diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 63bdb29..b3cd3eb 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -216,6 +217,157 @@ static void __init intel_remapping_check(int num, int slot, int func) } +/* + * Systems with Intel graphics controllers set aside memory exclusively + * for gfx driver use. This memory is not marked in the E820 as reserved + * or as RAM, and so is subject to overlap from E820 manipulation later + * in the boot process. On some systems, MMIO space is allocated on top, + * despite the efforts of the "RAM buffer" approach, which simply rounds + * memory boundaries up to 64M to try to catch space that may decode + * as RAM and so is not suitable for MMIO. + * + * And yes, so far on current devices the base addr is always under 4G. + */ +static u32 __init intel_stolen_base(int num, int slot, int func) +{ + u32 base; + + /* + * For the PCI IDs in this quirk, the stolen base is always + * in 0x5c, aka the BDSM register (yes that's really what + * it's called). + */ + base = read_pci_config(num, slot, func, 0x5c); + base &= ~((1<<20) - 1); + + return base; +} + +#define KB(x) ((x) * 1024) +#define MB(x) (KB (KB (x))) +#define GB(x) (MB (KB (x))) + +static size_t __init gen3_stolen_size(int num, int slot, int func) +{ + size_t stolen_size; + u16 gmch_ctrl; + + gmch_ctrl = read_pci_config_16(0, 0, 0, I830_GMCH_CTRL); + + switch (gmch_ctrl & I855_GMCH_GMS_MASK) { + case I855_GMCH_GMS_STOLEN_1M: + stolen_size = MB(1); + break; + case I855_GMCH_GMS_STOLEN_4M: + stolen_size = MB(4); + break; + case I855_GMCH_GMS_STOLEN_8M: + stolen_size = MB(8); + break; + case I855_GMCH_GMS_STOLEN_16M: + stolen_size = MB(16); + break; + case I855_GMCH_GMS_STOLEN_32M: + stolen_size = MB(32); + break; + case I915_GMCH_GMS_STOLEN_48M: + stolen_size = MB(48); + break; + case I915_GMCH_GMS_STOLEN_64M: + stolen_size = MB(64); + break; + case G33_GMCH_GMS_STOLEN_128M: + stolen_size = MB(128); + break; + case G33_GMCH_GMS_STOLEN_256M: + stolen_size = MB(256); + break; + case INTEL_GMCH_GMS_STOLEN_96M: + stolen_size = MB(96); + break; + case INTEL_GMCH_GMS_STOLEN_160M: + stolen_size = MB(160); + break; + case INTEL_GMCH_GMS_STOLEN_224M: + stolen_size = MB(224); + break; + case INTEL_GMCH_GMS_STOLEN_352M: + stolen_size = MB(352); + break; + default: + stolen_size = 0; + break; + } + + return stolen_size; +} + +static size_t __init gen6_stolen_size(int num, int slot, int func) +{ + u16 gmch_ctrl; + + gmch_ctrl = read_pci_config_16(num, slot, func, SNB_GMCH_CTRL); + gmch_ctrl >>= SNB_GMCH_GMS_SHIFT; + gmch_ctrl &= SNB_GMCH_GMS_MASK; + + return gmch_ctrl << 25; /* 32 MB units */ +} + +typedef size_t (*stolen_size_fn)(int num, int slot, int func); + +static struct pci_device_id intel_stolen_ids[] __initdata = { + INTEL_I915G_IDS(gen3_stolen_size), + INTEL_I915GM_IDS(gen3_stolen_size), + INTEL_I945G_IDS(gen3_stolen_size), + INTEL_I945GM_IDS(gen3_stolen_size), + INTEL_VLV_M_IDS(gen3_stolen_size), + INTEL_VLV_D_IDS(gen3_stolen_size), + INTEL_PINEVIEW_IDS(gen3_stolen_size), + INTEL_I965G_IDS(gen3_stolen_size), + INTEL_G33_IDS(gen3_stolen_size), + INTEL_I965GM_IDS(gen3_stolen_size), + INTEL_GM45_IDS(gen3_stolen_size), + INTEL_G45_IDS(gen3_stolen_size), + INTEL_IRONLAKE_D_IDS(gen3_stolen_size), + INTEL_IRONLAKE_M_IDS(gen3_stolen_size), + INTEL_SNB_D_IDS(gen6_stolen_size), + INTEL_SNB_M_IDS(gen6_stolen_size), + INTEL_IVB_M_IDS(gen6_stolen_size), + INTEL_IVB_D_IDS(gen6_stolen_size), + INTEL_HSW_D_IDS(gen6_stolen_size), + INTEL_HSW_M_IDS(gen6_stolen_size), +}; + +static void __init intel_graphics_stolen(int num, int slot, int func) +{ + size_t size; + int i; + u32 start; + u16 device, subvendor, subdevice; + + device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID); + subvendor = read_pci_config_16(num, slot, func, + PCI_SUBSYSTEM_VENDOR_ID); + subdevice = read_pci_config_16(num, slot, func, PCI_SUBSYSTEM_ID); + + for (i = 0; i < ARRAY_SIZE(intel_stolen_ids); i++) { + if (intel_stolen_ids[i].device == device) { + stolen_size_fn stolen_size = + (stolen_size_fn)intel_stolen_ids[i].driver_data; + size = stolen_size(num, slot, func); + start = intel_stolen_base(num, slot, func); + if (size && start) { + /* Mark this space as reserved */ + e820_add_region(start, size, E820_RESERVED); + sanitize_e820_map(e820.map, + ARRAY_SIZE(e820.map), + &e820.nr_map); + } + return; + } + } +} + #define QFLAG_APPLY_ONCE 0x1 #define QFLAG_APPLIED 0x2 #define QFLAG_DONE (QFLAG_APPLY_ONCE|QFLAG_APPLIED) @@ -251,6 +403,8 @@ static struct chipset early_qrk[] __initdata = { PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, { PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST, PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, + { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, PCI_ANY_ID, + QFLAG_APPLY_ONCE, intel_graphics_stolen }, {} }; diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 55ab924..a6f4cb5 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -857,7 +857,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); - u32 rpstat, cagf; + u32 rpstat, cagf, reqf; u32 rpupei, rpcurup, rpprevup; u32 rpdownei, rpcurdown, rpprevdown; int max_freq; @@ -869,6 +869,14 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) gen6_gt_force_wake_get(dev_priv); + reqf = I915_READ(GEN6_RPNSWREQ); + reqf &= ~GEN6_TURBO_DISABLE; + if (IS_HASWELL(dev)) + reqf >>= 24; + else + reqf >>= 25; + reqf *= GT_FREQUENCY_MULTIPLIER; + rpstat = I915_READ(GEN6_RPSTAT1); rpupei = I915_READ(GEN6_RP_CUR_UP_EI); rpcurup = I915_READ(GEN6_RP_CUR_UP); @@ -893,6 +901,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) gt_perf_status & 0xff); seq_printf(m, "Render p-state limit: %d\n", rp_state_limits & 0xff); + seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); seq_printf(m, "CAGF: %dMHz\n", cagf); seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & GEN6_CURICONT_MASK); diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index fdaa091..9b265a4 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1290,9 +1290,12 @@ static int i915_load_modeset_init(struct drm_device *dev) * then we do not take part in VGA arbitration and the * vga_client_register() fails with -ENODEV. */ - ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); - if (ret && ret != -ENODEV) - goto out; + if (!HAS_PCH_SPLIT(dev)) { + ret = vga_client_register(dev->pdev, dev, NULL, + i915_vga_set_decode); + if (ret && ret != -ENODEV) + goto out; + } intel_register_dsm_handler(); @@ -1348,6 +1351,12 @@ static int i915_load_modeset_init(struct drm_device *dev) */ intel_fbdev_initial_config(dev); + /* + * Must do this after fbcon init so that + * vgacon_save_screen() works during the handover. + */ + i915_disable_vga_mem(dev); + /* Only enable hotplug handling once the fbdev is fully set up. */ dev_priv->enable_hotplug_processing = true; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index ccb28ea..69d8ed5 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -157,25 +157,6 @@ MODULE_PARM_DESC(prefault_disable, static struct drm_driver driver; extern int intel_agp_enabled; -#define INTEL_VGA_DEVICE(id, info) { \ - .class = PCI_BASE_CLASS_DISPLAY << 16, \ - .class_mask = 0xff0000, \ - .vendor = 0x8086, \ - .device = id, \ - .subvendor = PCI_ANY_ID, \ - .subdevice = PCI_ANY_ID, \ - .driver_data = (unsigned long) info } - -#define INTEL_QUANTA_VGA_DEVICE(info) { \ - .class = PCI_BASE_CLASS_DISPLAY << 16, \ - .class_mask = 0xff0000, \ - .vendor = 0x8086, \ - .device = 0x16a, \ - .subvendor = 0x152d, \ - .subdevice = 0x8990, \ - .driver_data = (unsigned long) info } - - static const struct intel_device_info intel_i830_info = { .gen = 2, .is_mobile = 1, .cursor_needs_physical = 1, .num_pipes = 2, .has_overlay = 1, .overlay_needs_physical = 1, @@ -350,118 +331,41 @@ static const struct intel_device_info intel_haswell_m_info = { .has_vebox_ring = 1, }; +/* + * Make sure any device matches here are from most specific to most + * general. For example, since the Quanta match is based on the subsystem + * and subvendor IDs, we need it to come before the more general IVB + * PCI ID matches, otherwise we'll use the wrong info struct above. + */ +#define INTEL_PCI_IDS \ + INTEL_I830_IDS(&intel_i830_info), \ + INTEL_I845G_IDS(&intel_845g_info), \ + INTEL_I85X_IDS(&intel_i85x_info), \ + INTEL_I865G_IDS(&intel_i865g_info), \ + INTEL_I915G_IDS(&intel_i915g_info), \ + INTEL_I915GM_IDS(&intel_i915gm_info), \ + INTEL_I945G_IDS(&intel_i945g_info), \ + INTEL_I945GM_IDS(&intel_i945gm_info), \ + INTEL_I965G_IDS(&intel_i965g_info), \ + INTEL_G33_IDS(&intel_g33_info), \ + INTEL_I965GM_IDS(&intel_i965gm_info), \ + INTEL_GM45_IDS(&intel_gm45_info), \ + INTEL_G45_IDS(&intel_g45_info), \ + INTEL_PINEVIEW_IDS(&intel_pineview_info), \ + INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info), \ + INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info), \ + INTEL_SNB_D_IDS(&intel_sandybridge_d_info), \ + INTEL_SNB_M_IDS(&intel_sandybridge_m_info), \ + INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */ \ + INTEL_IVB_M_IDS(&intel_ivybridge_m_info), \ + INTEL_IVB_D_IDS(&intel_ivybridge_d_info), \ + INTEL_HSW_D_IDS(&intel_haswell_d_info), \ + INTEL_HSW_M_IDS(&intel_haswell_m_info), \ + INTEL_VLV_M_IDS(&intel_valleyview_m_info), \ + INTEL_VLV_D_IDS(&intel_valleyview_d_info) + 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(0x3582, &intel_i85x_info), /* I855_GM */ - INTEL_VGA_DEVICE(0x358e, &intel_i85x_info), - INTEL_VGA_DEVICE(0x2572, &intel_i865g_info), /* I865_G */ - INTEL_VGA_DEVICE(0x2582, &intel_i915g_info), /* I915_G */ - INTEL_VGA_DEVICE(0x258a, &intel_i915g_info), /* E7221_G */ - INTEL_VGA_DEVICE(0x2592, &intel_i915gm_info), /* I915_GM */ - INTEL_VGA_DEVICE(0x2772, &intel_i945g_info), /* I945_G */ - INTEL_VGA_DEVICE(0x27a2, &intel_i945gm_info), /* I945_GM */ - INTEL_VGA_DEVICE(0x27ae, &intel_i945gm_info), /* I945_GME */ - INTEL_VGA_DEVICE(0x2972, &intel_i965g_info), /* I946_GZ */ - INTEL_VGA_DEVICE(0x2982, &intel_i965g_info), /* G35_G */ - INTEL_VGA_DEVICE(0x2992, &intel_i965g_info), /* I965_Q */ - INTEL_VGA_DEVICE(0x29a2, &intel_i965g_info), /* I965_G */ - INTEL_VGA_DEVICE(0x29b2, &intel_g33_info), /* Q35_G */ - INTEL_VGA_DEVICE(0x29c2, &intel_g33_info), /* G33_G */ - INTEL_VGA_DEVICE(0x29d2, &intel_g33_info), /* Q33_G */ - INTEL_VGA_DEVICE(0x2a02, &intel_i965gm_info), /* I965_GM */ - INTEL_VGA_DEVICE(0x2a12, &intel_i965gm_info), /* I965_GME */ - INTEL_VGA_DEVICE(0x2a42, &intel_gm45_info), /* GM45_G */ - INTEL_VGA_DEVICE(0x2e02, &intel_g45_info), /* IGD_E_G */ - INTEL_VGA_DEVICE(0x2e12, &intel_g45_info), /* Q45_G */ - INTEL_VGA_DEVICE(0x2e22, &intel_g45_info), /* G45_G */ - INTEL_VGA_DEVICE(0x2e32, &intel_g45_info), /* G41_G */ - INTEL_VGA_DEVICE(0x2e42, &intel_g45_info), /* B43_G */ - INTEL_VGA_DEVICE(0x2e92, &intel_g45_info), /* B43_G.1 */ - INTEL_VGA_DEVICE(0xa001, &intel_pineview_info), - INTEL_VGA_DEVICE(0xa011, &intel_pineview_info), - INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info), - INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info), - INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info), - INTEL_VGA_DEVICE(0x0112, &intel_sandybridge_d_info), - INTEL_VGA_DEVICE(0x0122, &intel_sandybridge_d_info), - INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info), - 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 */ - INTEL_QUANTA_VGA_DEVICE(&intel_ivybridge_q_info), /* Quanta transcode */ - 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(0x0422, &intel_haswell_d_info), /* GT3 desktop */ - INTEL_VGA_DEVICE(0x040a, &intel_haswell_d_info), /* GT1 server */ - INTEL_VGA_DEVICE(0x041a, &intel_haswell_d_info), /* GT2 server */ - INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT3 server */ - INTEL_VGA_DEVICE(0x0406, &intel_haswell_m_info), /* GT1 mobile */ - INTEL_VGA_DEVICE(0x0416, &intel_haswell_m_info), /* GT2 mobile */ - INTEL_VGA_DEVICE(0x0426, &intel_haswell_m_info), /* GT2 mobile */ - INTEL_VGA_DEVICE(0x040B, &intel_haswell_d_info), /* GT1 reserved */ - INTEL_VGA_DEVICE(0x041B, &intel_haswell_d_info), /* GT2 reserved */ - INTEL_VGA_DEVICE(0x042B, &intel_haswell_d_info), /* GT3 reserved */ - INTEL_VGA_DEVICE(0x040E, &intel_haswell_d_info), /* GT1 reserved */ - INTEL_VGA_DEVICE(0x041E, &intel_haswell_d_info), /* GT2 reserved */ - INTEL_VGA_DEVICE(0x042E, &intel_haswell_d_info), /* GT3 reserved */ - INTEL_VGA_DEVICE(0x0C02, &intel_haswell_d_info), /* SDV GT1 desktop */ - INTEL_VGA_DEVICE(0x0C12, &intel_haswell_d_info), /* SDV GT2 desktop */ - INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT3 desktop */ - INTEL_VGA_DEVICE(0x0C0A, &intel_haswell_d_info), /* SDV GT1 server */ - INTEL_VGA_DEVICE(0x0C1A, &intel_haswell_d_info), /* SDV GT2 server */ - INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT3 server */ - INTEL_VGA_DEVICE(0x0C06, &intel_haswell_m_info), /* SDV GT1 mobile */ - INTEL_VGA_DEVICE(0x0C16, &intel_haswell_m_info), /* SDV GT2 mobile */ - INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT3 mobile */ - INTEL_VGA_DEVICE(0x0C0B, &intel_haswell_d_info), /* SDV GT1 reserved */ - INTEL_VGA_DEVICE(0x0C1B, &intel_haswell_d_info), /* SDV GT2 reserved */ - INTEL_VGA_DEVICE(0x0C2B, &intel_haswell_d_info), /* SDV GT3 reserved */ - INTEL_VGA_DEVICE(0x0C0E, &intel_haswell_d_info), /* SDV GT1 reserved */ - INTEL_VGA_DEVICE(0x0C1E, &intel_haswell_d_info), /* SDV GT2 reserved */ - INTEL_VGA_DEVICE(0x0C2E, &intel_haswell_d_info), /* SDV GT3 reserved */ - INTEL_VGA_DEVICE(0x0A02, &intel_haswell_d_info), /* ULT GT1 desktop */ - INTEL_VGA_DEVICE(0x0A12, &intel_haswell_d_info), /* ULT GT2 desktop */ - INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT3 desktop */ - INTEL_VGA_DEVICE(0x0A0A, &intel_haswell_d_info), /* ULT GT1 server */ - INTEL_VGA_DEVICE(0x0A1A, &intel_haswell_d_info), /* ULT GT2 server */ - INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT3 server */ - INTEL_VGA_DEVICE(0x0A06, &intel_haswell_m_info), /* ULT GT1 mobile */ - INTEL_VGA_DEVICE(0x0A16, &intel_haswell_m_info), /* ULT GT2 mobile */ - INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT3 mobile */ - INTEL_VGA_DEVICE(0x0A0B, &intel_haswell_d_info), /* ULT GT1 reserved */ - INTEL_VGA_DEVICE(0x0A1B, &intel_haswell_d_info), /* ULT GT2 reserved */ - INTEL_VGA_DEVICE(0x0A2B, &intel_haswell_d_info), /* ULT GT3 reserved */ - INTEL_VGA_DEVICE(0x0A0E, &intel_haswell_m_info), /* ULT GT1 reserved */ - INTEL_VGA_DEVICE(0x0A1E, &intel_haswell_m_info), /* ULT GT2 reserved */ - INTEL_VGA_DEVICE(0x0A2E, &intel_haswell_m_info), /* ULT GT3 reserved */ - INTEL_VGA_DEVICE(0x0D02, &intel_haswell_d_info), /* CRW GT1 desktop */ - INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT2 desktop */ - INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT3 desktop */ - INTEL_VGA_DEVICE(0x0D0A, &intel_haswell_d_info), /* CRW GT1 server */ - INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT2 server */ - INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT3 server */ - INTEL_VGA_DEVICE(0x0D06, &intel_haswell_m_info), /* CRW GT1 mobile */ - INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT2 mobile */ - INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT3 mobile */ - INTEL_VGA_DEVICE(0x0D0B, &intel_haswell_d_info), /* CRW GT1 reserved */ - INTEL_VGA_DEVICE(0x0D1B, &intel_haswell_d_info), /* CRW GT2 reserved */ - INTEL_VGA_DEVICE(0x0D2B, &intel_haswell_d_info), /* CRW GT3 reserved */ - INTEL_VGA_DEVICE(0x0D0E, &intel_haswell_d_info), /* CRW GT1 reserved */ - INTEL_VGA_DEVICE(0x0D1E, &intel_haswell_d_info), /* CRW GT2 reserved */ - INTEL_VGA_DEVICE(0x0D2E, &intel_haswell_d_info), /* CRW GT3 reserved */ - INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info), - INTEL_VGA_DEVICE(0x0f31, &intel_valleyview_m_info), - INTEL_VGA_DEVICE(0x0f32, &intel_valleyview_m_info), - INTEL_VGA_DEVICE(0x0f33, &intel_valleyview_m_info), - INTEL_VGA_DEVICE(0x0157, &intel_valleyview_m_info), - INTEL_VGA_DEVICE(0x0155, &intel_valleyview_d_info), + INTEL_PCI_IDS, {0, 0, 0} }; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 52a3785..35874b3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1236,6 +1236,13 @@ typedef struct drm_i915_private { unsigned int fsb_freq, mem_freq, is_ddr3; + /** + * wq - Driver workqueue for GEM. + * + * NOTE: Work items scheduled here are not allowed to grab any modeset + * locks, for otherwise the flushing done in the pageflip code will + * result in deadlocks. + */ struct workqueue_struct *wq; /* Display functions */ diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 2d1cb10..d9e337f 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -212,7 +212,7 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, void *i915_gem_object_alloc(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - return kmem_cache_alloc(dev_priv->slab, GFP_KERNEL | __GFP_ZERO); + return kmem_cache_zalloc(dev_priv->slab, GFP_KERNEL); } void i915_gem_object_free(struct drm_i915_gem_object *obj) @@ -1695,6 +1695,7 @@ static long __i915_gem_shrink(struct drm_i915_private *dev_priv, long target, bool purgeable_only) { + struct list_head still_bound_list; struct drm_i915_gem_object *obj, *next; long count = 0; @@ -1709,23 +1710,55 @@ __i915_gem_shrink(struct drm_i915_private *dev_priv, long target, } } - list_for_each_entry_safe(obj, next, &dev_priv->mm.bound_list, - global_list) { + /* + * As we may completely rewrite the bound list whilst unbinding + * (due to retiring requests) we have to strictly process only + * one element of the list at the time, and recheck the list + * on every iteration. + */ + INIT_LIST_HEAD(&still_bound_list); + while (count < target && !list_empty(&dev_priv->mm.bound_list)) { struct i915_vma *vma, *v; + obj = list_first_entry(&dev_priv->mm.bound_list, + typeof(*obj), global_list); + list_move_tail(&obj->global_list, &still_bound_list); + if (!i915_gem_object_is_purgeable(obj) && purgeable_only) continue; + /* + * Hold a reference whilst we unbind this object, as we may + * end up waiting for and retiring requests. This might + * release the final reference (held by the active list) + * and result in the object being freed from under us. + * in this object being freed. + * + * Note 1: Shrinking the bound list is special since only active + * (and hence bound objects) can contain such limbo objects, so + * we don't need special tricks for shrinking the unbound list. + * The only other place where we have to be careful with active + * objects suddenly disappearing due to retiring requests is the + * eviction code. + * + * Note 2: Even though the bound list doesn't hold a reference + * to the object we can safely grab one here: The final object + * unreferencing and the bound_list are both protected by the + * dev->struct_mutex and so we won't ever be able to observe an + * object on the bound_list with a reference count equals 0. + */ + drm_gem_object_reference(&obj->base); + list_for_each_entry_safe(vma, v, &obj->vma_list, vma_link) if (i915_vma_unbind(vma)) break; - if (!i915_gem_object_put_pages(obj)) { + if (i915_gem_object_put_pages(obj) == 0) count += obj->base.size >> PAGE_SHIFT; - if (count >= target) - return count; - } + + drm_gem_object_unreference(&obj->base); } + list_splice(&still_bound_list, &dev_priv->mm.bound_list); return count; } @@ -1774,7 +1807,6 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) page_count = obj->base.size / PAGE_SIZE; if (sg_alloc_table(st, page_count, GFP_KERNEL)) { - sg_free_table(st); kfree(st); return -ENOMEM; } diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index e918b05..7d5752f 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c @@ -42,27 +42,24 @@ static struct sg_table *i915_gem_map_dma_buf(struct dma_buf_attachment *attachme ret = i915_mutex_lock_interruptible(obj->base.dev); if (ret) - return ERR_PTR(ret); + goto err; ret = i915_gem_object_get_pages(obj); - if (ret) { - st = ERR_PTR(ret); - goto out; - } + if (ret) + goto err_unlock; + + i915_gem_object_pin_pages(obj); /* Copy sg so that we make an independent mapping */ st = kmalloc(sizeof(struct sg_table), GFP_KERNEL); if (st == NULL) { - st = ERR_PTR(-ENOMEM); - goto out; + ret = -ENOMEM; + goto err_unpin; } ret = sg_alloc_table(st, obj->pages->nents, GFP_KERNEL); - if (ret) { - kfree(st); - st = ERR_PTR(ret); - goto out; - } + if (ret) + goto err_free; src = obj->pages->sgl; dst = st->sgl; @@ -73,17 +70,23 @@ static struct sg_table *i915_gem_map_dma_buf(struct dma_buf_attachment *attachme } if (!dma_map_sg(attachment->dev, st->sgl, st->nents, dir)) { - sg_free_table(st); - kfree(st); - st = ERR_PTR(-ENOMEM); - goto out; + ret =-ENOMEM; + goto err_free_sg; } - i915_gem_object_pin_pages(obj); - -out: mutex_unlock(&obj->base.dev->struct_mutex); return st; + +err_free_sg: + sg_free_table(st); +err_free: + kfree(st); +err_unpin: + i915_gem_object_unpin_pages(obj); +err_unlock: + mutex_unlock(&obj->base.dev->struct_mutex); +err: + return ERR_PTR(ret); } static void i915_gem_unmap_dma_buf(struct dma_buf_attachment *attachment, diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 792c52a..bf34577 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -310,6 +310,9 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, else ret = relocate_entry_gtt(obj, reloc); + if (ret) + return ret; + /* and update the user's relocation entry */ reloc->presumed_offset = target_offset; diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 9969d10..e15a1d9 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -201,6 +201,9 @@ int i915_gem_init_stolen(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int bios_reserved = 0; + if (dev_priv->gtt.stolen_size == 0) + return 0; + dev_priv->mm.stolen_base = i915_stolen_to_physical(dev); if (dev_priv->mm.stolen_base == 0) return 0; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 558e568..aba9d74 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -641,7 +641,7 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv, if (WARN_ON(ring->id != RCS)) return NULL; - obj = ring->private; + obj = ring->scratch.obj; if (acthd >= i915_gem_obj_ggtt_offset(obj) && acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size) return i915_error_object_create(dev_priv, obj); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index a03b445..83cce0c 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1027,8 +1027,13 @@ static inline void intel_hpd_irq_handler(struct drm_device *dev, dev_priv->display.hpd_irq_setup(dev); spin_unlock(&dev_priv->irq_lock); - queue_work(dev_priv->wq, - &dev_priv->hotplug_work); + /* + * Our hotplug handler can grab modeset locks (by calling down into the + * fb helpers). Hence it must not be run on our own dev-priv->wq work + * queue for otherwise the flush_work in the pageflip code will + * deadlock. + */ + schedule_work(&dev_priv->hotplug_work); } static void gmbus_irq_handler(struct drm_device *dev) @@ -1655,7 +1660,13 @@ void i915_handle_error(struct drm_device *dev, bool wedged) wake_up_all(&ring->irq_queue); } - queue_work(dev_priv->wq, &dev_priv->gpu_error.work); + /* + * Our reset work can grab modeset locks (since it needs to reset the + * state of outstanding pagelips). Hence it must not be run on our own + * dev-priv->wq work queue for otherwise the flush_work in the pageflip + * code will deadlock. + */ + schedule_work(&dev_priv->gpu_error.work); } static void __always_unused i915_pageflip_stall_check(struct drm_device *dev, int pipe) @@ -2027,9 +2038,9 @@ static void i915_hangcheck_elapsed(unsigned long data) for_each_ring(ring, dev_priv, i) { if (ring->hangcheck.score > FIRE) { - DRM_ERROR("%s on %s\n", - stuck[i] ? "stuck" : "no progress", - ring->name); + DRM_INFO("%s on %s\n", + stuck[i] ? "stuck" : "no progress", + ring->name); rings_hung++; } } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index b6a58f7..c159e1a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -33,21 +33,6 @@ #define _MASKED_BIT_ENABLE(a) (((a) << 16) | (a)) #define _MASKED_BIT_DISABLE(a) ((a) << 16) -/* - * The Bridge device's PCI config space has information about the - * fb aperture size and the amount of pre-reserved memory. - * This is all handled in the intel-gtt.ko module. i915.ko only - * cares about the vga bit for the vga rbiter. - */ -#define INTEL_GMCH_CTRL 0x52 -#define INTEL_GMCH_VGA_DISABLE (1 << 1) -#define SNB_GMCH_CTRL 0x50 -#define SNB_GMCH_GGMS_SHIFT 8 /* GTT Graphics Memory Size */ -#define SNB_GMCH_GGMS_MASK 0x3 -#define SNB_GMCH_GMS_SHIFT 3 /* Graphics Mode Select */ -#define SNB_GMCH_GMS_MASK 0x1f - - /* PCI config space */ #define HPLLCC 0xc0 /* 855 only */ @@ -245,6 +230,7 @@ * address/value pairs. Don't overdue it, though, x <= 2^4 must hold! */ #define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*x-1) +#define MI_STORE_REGISTER_MEM(x) MI_INSTR(0x24, 2*x-1) #define MI_FLUSH_DW MI_INSTR(0x26, 1) /* for GEN6 */ #define MI_FLUSH_DW_STORE_INDEX (1<<21) #define MI_INVALIDATE_TLB (1<<18) @@ -693,6 +679,23 @@ #define FPGA_DBG_RM_NOCLAIM (1<<31) #define DERRMR 0x44050 +#define DERRMR_PIPEA_SCANLINE (1<<0) +#define DERRMR_PIPEA_PRI_FLIP_DONE (1<<1) +#define DERRMR_PIPEA_SPR_FLIP_DONE (1<<2) +#define DERRMR_PIPEA_VBLANK (1<<3) +#define DERRMR_PIPEA_HBLANK (1<<5) +#define DERRMR_PIPEB_SCANLINE (1<<8) +#define DERRMR_PIPEB_PRI_FLIP_DONE (1<<9) +#define DERRMR_PIPEB_SPR_FLIP_DONE (1<<10) +#define DERRMR_PIPEB_VBLANK (1<<11) +#define DERRMR_PIPEB_HBLANK (1<<13) +/* Note that PIPEC is not a simple translation of PIPEA/PIPEB */ +#define DERRMR_PIPEC_SCANLINE (1<<14) +#define DERRMR_PIPEC_PRI_FLIP_DONE (1<<15) +#define DERRMR_PIPEC_SPR_FLIP_DONE (1<<20) +#define DERRMR_PIPEC_VBLANK (1<<21) +#define DERRMR_PIPEC_HBLANK (1<<22) + /* GM45+ chicken bits -- debug workaround bits that may be required * for various sorts of correct behavior. The top 16 bits of each are @@ -3310,6 +3313,7 @@ #define MCURSOR_PIPE_A 0x00 #define MCURSOR_PIPE_B (1 << 28) #define MCURSOR_GAMMA_ENABLE (1 << 26) +#define CURSOR_TRICKLE_FEED_DISABLE (1 << 14) #define _CURABASE (dev_priv->info->display_mmio_offset + 0x70084) #define _CURAPOS (dev_priv->info->display_mmio_offset + 0x70088) #define CURSOR_POS_MASK 0x007FF diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index a777e7f..c8c4112 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -224,6 +224,18 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev, return snprintf(buf, PAGE_SIZE, "%d\n", ret); } +static ssize_t vlv_rpe_freq_mhz_show(struct device *kdev, + struct device_attribute *attr, char *buf) +{ + struct drm_minor *minor = container_of(kdev, struct drm_minor, kdev); + struct drm_device *dev = minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + return snprintf(buf, PAGE_SIZE, "%d\n", + vlv_gpu_freq(dev_priv->mem_freq, + dev_priv->rps.rpe_delay)); +} + static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf) { struct drm_minor *minor = container_of(kdev, struct drm_minor, kdev); @@ -366,6 +378,7 @@ static DEVICE_ATTR(gt_cur_freq_mhz, S_IRUGO, gt_cur_freq_mhz_show, NULL); static DEVICE_ATTR(gt_max_freq_mhz, S_IRUGO | S_IWUSR, gt_max_freq_mhz_show, gt_max_freq_mhz_store); static DEVICE_ATTR(gt_min_freq_mhz, S_IRUGO | S_IWUSR, gt_min_freq_mhz_show, gt_min_freq_mhz_store); +static DEVICE_ATTR(vlv_rpe_freq_mhz, S_IRUGO, vlv_rpe_freq_mhz_show, NULL); static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf); static DEVICE_ATTR(gt_RP0_freq_mhz, S_IRUGO, gt_rp_mhz_show, NULL); @@ -409,6 +422,14 @@ static const struct attribute *gen6_attrs[] = { NULL, }; +static const struct attribute *vlv_attrs[] = { + &dev_attr_gt_cur_freq_mhz.attr, + &dev_attr_gt_max_freq_mhz.attr, + &dev_attr_gt_min_freq_mhz.attr, + &dev_attr_vlv_rpe_freq_mhz.attr, + NULL, +}; + static ssize_t error_state_read(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, char *buf, loff_t off, size_t count) @@ -492,11 +513,13 @@ void i915_setup_sysfs(struct drm_device *dev) DRM_ERROR("l3 parity sysfs setup failed\n"); } - if (INTEL_INFO(dev)->gen >= 6) { + ret = 0; + if (IS_VALLEYVIEW(dev)) + ret = sysfs_create_files(&dev->primary->kdev.kobj, vlv_attrs); + else if (INTEL_INFO(dev)->gen >= 6) ret = sysfs_create_files(&dev->primary->kdev.kobj, gen6_attrs); - if (ret) - DRM_ERROR("gen6 sysfs setup failed\n"); - } + if (ret) + DRM_ERROR("RPS sysfs setup failed\n"); ret = sysfs_create_bin_file(&dev->primary->kdev.kobj, &error_state_attr); @@ -507,7 +530,10 @@ void i915_setup_sysfs(struct drm_device *dev) void i915_teardown_sysfs(struct drm_device *dev) { sysfs_remove_bin_file(&dev->primary->kdev.kobj, &error_state_attr); - sysfs_remove_files(&dev->primary->kdev.kobj, gen6_attrs); + if (IS_VALLEYVIEW(dev)) + sysfs_remove_files(&dev->primary->kdev.kobj, vlv_attrs); + else + sysfs_remove_files(&dev->primary->kdev.kobj, gen6_attrs); device_remove_bin_file(&dev->primary->kdev, &dpf_attrs); #ifdef CONFIG_PM sysfs_unmerge_group(&dev->primary->kdev.kobj, &rc6_attr_group); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index b5a3875..ea9022e 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -688,7 +688,7 @@ static void intel_crt_reset(struct drm_connector *connector) struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crt *crt = intel_attached_crt(connector); - if (HAS_PCH_SPLIT(dev)) { + if (INTEL_INFO(dev)->gen >= 5) { u32 adpa; adpa = I915_READ(crt->adpa_reg); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 38452d8..2489d0b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2077,8 +2077,10 @@ static int ironlake_update_plane(struct drm_crtc *crtc, else dspcntr &= ~DISPPLANE_TILED; - /* must disable */ - dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; + if (IS_HASWELL(dev)) + dspcntr &= ~DISPPLANE_TRICKLE_FEED_DISABLE; + else + dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; I915_WRITE(reg, dspcntr); @@ -6762,8 +6764,10 @@ static void ivb_update_cursor(struct drm_crtc *crtc, u32 base) cntl &= ~(CURSOR_MODE | MCURSOR_GAMMA_ENABLE); cntl |= CURSOR_MODE_DISABLE; } - if (IS_HASWELL(dev)) + if (IS_HASWELL(dev)) { cntl |= CURSOR_PIPE_CSC_ENABLE; + cntl &= ~CURSOR_TRICKLE_FEED_DISABLE; + } I915_WRITE(CURCNTR_IVB(pipe), cntl); intel_crtc->cursor_visible = visible; @@ -7309,8 +7313,7 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc, } } - pipe_config->adjusted_mode.clock = clock.dot * - pipe_config->pixel_multiplier; + pipe_config->adjusted_mode.clock = clock.dot; } static void ironlake_crtc_clock_get(struct intel_crtc *crtc, @@ -7828,12 +7831,6 @@ err: return ret; } -/* - * On gen7 we currently use the blit ring because (in early silicon at least) - * the render ring doesn't give us interrpts for page flip completion, which - * means clients will hang after the first flip is queued. Fortunately the - * blit ring generates interrupts properly, so use it instead. - */ static int intel_gen7_queue_flip(struct drm_device *dev, struct drm_crtc *crtc, struct drm_framebuffer *fb, @@ -7842,9 +7839,13 @@ static int intel_gen7_queue_flip(struct drm_device *dev, { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_ring_buffer *ring = &dev_priv->ring[BCS]; + struct intel_ring_buffer *ring; uint32_t plane_bit = 0; - int ret; + int len, ret; + + ring = obj->ring; + if (IS_VALLEYVIEW(dev) || ring == NULL || ring->id != RCS) + ring = &dev_priv->ring[BCS]; ret = intel_pin_and_fence_fb_obj(dev, obj, ring); if (ret) @@ -7866,10 +7867,34 @@ static int intel_gen7_queue_flip(struct drm_device *dev, goto err_unpin; } - ret = intel_ring_begin(ring, 4); + len = 4; + if (ring->id == RCS) + len += 6; + + ret = intel_ring_begin(ring, len); if (ret) goto err_unpin; + /* Unmask the flip-done completion message. Note that the bspec says that + * we should do this for both the BCS and RCS, and that we must not unmask + * more than one flip event at any time (or ensure that one flip message + * can be sent by waiting for flip-done prior to queueing new flips). + * Experimentation says that BCS works despite DERRMR masking all + * flip-done completion events and that unmasking all planes at once + * for the RCS also doesn't appear to drop events. Setting the DERRMR + * to zero does lead to lockups within MI_DISPLAY_FLIP. + */ + if (ring->id == RCS) { + intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); + intel_ring_emit(ring, DERRMR); + intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | + DERRMR_PIPEB_PRI_FLIP_DONE | + DERRMR_PIPEC_PRI_FLIP_DONE)); + intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1)); + intel_ring_emit(ring, DERRMR); + intel_ring_emit(ring, ring->scratch.gtt_offset + 256); + } + intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); intel_ring_emit(ring, i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); @@ -10022,6 +10047,33 @@ static void i915_disable_vga(struct drm_device *dev) POSTING_READ(vga_reg); } +static void i915_enable_vga_mem(struct drm_device *dev) +{ + /* Enable VGA memory on Intel HD */ + if (HAS_PCH_SPLIT(dev)) { + vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); + outb(inb(VGA_MSR_READ) | VGA_MSR_MEM_EN, VGA_MSR_WRITE); + vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | + VGA_RSRC_LEGACY_MEM | + VGA_RSRC_NORMAL_IO | + VGA_RSRC_NORMAL_MEM); + vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); + } +} + +void i915_disable_vga_mem(struct drm_device *dev) +{ + /* Disable VGA memory on Intel HD */ + if (HAS_PCH_SPLIT(dev)) { + vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); + outb(inb(VGA_MSR_READ) & ~VGA_MSR_MEM_EN, VGA_MSR_WRITE); + vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | + VGA_RSRC_NORMAL_IO | + VGA_RSRC_NORMAL_MEM); + vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); + } +} + void intel_modeset_init_hw(struct drm_device *dev) { intel_init_power_well(dev); @@ -10300,6 +10352,7 @@ void i915_redisable_vga(struct drm_device *dev) if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); i915_disable_vga(dev); + i915_disable_vga_mem(dev); } } @@ -10513,6 +10566,8 @@ void intel_modeset_cleanup(struct drm_device *dev) intel_disable_fbc(dev); + i915_enable_vga_mem(dev); + intel_disable_gt_powersave(dev); ironlake_teardown_rc6(dev); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 1760808..a47799e 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -551,7 +551,7 @@ extern int intel_panel_init(struct intel_panel *panel, struct drm_display_mode *fixed_mode); extern void intel_panel_fini(struct intel_panel *panel); -extern void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, +extern void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode); extern void intel_pch_panel_fitting(struct intel_crtc *crtc, struct intel_crtc_config *pipe_config, @@ -792,5 +792,6 @@ extern void hsw_pc8_disable_interrupts(struct drm_device *dev); extern void hsw_pc8_restore_interrupts(struct drm_device *dev); extern void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv); extern void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv); +extern void i915_disable_vga_mem(struct drm_device *dev); #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 4d33278..831a5c0 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -128,8 +128,8 @@ static void intel_pre_enable_lvds(struct intel_encoder *encoder) struct drm_device *dev = encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc); - struct drm_display_mode *fixed_mode = - lvds_encoder->attached_connector->base.panel.fixed_mode; + const struct drm_display_mode *adjusted_mode = + &crtc->config.adjusted_mode; int pipe = crtc->pipe; u32 temp; @@ -183,9 +183,9 @@ static void intel_pre_enable_lvds(struct intel_encoder *encoder) temp &= ~LVDS_ENABLE_DITHER; } temp &= ~(LVDS_HSYNC_POLARITY | LVDS_VSYNC_POLARITY); - if (fixed_mode->flags & DRM_MODE_FLAG_NHSYNC) + if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC) temp |= LVDS_HSYNC_POLARITY; - if (fixed_mode->flags & DRM_MODE_FLAG_NVSYNC) + if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC) temp |= LVDS_VSYNC_POLARITY; I915_WRITE(lvds_encoder->reg, temp); diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index cfb8fb6..119771f 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -173,7 +173,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) return ASLE_BACKLIGHT_FAILED; intel_panel_set_backlight(dev, bclp, 255); - iowrite32((bclp*0x64)/0xff | ASLE_CBLV_VALID, &asle->cblv); + iowrite32(DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID, &asle->cblv); return 0; } diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index a43c33b..42114ec 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -36,20 +36,12 @@ #define PCI_LBPC 0xf4 /* legacy/combination backlight modes */ void -intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, +intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode) { - adjusted_mode->hdisplay = fixed_mode->hdisplay; - adjusted_mode->hsync_start = fixed_mode->hsync_start; - adjusted_mode->hsync_end = fixed_mode->hsync_end; - adjusted_mode->htotal = fixed_mode->htotal; + drm_mode_copy(adjusted_mode, fixed_mode); - adjusted_mode->vdisplay = fixed_mode->vdisplay; - adjusted_mode->vsync_start = fixed_mode->vsync_start; - adjusted_mode->vsync_end = fixed_mode->vsync_end; - adjusted_mode->vtotal = fixed_mode->vtotal; - - adjusted_mode->clock = fixed_mode->clock; + drm_mode_set_crtcinfo(adjusted_mode, 0); } /* adjusted_mode has been preset to be the panel's fixed mode */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 4605682..0c115cc 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3447,14 +3447,24 @@ int intel_enable_rc6(const struct drm_device *dev) static void gen6_enable_rps_interrupts(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + u32 enabled_intrs; spin_lock_irq(&dev_priv->irq_lock); WARN_ON(dev_priv->rps.pm_iir); snb_enable_pm_irq(dev_priv, GEN6_PM_RPS_EVENTS); I915_WRITE(GEN6_PMIIR, GEN6_PM_RPS_EVENTS); spin_unlock_irq(&dev_priv->irq_lock); + /* only unmask PM interrupts we need. Mask all others. */ - I915_WRITE(GEN6_PMINTRMSK, ~GEN6_PM_RPS_EVENTS); + enabled_intrs = GEN6_PM_RPS_EVENTS; + + /* IVB and SNB hard hangs on looping batchbuffer + * if GEN6_PM_UP_EI_EXPIRED is masked. + */ + if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) + enabled_intrs |= GEN6_PM_RP_UP_EI_EXPIRED; + + I915_WRITE(GEN6_PMINTRMSK, ~enabled_intrs); } static void gen6_enable_rps(struct drm_device *dev) @@ -4950,8 +4960,6 @@ static void haswell_init_clock_gating(struct drm_device *dev) I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB); - g4x_disable_trickle_feed(dev); - /* WaVSRefCountFullforceMissDisable:hsw */ gen7_setup_fixed_func_scheduler(dev_priv); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index f05ccea..460ee10 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -33,16 +33,6 @@ #include "i915_trace.h" #include "intel_drv.h" -/* - * 965+ support PIPE_CONTROL commands, which provide finer grained control - * over cache flushing. - */ -struct pipe_control { - struct drm_i915_gem_object *obj; - volatile u32 *cpu_page; - u32 gtt_offset; -}; - static inline int ring_space(struct intel_ring_buffer *ring) { int space = (ring->head & HEAD_ADDR) - (ring->tail + I915_RING_FREE_SPACE); @@ -175,8 +165,7 @@ gen4_render_ring_flush(struct intel_ring_buffer *ring, static int intel_emit_post_sync_nonzero_flush(struct intel_ring_buffer *ring) { - struct pipe_control *pc = ring->private; - u32 scratch_addr = pc->gtt_offset + 128; + u32 scratch_addr = ring->scratch.gtt_offset + 128; int ret; @@ -213,8 +202,7 @@ gen6_render_ring_flush(struct intel_ring_buffer *ring, u32 invalidate_domains, u32 flush_domains) { u32 flags = 0; - struct pipe_control *pc = ring->private; - u32 scratch_addr = pc->gtt_offset + 128; + u32 scratch_addr = ring->scratch.gtt_offset + 128; int ret; /* Force SNB workarounds for PIPE_CONTROL flushes */ @@ -306,8 +294,7 @@ gen7_render_ring_flush(struct intel_ring_buffer *ring, u32 invalidate_domains, u32 flush_domains) { u32 flags = 0; - struct pipe_control *pc = ring->private; - u32 scratch_addr = pc->gtt_offset + 128; + u32 scratch_addr = ring->scratch.gtt_offset + 128; int ret; /* @@ -481,68 +468,43 @@ out: static int init_pipe_control(struct intel_ring_buffer *ring) { - struct pipe_control *pc; - struct drm_i915_gem_object *obj; int ret; - if (ring->private) + if (ring->scratch.obj) return 0; - pc = kmalloc(sizeof(*pc), GFP_KERNEL); - if (!pc) - return -ENOMEM; - - obj = i915_gem_alloc_object(ring->dev, 4096); - if (obj == NULL) { + ring->scratch.obj = i915_gem_alloc_object(ring->dev, 4096); + if (ring->scratch.obj == NULL) { DRM_ERROR("Failed to allocate seqno page\n"); ret = -ENOMEM; goto err; } - i915_gem_object_set_cache_level(obj, I915_CACHE_LLC); + i915_gem_object_set_cache_level(ring->scratch.obj, I915_CACHE_LLC); - ret = i915_gem_obj_ggtt_pin(obj, 4096, true, false); + ret = i915_gem_obj_ggtt_pin(ring->scratch.obj, 4096, true, false); if (ret) goto err_unref; - pc->gtt_offset = i915_gem_obj_ggtt_offset(obj); - pc->cpu_page = kmap(sg_page(obj->pages->sgl)); - if (pc->cpu_page == NULL) { + ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(ring->scratch.obj); + ring->scratch.cpu_page = kmap(sg_page(ring->scratch.obj->pages->sgl)); + if (ring->scratch.cpu_page == NULL) { ret = -ENOMEM; goto err_unpin; } DRM_DEBUG_DRIVER("%s pipe control offset: 0x%08x\n", - ring->name, pc->gtt_offset); - - pc->obj = obj; - ring->private = pc; + ring->name, ring->scratch.gtt_offset); return 0; err_unpin: - i915_gem_object_unpin(obj); + i915_gem_object_unpin(ring->scratch.obj); err_unref: - drm_gem_object_unreference(&obj->base); + drm_gem_object_unreference(&ring->scratch.obj->base); err: - kfree(pc); return ret; } -static void -cleanup_pipe_control(struct intel_ring_buffer *ring) -{ - struct pipe_control *pc = ring->private; - struct drm_i915_gem_object *obj; - - obj = pc->obj; - - kunmap(sg_page(obj->pages->sgl)); - i915_gem_object_unpin(obj); - drm_gem_object_unreference(&obj->base); - - kfree(pc); -} - static int init_render_ring(struct intel_ring_buffer *ring) { struct drm_device *dev = ring->dev; @@ -607,16 +569,16 @@ static void render_ring_cleanup(struct intel_ring_buffer *ring) { struct drm_device *dev = ring->dev; - if (!ring->private) + if (ring->scratch.obj == NULL) return; - if (HAS_BROKEN_CS_TLB(dev)) - drm_gem_object_unreference(to_gem_object(ring->private)); - - if (INTEL_INFO(dev)->gen >= 5) - cleanup_pipe_control(ring); + if (INTEL_INFO(dev)->gen >= 5) { + kunmap(sg_page(ring->scratch.obj->pages->sgl)); + i915_gem_object_unpin(ring->scratch.obj); + } - ring->private = NULL; + drm_gem_object_unreference(&ring->scratch.obj->base); + ring->scratch.obj = NULL; } static void @@ -742,8 +704,7 @@ do { \ static int pc_render_add_request(struct intel_ring_buffer *ring) { - struct pipe_control *pc = ring->private; - u32 scratch_addr = pc->gtt_offset + 128; + u32 scratch_addr = ring->scratch.gtt_offset + 128; int ret; /* For Ironlake, MI_USER_INTERRUPT was deprecated and apparently @@ -761,7 +722,7 @@ pc_render_add_request(struct intel_ring_buffer *ring) intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE | PIPE_CONTROL_WRITE_FLUSH | PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE); - intel_ring_emit(ring, pc->gtt_offset | PIPE_CONTROL_GLOBAL_GTT); + intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT); intel_ring_emit(ring, ring->outstanding_lazy_request); intel_ring_emit(ring, 0); PIPE_CONTROL_FLUSH(ring, scratch_addr); @@ -780,7 +741,7 @@ pc_render_add_request(struct intel_ring_buffer *ring) PIPE_CONTROL_WRITE_FLUSH | PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE | PIPE_CONTROL_NOTIFY); - intel_ring_emit(ring, pc->gtt_offset | PIPE_CONTROL_GLOBAL_GTT); + intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT); intel_ring_emit(ring, ring->outstanding_lazy_request); intel_ring_emit(ring, 0); intel_ring_advance(ring); @@ -814,15 +775,13 @@ ring_set_seqno(struct intel_ring_buffer *ring, u32 seqno) static u32 pc_render_get_seqno(struct intel_ring_buffer *ring, bool lazy_coherency) { - struct pipe_control *pc = ring->private; - return pc->cpu_page[0]; + return ring->scratch.cpu_page[0]; } static void pc_render_set_seqno(struct intel_ring_buffer *ring, u32 seqno) { - struct pipe_control *pc = ring->private; - pc->cpu_page[0] = seqno; + ring->scratch.cpu_page[0] = seqno; } static bool @@ -1141,8 +1100,7 @@ i830_dispatch_execbuffer(struct intel_ring_buffer *ring, intel_ring_emit(ring, MI_NOOP); intel_ring_advance(ring); } else { - struct drm_i915_gem_object *obj = ring->private; - u32 cs_offset = i915_gem_obj_ggtt_offset(obj); + u32 cs_offset = ring->scratch.gtt_offset; if (len > I830_BATCH_LIMIT) return -ENOSPC; @@ -1835,7 +1793,8 @@ int intel_init_render_ring_buffer(struct drm_device *dev) return ret; } - ring->private = obj; + ring->scratch.obj = obj; + ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(obj); } return intel_init_ring_buffer(dev, ring); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 432ad53..68b1ca9 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -155,7 +155,11 @@ struct intel_ring_buffer { struct intel_ring_hangcheck hangcheck; - void *private; + struct { + struct drm_i915_gem_object *obj; + u32 gtt_offset; + volatile u32 *cpu_page; + } scratch; }; static inline bool diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 317e058..85037b9 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -1151,11 +1151,10 @@ static void intel_sdvo_mode_set(struct intel_encoder *intel_encoder) { struct drm_device *dev = intel_encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - struct drm_crtc *crtc = intel_encoder->base.crtc; - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc *crtc = to_intel_crtc(intel_encoder->base.crtc); struct drm_display_mode *adjusted_mode = - &intel_crtc->config.adjusted_mode; - struct drm_display_mode *mode = &intel_crtc->config.requested_mode; + &crtc->config.adjusted_mode; + struct drm_display_mode *mode = &crtc->config.requested_mode; struct intel_sdvo *intel_sdvo = to_sdvo(intel_encoder); u32 sdvox; struct intel_sdvo_in_out_map in_out; @@ -1213,13 +1212,15 @@ static void intel_sdvo_mode_set(struct intel_encoder *intel_encoder) * adjusted_mode. */ intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode); + input_dtd.part1.clock /= crtc->config.pixel_multiplier; + if (intel_sdvo->is_tv || intel_sdvo->is_lvds) input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags; if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd)) DRM_INFO("Setting input timings on %s failed\n", SDVO_NAME(intel_sdvo)); - switch (intel_crtc->config.pixel_multiplier) { + switch (crtc->config.pixel_multiplier) { default: WARN(1, "unknown pixel mutlipler specified\n"); case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break; @@ -1252,9 +1253,9 @@ static void intel_sdvo_mode_set(struct intel_encoder *intel_encoder) } if (INTEL_PCH_TYPE(dev) >= PCH_CPT) - sdvox |= SDVO_PIPE_SEL_CPT(intel_crtc->pipe); + sdvox |= SDVO_PIPE_SEL_CPT(crtc->pipe); else - sdvox |= SDVO_PIPE_SEL(intel_crtc->pipe); + sdvox |= SDVO_PIPE_SEL(crtc->pipe); if (intel_sdvo->has_hdmi_audio) sdvox |= SDVO_AUDIO_ENABLE; @@ -1264,7 +1265,7 @@ static void intel_sdvo_mode_set(struct intel_encoder *intel_encoder) } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { /* done in crtc_mode_set as it lives inside the dpll register */ } else { - sdvox |= (intel_crtc->config.pixel_multiplier - 1) + sdvox |= (crtc->config.pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT; } diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 78b621c..ad6ec4b 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -260,8 +260,11 @@ ivb_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, if (obj->tiling_mode != I915_TILING_NONE) sprctl |= SPRITE_TILED; - /* must disable */ - sprctl |= SPRITE_TRICKLE_FEED_DISABLE; + if (IS_HASWELL(dev)) + sprctl &= ~SPRITE_TRICKLE_FEED_DISABLE; + else + sprctl |= SPRITE_TRICKLE_FEED_DISABLE; + sprctl |= SPRITE_ENABLE; if (IS_HASWELL(dev)) diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 8f5bc86..8649f1c 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -261,7 +261,7 @@ void intel_uncore_init(struct drm_device *dev) } } -void intel_uncore_sanitize(struct drm_device *dev) +static void intel_uncore_forcewake_reset(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -272,6 +272,11 @@ void intel_uncore_sanitize(struct drm_device *dev) if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) __gen6_gt_force_wake_mt_reset(dev_priv); } +} + +void intel_uncore_sanitize(struct drm_device *dev) +{ + intel_uncore_forcewake_reset(dev); /* BIOS often leaves RC6 enabled, but disable it for hw init */ intel_disable_gt_powersave(dev); @@ -549,6 +554,8 @@ static int gen6_do_reset(struct drm_device *dev) /* Spin waiting for the device to ack the reset request */ ret = wait_for((__raw_i915_read32(dev_priv, GEN6_GDRST) & GEN6_GRDOM_FULL) == 0, 500); + intel_uncore_forcewake_reset(dev); + /* If reset with a user forcewake, try to restore, otherwise turn it off */ if (dev_priv->uncore.forcewake_count) dev_priv->uncore.funcs.force_wake_get(dev_priv); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 8863644..e893c53 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -636,7 +636,8 @@ int nouveau_pmops_resume(struct device *dev) nouveau_fbcon_set_suspend(drm_dev, 0); nouveau_fbcon_zfill_all(drm_dev); - nouveau_display_resume(drm_dev); + if (drm_dev->mode_config.num_crtc) + nouveau_display_resume(drm_dev); nv_suspend_set_printk_level(NV_DBG_DEBUG); return 0; } @@ -671,7 +672,8 @@ static int nouveau_pmops_thaw(struct device *dev) if (drm_dev->mode_config.num_crtc) nouveau_fbcon_set_suspend(drm_dev, 0); nouveau_fbcon_zfill_all(drm_dev); - nouveau_display_resume(drm_dev); + if (drm_dev->mode_config.num_crtc) + nouveau_display_resume(drm_dev); nv_suspend_set_printk_level(NV_DBG_DEBUG); return 0; } @@ -906,7 +908,8 @@ static int nouveau_pmops_runtime_resume(struct device *dev) pci_set_master(pdev); ret = nouveau_do_resume(drm_dev); - nouveau_display_resume(drm_dev); + if (drm_dev->mode_config.num_crtc) + nouveau_display_resume(drm_dev); drm_kms_helper_poll_enable(drm_dev); /* do magic */ nv_mask(device, 0x88488, (1 << 25), (1 << 25)); diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index e893f6e..af02597 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -257,9 +257,9 @@ static struct vga_device *__vga_tryget(struct vga_device *vgadev, if (!conflict->bridge_has_one_vga) { vga_irq_set_state(conflict, false); flags |= PCI_VGA_STATE_CHANGE_DECODES; - if (lwants & (VGA_RSRC_LEGACY_MEM|VGA_RSRC_NORMAL_MEM)) + if (match & (VGA_RSRC_LEGACY_MEM|VGA_RSRC_NORMAL_MEM)) pci_bits |= PCI_COMMAND_MEMORY; - if (lwants & (VGA_RSRC_LEGACY_IO|VGA_RSRC_NORMAL_IO)) + if (match & (VGA_RSRC_LEGACY_IO|VGA_RSRC_NORMAL_IO)) pci_bits |= PCI_COMMAND_IO; } @@ -267,11 +267,11 @@ static struct vga_device *__vga_tryget(struct vga_device *vgadev, flags |= PCI_VGA_STATE_CHANGE_BRIDGE; pci_set_vga_state(conflict->pdev, false, pci_bits, flags); - conflict->owns &= ~lwants; + conflict->owns &= ~match; /* If he also owned non-legacy, that is no longer the case */ - if (lwants & VGA_RSRC_LEGACY_MEM) + if (match & VGA_RSRC_LEGACY_MEM) conflict->owns &= ~VGA_RSRC_NORMAL_MEM; - if (lwants & VGA_RSRC_LEGACY_IO) + if (match & VGA_RSRC_LEGACY_IO) conflict->owns &= ~VGA_RSRC_NORMAL_IO; } @@ -644,10 +644,12 @@ bail: static inline void vga_update_device_decodes(struct vga_device *vgadev, int new_decodes) { - int old_decodes; - struct vga_device *new_vgadev, *conflict; + int old_decodes, decodes_removed, decodes_unlocked; old_decodes = vgadev->decodes; + decodes_removed = ~new_decodes & old_decodes; + decodes_unlocked = vgadev->locks & decodes_removed; + vgadev->owns &= ~decodes_removed; vgadev->decodes = new_decodes; pr_info("vgaarb: device changed decodes: PCI:%s,olddecodes=%s,decodes=%s:owns=%s\n", @@ -656,31 +658,22 @@ static inline void vga_update_device_decodes(struct vga_device *vgadev, vga_iostate_to_str(vgadev->decodes), vga_iostate_to_str(vgadev->owns)); - - /* if we own the decodes we should move them along to - another card */ - if ((vgadev->owns & old_decodes) && (vga_count > 1)) { - /* set us to own nothing */ - vgadev->owns &= ~old_decodes; - list_for_each_entry(new_vgadev, &vga_list, list) { - if ((new_vgadev != vgadev) && - (new_vgadev->decodes & VGA_RSRC_LEGACY_MASK)) { - pr_info("vgaarb: transferring owner from PCI:%s to PCI:%s\n", pci_name(vgadev->pdev), pci_name(new_vgadev->pdev)); - conflict = __vga_tryget(new_vgadev, VGA_RSRC_LEGACY_MASK); - if (!conflict) - __vga_put(new_vgadev, VGA_RSRC_LEGACY_MASK); - break; - } - } + /* if we removed locked decodes, lock count goes to zero, and release */ + if (decodes_unlocked) { + if (decodes_unlocked & VGA_RSRC_LEGACY_IO) + vgadev->io_lock_cnt = 0; + if (decodes_unlocked & VGA_RSRC_LEGACY_MEM) + vgadev->mem_lock_cnt = 0; + __vga_put(vgadev, decodes_unlocked); } /* change decodes counter */ - if (old_decodes != new_decodes) { - if (new_decodes & (VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM)) - vga_decode_count++; - else - vga_decode_count--; - } + if (old_decodes & VGA_RSRC_LEGACY_MASK && + !(new_decodes & VGA_RSRC_LEGACY_MASK)) + vga_decode_count--; + if (!(old_decodes & VGA_RSRC_LEGACY_MASK) && + new_decodes & VGA_RSRC_LEGACY_MASK) + vga_decode_count++; pr_debug("vgaarb: decoding count now is: %d\n", vga_decode_count); } diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index 63d609d..3abfa6e 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -26,6 +26,7 @@ #ifndef _I915_DRM_H_ #define _I915_DRM_H_ +#include #include /* For use by IPS driver */ @@ -34,4 +35,37 @@ extern bool i915_gpu_raise(void); extern bool i915_gpu_lower(void); extern bool i915_gpu_busy(void); extern bool i915_gpu_turbo_disable(void); + +/* + * The Bridge device's PCI config space has information about the + * fb aperture size and the amount of pre-reserved memory. + * This is all handled in the intel-gtt.ko module. i915.ko only + * cares about the vga bit for the vga rbiter. + */ +#define INTEL_GMCH_CTRL 0x52 +#define INTEL_GMCH_VGA_DISABLE (1 << 1) +#define SNB_GMCH_CTRL 0x50 +#define SNB_GMCH_GGMS_SHIFT 8 /* GTT Graphics Memory Size */ +#define SNB_GMCH_GGMS_MASK 0x3 +#define SNB_GMCH_GMS_SHIFT 3 /* Graphics Mode Select */ +#define SNB_GMCH_GMS_MASK 0x1f + +#define I830_GMCH_CTRL 0x52 + +#define I855_GMCH_GMS_MASK 0xF0 +#define I855_GMCH_GMS_STOLEN_0M 0x0 +#define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) +#define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) +#define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) +#define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) +#define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) +#define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) +#define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) +#define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) +#define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) +#define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) +#define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) +#define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) +#define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) + #endif /* _I915_DRM_H_ */ diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h new file mode 100644 index 0000000..8a10f5c --- /dev/null +++ b/include/drm/i915_pciids.h @@ -0,0 +1,211 @@ +/* + * Copyright 2013 Intel Corporation + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#ifndef _I915_PCIIDS_H +#define _I915_PCIIDS_H + +/* + * A pci_device_id struct { + * __u32 vendor, device; + * __u32 subvendor, subdevice; + * __u32 class, class_mask; + * kernel_ulong_t driver_data; + * }; + * Don't use C99 here because "class" is reserved and we want to + * give userspace flexibility. + */ +#define INTEL_VGA_DEVICE(id, info) { \ + 0x8086, id, \ + ~0, ~0, \ + 0x030000, 0xff0000, \ + (unsigned long) info } + +#define INTEL_QUANTA_VGA_DEVICE(info) { \ + 0x8086, 0x16a, \ + 0x152d, 0x8990, \ + 0x030000, 0xff0000, \ + (unsigned long) info } + +#define INTEL_I830_IDS(info) \ + INTEL_VGA_DEVICE(0x3577, info) + +#define INTEL_I845G_IDS(info) \ + INTEL_VGA_DEVICE(0x2562, info) + +#define INTEL_I85X_IDS(info) \ + INTEL_VGA_DEVICE(0x3582, info), /* I855_GM */ \ + INTEL_VGA_DEVICE(0x358e, info) + +#define INTEL_I865G_IDS(info) \ + INTEL_VGA_DEVICE(0x2572, info) /* I865_G */ + +#define INTEL_I915G_IDS(info) \ + INTEL_VGA_DEVICE(0x2582, info), /* I915_G */ \ + INTEL_VGA_DEVICE(0x258a, info) /* E7221_G */ + +#define INTEL_I915GM_IDS(info) \ + INTEL_VGA_DEVICE(0x2592, info) /* I915_GM */ + +#define INTEL_I945G_IDS(info) \ + INTEL_VGA_DEVICE(0x2772, info) /* I945_G */ + +#define INTEL_I945GM_IDS(info) \ + INTEL_VGA_DEVICE(0x27a2, info), /* I945_GM */ \ + INTEL_VGA_DEVICE(0x27ae, info) /* I945_GME */ + +#define INTEL_I965G_IDS(info) \ + INTEL_VGA_DEVICE(0x2972, info), /* I946_GZ */ \ + INTEL_VGA_DEVICE(0x2982, info), /* G35_G */ \ + INTEL_VGA_DEVICE(0x2992, info), /* I965_Q */ \ + INTEL_VGA_DEVICE(0x29a2, info) /* I965_G */ + +#define INTEL_G33_IDS(info) \ + INTEL_VGA_DEVICE(0x29b2, info), /* Q35_G */ \ + INTEL_VGA_DEVICE(0x29c2, info), /* G33_G */ \ + INTEL_VGA_DEVICE(0x29d2, info) /* Q33_G */ + +#define INTEL_I965GM_IDS(info) \ + INTEL_VGA_DEVICE(0x2a02, info), /* I965_GM */ \ + INTEL_VGA_DEVICE(0x2a12, info) /* I965_GME */ + +#define INTEL_GM45_IDS(info) \ + INTEL_VGA_DEVICE(0x2a42, info) /* GM45_G */ + +#define INTEL_G45_IDS(info) \ + INTEL_VGA_DEVICE(0x2e02, info), /* IGD_E_G */ \ + INTEL_VGA_DEVICE(0x2e12, info), /* Q45_G */ \ + INTEL_VGA_DEVICE(0x2e22, info), /* G45_G */ \ + INTEL_VGA_DEVICE(0x2e32, info), /* G41_G */ \ + INTEL_VGA_DEVICE(0x2e42, info), /* B43_G */ \ + INTEL_VGA_DEVICE(0x2e92, info) /* B43_G.1 */ + +#define INTEL_PINEVIEW_IDS(info) \ + INTEL_VGA_DEVICE(0xa001, info), \ + INTEL_VGA_DEVICE(0xa011, info) + +#define INTEL_IRONLAKE_D_IDS(info) \ + INTEL_VGA_DEVICE(0x0042, info) + +#define INTEL_IRONLAKE_M_IDS(info) \ + INTEL_VGA_DEVICE(0x0046, info) + +#define INTEL_SNB_D_IDS(info) \ + INTEL_VGA_DEVICE(0x0102, info), \ + INTEL_VGA_DEVICE(0x0112, info), \ + INTEL_VGA_DEVICE(0x0122, info), \ + INTEL_VGA_DEVICE(0x010A, info) + +#define INTEL_SNB_M_IDS(info) \ + INTEL_VGA_DEVICE(0x0106, info), \ + INTEL_VGA_DEVICE(0x0116, info), \ + INTEL_VGA_DEVICE(0x0126, info) + +#define INTEL_IVB_M_IDS(info) \ + INTEL_VGA_DEVICE(0x0156, info), /* GT1 mobile */ \ + INTEL_VGA_DEVICE(0x0166, info) /* GT2 mobile */ + +#define INTEL_IVB_D_IDS(info) \ + INTEL_VGA_DEVICE(0x0152, info), /* GT1 desktop */ \ + INTEL_VGA_DEVICE(0x0162, info), /* GT2 desktop */ \ + INTEL_VGA_DEVICE(0x015a, info), /* GT1 server */ \ + INTEL_VGA_DEVICE(0x016a, info) /* GT2 server */ + +#define INTEL_IVB_Q_IDS(info) \ + INTEL_QUANTA_VGA_DEVICE(info) /* Quanta transcode */ + +#define INTEL_HSW_D_IDS(info) \ + INTEL_VGA_DEVICE(0x0402, info), /* GT1 desktop */ \ + INTEL_VGA_DEVICE(0x0412, info), /* GT2 desktop */ \ + INTEL_VGA_DEVICE(0x0422, info), /* GT3 desktop */ \ + INTEL_VGA_DEVICE(0x040a, info), /* GT1 server */ \ + INTEL_VGA_DEVICE(0x041a, info), /* GT2 server */ \ + INTEL_VGA_DEVICE(0x042a, info), /* GT3 server */ \ + INTEL_VGA_DEVICE(0x040B, info), /* GT1 reserved */ \ + INTEL_VGA_DEVICE(0x041B, info), /* GT2 reserved */ \ + INTEL_VGA_DEVICE(0x042B, info), /* GT3 reserved */ \ + INTEL_VGA_DEVICE(0x040E, info), /* GT1 reserved */ \ + INTEL_VGA_DEVICE(0x041E, info), /* GT2 reserved */ \ + INTEL_VGA_DEVICE(0x042E, info), /* GT3 reserved */ \ + INTEL_VGA_DEVICE(0x0C02, info), /* SDV GT1 desktop */ \ + INTEL_VGA_DEVICE(0x0C12, info), /* SDV GT2 desktop */ \ + INTEL_VGA_DEVICE(0x0C22, info), /* SDV GT3 desktop */ \ + INTEL_VGA_DEVICE(0x0C0A, info), /* SDV GT1 server */ \ + INTEL_VGA_DEVICE(0x0C1A, info), /* SDV GT2 server */ \ + INTEL_VGA_DEVICE(0x0C2A, info), /* SDV GT3 server */ \ + INTEL_VGA_DEVICE(0x0C0B, info), /* SDV GT1 reserved */ \ + INTEL_VGA_DEVICE(0x0C1B, info), /* SDV GT2 reserved */ \ + INTEL_VGA_DEVICE(0x0C2B, info), /* SDV GT3 reserved */ \ + INTEL_VGA_DEVICE(0x0C0E, info), /* SDV GT1 reserved */ \ + INTEL_VGA_DEVICE(0x0C1E, info), /* SDV GT2 reserved */ \ + INTEL_VGA_DEVICE(0x0C2E, info), /* SDV GT3 reserved */ \ + INTEL_VGA_DEVICE(0x0A02, info), /* ULT GT1 desktop */ \ + INTEL_VGA_DEVICE(0x0A12, info), /* ULT GT2 desktop */ \ + INTEL_VGA_DEVICE(0x0A22, info), /* ULT GT3 desktop */ \ + INTEL_VGA_DEVICE(0x0A0A, info), /* ULT GT1 server */ \ + INTEL_VGA_DEVICE(0x0A1A, info), /* ULT GT2 server */ \ + INTEL_VGA_DEVICE(0x0A2A, info), /* ULT GT3 server */ \ + INTEL_VGA_DEVICE(0x0A0B, info), /* ULT GT1 reserved */ \ + INTEL_VGA_DEVICE(0x0A1B, info), /* ULT GT2 reserved */ \ + INTEL_VGA_DEVICE(0x0A2B, info), /* ULT GT3 reserved */ \ + INTEL_VGA_DEVICE(0x0D02, info), /* CRW GT1 desktop */ \ + INTEL_VGA_DEVICE(0x0D12, info), /* CRW GT2 desktop */ \ + INTEL_VGA_DEVICE(0x0D22, info), /* CRW GT3 desktop */ \ + INTEL_VGA_DEVICE(0x0D0A, info), /* CRW GT1 server */ \ + INTEL_VGA_DEVICE(0x0D1A, info), /* CRW GT2 server */ \ + INTEL_VGA_DEVICE(0x0D2A, info), /* CRW GT3 server */ \ + INTEL_VGA_DEVICE(0x0D0B, info), /* CRW GT1 reserved */ \ + INTEL_VGA_DEVICE(0x0D1B, info), /* CRW GT2 reserved */ \ + INTEL_VGA_DEVICE(0x0D2B, info), /* CRW GT3 reserved */ \ + INTEL_VGA_DEVICE(0x0D0E, info), /* CRW GT1 reserved */ \ + INTEL_VGA_DEVICE(0x0D1E, info), /* CRW GT2 reserved */ \ + INTEL_VGA_DEVICE(0x0D2E, info) /* CRW GT3 reserved */ \ + +#define INTEL_HSW_M_IDS(info) \ + INTEL_VGA_DEVICE(0x0406, info), /* GT1 mobile */ \ + INTEL_VGA_DEVICE(0x0416, info), /* GT2 mobile */ \ + INTEL_VGA_DEVICE(0x0426, info), /* GT2 mobile */ \ + INTEL_VGA_DEVICE(0x0C06, info), /* SDV GT1 mobile */ \ + INTEL_VGA_DEVICE(0x0C16, info), /* SDV GT2 mobile */ \ + INTEL_VGA_DEVICE(0x0C26, info), /* SDV GT3 mobile */ \ + INTEL_VGA_DEVICE(0x0A06, info), /* ULT GT1 mobile */ \ + INTEL_VGA_DEVICE(0x0A16, info), /* ULT GT2 mobile */ \ + INTEL_VGA_DEVICE(0x0A26, info), /* ULT GT3 mobile */ \ + INTEL_VGA_DEVICE(0x0A0E, info), /* ULT GT1 reserved */ \ + INTEL_VGA_DEVICE(0x0A1E, info), /* ULT GT2 reserved */ \ + INTEL_VGA_DEVICE(0x0A2E, info), /* ULT GT3 reserved */ \ + INTEL_VGA_DEVICE(0x0D06, info), /* CRW GT1 mobile */ \ + INTEL_VGA_DEVICE(0x0D16, info), /* CRW GT2 mobile */ \ + INTEL_VGA_DEVICE(0x0D26, info) /* CRW GT3 mobile */ + +#define INTEL_VLV_M_IDS(info) \ + INTEL_VGA_DEVICE(0x0f30, info), \ + INTEL_VGA_DEVICE(0x0f31, info), \ + INTEL_VGA_DEVICE(0x0f32, info), \ + INTEL_VGA_DEVICE(0x0f33, info), \ + INTEL_VGA_DEVICE(0x0157, info) + +#define INTEL_VLV_D_IDS(info) \ + INTEL_VGA_DEVICE(0x0155, info) + +#endif /* _I915_PCIIDS_H */ diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index 2c02f3a..80cf817 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -65,8 +65,15 @@ struct pci_dev; * out of the arbitration process (and can be safe to take * interrupts at any time. */ +#if defined(CONFIG_VGA_ARB) extern void vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes); +#else +static inline void vga_set_legacy_decoding(struct pci_dev *pdev, + unsigned int decodes) +{ +} +#endif /** * vga_get - acquire & locks VGA resources