#include "intel_drv.h"
#include <linux/console.h>
+#include <linux/module.h>
#include "drm_crtc_helper.h"
-static int i915_modeset = -1;
+static int i915_modeset __read_mostly = -1;
module_param_named(modeset, i915_modeset, int, 0400);
+MODULE_PARM_DESC(modeset,
+ "Use kernel modesetting [KMS] (0=DRM_I915_KMS from .config, "
+ "1=on, -1=force vga console preference [default])");
-unsigned int i915_fbpercrtc = 0;
+unsigned int i915_fbpercrtc __always_unused = 0;
module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400);
-unsigned int i915_powersave = 1;
-module_param_named(powersave, i915_powersave, int, 0600);
-
-unsigned int i915_enable_rc6 = 0;
-module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600);
+int i915_panel_ignore_lid __read_mostly = 0;
+module_param_named(panel_ignore_lid, i915_panel_ignore_lid, int, 0600);
+MODULE_PARM_DESC(panel_ignore_lid,
+ "Override lid status (0=autodetect [default], 1=lid open, "
+ "-1=lid closed)");
-unsigned int i915_lvds_downclock = 0;
+unsigned int i915_powersave __read_mostly = 1;
+module_param_named(powersave, i915_powersave, int, 0600);
+MODULE_PARM_DESC(powersave,
+ "Enable powersavings, fbc, downclocking, etc. (default: true)");
+
+int i915_semaphores __read_mostly = -1;
+module_param_named(semaphores, i915_semaphores, int, 0600);
+MODULE_PARM_DESC(semaphores,
+ "Use semaphores for inter-ring sync (default: -1 (use per-chip defaults))");
+
+int i915_enable_rc6 __read_mostly = -1;
+module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0400);
+MODULE_PARM_DESC(i915_enable_rc6,
+ "Enable power-saving render C-state 6 (default: -1 (use per-chip default)");
+
+int i915_enable_fbc __read_mostly = -1;
+module_param_named(i915_enable_fbc, i915_enable_fbc, int, 0600);
+MODULE_PARM_DESC(i915_enable_fbc,
+ "Enable frame buffer compression for power savings "
+ "(default: -1 (use per-chip default))");
+
+unsigned int i915_lvds_downclock __read_mostly = 0;
module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
+MODULE_PARM_DESC(lvds_downclock,
+ "Use panel (LVDS/eDP) downclocking for power savings "
+ "(default: false)");
-unsigned int i915_panel_use_ssc = 1;
+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,
+ "Use Spread Spectrum Clock with panels [LVDS/eDP] "
+ "(default: auto from VBT)");
+
+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)");
-bool i915_try_reset = true;
+static bool i915_try_reset __read_mostly = true;
module_param_named(reset, i915_try_reset, bool, 0600);
+MODULE_PARM_DESC(reset, "Attempt GPU resets (default: true)");
+
+bool i915_enable_hangcheck __read_mostly = true;
+module_param_named(enable_hangcheck, i915_enable_hangcheck, bool, 0644);
+MODULE_PARM_DESC(enable_hangcheck,
+ "Periodically check GPU activity for detecting hangs. "
+ "WARNING: Disabling this can cause system wide hangs. "
+ "(default: true)");
static struct drm_driver driver;
extern int intel_agp_enabled;
#define INTEL_VGA_DEVICE(id, info) { \
- .class = PCI_CLASS_DISPLAY_VGA << 8, \
+ .class = PCI_BASE_CLASS_DISPLAY << 16, \
.class_mask = 0xff0000, \
.vendor = 0x8086, \
.device = id, \
static const struct intel_device_info intel_ironlake_m_info = {
.gen = 5, .is_mobile = 1,
.need_gfx_hws = 1, .has_hotplug = 1,
- .has_fbc = 0, /* disabled due to buggy hardware */
+ .has_fbc = 1,
.has_bsd_ring = 1,
};
.has_blt_ring = 1,
};
+static const struct intel_device_info intel_ivybridge_d_info = {
+ .is_ivybridge = 1, .gen = 7,
+ .need_gfx_hws = 1, .has_hotplug = 1,
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
+};
+
+static const struct intel_device_info intel_ivybridge_m_info = {
+ .is_ivybridge = 1, .gen = 7, .is_mobile = 1,
+ .need_gfx_hws = 1, .has_hotplug = 1,
+ .has_fbc = 0, /* FBC is not enabled on Ivybridge mobile yet */
+ .has_bsd_ring = 1,
+ .has_blt_ring = 1,
+};
+
static const struct pci_device_id pciidlist[] = { /* aka */
INTEL_VGA_DEVICE(0x3577, &intel_i830_info), /* I830_M */
INTEL_VGA_DEVICE(0x2562, &intel_845g_info), /* 845_G */
INTEL_VGA_DEVICE(0x0116, &intel_sandybridge_m_info),
INTEL_VGA_DEVICE(0x0126, &intel_sandybridge_m_info),
INTEL_VGA_DEVICE(0x010A, &intel_sandybridge_d_info),
+ INTEL_VGA_DEVICE(0x0156, &intel_ivybridge_m_info), /* GT1 mobile */
+ INTEL_VGA_DEVICE(0x0166, &intel_ivybridge_m_info), /* GT2 mobile */
+ INTEL_VGA_DEVICE(0x0152, &intel_ivybridge_d_info), /* GT1 desktop */
+ INTEL_VGA_DEVICE(0x0162, &intel_ivybridge_d_info), /* GT2 desktop */
+ INTEL_VGA_DEVICE(0x015a, &intel_ivybridge_d_info), /* GT1 server */
{0, 0, 0}
};
#endif
#define INTEL_PCH_DEVICE_ID_MASK 0xff00
+#define INTEL_PCH_IBX_DEVICE_ID_TYPE 0x3b00
#define INTEL_PCH_CPT_DEVICE_ID_TYPE 0x1c00
+#define INTEL_PCH_PPT_DEVICE_ID_TYPE 0x1e00
-void intel_detect_pch (struct drm_device *dev)
+void intel_detect_pch(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct pci_dev *pch;
int id;
id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
- if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
+ if (id == INTEL_PCH_IBX_DEVICE_ID_TYPE) {
+ dev_priv->pch_type = PCH_IBX;
+ DRM_DEBUG_KMS("Found Ibex Peak PCH\n");
+ } else if (id == INTEL_PCH_CPT_DEVICE_ID_TYPE) {
dev_priv->pch_type = PCH_CPT;
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;
+ DRM_DEBUG_KMS("Found PatherPoint PCH\n");
}
}
pci_dev_put(pch);
udelay(10);
}
+void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
+{
+ int count;
+
+ count = 0;
+ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1))
+ udelay(10);
+
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 1);
+ POSTING_READ(FORCEWAKE_MT);
+
+ count = 0;
+ while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_MT_ACK) & 1) == 0)
+ udelay(10);
+}
+
+/*
+ * Generally this is called implicitly by the register read function. However,
+ * if some sequence requires the GT to not power down then this function should
+ * be called at the beginning of the sequence followed by a call to
+ * gen6_gt_force_wake_put() at the end of the sequence.
+ */
+void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
+{
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags);
+ if (dev_priv->forcewake_count++ == 0)
+ dev_priv->display.force_wake_get(dev_priv);
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags);
+}
+
void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
{
I915_WRITE_NOTRACE(FORCEWAKE, 0);
POSTING_READ(FORCEWAKE);
}
+void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv)
+{
+ I915_WRITE_NOTRACE(FORCEWAKE_MT, (1<<16) | 0);
+ POSTING_READ(FORCEWAKE_MT);
+}
+
+/*
+ * see gen6_gt_force_wake_get()
+ */
+void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv)
+{
+ unsigned long irqflags;
+
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags);
+ if (--dev_priv->forcewake_count == 0)
+ dev_priv->display.force_wake_put(dev_priv);
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags);
+}
+
void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
{
- int loop = 500;
- u32 fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
- while (fifo < 20 && loop--) {
- udelay(10);
- fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+ if (dev_priv->gt_fifo_count < GT_FIFO_NUM_RESERVED_ENTRIES) {
+ int loop = 500;
+ u32 fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+ while (fifo <= GT_FIFO_NUM_RESERVED_ENTRIES && loop--) {
+ udelay(10);
+ fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES);
+ }
+ WARN_ON(loop < 0 && fifo <= GT_FIFO_NUM_RESERVED_ENTRIES);
+ dev_priv->gt_fifo_count = fifo;
}
+ dev_priv->gt_fifo_count--;
}
static int i915_drm_freeze(struct drm_device *dev)
/* Modeset on resume, not lid events */
dev_priv->modeset_on_lid = 0;
+ console_lock();
+ intel_fbdev_set_suspend(dev, 1);
+ console_unlock();
+
return 0;
}
error = i915_gem_init_ringbuffer(dev);
mutex_unlock(&dev->struct_mutex);
+ if (HAS_PCH_SPLIT(dev))
+ ironlake_init_pch_refclk(dev);
+
drm_mode_config_reset(dev);
drm_irq_install(dev);
/* Resume the modeset for every activated CRTC */
+ 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);
dev_priv->modeset_on_lid = 0;
+ console_lock();
+ intel_fbdev_set_suspend(dev, 0);
+ console_unlock();
return error;
}
* need to
*/
bool need_display = true;
+ unsigned long irqflags;
int ret;
if (!i915_try_reset)
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);
+ /* If reset with a user forcewake, try to restore */
+ spin_lock_irqsave(&dev_priv->gt_lock, irqflags);
+ if (dev_priv->forcewake_count)
+ dev_priv->display.force_wake_get(dev_priv);
+ spin_unlock_irqrestore(&dev_priv->gt_lock, irqflags);
break;
case 5:
ret = ironlake_do_reset(dev, flags);
}
static const struct dev_pm_ops i915_pm_ops = {
- .suspend = i915_pm_suspend,
- .resume = i915_pm_resume,
- .freeze = i915_pm_freeze,
- .thaw = i915_pm_thaw,
- .poweroff = i915_pm_poweroff,
- .restore = i915_pm_resume,
+ .suspend = i915_pm_suspend,
+ .resume = i915_pm_resume,
+ .freeze = i915_pm_freeze,
+ .thaw = i915_pm_thaw,
+ .poweroff = i915_pm_poweroff,
+ .restore = i915_pm_resume,
};
static struct vm_operations_struct i915_gem_vm_ops = {
};
static struct drm_driver driver = {
- /* don't use mtrr's here, the Xserver or user space app should
- * deal with them for intel hardware.
+ /* Don't use MTRRs here; the Xserver or userspace app should
+ * deal with them for Intel hardware.
*/
.driver_features =
DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
.resume = i915_resume,
.device_is_agp = i915_driver_device_is_agp,
- .enable_vblank = i915_enable_vblank,
- .disable_vblank = i915_disable_vblank,
- .get_vblank_timestamp = i915_get_vblank_timestamp,
- .get_scanout_position = i915_get_crtc_scanoutpos,
- .irq_preinstall = i915_driver_irq_preinstall,
- .irq_postinstall = i915_driver_irq_postinstall,
- .irq_uninstall = i915_driver_irq_uninstall,
- .irq_handler = i915_driver_irq_handler,
.reclaim_buffers = drm_core_reclaim_buffers,
.master_create = i915_master_create,
.master_destroy = i915_master_destroy,
.gem_init_object = i915_gem_init_object,
.gem_free_object = i915_gem_free_object,
.gem_vm_ops = &i915_gem_vm_ops,
+ .dumb_create = i915_gem_dumb_create,
+ .dumb_map_offset = i915_gem_mmap_gtt,
+ .dumb_destroy = i915_gem_dumb_destroy,
.ioctls = i915_ioctls,
.fops = {
.owner = THIS_MODULE,
.llseek = noop_llseek,
},
- .pci_driver = {
- .name = DRIVER_NAME,
- .id_table = pciidlist,
- .probe = i915_pci_probe,
- .remove = i915_pci_remove,
- .driver.pm = &i915_pm_ops,
- },
-
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.patchlevel = DRIVER_PATCHLEVEL,
};
+static struct pci_driver i915_pci_driver = {
+ .name = DRIVER_NAME,
+ .id_table = pciidlist,
+ .probe = i915_pci_probe,
+ .remove = i915_pci_remove,
+ .driver.pm = &i915_pm_ops,
+};
+
static int __init i915_init(void)
{
if (!intel_agp_enabled) {
if (!(driver.driver_features & DRIVER_MODESET))
driver.get_vblank_timestamp = NULL;
- return drm_init(&driver);
+ return drm_pci_init(&driver, &i915_pci_driver);
}
static void __exit i915_exit(void)
{
- drm_exit(&driver);
+ drm_pci_exit(&driver, &i915_pci_driver);
}
module_init(i915_init);
MODULE_AUTHOR(DRIVER_AUTHOR);
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) && \
+ ((reg) != ECOBUS))
+
+#define __i915_read(x, y) \
+u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \
+ u##x val = 0; \
+ if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \
+ gen6_gt_force_wake_get(dev_priv); \
+ val = read##y(dev_priv->regs + reg); \
+ gen6_gt_force_wake_put(dev_priv); \
+ } else { \
+ val = read##y(dev_priv->regs + reg); \
+ } \
+ trace_i915_reg_rw(false, reg, val, sizeof(val)); \
+ return val; \
+}
+
+__i915_read(8, b)
+__i915_read(16, w)
+__i915_read(32, l)
+__i915_read(64, q)
+#undef __i915_read
+
+#define __i915_write(x, y) \
+void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val) { \
+ trace_i915_reg_rw(true, reg, val, sizeof(val)); \
+ if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \
+ __gen6_gt_wait_for_fifo(dev_priv); \
+ } \
+ write##y(val, dev_priv->regs + reg); \
+}
+__i915_write(8, b)
+__i915_write(16, w)
+__i915_write(32, l)
+__i915_write(64, q)
+#undef __i915_write
projects / linux-flexiantxendom0.git / blobdiff