diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 77 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_crt.c | 159 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_i2c.c | 11 |
6 files changed, 157 insertions, 107 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 80745f8..f737960 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -150,7 +150,8 @@ static const struct intel_device_info intel_ironlake_d_info = { static const struct intel_device_info intel_ironlake_m_info = { .gen = 5, .is_mobile = 1, - .need_gfx_hws = 1, .has_fbc = 1, .has_rc6 = 1, .has_hotplug = 1, + .need_gfx_hws = 1, .has_rc6 = 1, .has_hotplug = 1, + .has_fbc = 0, /* disabled due to buggy hardware */ .has_bsd_ring = 1, }; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 90414ae..409826d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1045,6 +1045,8 @@ void i915_gem_clflush_object(struct drm_gem_object *obj); int i915_gem_object_set_domain(struct drm_gem_object *obj, uint32_t read_domains, uint32_t write_domain); +int i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj, + bool interruptible); int i915_gem_init_ringbuffer(struct drm_device *dev); void i915_gem_cleanup_ringbuffer(struct drm_device *dev); int i915_gem_do_init(struct drm_device *dev, unsigned long start, diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index ef188e3..17b1cba 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -547,6 +547,19 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_object *obj_priv; int ret = 0; + if (args->size == 0) + return 0; + + if (!access_ok(VERIFY_WRITE, + (char __user *)(uintptr_t)args->data_ptr, + args->size)) + return -EFAULT; + + ret = fault_in_pages_writeable((char __user *)(uintptr_t)args->data_ptr, + args->size); + if (ret) + return -EFAULT; + ret = i915_mutex_lock_interruptible(dev); if (ret) return ret; @@ -564,23 +577,6 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data, goto out; } - if (args->size == 0) - goto out; - - if (!access_ok(VERIFY_WRITE, - (char __user *)(uintptr_t)args->data_ptr, - args->size)) { - ret = -EFAULT; - goto out; - } - - ret = fault_in_pages_writeable((char __user *)(uintptr_t)args->data_ptr, - args->size); - if (ret) { - ret = -EFAULT; - goto out; - } - ret = i915_gem_object_get_pages_or_evict(obj); if (ret) goto out; @@ -981,7 +977,20 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_pwrite *args = data; struct drm_gem_object *obj; struct drm_i915_gem_object *obj_priv; - int ret = 0; + int ret; + + if (args->size == 0) + return 0; + + if (!access_ok(VERIFY_READ, + (char __user *)(uintptr_t)args->data_ptr, + args->size)) + return -EFAULT; + + ret = fault_in_pages_readable((char __user *)(uintptr_t)args->data_ptr, + args->size); + if (ret) + return -EFAULT; ret = i915_mutex_lock_interruptible(dev); if (ret) @@ -994,30 +1003,12 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, } obj_priv = to_intel_bo(obj); - /* Bounds check destination. */ if (args->offset > obj->size || args->size > obj->size - args->offset) { ret = -EINVAL; goto out; } - if (args->size == 0) - goto out; - - if (!access_ok(VERIFY_READ, - (char __user *)(uintptr_t)args->data_ptr, - args->size)) { - ret = -EFAULT; - goto out; - } - - ret = fault_in_pages_readable((char __user *)(uintptr_t)args->data_ptr, - args->size); - if (ret) { - ret = -EFAULT; - goto out; - } - /* We can only do the GTT pwrite on untiled buffers, as otherwise * it would end up going through the fenced access, and we'll get * different detiling behavior between reading and writing. @@ -2907,6 +2898,20 @@ i915_gem_object_set_to_display_plane(struct drm_gem_object *obj, return 0; } +int +i915_gem_object_flush_gpu(struct drm_i915_gem_object *obj, + bool interruptible) +{ + if (!obj->active) + return 0; + + if (obj->base.write_domain & I915_GEM_GPU_DOMAINS) + i915_gem_flush_ring(obj->base.dev, NULL, obj->ring, + 0, obj->base.write_domain); + + return i915_gem_object_wait_rendering(&obj->base, interruptible); +} + /** * Moves a single object to the CPU read, and possibly write domain. * diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index c55c770..8df5743 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -34,6 +34,25 @@ #include "i915_drm.h" #include "i915_drv.h" +/* Here's the desired hotplug mode */ +#define ADPA_HOTPLUG_BITS (ADPA_CRT_HOTPLUG_PERIOD_128 | \ + ADPA_CRT_HOTPLUG_WARMUP_10MS | \ + ADPA_CRT_HOTPLUG_SAMPLE_4S | \ + ADPA_CRT_HOTPLUG_VOLTAGE_50 | \ + ADPA_CRT_HOTPLUG_VOLREF_325MV | \ + ADPA_CRT_HOTPLUG_ENABLE) + +struct intel_crt { + struct intel_encoder base; + bool force_hotplug_required; +}; + +static struct intel_crt *intel_attached_crt(struct drm_connector *connector) +{ + return container_of(intel_attached_encoder(connector), + struct intel_crt, base); +} + static void intel_crt_dpms(struct drm_encoder *encoder, int mode) { struct drm_device *dev = encoder->dev; @@ -129,7 +148,7 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK); } - adpa = 0; + adpa = ADPA_HOTPLUG_BITS; if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) adpa |= ADPA_HSYNC_ACTIVE_HIGH; if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) @@ -157,53 +176,44 @@ static void intel_crt_mode_set(struct drm_encoder *encoder, static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector) { struct drm_device *dev = connector->dev; + struct intel_crt *crt = intel_attached_crt(connector); struct drm_i915_private *dev_priv = dev->dev_private; - u32 adpa, temp; + u32 adpa; bool ret; - bool turn_off_dac = false; - temp = adpa = I915_READ(PCH_ADPA); + /* The first time through, trigger an explicit detection cycle */ + if (crt->force_hotplug_required) { + bool turn_off_dac = HAS_PCH_SPLIT(dev); + u32 save_adpa; - if (HAS_PCH_SPLIT(dev)) - turn_off_dac = true; - - adpa &= ~ADPA_CRT_HOTPLUG_MASK; - if (turn_off_dac) - adpa &= ~ADPA_DAC_ENABLE; - - /* disable HPD first */ - I915_WRITE(PCH_ADPA, adpa); - (void)I915_READ(PCH_ADPA); - - adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 | - ADPA_CRT_HOTPLUG_WARMUP_10MS | - ADPA_CRT_HOTPLUG_SAMPLE_4S | - ADPA_CRT_HOTPLUG_VOLTAGE_50 | /* default */ - ADPA_CRT_HOTPLUG_VOLREF_325MV | - ADPA_CRT_HOTPLUG_ENABLE | - ADPA_CRT_HOTPLUG_FORCE_TRIGGER); - - DRM_DEBUG_KMS("pch crt adpa 0x%x", adpa); - I915_WRITE(PCH_ADPA, adpa); - - if (wait_for((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0, - 1000)) - DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER"); - - if (turn_off_dac) { - /* Make sure hotplug is enabled */ - I915_WRITE(PCH_ADPA, temp | ADPA_CRT_HOTPLUG_ENABLE); - (void)I915_READ(PCH_ADPA); + crt->force_hotplug_required = 0; + + save_adpa = adpa = I915_READ(PCH_ADPA); + DRM_DEBUG_KMS("trigger hotplug detect cycle: adpa=0x%x\n", adpa); + + adpa |= ADPA_CRT_HOTPLUG_FORCE_TRIGGER; + if (turn_off_dac) + adpa &= ~ADPA_DAC_ENABLE; + + I915_WRITE(PCH_ADPA, adpa); + + if (wait_for((I915_READ(PCH_ADPA) & ADPA_CRT_HOTPLUG_FORCE_TRIGGER) == 0, + 1000)) + DRM_DEBUG_KMS("timed out waiting for FORCE_TRIGGER"); + + if (turn_off_dac) { + I915_WRITE(PCH_ADPA, save_adpa); + POSTING_READ(PCH_ADPA); + } } /* Check the status to see if both blue and green are on now */ adpa = I915_READ(PCH_ADPA); - adpa &= ADPA_CRT_HOTPLUG_MONITOR_MASK; - if ((adpa == ADPA_CRT_HOTPLUG_MONITOR_COLOR) || - (adpa == ADPA_CRT_HOTPLUG_MONITOR_MONO)) + if ((adpa & ADPA_CRT_HOTPLUG_MONITOR_MASK) != 0) ret = true; else ret = false; + DRM_DEBUG_KMS("ironlake hotplug adpa=0x%x, result %d\n", adpa, ret); return ret; } @@ -277,13 +287,12 @@ static bool intel_crt_ddc_probe(struct drm_i915_private *dev_priv, int ddc_bus) return i2c_transfer(&dev_priv->gmbus[ddc_bus].adapter, msgs, 1) == 1; } -static bool intel_crt_detect_ddc(struct drm_encoder *encoder) +static bool intel_crt_detect_ddc(struct intel_crt *crt) { - struct intel_encoder *intel_encoder = to_intel_encoder(encoder); - struct drm_i915_private *dev_priv = encoder->dev->dev_private; + struct drm_i915_private *dev_priv = crt->base.base.dev->dev_private; /* CRT should always be at 0, but check anyway */ - if (intel_encoder->type != INTEL_OUTPUT_ANALOG) + if (crt->base.type != INTEL_OUTPUT_ANALOG) return false; if (intel_crt_ddc_probe(dev_priv, dev_priv->crt_ddc_pin)) { @@ -291,7 +300,7 @@ static bool intel_crt_detect_ddc(struct drm_encoder *encoder) return true; } - if (intel_ddc_probe(intel_encoder, dev_priv->crt_ddc_pin)) { + if (intel_ddc_probe(&crt->base, dev_priv->crt_ddc_pin)) { DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n"); return true; } @@ -300,9 +309,9 @@ static bool intel_crt_detect_ddc(struct drm_encoder *encoder) } static enum drm_connector_status -intel_crt_load_detect(struct drm_crtc *crtc, struct intel_encoder *intel_encoder) +intel_crt_load_detect(struct drm_crtc *crtc, struct intel_crt *crt) { - struct drm_encoder *encoder = &intel_encoder->base; + struct drm_encoder *encoder = &crt->base.base; struct drm_device *dev = encoder->dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -434,7 +443,7 @@ static enum drm_connector_status intel_crt_detect(struct drm_connector *connector, bool force) { struct drm_device *dev = connector->dev; - struct intel_encoder *encoder = intel_attached_encoder(connector); + struct intel_crt *crt = intel_attached_crt(connector); struct drm_crtc *crtc; int dpms_mode; enum drm_connector_status status; @@ -443,28 +452,31 @@ intel_crt_detect(struct drm_connector *connector, bool force) if (intel_crt_detect_hotplug(connector)) { DRM_DEBUG_KMS("CRT detected via hotplug\n"); return connector_status_connected; - } else + } else { + DRM_DEBUG_KMS("CRT not detected via hotplug\n"); return connector_status_disconnected; + } } - if (intel_crt_detect_ddc(&encoder->base)) + if (intel_crt_detect_ddc(crt)) return connector_status_connected; if (!force) return connector->status; /* for pre-945g platforms use load detect */ - if (encoder->base.crtc && encoder->base.crtc->enabled) { - status = intel_crt_load_detect(encoder->base.crtc, encoder); + crtc = crt->base.base.crtc; + if (crtc && crtc->enabled) { + status = intel_crt_load_detect(crtc, crt); } else { - crtc = intel_get_load_detect_pipe(encoder, connector, + crtc = intel_get_load_detect_pipe(&crt->base, connector, NULL, &dpms_mode); if (crtc) { - if (intel_crt_detect_ddc(&encoder->base)) + if (intel_crt_detect_ddc(crt)) status = connector_status_connected; else - status = intel_crt_load_detect(crtc, encoder); - intel_release_load_detect_pipe(encoder, + status = intel_crt_load_detect(crtc, crt); + intel_release_load_detect_pipe(&crt->base, connector, dpms_mode); } else status = connector_status_unknown; @@ -536,17 +548,17 @@ static const struct drm_encoder_funcs intel_crt_enc_funcs = { void intel_crt_init(struct drm_device *dev) { struct drm_connector *connector; - struct intel_encoder *intel_encoder; + struct intel_crt *crt; struct intel_connector *intel_connector; struct drm_i915_private *dev_priv = dev->dev_private; - intel_encoder = kzalloc(sizeof(struct intel_encoder), GFP_KERNEL); - if (!intel_encoder) + crt = kzalloc(sizeof(struct intel_crt), GFP_KERNEL); + if (!crt) return; intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL); if (!intel_connector) { - kfree(intel_encoder); + kfree(crt); return; } @@ -554,20 +566,20 @@ void intel_crt_init(struct drm_device *dev) drm_connector_init(dev, &intel_connector->base, &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA); - drm_encoder_init(dev, &intel_encoder->base, &intel_crt_enc_funcs, + drm_encoder_init(dev, &crt->base.base, &intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC); - intel_connector_attach_encoder(intel_connector, intel_encoder); + intel_connector_attach_encoder(intel_connector, &crt->base); - intel_encoder->type = INTEL_OUTPUT_ANALOG; - intel_encoder->clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT) | - (1 << INTEL_ANALOG_CLONE_BIT) | - (1 << INTEL_SDVO_LVDS_CLONE_BIT); - intel_encoder->crtc_mask = (1 << 0) | (1 << 1); + crt->base.type = INTEL_OUTPUT_ANALOG; + crt->base.clone_mask = (1 << INTEL_SDVO_NON_TV_CLONE_BIT | + 1 << INTEL_ANALOG_CLONE_BIT | + 1 << INTEL_SDVO_LVDS_CLONE_BIT); + crt->base.crtc_mask = (1 << 0) | (1 << 1); connector->interlace_allowed = 1; connector->doublescan_allowed = 0; - drm_encoder_helper_add(&intel_encoder->base, &intel_crt_helper_funcs); + drm_encoder_helper_add(&crt->base.base, &intel_crt_helper_funcs); drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs); drm_sysfs_connector_add(connector); @@ -577,5 +589,22 @@ void intel_crt_init(struct drm_device *dev) else connector->polled = DRM_CONNECTOR_POLL_CONNECT; + /* + * Configure the automatic hotplug detection stuff + */ + crt->force_hotplug_required = 0; + if (HAS_PCH_SPLIT(dev)) { + u32 adpa; + + adpa = I915_READ(PCH_ADPA); + adpa &= ~ADPA_CRT_HOTPLUG_MASK; + adpa |= ADPA_HOTPLUG_BITS; + I915_WRITE(PCH_ADPA, adpa); + POSTING_READ(PCH_ADPA); + + DRM_DEBUG_KMS("pch crt adpa set to 0x%x\n", adpa); + crt->force_hotplug_required = 1; + } + dev_priv->hotplug_supported_mask |= CRT_HOTPLUG_INT_STATUS; } diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 48d8fd6..bee24b1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1611,6 +1611,18 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, wait_event(dev_priv->pending_flip_queue, atomic_read(&obj_priv->pending_flip) == 0); + + /* Big Hammer, we also need to ensure that any pending + * MI_WAIT_FOR_EVENT inside a user batch buffer on the + * current scanout is retired before unpinning the old + * framebuffer. + */ + ret = i915_gem_object_flush_gpu(obj_priv, false); + if (ret) { + i915_gem_object_unpin(to_intel_framebuffer(crtc->fb)->obj); + mutex_unlock(&dev->struct_mutex); + return ret; + } } ret = intel_pipe_set_base_atomic(crtc, crtc->fb, x, y, diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 2be4f72..3dba086 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -160,7 +160,7 @@ intel_gpio_create(struct drm_i915_private *dev_priv, u32 pin) }; struct intel_gpio *gpio; - if (pin < 1 || pin > 7) + if (pin >= ARRAY_SIZE(map_pin_to_reg) || !map_pin_to_reg[pin]) return NULL; gpio = kzalloc(sizeof(struct intel_gpio), GFP_KERNEL); @@ -172,7 +172,8 @@ intel_gpio_create(struct drm_i915_private *dev_priv, u32 pin) gpio->reg += PCH_GPIOA - GPIOA; gpio->dev_priv = dev_priv; - snprintf(gpio->adapter.name, I2C_NAME_SIZE, "GPIO%c", "?BACDEF?"[pin]); + snprintf(gpio->adapter.name, sizeof(gpio->adapter.name), + "i915 GPIO%c", "?BACDE?F"[pin]); gpio->adapter.owner = THIS_MODULE; gpio->adapter.algo_data = &gpio->algo; gpio->adapter.dev.parent = &dev_priv->dev->pdev->dev; @@ -349,7 +350,7 @@ int intel_setup_gmbus(struct drm_device *dev) "panel", "dpc", "dpb", - "reserved" + "reserved", "dpd", }; struct drm_i915_private *dev_priv = dev->dev_private; @@ -366,8 +367,8 @@ int intel_setup_gmbus(struct drm_device *dev) bus->adapter.owner = THIS_MODULE; bus->adapter.class = I2C_CLASS_DDC; snprintf(bus->adapter.name, - I2C_NAME_SIZE, - "gmbus %s", + sizeof(bus->adapter.name), + "i915 gmbus %s", names[i]); bus->adapter.dev.parent = &dev->pdev->dev; |