diff options
| -rw-r--r-- | drivers/gpu/drm/i915/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 14 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 73 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 113 |
7 files changed, 141 insertions, 98 deletions
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 345ca52d6e84..f6e98dd416c9 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -26,13 +26,13 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \ intel_dvo.o \ intel_ringbuffer.o \ intel_overlay.o \ + intel_opregion.o \ dvo_ch7xxx.o \ dvo_ch7017.o \ dvo_ivch.o \ dvo_tfp410.o \ dvo_sil164.o -i915-$(CONFIG_ACPI) += intel_opregion.o i915-$(CONFIG_COMPAT) += i915_ioc32.o obj-$(CONFIG_DRM_I915) += i915.o diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 5e43d7076789..16133f10ffaa 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -718,6 +718,26 @@ static int i915_gfxec(struct seq_file *m, void *unused) return 0; } +static int i915_opregion(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct intel_opregion *opregion = &dev_priv->opregion; + int ret; + + ret = mutex_lock_interruptible(&dev->struct_mutex); + if (ret) + return ret; + + if (opregion->header) + seq_write(m, opregion->header, OPREGION_SIZE); + + mutex_unlock(&dev->struct_mutex); + + return 0; +} + static int i915_wedged_open(struct inode *inode, struct file *filp) @@ -845,6 +865,7 @@ static struct drm_info_list i915_debugfs_list[] = { {"i915_gfxec", i915_gfxec, 0}, {"i915_fbc_status", i915_fbc_status, 0}, {"i915_sr_status", i915_sr_status, 0}, + {"i915_opregion", i915_opregion, 0}, }; #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index c58ec5c02919..2dae3be9ebef 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -40,6 +40,7 @@ #include <linux/pnp.h> #include <linux/vga_switcheroo.h> #include <linux/slab.h> +#include <acpi/video.h> extern int intel_max_stolen; /* from AGP driver */ @@ -2166,6 +2167,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) /* Try to make sure MCHBAR is enabled before poking at it */ intel_setup_mchbar(dev); + intel_opregion_setup(dev); i915_gem_load(dev); @@ -2221,7 +2223,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) } /* Must be done after probing outputs */ - intel_opregion_init(dev, 0); + intel_opregion_init(dev); + acpi_video_register(); setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed, (unsigned long) dev); @@ -2271,6 +2274,8 @@ int i915_driver_unload(struct drm_device *dev) dev_priv->mm.gtt_mtrr = -1; } + acpi_video_unregister(); + if (drm_core_check_feature(dev, DRIVER_MODESET)) { intel_modeset_cleanup(dev); @@ -2299,7 +2304,7 @@ int i915_driver_unload(struct drm_device *dev) if (dev_priv->regs != NULL) iounmap(dev_priv->regs); - intel_opregion_free(dev, 0); + intel_opregion_fini(dev); if (drm_core_check_feature(dev, DRIVER_MODESET)) { /* Flush any outstanding unpin_work. */ diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ba75255ec450..2879a768d65c 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -236,7 +236,7 @@ static int i915_drm_freeze(struct drm_device *dev) i915_save_state(dev); - intel_opregion_free(dev, 1); + intel_opregion_fini(dev); /* Modeset on resume, not lid events */ dev_priv->modeset_on_lid = 0; @@ -276,8 +276,7 @@ static int i915_drm_thaw(struct drm_device *dev) int error = 0; i915_restore_state(dev); - - intel_opregion_init(dev, 1); + intel_opregion_setup(dev); /* KMS EnterVT equivalent */ if (drm_core_check_feature(dev, DRIVER_MODESET)) { @@ -293,6 +292,8 @@ static int i915_drm_thaw(struct drm_device *dev) drm_helper_resume_force_mode(dev); } + intel_opregion_init(dev); + dev_priv->modeset_on_lid = 0; return error; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 980061ff5c80..f6940f1b1286 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -110,8 +110,9 @@ struct intel_opregion { struct opregion_acpi *acpi; struct opregion_swsci *swsci; struct opregion_asle *asle; - int enabled; + void *vbt; }; +#define OPREGION_SIZE (8*1024) struct intel_overlay; struct intel_overlay_error_state; @@ -1053,16 +1054,17 @@ extern int i915_restore_state(struct drm_device *dev); extern int i915_save_state(struct drm_device *dev); extern int i915_restore_state(struct drm_device *dev); -#ifdef CONFIG_ACPI /* intel_opregion.c */ -extern int intel_opregion_init(struct drm_device *dev, int resume); -extern void intel_opregion_free(struct drm_device *dev, int suspend); +extern int intel_opregion_setup(struct drm_device *dev); +#ifdef CONFIG_ACPI +extern void intel_opregion_init(struct drm_device *dev); +extern void intel_opregion_fini(struct drm_device *dev); extern void intel_opregion_asle_intr(struct drm_device *dev); extern void intel_opregion_gse_intr(struct drm_device *dev); extern void intel_opregion_enable_asle(struct drm_device *dev); #else -static inline int intel_opregion_init(struct drm_device *dev, int resume) { return 0; } -static inline void intel_opregion_free(struct drm_device *dev, int suspend) { return; } +static inline void intel_opregion_init(struct drm_device *dev) { return; } +static inline void intel_opregion_fini(struct drm_device *dev) { return; } static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; } static inline void intel_opregion_gse_intr(struct drm_device *dev) { return; } static inline void intel_opregion_enable_asle(struct drm_device *dev) { return; } diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 96f75d7f6633..8d7deca69830 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -317,7 +317,7 @@ parse_general_definitions(struct drm_i915_private *dev_priv, static void parse_sdvo_device_mapping(struct drm_i915_private *dev_priv, - struct bdb_header *bdb) + struct bdb_header *bdb) { struct sdvo_device_mapping *p_mapping; struct bdb_general_definitions *p_defs; @@ -327,7 +327,7 @@ parse_sdvo_device_mapping(struct drm_i915_private *dev_priv, p_defs = find_section(bdb, BDB_GENERAL_DEFINITIONS); if (!p_defs) { - DRM_DEBUG_KMS("No general definition block is found\n"); + DRM_DEBUG_KMS("No general definition block is found, unable to construct sdvo mapping.\n"); return; } /* judge whether the size of child device meets the requirements. @@ -460,7 +460,7 @@ parse_device_mapping(struct drm_i915_private *dev_priv, p_defs = find_section(bdb, BDB_GENERAL_DEFINITIONS); if (!p_defs) { - DRM_DEBUG_KMS("No general definition block is found\n"); + DRM_DEBUG_KMS("No general definition block is found, no devices defined.\n"); return; } /* judge whether the size of child device meets the requirements. @@ -513,6 +513,7 @@ parse_device_mapping(struct drm_i915_private *dev_priv, } return; } + /** * intel_init_bios - initialize VBIOS settings & find VBT * @dev: DRM device @@ -520,11 +521,6 @@ parse_device_mapping(struct drm_i915_private *dev_priv, * Loads the Video BIOS and checks that the VBT exists. Sets scratch registers * to appropriate values. * - * VBT existence is a sanity check that is relied on by other i830_bios.c code. - * Note that it would be better to use a BIOS call to get the VBT, as BIOSes may - * feed an updated VBT back through that, compared to what we'll fetch using - * this method of groping around in the BIOS data. - * * Returns 0 on success, nonzero on failure. */ bool @@ -532,31 +528,45 @@ intel_init_bios(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct pci_dev *pdev = dev->pdev; - struct vbt_header *vbt = NULL; - struct bdb_header *bdb; - u8 __iomem *bios; - size_t size; - int i; - - bios = pci_map_rom(pdev, &size); - if (!bios) - return -1; - - /* Scour memory looking for the VBT signature */ - for (i = 0; i + 4 < size; i++) { - if (!memcmp(bios + i, "$VBT", 4)) { - vbt = (struct vbt_header *)(bios + i); - break; - } + struct bdb_header *bdb = NULL; + u8 __iomem *bios = NULL; + + /* XXX Should this validation be moved to intel_opregion.c? */ + if (dev_priv->opregion.vbt) { + struct vbt_header *vbt = dev_priv->opregion.vbt; + if (memcmp(vbt->signature, "$VBT", 4) == 0) { + DRM_DEBUG_DRIVER("Using VBT from OpRegion: %20s\n", + vbt->signature); + bdb = (struct bdb_header *)((char *)vbt + vbt->bdb_offset); + } else + dev_priv->opregion.vbt = NULL; } - if (!vbt) { - DRM_ERROR("VBT signature missing\n"); - pci_unmap_rom(pdev, bios); - return -1; - } + if (bdb == NULL) { + struct vbt_header *vbt = NULL; + size_t size; + int i; - bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset); + bios = pci_map_rom(pdev, &size); + if (!bios) + return -1; + + /* Scour memory looking for the VBT signature */ + for (i = 0; i + 4 < size; i++) { + if (!memcmp(bios + i, "$VBT", 4)) { + vbt = (struct vbt_header *)(bios + i); + break; + } + } + + if (!vbt) { + DRM_ERROR("VBT signature missing\n"); + pci_unmap_rom(pdev, bios); + return -1; + } + + bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset); + } /* Grab useful general definitions */ parse_general_features(dev_priv, bdb); @@ -568,7 +578,8 @@ intel_init_bios(struct drm_device *dev) parse_driver_features(dev_priv, bdb); parse_edp(dev_priv, bdb); - pci_unmap_rom(pdev, bios); + if (bios) + pci_unmap_rom(pdev, bios); return 0; } diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 97d5329079fe..3cb13237ba58 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -36,12 +36,11 @@ #define PCI_LBPC 0xf4 #define PCI_ASLS 0xfc -#define OPREGION_SZ (8*1024) #define OPREGION_HEADER_OFFSET 0 #define OPREGION_ACPI_OFFSET 0x100 #define OPREGION_SWSCI_OFFSET 0x200 #define OPREGION_ASLE_OFFSET 0x300 -#define OPREGION_VBT_OFFSET 0x1000 +#define OPREGION_VBT_OFFSET 0x400 #define OPREGION_SIGNATURE "IntelGraphicsMem" #define MBOX_ACPI (1<<0) @@ -143,6 +142,7 @@ struct opregion_asle { #define ACPI_DIGITAL_OUTPUT (3<<8) #define ACPI_LVDS_OUTPUT (4<<8) +#ifdef CONFIG_ACPI static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -465,7 +465,58 @@ blind_set: goto end; } -int intel_opregion_init(struct drm_device *dev, int resume) +void intel_opregion_init(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_opregion *opregion = &dev_priv->opregion; + + if (!opregion->header) + return; + + if (opregion->acpi) { + if (drm_core_check_feature(dev, DRIVER_MODESET)) + intel_didl_outputs(dev); + + /* Notify BIOS we are ready to handle ACPI video ext notifs. + * Right now, all the events are handled by the ACPI video module. + * We don't actually need to do anything with them. */ + opregion->acpi->csts = 0; + opregion->acpi->drdy = 1; + + system_opregion = opregion; + register_acpi_notifier(&intel_opregion_notifier); + } + + if (opregion->asle) + intel_opregion_enable_asle(dev); +} + +void intel_opregion_fini(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_opregion *opregion = &dev_priv->opregion; + + if (!opregion->header) + return; + + if (opregion->acpi) { + opregion->acpi->drdy = 0; + + system_opregion = NULL; + unregister_acpi_notifier(&intel_opregion_notifier); + } + + /* just clear all opregion memory pointers now */ + iounmap(opregion->header); + opregion->header = NULL; + opregion->acpi = NULL; + opregion->swsci = NULL; + opregion->asle = NULL; + opregion->vbt = NULL; +} +#endif + +int intel_opregion_setup(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_opregion *opregion = &dev_priv->opregion; @@ -480,29 +531,23 @@ int intel_opregion_init(struct drm_device *dev, int resume) return -ENOTSUPP; } - base = ioremap(asls, OPREGION_SZ); + base = ioremap(asls, OPREGION_SIZE); if (!base) return -ENOMEM; - opregion->header = base; - if (memcmp(opregion->header->signature, OPREGION_SIGNATURE, 16)) { + if (memcmp(base, OPREGION_SIGNATURE, 16)) { DRM_DEBUG_DRIVER("opregion signature mismatch\n"); err = -EINVAL; goto err_out; } + opregion->header = base; + opregion->vbt = base + OPREGION_VBT_OFFSET; mboxes = opregion->header->mboxes; if (mboxes & MBOX_ACPI) { DRM_DEBUG_DRIVER("Public ACPI methods supported\n"); opregion->acpi = base + OPREGION_ACPI_OFFSET; - if (drm_core_check_feature(dev, DRIVER_MODESET)) - intel_didl_outputs(dev); - } else { - DRM_DEBUG_DRIVER("Public ACPI methods not supported\n"); - err = -ENOTSUPP; - goto err_out; } - opregion->enabled = 1; if (mboxes & MBOX_SWSCI) { DRM_DEBUG_DRIVER("SWSCI supported\n"); @@ -511,53 +556,11 @@ int intel_opregion_init(struct drm_device *dev, int resume) if (mboxes & MBOX_ASLE) { DRM_DEBUG_DRIVER("ASLE supported\n"); opregion->asle = base + OPREGION_ASLE_OFFSET; - intel_opregion_enable_asle(dev); } - if (!resume) - acpi_video_register(); - - - /* Notify BIOS we are ready to handle ACPI video ext notifs. - * Right now, all the events are handled by the ACPI video module. - * We don't actually need to do anything with them. */ - opregion->acpi->csts = 0; - opregion->acpi->drdy = 1; - - system_opregion = opregion; - register_acpi_notifier(&intel_opregion_notifier); - return 0; err_out: iounmap(opregion->header); - opregion->header = NULL; - acpi_video_register(); return err; } - -void intel_opregion_free(struct drm_device *dev, int suspend) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - struct intel_opregion *opregion = &dev_priv->opregion; - - if (!opregion->enabled) - return; - - if (!suspend) - acpi_video_unregister(); - - opregion->acpi->drdy = 0; - - system_opregion = NULL; - unregister_acpi_notifier(&intel_opregion_notifier); - - /* just clear all opregion memory pointers now */ - iounmap(opregion->header); - opregion->header = NULL; - opregion->acpi = NULL; - opregion->swsci = NULL; - opregion->asle = NULL; - - opregion->enabled = 0; -} |