_priv->uncore, FORCEWAKE_ALL); + intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL); } static int mi_flush_dw(struct i915_request *rq, u32 flags) diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 8b7ef47..83a8ae5 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1759,7 +1759,7 @@ int i915_reg_read_ioctl(struct drm_device *dev, /** * __intel_wait_for_register_fw - wait until register matches expected state - * @dev_priv: the i915 device + * @uncore: the struct intel_uncore * @reg: the register to read * @mask: mask to apply to register value * @value: expected value @@ -1783,7 +1783,7 @@ int i915_reg_read_ioctl(struct drm_device *dev, * * Returns 0 if the register matches the desired condition, or -ETIMEOUT. */ -int __intel_wait_for_register_fw(struct drm_i915_private *dev_priv, +int __intel_wait_for_register_fw(struct intel_uncore *uncore, i915_reg_t reg, u32 mask, u32 value, @@ -1792,7 +1792,7 @@ int __intel_wait_for_register_fw(struct drm_i915_private *dev_priv, u32 *out_value) { u32 uninitialized_var(reg_value); -#define done (((reg_value = I915_READ_FW(reg)) & mask) == value) +#define done (((reg_value = intel_uncore_read_fw(uncore, reg)) & mask) == value) int ret; /* Catch any overuse of this function */ @@ -1850,7 +1850,7 @@ int __intel_wait_for_register(struct drm_i915_private *dev_priv, spin_lock_irq(&uncore->lock); intel_uncore_forcewake_get__locked(uncore, fw); - ret = __intel_wait_for_register_fw(dev_priv, + ret = __intel_wait_for_register_fw(uncore, reg, mask, value, fast_timeout_us, 0, ®_value); @@ -1858,7 +1858,8 @@ int __intel_wait_for_register(struct drm_i915_private *dev_priv, spin_unlock_irq(&uncore->lock); if (ret && slow_timeout_ms) - ret = __wait_for(reg_value = I915_READ_NOTRACE(reg), + ret = __wait_for(reg_value = intel_uncore_read_notrace(uncore, + reg), (reg_value & mask) == value, slow_timeout_ms * 1000, 10, 1000); diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h index e3c2c37..7d83fbd 100644 --- a/drivers/gpu/drm/i915/intel_uncore.h +++ b/drivers/gpu/drm/i915/intel_uncore.h @@ -220,31 +220,32 @@ int __intel_wait_for_register(struct drm_i915_private *dev_priv, unsigned int fast_timeout_us, unsigned int slow_timeout_ms, u32 *out_value); -static inline -int intel_wait_for_register(struct drm_i915_private *dev_priv, - i915_reg_t reg, - u32 mask, - u32 value, - unsigned int timeout_ms) +static inline int +intel_wait_for_register(struct drm_i915_private *dev_priv, + i915_reg_t reg, + u32 mask, + u32 value, + unsigned int timeout_ms) { return __intel_wait_for_register(dev_priv, reg, mask, value, 2, timeout_ms, NULL); } -int __intel_wait_for_register_fw(struct drm_i915_private *dev_priv, + +int __intel_wait_for_register_fw(struct intel_uncore *uncore, i915_reg_t reg, u32 mask, u32 value, unsigned int fast_timeout_us, unsigned int slow_timeout_ms, u32 *out_value); -static inline -int intel_wait_for_register_fw(struct drm_i915_private *dev_priv, - i915_reg_t reg, - u32 mask, - u32 value, +static inline int +intel_wait_for_register_fw(struct intel_uncore *uncore, + i915_reg_t reg, + u32 mask, + u32 value, unsigned int timeout_ms) { - return __intel_wait_for_register_fw(dev_priv, reg, mask, value, + return __intel_wait_for_register_fw(uncore, reg, mask, value, 2, timeout_ms, NULL); } @@ -367,6 +368,13 @@ intel_uncore_read64_2x32(struct intel_uncore *uncore, #define intel_uncore_write64_fw(...) __raw_uncore_write64(__VA_ARGS__) #define intel_uncore_posting_read_fw(...) ((void)intel_uncore_read_fw(__VA_ARGS__)) +static inline void intel_uncore_rmw_or_fw(struct intel_uncore *uncore, + i915_reg_t reg, u32 or_val) +{ + intel_uncore_write_fw(uncore, reg, + intel_uncore_read_fw(uncore, reg) | or_val); +} + #define raw_reg_read(base, reg) \ readl(base + i915_mmio_reg_offset(reg)) #define raw_reg_write(base, reg, value) \ -- 2.7.4