"Use panel (LVDS/eDP) downclocking for power savings "
"(default: false)");
+int i915_lvds_channel_mode __read_mostly;
+module_param_named(lvds_channel_mode, i915_lvds_channel_mode, int, 0600);
+MODULE_PARM_DESC(lvds_channel_mode,
+ "Specify LVDS channel mode "
+ "(0=probe BIOS [default], 1=single-channel, 2=dual-channel)");
+
int i915_panel_use_ssc __read_mostly = -1;
module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
MODULE_PARM_DESC(lvds_use_ssc,
int i915_vbt_sdvo_panel_type __read_mostly = -1;
module_param_named(vbt_sdvo_panel_type, i915_vbt_sdvo_panel_type, int, 0600);
MODULE_PARM_DESC(vbt_sdvo_panel_type,
- "Override selection of SDVO panel mode in the VBT "
- "(default: auto)");
+ "Override/Ignore selection of SDVO panel mode in the VBT "
+ "(-2=ignore, -1=auto [default], index in VBT BIOS table)");
static bool i915_try_reset __read_mostly = true;
module_param_named(reset, i915_try_reset, bool, 0600);
.gen = 5,
.need_gfx_hws = 1, .has_hotplug = 1,
.has_bsd_ring = 1,
+ .has_pch_split = 1,
};
static const struct intel_device_info intel_ironlake_m_info = {
.need_gfx_hws = 1, .has_hotplug = 1,
.has_fbc = 1,
.has_bsd_ring = 1,
+ .has_pch_split = 1,
};
static const struct intel_device_info intel_sandybridge_d_info = {
.has_bsd_ring = 1,
.has_blt_ring = 1,
.has_llc = 1,
+ .has_pch_split = 1,
};
static const struct intel_device_info intel_sandybridge_m_info = {
.has_bsd_ring = 1,
.has_blt_ring = 1,
.has_llc = 1,
+ .has_pch_split = 1,
};
static const struct intel_device_info intel_ivybridge_d_info = {
.has_bsd_ring = 1,
.has_blt_ring = 1,
.has_llc = 1,
+ .has_pch_split = 1,
};
static const struct intel_device_info intel_ivybridge_m_info = {
.has_bsd_ring = 1,
.has_blt_ring = 1,
.has_llc = 1,
+ .has_pch_split = 1,
+};
+
+static const struct intel_device_info intel_valleyview_m_info = {
+ .gen = 7, .is_mobile = 1,
+ .need_gfx_hws = 1, .has_hotplug = 1,
+ .has_fbc = 0,
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
+ .is_valleyview = 1,
+};
+
+static const struct intel_device_info intel_valleyview_d_info = {
+ .gen = 7,
+ .need_gfx_hws = 1, .has_hotplug = 1,
+ .has_fbc = 0,
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
+ .is_valleyview = 1,
+};
+
+static const struct intel_device_info intel_haswell_d_info = {
+ .is_haswell = 1, .gen = 7,
+ .need_gfx_hws = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
+ .has_llc = 1,
+ .has_pch_split = 1,
+};
+
+static const struct intel_device_info intel_haswell_m_info = {
+ .is_haswell = 1, .gen = 7, .is_mobile = 1,
+ .need_gfx_hws = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
+ .has_llc = 1,
+ .has_pch_split = 1,
};
static const struct pci_device_id pciidlist[] = { /* aka */
INTEL_VGA_DEVICE(0x0162, &intel_ivybridge_d_info), /* GT2 desktop */
INTEL_VGA_DEVICE(0x015a, &intel_ivybridge_d_info), /* GT1 server */
INTEL_VGA_DEVICE(0x016a, &intel_ivybridge_d_info), /* GT2 server */
+ INTEL_VGA_DEVICE(0x0402, &intel_haswell_d_info), /* GT1 desktop */
+ INTEL_VGA_DEVICE(0x0412, &intel_haswell_d_info), /* GT2 desktop */
+ INTEL_VGA_DEVICE(0x040a, &intel_haswell_d_info), /* GT1 server */
+ INTEL_VGA_DEVICE(0x041a, &intel_haswell_d_info), /* GT2 server */
+ INTEL_VGA_DEVICE(0x0406, &intel_haswell_m_info), /* GT1 mobile */
+ INTEL_VGA_DEVICE(0x0416, &intel_haswell_m_info), /* GT2 mobile */
+ INTEL_VGA_DEVICE(0x0c16, &intel_haswell_d_info), /* SDV */
{0, 0, 0}
};
#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
+#define INTEL_PCH_LPT_DEVICE_ID_TYPE 0x8c00
void intel_detect_pch(struct drm_device *dev)
{
if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_IBX;
+ dev_priv->num_pch_pll = 2;
DRM_DEBUG_KMS("Found Ibex Peak PCH\n");
} else if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_CPT;
+ dev_priv->num_pch_pll = 2;
DRM_DEBUG_KMS("Found CougarPoint PCH\n");
} else if (id == INTEL_PCH_PPT_DEVICE_ID_TYPE) {
/* PantherPoint is CPT compatible */
dev_priv->pch_type = PCH_CPT;
+ dev_priv->num_pch_pll = 2;
DRM_DEBUG_KMS("Found PatherPoint PCH\n");
+ } else if (id == INTEL_PCH_LPT_DEVICE_ID_TYPE) {
+ dev_priv->pch_type = PCH_LPT;
+ dev_priv->num_pch_pll = 0;
+ DRM_DEBUG_KMS("Found LynxPoint PCH\n");
}
+ BUG_ON(dev_priv->num_pch_pll > I915_NUM_PLLS);
}
pci_dev_put(pch);
}
}
+bool i915_semaphore_is_enabled(struct drm_device *dev)
+{
+ if (INTEL_INFO(dev)->gen < 6)
+ return 0;
+
+ if (i915_semaphores >= 0)
+ return i915_semaphores;
+
+#ifdef CONFIG_INTEL_IOMMU
+ /* Enable semaphores on SNB when IO remapping is off */
+ if (INTEL_INFO(dev)->gen == 6 && intel_iommu_gfx_mapped)
+ return false;
+#endif
+
+ return 1;
+}
+
void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
{
int count;
while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1))
udelay(10);
- I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 1);
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(1));
POSTING_READ(FORCEWAKE_MT);
count = 0;
void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
{
- I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 0);
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(1));
/* The below doubles as a POSTING_READ */
gen6_gt_check_fifodbg(dev_priv);
}
return ret;
}
+void vlv_force_wake_get(struct drm_i915_private *dev_priv)
+{
+ int count;
+
+ count = 0;
+
+ /* Already awake? */
+ if ((I915_READ(0x130094) & 0xa1) == 0xa1)
+ return;
+
+ I915_WRITE_NOTRACE(FORCEWAKE_VLV, 0xffffffff);
+ POSTING_READ(FORCEWAKE_VLV);
+
+ count = 0;
+ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1) == 0)
+ udelay(10);
+}
+
+void vlv_force_wake_put(struct drm_i915_private *dev_priv)
+{
+ I915_WRITE_NOTRACE(FORCEWAKE_VLV, 0xffff0000);
+ /* FIXME: confirm VLV behavior with Punit folks */
+ POSTING_READ(FORCEWAKE_VLV);
+}
+
static int i915_drm_freeze(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
/* KMS EnterVT equivalent */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ if (HAS_PCH_SPLIT(dev))
+ ironlake_init_pch_refclk(dev);
+
mutex_lock(&dev->struct_mutex);
dev_priv->mm.suspended = 0;
error = i915_gem_init_hw(dev);
mutex_unlock(&dev->struct_mutex);
- if (HAS_PCH_SPLIT(dev))
- ironlake_init_pch_refclk(dev);
-
+ intel_modeset_init_hw(dev);
drm_mode_config_reset(dev);
drm_irq_install(dev);
mutex_lock(&dev->mode_config.mutex);
drm_helper_resume_force_mode(dev);
mutex_unlock(&dev->mode_config.mutex);
-
- if (IS_IRONLAKE_M(dev))
- ironlake_enable_rc6(dev);
}
intel_opregion_init(dev);
return 0;
}
-static int i8xx_do_reset(struct drm_device *dev, u8 flags)
+static int i8xx_do_reset(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
{
u8 gdrst;
pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
- return gdrst & 0x1;
+ return (gdrst & GRDOM_RESET_ENABLE) == 0;
}
-static int i965_do_reset(struct drm_device *dev, u8 flags)
+static int i965_do_reset(struct drm_device *dev)
{
+ int ret;
u8 gdrst;
/*
* triggers the reset; when done, the hardware will clear it.
*/
pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
- pci_write_config_byte(dev->pdev, I965_GDRST, gdrst | flags | 0x1);
+ pci_write_config_byte(dev->pdev, I965_GDRST,
+ gdrst | GRDOM_RENDER |
+ GRDOM_RESET_ENABLE);
+ ret = wait_for(i965_reset_complete(dev), 500);
+ if (ret)
+ return ret;
+
+ /* We can't reset render&media without also resetting display ... */
+ pci_read_config_byte(dev->pdev, I965_GDRST, &gdrst);
+ pci_write_config_byte(dev->pdev, I965_GDRST,
+ gdrst | GRDOM_MEDIA |
+ GRDOM_RESET_ENABLE);
return wait_for(i965_reset_complete(dev), 500);
}
-static int ironlake_do_reset(struct drm_device *dev, u8 flags)
+static int ironlake_do_reset(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR);
- I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR, gdrst | flags | 0x1);
+ u32 gdrst;
+ int ret;
+
+ gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR);
+ I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR,
+ gdrst | GRDOM_RENDER | GRDOM_RESET_ENABLE);
+ ret = wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500);
+ if (ret)
+ return ret;
+
+ /* We can't reset render&media without also resetting display ... */
+ gdrst = I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR);
+ I915_WRITE(MCHBAR_MIRROR_BASE + ILK_GDSR,
+ gdrst | GRDOM_MEDIA | GRDOM_RESET_ENABLE);
return wait_for(I915_READ(MCHBAR_MIRROR_BASE + ILK_GDSR) & 0x1, 500);
}
-static int gen6_do_reset(struct drm_device *dev, u8 flags)
+static int gen6_do_reset(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
return ret;
}
+int intel_gpu_reset(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret = -ENODEV;
+
+ switch (INTEL_INFO(dev)->gen) {
+ case 7:
+ case 6:
+ ret = gen6_do_reset(dev);
+ break;
+ case 5:
+ ret = ironlake_do_reset(dev);
+ break;
+ case 4:
+ ret = i965_do_reset(dev);
+ break;
+ case 2:
+ ret = i8xx_do_reset(dev);
+ break;
+ }
+
+ /* Also reset the gpu hangman. */
+ if (dev_priv->stop_rings) {
+ DRM_DEBUG("Simulated gpu hang, resetting stop_rings\n");
+ dev_priv->stop_rings = 0;
+ if (ret == -ENODEV) {
+ DRM_ERROR("Reset not implemented, but ignoring "
+ "error for simulated gpu hangs\n");
+ ret = 0;
+ }
+ }
+
+ return ret;
+}
+
/**
* i915_reset - reset chip after a hang
* @dev: drm device to reset
- * @flags: reset domains
*
* Reset the chip. Useful if a hang is detected. Returns zero on successful
* reset or otherwise an error code.
* - re-init interrupt state
* - re-init display
*/
-int i915_reset(struct drm_device *dev, u8 flags)
+int i915_reset(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- /*
- * We really should only reset the display subsystem if we actually
- * need to
- */
- bool need_display = true;
int ret;
if (!i915_try_reset)
i915_gem_reset(dev);
ret = -ENODEV;
- if (get_seconds() - dev_priv->last_gpu_reset < 5) {
+ if (get_seconds() - dev_priv->last_gpu_reset < 5)
DRM_ERROR("GPU hanging too fast, declaring wedged!\n");
- } else switch (INTEL_INFO(dev)->gen) {
- case 7:
- case 6:
- ret = gen6_do_reset(dev, flags);
- break;
- case 5:
- ret = ironlake_do_reset(dev, flags);
- break;
- case 4:
- ret = i965_do_reset(dev, flags);
- break;
- case 2:
- ret = i8xx_do_reset(dev, flags);
- break;
- }
+ else
+ ret = intel_gpu_reset(dev);
+
dev_priv->last_gpu_reset = get_seconds();
if (ret) {
DRM_ERROR("Failed to reset chip.\n");
*/
if (drm_core_check_feature(dev, DRIVER_MODESET) ||
!dev_priv->mm.suspended) {
+ struct intel_ring_buffer *ring;
+ int i;
+
dev_priv->mm.suspended = 0;
i915_gem_init_swizzling(dev);
- dev_priv->ring[RCS].init(&dev_priv->ring[RCS]);
- if (HAS_BSD(dev))
- dev_priv->ring[VCS].init(&dev_priv->ring[VCS]);
- if (HAS_BLT(dev))
- dev_priv->ring[BCS].init(&dev_priv->ring[BCS]);
+ for_each_ring(ring, dev_priv, i)
+ ring->init(ring);
+ i915_gem_context_init(dev);
i915_gem_init_ppgtt(dev);
mutex_unlock(&dev->struct_mutex);
- drm_irq_uninstall(dev);
- drm_mode_config_reset(dev);
- drm_irq_install(dev);
- mutex_lock(&dev->struct_mutex);
- }
- mutex_unlock(&dev->struct_mutex);
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ intel_modeset_init_hw(dev);
- /*
- * Perform a full modeset as on later generations, e.g. Ironlake, we may
- * need to retrain the display link and cannot just restore the register
- * values.
- */
- if (need_display) {
- mutex_lock(&dev->mode_config.mutex);
- drm_helper_resume_force_mode(dev);
- mutex_unlock(&dev->mode_config.mutex);
+ drm_irq_uninstall(dev);
+ drm_irq_install(dev);
+ } else {
+ mutex_unlock(&dev->struct_mutex);
}
return 0;
.restore = i915_pm_resume,
};
-static struct vm_operations_struct i915_gem_vm_ops = {
+static const struct vm_operations_struct i915_gem_vm_ops = {
.fault = i915_gem_fault,
.open = drm_gem_vm_open,
.close = drm_gem_vm_close,
*/
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
- DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
+ DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM | DRIVER_PRIME,
.load = i915_driver_load,
.unload = i915_driver_unload,
.open = i915_driver_open,
.gem_init_object = i915_gem_init_object,
.gem_free_object = i915_gem_free_object,
.gem_vm_ops = &i915_gem_vm_ops,
+
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .gem_prime_export = i915_gem_prime_export,
+ .gem_prime_import = i915_gem_prime_import,
+
.dumb_create = i915_gem_dumb_create,
.dumb_map_offset = i915_gem_mmap_gtt,
.dumb_destroy = i915_gem_dumb_destroy,
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
+/* We give fast paths for the really cool registers */
+#define NEEDS_FORCE_WAKE(dev_priv, reg) \
+ (((dev_priv)->info->gen >= 6) && \
+ ((reg) < 0x40000) && \
+ ((reg) != FORCEWAKE)) && \
+ (!IS_VALLEYVIEW((dev_priv)->dev))
+
#define __i915_read(x, y) \
u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
u##x val = 0; \
projects / ~andy / linux / blobdiff