diff options
Diffstat (limited to 'drivers')
41 files changed, 331 insertions, 223 deletions
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c index 826ab0939a12..fab3d3265adb 100644 --- a/drivers/char/agp/intel-gtt.c +++ b/drivers/char/agp/intel-gtt.c @@ -68,6 +68,7 @@ static struct _intel_private { phys_addr_t gma_bus_addr; u32 PGETBL_save; u32 __iomem *gtt; /* I915G */ + bool clear_fake_agp; /* on first access via agp, fill with scratch */ int num_dcache_entries; union { void __iomem *i9xx_flush_page; @@ -869,21 +870,12 @@ static int intel_fake_agp_free_gatt_table(struct agp_bridge_data *bridge) static int intel_fake_agp_configure(void) { - int i; - if (!intel_enable_gtt()) return -EIO; + intel_private.clear_fake_agp = true; agp_bridge->gart_bus_addr = intel_private.gma_bus_addr; - for (i = 0; i < intel_private.base.gtt_total_entries; i++) { - intel_private.driver->write_entry(intel_private.scratch_page_dma, - i, 0); - } - readl(intel_private.gtt+i-1); /* PCI Posting. */ - - global_cache_flush(); - return 0; } @@ -945,6 +937,13 @@ static int intel_fake_agp_insert_entries(struct agp_memory *mem, { int ret = -EINVAL; + if (intel_private.clear_fake_agp) { + int start = intel_private.base.stolen_size / PAGE_SIZE; + int end = intel_private.base.gtt_mappable_entries; + intel_gtt_clear_range(start, end - start); + intel_private.clear_fake_agp = false; + } + if (INTEL_GTT_GEN == 1 && type == AGP_DCACHE_MEMORY) return i810_insert_dcache_entries(mem, pg_start, type); diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 1f46f1cd9225..36e0fa161c2b 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -364,12 +364,14 @@ unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, tpm_protected_ordinal_duration[ordinal & TPM_PROTECTED_ORDINAL_MASK]; - if (duration_idx != TPM_UNDEFINED) + if (duration_idx != TPM_UNDEFINED) { duration = chip->vendor.duration[duration_idx]; - if (duration <= 0) + /* if duration is 0, it's because chip->vendor.duration wasn't */ + /* filled yet, so we set the lowest timeout just to give enough */ + /* time for tpm_get_timeouts() to succeed */ + return (duration <= 0 ? HZ : duration); + } else return 2 * 60 * HZ; - else - return duration; } EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration); diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index c17a305ecb28..dd21df55689d 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -493,9 +493,6 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, "1.2 TPM (device-id 0x%X, rev-id %d)\n", vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0))); - if (is_itpm(to_pnp_dev(dev))) - itpm = 1; - if (itpm) dev_info(dev, "Intel iTPM workaround enabled\n"); @@ -637,6 +634,9 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev, else interrupts = 0; + if (is_itpm(pnp_dev)) + itpm = 1; + return tpm_tis_init(&pnp_dev->dev, start, len, irq); } diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index cfb0f5278415..effe7974aa9a 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -202,17 +202,21 @@ static int __init init_acpi_pm_clocksource(void) printk(KERN_INFO "PM-Timer had inconsistent results:" " 0x%#llx, 0x%#llx - aborting.\n", value1, value2); + pmtmr_ioport = 0; return -EINVAL; } if (i == ACPI_PM_READ_CHECKS) { printk(KERN_INFO "PM-Timer failed consistency check " " (0x%#llx) - aborting.\n", value1); + pmtmr_ioport = 0; return -ENODEV; } } - if (verify_pmtmr_rate() != 0) + if (verify_pmtmr_rate() != 0){ + pmtmr_ioport = 0; return -ENODEV; + } return clocksource_register_hz(&clocksource_acpi_pm, PMTMR_TICKS_PER_SEC); diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index bea966f8ac84..0902d4460039 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -100,7 +100,10 @@ config DRM_I830 config DRM_I915 tristate "i915 driver" depends on AGP_INTEL + # we need shmfs for the swappable backing store, and in particular + # the shmem_readpage() which depends upon tmpfs select SHMEM + select TMPFS select DRM_KMS_HELPER select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 844f3c972b04..17bd766f2081 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -152,7 +152,7 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) { drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; - struct intel_ring_buffer *ring = LP_RING(dev_priv); + int ret; master_priv->sarea = drm_getsarea(dev); if (master_priv->sarea) { @@ -163,33 +163,22 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) } if (init->ring_size != 0) { - if (ring->obj != NULL) { + if (LP_RING(dev_priv)->obj != NULL) { i915_dma_cleanup(dev); DRM_ERROR("Client tried to initialize ringbuffer in " "GEM mode\n"); return -EINVAL; } - ring->size = init->ring_size; - - ring->map.offset = init->ring_start; - ring->map.size = init->ring_size; - ring->map.type = 0; - ring->map.flags = 0; - ring->map.mtrr = 0; - - drm_core_ioremap_wc(&ring->map, dev); - - if (ring->map.handle == NULL) { + ret = intel_render_ring_init_dri(dev, + init->ring_start, + init->ring_size); + if (ret) { i915_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return -ENOMEM; + return ret; } } - ring->virtual_start = ring->map.handle; - dev_priv->cpp = init->cpp; dev_priv->back_offset = init->back_offset; dev_priv->front_offset = init->front_offset; @@ -1226,9 +1215,15 @@ static int i915_load_modeset_init(struct drm_device *dev) if (ret) DRM_INFO("failed to find VBIOS tables\n"); - /* if we have > 1 VGA cards, then disable the radeon VGA resources */ + /* If we have > 1 VGA cards, then we need to arbitrate access + * to the common VGA resources. + * + * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA), + * 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) + if (ret && ret != -ENODEV) goto cleanup_ringbuffer; intel_register_dsm_handler(); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 72fea2bcfc4f..66796bb82d3e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -60,7 +60,7 @@ extern int intel_agp_enabled; #define INTEL_VGA_DEVICE(id, info) { \ .class = PCI_CLASS_DISPLAY_VGA << 8, \ - .class_mask = 0xffff00, \ + .class_mask = 0xff0000, \ .vendor = 0x8086, \ .device = id, \ .subvendor = PCI_ANY_ID, \ @@ -752,6 +752,9 @@ static int __init i915_init(void) driver.driver_features &= ~DRIVER_MODESET; #endif + if (!(driver.driver_features & DRIVER_MODESET)) + driver.get_vblank_timestamp = NULL; + return drm_init(&driver); } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 5969f46ac2d6..a0149c619cdd 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -543,8 +543,11 @@ typedef struct drm_i915_private { /** List of all objects in gtt_space. Used to restore gtt * mappings on resume */ struct list_head gtt_list; - /** End of mappable part of GTT */ + + /** Usable portion of the GTT for GEM */ + unsigned long gtt_start; unsigned long gtt_mappable_end; + unsigned long gtt_end; struct io_mapping *gtt_mapping; int gtt_mtrr; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 3dfc848ff755..cf4f74c7c6fb 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -140,12 +140,16 @@ void i915_gem_do_init(struct drm_device *dev, { drm_i915_private_t *dev_priv = dev->dev_private; - drm_mm_init(&dev_priv->mm.gtt_space, start, - end - start); + drm_mm_init(&dev_priv->mm.gtt_space, start, end - start); + dev_priv->mm.gtt_start = start; + dev_priv->mm.gtt_mappable_end = mappable_end; + dev_priv->mm.gtt_end = end; dev_priv->mm.gtt_total = end - start; dev_priv->mm.mappable_gtt_total = min(end, mappable_end) - start; - dev_priv->mm.gtt_mappable_end = mappable_end; + + /* Take over this portion of the GTT */ + intel_gtt_clear_range(start / PAGE_SIZE, (end-start) / PAGE_SIZE); } int @@ -1857,7 +1861,7 @@ i915_gem_retire_requests_ring(struct drm_device *dev, seqno = ring->get_seqno(ring); - for (i = 0; i < I915_NUM_RINGS; i++) + for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) if (seqno >= ring->sync_seqno[i]) ring->sync_seqno[i] = 0; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index dcfdf4151b6d..d2f445e825f2 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1175,7 +1175,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, goto err; seqno = i915_gem_next_request_seqno(dev, ring); - for (i = 0; i < I915_NUM_RINGS-1; i++) { + for (i = 0; i < ARRAY_SIZE(ring->sync_seqno); i++) { if (seqno < ring->sync_seqno[i]) { /* The GPU can not handle its semaphore value wrapping, * so every billion or so execbuffers, we need to stall diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 70433ae50ac8..b0abdc64aa9f 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -34,6 +34,10 @@ void i915_gem_restore_gtt_mappings(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj; + /* First fill our portion of the GTT with scratch pages */ + intel_gtt_clear_range(dev_priv->mm.gtt_start / PAGE_SIZE, + (dev_priv->mm.gtt_end - dev_priv->mm.gtt_start) / PAGE_SIZE); + list_for_each_entry(obj, &dev_priv->mm.gtt_list, gtt_list) { i915_gem_clflush_object(obj); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index b8e509ae065e..062f353497e6 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -274,24 +274,35 @@ int i915_get_crtc_scanoutpos(struct drm_device *dev, int pipe, return ret; } -int i915_get_vblank_timestamp(struct drm_device *dev, int crtc, +int i915_get_vblank_timestamp(struct drm_device *dev, int pipe, int *max_error, struct timeval *vblank_time, unsigned flags) { - struct drm_crtc *drmcrtc; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; - if (crtc < 0 || crtc >= dev->num_crtcs) { - DRM_ERROR("Invalid crtc %d\n", crtc); + if (pipe < 0 || pipe >= dev_priv->num_pipe) { + DRM_ERROR("Invalid crtc %d\n", pipe); return -EINVAL; } /* Get drm_crtc to timestamp: */ - drmcrtc = intel_get_crtc_for_pipe(dev, crtc); + crtc = intel_get_crtc_for_pipe(dev, pipe); + if (crtc == NULL) { + DRM_ERROR("Invalid crtc %d\n", pipe); + return -EINVAL; + } + + if (!crtc->enabled) { + DRM_DEBUG_KMS("crtc %d is disabled\n", pipe); + return -EBUSY; + } /* Helper routine in DRM core does all the work: */ - return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error, - vblank_time, flags, drmcrtc); + return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error, + vblank_time, flags, + crtc); } /* @@ -348,8 +359,12 @@ static void notify_ring(struct drm_device *dev, struct intel_ring_buffer *ring) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 seqno = ring->get_seqno(ring); + u32 seqno; + if (ring->obj == NULL) + return; + + seqno = ring->get_seqno(ring); trace_i915_gem_request_complete(dev, seqno); ring->irq_seqno = seqno; @@ -831,6 +846,8 @@ static void i915_capture_error_state(struct drm_device *dev) i++; error->pinned_bo_count = i - error->active_bo_count; + error->active_bo = NULL; + error->pinned_bo = NULL; if (i) { error->active_bo = kmalloc(sizeof(*error->active_bo)*i, GFP_ATOMIC); @@ -1278,12 +1295,12 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr) if (master_priv->sarea_priv) master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; - ret = -ENODEV; if (ring->irq_get(ring)) { DRM_WAIT_ON(ret, ring->irq_queue, 3 * DRM_HZ, READ_BREADCRUMB(dev_priv) >= irq_nr); ring->irq_put(ring); - } + } else if (wait_for(READ_BREADCRUMB(dev_priv) >= irq_nr, 3000)) + ret = -EBUSY; if (ret == -EBUSY) { DRM_ERROR("EBUSY -- rec: %d emitted: %d\n", diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 40a407f41f61..5cfc68940f17 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -513,6 +513,10 @@ #define GEN6_BLITTER_SYNC_STATUS (1 << 24) #define GEN6_BLITTER_USER_INTERRUPT (1 << 22) +#define GEN6_BLITTER_ECOSKPD 0x221d0 +#define GEN6_BLITTER_LOCK_SHIFT 16 +#define GEN6_BLITTER_FBC_NOTIFY (1<<3) + #define GEN6_BSD_SLEEP_PSMI_CONTROL 0x12050 #define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK (1 << 16) #define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE (1 << 0) @@ -2626,6 +2630,8 @@ #define DISPLAY_PORT_PLL_BIOS_2 0x46014 #define PCH_DSPCLK_GATE_D 0x42020 +# define DPFCUNIT_CLOCK_GATE_DISABLE (1 << 9) +# define DPFCRUNIT_CLOCK_GATE_DISABLE (1 << 8) # define DPFDUNIT_CLOCK_GATE_DISABLE (1 << 7) # define DPARBUNIT_CLOCK_GATE_DISABLE (1 << 5) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 98967f3b7724..d7f237deaaf0 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1213,6 +1213,26 @@ static bool g4x_fbc_enabled(struct drm_device *dev) return I915_READ(DPFC_CONTROL) & DPFC_CTL_EN; } +static void sandybridge_blit_fbc_update(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 blt_ecoskpd; + + /* Make sure blitter notifies FBC of writes */ + __gen6_force_wake_get(dev_priv); + blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD); + blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY << + GEN6_BLITTER_LOCK_SHIFT; + I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd); + blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY; + I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd); + blt_ecoskpd &= ~(GEN6_BLITTER_FBC_NOTIFY << + GEN6_BLITTER_LOCK_SHIFT); + I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd); + POSTING_READ(GEN6_BLITTER_ECOSKPD); + __gen6_force_wake_put(dev_priv); +} + static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) { struct drm_device *dev = crtc->dev; @@ -1266,6 +1286,7 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) I915_WRITE(SNB_DPFC_CTL_SA, SNB_CPU_FENCE_ENABLE | dev_priv->cfb_fence); I915_WRITE(DPFC_CPU_FENCE_OFFSET, crtc->y); + sandybridge_blit_fbc_update(dev); } DRM_DEBUG_KMS("enabled fbc on plane %d\n", intel_crtc->plane); @@ -6286,7 +6307,9 @@ void intel_enable_clock_gating(struct drm_device *dev) if (IS_GEN5(dev)) { /* Required for FBC */ - dspclk_gate |= DPFDUNIT_CLOCK_GATE_DISABLE; + dspclk_gate |= DPFCUNIT_CLOCK_GATE_DISABLE | + DPFCRUNIT_CLOCK_GATE_DISABLE | + DPFDUNIT_CLOCK_GATE_DISABLE; /* Required for CxSR */ dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE; diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index f295a7aaadf9..64fd64443ca6 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -26,6 +26,7 @@ */ #include <linux/acpi.h> +#include <linux/acpi_io.h> #include <acpi/video.h> #include "drmP.h" @@ -476,7 +477,7 @@ int intel_opregion_setup(struct drm_device *dev) return -ENOTSUPP; } - base = ioremap(asls, OPREGION_SIZE); + base = acpi_os_ioremap(asls, OPREGION_SIZE); if (!base) return -ENOMEM; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index f6b9baa6a63d..6218fa97aa1e 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -34,6 +34,14 @@ #include "i915_trace.h" #include "intel_drv.h" +static inline int ring_space(struct intel_ring_buffer *ring) +{ + int space = (ring->head & HEAD_ADDR) - (ring->tail + 8); + if (space < 0) + space += ring->size; + return space; +} + static u32 i915_gem_get_seqno(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; @@ -204,11 +212,9 @@ static int init_ring_common(struct intel_ring_buffer *ring) if (!drm_core_check_feature(ring->dev, DRIVER_MODESET)) i915_kernel_lost_context(ring->dev); else { - ring->head = I915_READ_HEAD(ring) & HEAD_ADDR; + ring->head = I915_READ_HEAD(ring); ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->size; + ring->space = ring_space(ring); } return 0; @@ -921,32 +927,34 @@ static int intel_wrap_ring_buffer(struct intel_ring_buffer *ring) } ring->tail = 0; - ring->space = ring->head - 8; + ring->space = ring_space(ring); return 0; } int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n) { - int reread = 0; struct drm_device *dev = ring->dev; struct drm_i915_private *dev_priv = dev->dev_private; unsigned long end; u32 head; + /* If the reported head position has wrapped or hasn't advanced, + * fallback to the slow and accurate path. + */ + head = intel_read_status_page(ring, 4); + if (head > ring->head) { + ring->head = head; + ring->space = ring_space(ring); + if (ring->space >= n) + return 0; + } + trace_i915_ring_wait_begin (dev); end = jiffies + 3 * HZ; do { - /* If the reported head position has wrapped or hasn't advanced, - * fallback to the slow and accurate path. - */ - head = intel_read_status_page(ring, 4); - if (reread) - head = I915_READ_HEAD(ring); - ring->head = head & HEAD_ADDR; - ring->space = ring->head - (ring->tail + 8); - if (ring->space < 0) - ring->space += ring->size; + ring->head = I915_READ_HEAD(ring); + ring->space = ring_space(ring); if (ring->space >= n) { trace_i915_ring_wait_end(dev); return 0; @@ -961,7 +969,6 @@ int intel_wait_ring_buffer(struct intel_ring_buffer *ring, int n) msleep(1); if (atomic_read(&dev_priv->mm.wedged)) return -EAGAIN; - reread = 1; } while (!time_after(jiffies, end)); trace_i915_ring_wait_end (dev); return -EBUSY; @@ -1292,6 +1299,48 @@ int intel_init_render_ring_buffer(struct drm_device *dev) return intel_init_ring_buffer(dev, ring); } +int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + struct intel_ring_buffer *ring = &dev_priv->ring[RCS]; + + *ring = render_ring; + if (INTEL_INFO(dev)->gen >= 6) { + ring->add_request = gen6_add_request; + ring->irq_get = gen6_render_ring_get_irq; + ring->irq_put = gen6_render_ring_put_irq; + } else if (IS_GEN5(dev)) { + ring->add_request = pc_render_add_request; + ring->get_seqno = pc_render_get_seqno; + } + + ring->dev = dev; + INIT_LIST_HEAD(&ring->active_list); + INIT_LIST_HEAD(&ring->request_list); + INIT_LIST_HEAD(&ring->gpu_write_list); + + ring->size = size; + ring->effective_size = ring->size; + if (IS_I830(ring->dev)) + ring->effective_size -= 128; + + ring->map.offset = start; + ring->map.size = size; + ring->map.type = 0; + ring->map.flags = 0; + ring->map.mtrr = 0; + + drm_core_ioremap_wc(&ring->map, dev); + if (ring->map.handle == NULL) { + DRM_ERROR("can not ioremap virtual address for" + " ring buffer\n"); + return -ENOMEM; + } + + ring->virtual_start = (void __force __iomem *)ring->map.handle; + return 0; +} + int intel_init_bsd_ring_buffer(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 5b0abfa881fc..6d6fde85a636 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -166,4 +166,7 @@ int intel_init_blt_ring_buffer(struct drm_device *dev); u32 intel_ring_get_active_head(struct intel_ring_buffer *ring); void intel_ring_setup_status_page(struct intel_ring_buffer *ring); +/* DRI warts */ +int intel_render_ring_init_dri(struct drm_device *dev, u64 start, u32 size); + #endif /* _INTEL_RINGBUFFER_H_ */ diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index b0ab185b86f6..d3ca17080df7 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -606,14 +606,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, args.v1.usPixelClock = cpu_to_le16(mode->clock / 10); args.v1.ucTransmitterID = radeon_encoder->encoder_id; args.v1.ucEncodeMode = encoder_mode; - if (encoder_mode == ATOM_ENCODER_MODE_DP) { - if (ss_enabled) - args.v1.ucConfig |= - ADJUST_DISPLAY_CONFIG_SS_ENABLE; - } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) { + if (ss_enabled) args.v1.ucConfig |= ADJUST_DISPLAY_CONFIG_SS_ENABLE; - } atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); @@ -624,12 +619,12 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; args.v3.sInput.ucEncodeMode = encoder_mode; args.v3.sInput.ucDispPllConfig = 0; + if (ss_enabled) + args.v3.sInput.ucDispPllConfig |= + DISPPLL_CONFIG_SS_ENABLE; if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; if (encoder_mode == ATOM_ENCODER_MODE_DP) { - if (ss_enabled) - args.v3.sInput.ucDispPllConfig |= - DISPPLL_CONFIG_SS_ENABLE; args.v3.sInput.ucDispPllConfig |= DISPPLL_CONFIG_COHERENT_MODE; /* 16200 or 27000 */ @@ -649,18 +644,11 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, } } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { if (encoder_mode == ATOM_ENCODER_MODE_DP) { - if (ss_enabled) - args.v3.sInput.ucDispPllConfig |= - DISPPLL_CONFIG_SS_ENABLE; args.v3.sInput.ucDispPllConfig |= DISPPLL_CONFIG_COHERENT_MODE; /* 16200 or 27000 */ args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); - } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) { - if (ss_enabled) - args.v3.sInput.ucDispPllConfig |= - DISPPLL_CONFIG_SS_ENABLE; - } else { + } else if (encoder_mode != ATOM_ENCODER_MODE_LVDS) { if (mode->clock > 165000) args.v3.sInput.ucDispPllConfig |= DISPPLL_CONFIG_DUAL_LINK; diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index a8973acb3987..677af91b555c 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2201,6 +2201,9 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev) struct evergreen_mc_save save; u32 grbm_reset = 0; + if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) + return 0; + dev_info(rdev->dev, "GPU softreset \n"); dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", RREG32(GRBM_STATUS)); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 46da5142b131..5968dde243e9 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -3522,7 +3522,7 @@ int r100_ring_test(struct radeon_device *rdev) if (i < rdev->usec_timeout) { DRM_INFO("ring test succeeded in %d usecs\n", i); } else { - DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n", + DRM_ERROR("radeon: ring test failed (scratch(0x%04X)=0x%08X)\n", scratch, tmp); r = -EINVAL; } diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index aca2236268fa..1e10e3e2ba2a 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1287,6 +1287,9 @@ int r600_gpu_soft_reset(struct radeon_device *rdev) S_008014_CB2_BUSY(1) | S_008014_CB3_BUSY(1); u32 tmp; + if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) + return 0; + dev_info(rdev->dev, "GPU softreset \n"); dev_info(rdev->dev, " R_008010_GRBM_STATUS=0x%08X\n", RREG32(R_008010_GRBM_STATUS)); diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 1573202a6418..52777902bbcc 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -387,15 +387,11 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev, *line_mux = 0x90; } - /* mac rv630 */ - if ((dev->pdev->device == 0x9588) && - (dev->pdev->subsystem_vendor == 0x106b) && - (dev->pdev->subsystem_device == 0x00a6)) { - if ((supported_device == ATOM_DEVICE_TV1_SUPPORT) && - (*connector_type == DRM_MODE_CONNECTOR_DVII)) { - *connector_type = DRM_MODE_CONNECTOR_9PinDIN; - *line_mux = CONNECTOR_7PIN_DIN_ENUM_ID1; - } + /* mac rv630, rv730, others */ + if ((supported_device == ATOM_DEVICE_TV1_SUPPORT) && + (*connector_type == DRM_MODE_CONNECTOR_DVII)) { + *connector_type = DRM_MODE_CONNECTOR_9PinDIN; + *line_mux = CONNECTOR_7PIN_DIN_ENUM_ID1; } /* ASUS HD 3600 XT board lists the DVI port as HDMI */ diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index d5680a0c87af..275b26a708d6 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -48,7 +48,7 @@ * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs - * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK + * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query */ #define KMS_DRIVER_MAJOR 2 #define KMS_DRIVER_MINOR 8 diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c index a289646e8aa4..9ec830c77af0 100644 --- a/drivers/gpu/drm/radeon/radeon_irq_kms.c +++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c @@ -110,11 +110,14 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev) int radeon_irq_kms_init(struct radeon_device *rdev) { + int i; int r = 0; INIT_WORK(&rdev->hotplug_work, radeon_hotplug_work_func); spin_lock_init(&rdev->irq.sw_lock); + for (i = 0; i < rdev->num_crtc; i++) + spin_lock_init(&rdev->irq.pflip_lock[i]); r = drm_vblank_init(rdev->ddev, rdev->num_crtc); if (r) { return r; diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 28a53e4a925f..98321298cffd 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -201,6 +201,10 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) } radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value); break; + case RADEON_INFO_CLOCK_CRYSTAL_FREQ: + /* return clock value in KHz */ + value = rdev->clock.spll.reference_freq * 10; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c index c380c65da417..ace2b1623b21 100644 --- a/drivers/gpu/vga/vgaarb.c +++ b/drivers/gpu/vga/vgaarb.c @@ -636,7 +636,7 @@ int vga_client_register(struct pci_dev *pdev, void *cookie, void (*irq_set_state)(void *cookie, bool state), unsigned int (*set_vga_decode)(void *cookie, bool decode)) { - int ret = -1; + int ret = -ENODEV; struct vga_device *vgadev; unsigned long flags; diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 7acb32e7f817..1fa091e05690 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -263,7 +263,7 @@ static void __setup_broadcast_timer(void *arg) clockevents_notify(reason, &cpu); } -static int __cpuinit setup_broadcast_cpuhp_notify(struct notifier_block *n, +static int setup_broadcast_cpuhp_notify(struct notifier_block *n, unsigned long action, void *hcpu) { int hotcpu = (unsigned long)hcpu; @@ -273,15 +273,11 @@ static int __cpuinit setup_broadcast_cpuhp_notify(struct notifier_block *n, smp_call_function_single(hotcpu, __setup_broadcast_timer, (void *)true, 1); break; - case CPU_DOWN_PREPARE: - smp_call_function_single(hotcpu, __setup_broadcast_timer, - (void *)false, 1); - break; } return NOTIFY_OK; } -static struct notifier_block __cpuinitdata setup_broadcast_notifier = { +static struct notifier_block setup_broadcast_notifier = { .notifier_call = setup_broadcast_cpuhp_notify, }; diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c index 5decfd0bd61d..153ab977a013 100644 --- a/drivers/mmc/host/msm_sdcc.c +++ b/drivers/mmc/host/msm_sdcc.c @@ -383,14 +383,30 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data) host->curr.user_pages = 0; box = &nc->cmd[0]; - for (i = 0; i < host->dma.num_ents; i++) { - box->cmd = CMD_MODE_BOX; - /* Initialize sg dma address */ - sg->dma_address = page_to_dma(mmc_dev(host->mmc), sg_page(sg)) - + sg->offset; + /* location of command block must be 64 bit aligned */ + BUG_ON(host->dma.cmd_busaddr & 0x07); - if (i == (host->dma.num_ents - 1)) + nc->cmdptr = (host->dma.cmd_busaddr >> 3) | CMD_PTR_LP; + host->dma.hdr.cmdptr = DMOV_CMD_PTR_LIST | + DMOV_CMD_ADDR(host->dma.cmdptr_busaddr); + host->dma.hdr.complete_func = msmsdcc_dma_complete_func; + + n = dma_map_sg(mmc_dev(host->mmc), host->dma.sg, + host->dma.num_ents, host->dma.dir); + if (n == 0) { + printk(KERN_ERR "%s: Unable to map in all sg elements\n", + mmc_hostname(host->mmc)); + host->dma.sg = NULL; + host->dma.num_ents = 0; + return -ENOMEM; + } + + for_each_sg(host->dma.sg, sg, n, i) { + + box->cmd = CMD_MODE_BOX; + + if (i == n - 1) box->cmd |= CMD_LC; rows = (sg_dma_len(sg) % MCI_FIFOSIZE) ? (sg_dma_len(sg) / MCI_FIFOSIZE) + 1 : @@ -418,27 +434,6 @@ static int msmsdcc_config_dma(struct msmsdcc_host *host, struct mmc_data *data) box->cmd |= CMD_DST_CRCI(crci); } box++; - sg++; - } - - /* location of command block must be 64 bit aligned */ - BUG_ON(host->dma.cmd_busaddr & 0x07); - - nc->cmdptr = (host->dma.cmd_busaddr >> 3) | CMD_PTR_LP; - host->dma.hdr.cmdptr = DMOV_CMD_PTR_LIST | - DMOV_CMD_ADDR(host->dma.cmdptr_busaddr); - host->dma.hdr.complete_func = msmsdcc_dma_complete_func; - - n = dma_map_sg(mmc_dev(host->mmc), host->dma.sg, - host->dma.num_ents, host->dma.dir); -/* dsb inside dma_map_sg will write nc out to mem as well */ - - if (n != host->dma.num_ents) { - printk(KERN_ERR "%s: Unable to map in all sg elements\n", - mmc_hostname(host->mmc)); - host->dma.sg = NULL; - host->dma.num_ents = 0; - return -ENOMEM; } return 0; @@ -1331,9 +1326,6 @@ msmsdcc_probe(struct platform_device *pdev) if (host->timer.function) pr_info("%s: Polling status mode enabled\n", mmc_hostname(mmc)); -#if BUSCLK_PWRSAVE - msmsdcc_disable_clocks(host, 1); -#endif return 0; cmd_irq_free: free_irq(cmd_irqres->start, host); diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c index 62d6f88cbab5..aa07657744c3 100644 --- a/drivers/net/arm/ks8695net.c +++ b/drivers/net/arm/ks8695net.c @@ -1644,7 +1644,7 @@ ks8695_cleanup(void) module_init(ks8695_init); module_exit(ks8695_cleanup); -MODULE_AUTHOR("Simtec Electronics") +MODULE_AUTHOR("Simtec Electronics"); MODULE_DESCRIPTION("Micrel KS8695 (Centaur) Ethernet driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" MODULENAME); diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 1752ef006d26..f374c5961b32 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -161,7 +161,7 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id) { int i, nc, bytes, d; u32 offset = 0; - u32 err = 0; + int err; u8 cbuf[IPC_WWBUF_SIZE] = { }; u32 *wbuf = (u32 *)&cbuf; @@ -404,7 +404,7 @@ EXPORT_SYMBOL(intel_scu_ipc_update_register); */ int intel_scu_ipc_simple_command(int cmd, int sub) { - u32 err = 0; + int err; mutex_lock(&ipclock); if (ipcdev.pdev == NULL) { @@ -434,8 +434,7 @@ EXPORT_SYMBOL(intel_scu_ipc_simple_command); int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen, u32 *out, int outlen) { - u32 err = 0; - int i = 0; + int i, err; mutex_lock(&ipclock); if (ipcdev.pdev == NULL) { diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c index ba3231d0819e..b93a03259c16 100644 --- a/drivers/platform/x86/intel_scu_ipcutil.c +++ b/drivers/platform/x86/intel_scu_ipcutil.c @@ -128,6 +128,6 @@ static void __exit ipc_module_exit(void) module_init(ipc_module_init); module_exit(ipc_module_exit); -MODULE_LICENSE("GPL V2"); +MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Utility driver for intel scu ipc"); MODULE_AUTHOR("Sreedhara <sreedhara.ds@intel.com>"); diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c index 467e82bd0929..a50391b6ba2a 100644 --- a/drivers/rapidio/rio-scan.c +++ b/drivers/rapidio/rio-scan.c @@ -943,6 +943,8 @@ static int rio_enum_complete(struct rio_mport *port) * @port: Master port to send transactions * @destid: Current destination ID in network * @hopcount: Number of hops into the network + * @prev: previous rio_dev + * @prev_port: previous port number * * Recursively discovers a RIO network. Transactions are sent via the * master port passed in @port. diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 4941cade319f..cdd97192dc69 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -97,18 +97,6 @@ config RTC_INTF_DEV If unsure, say Y. -config RTC_INTF_DEV_UIE_EMUL - bool "RTC UIE emulation on dev interface" - depends on RTC_INTF_DEV - help - Provides an emulation for RTC_UIE if the underlying rtc chip - driver does not expose RTC_UIE ioctls. Those requests generate - once-per-second update interrupts, used for synchronization. - - The emulation code will read the time from the hardware - clock several times per second, please enable this option - only if you know that you really need it. - config RTC_DRV_TEST tristate "Test driver/device" help diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 90384b9f6b2c..925006d33109 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -16,6 +16,9 @@ #include <linux/log2.h> #include <linux/workqueue.h> +static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer); +static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer); + static int __rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm) { int err; @@ -120,12 +123,18 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) err = mutex_lock_interruptible(&rtc->ops_lock); if (err) return err; - alarm->enabled = rtc->aie_timer.enabled; - if (alarm->enabled) + if (rtc->ops == NULL) + err = -ENODEV; + else if (!rtc->ops->read_alarm) + err = -EINVAL; + else { + memset(alarm, 0, sizeof(struct rtc_wkalrm)); + alarm->enabled = rtc->aie_timer.enabled; alarm->time = rtc_ktime_to_tm(rtc->aie_timer.node.expires); + } mutex_unlock(&rtc->ops_lock); - return 0; + return err; } EXPORT_SYMBOL_GPL(rtc_read_alarm); @@ -175,16 +184,14 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) return err; if (rtc->aie_timer.enabled) { rtc_timer_remove(rtc, &rtc->aie_timer); - rtc->aie_timer.enabled = 0; } rtc->aie_timer.node.expires = rtc_tm_to_ktime(alarm->time); rtc->aie_timer.period = ktime_set(0, 0); if (alarm->enabled) { - rtc->aie_timer.enabled = 1; - rtc_timer_enqueue(rtc, &rtc->aie_timer); + err = rtc_timer_enqueue(rtc, &rtc->aie_timer); } mutex_unlock(&rtc->ops_lock); - return 0; + return err; } EXPORT_SYMBOL_GPL(rtc_set_alarm); @@ -195,15 +202,15 @@ int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled) return err; if (rtc->aie_timer.enabled != enabled) { - if (enabled) { - rtc->aie_timer.enabled = 1; - rtc_timer_enqueue(rtc, &rtc->aie_timer); - } else { + if (enabled) + err = rtc_timer_enqueue(rtc, &rtc->aie_timer); + else rtc_timer_remove(rtc, &rtc->aie_timer); - rtc->aie_timer.enabled = 0; - } } + if (err) + return err; + if (!rtc->ops) err = -ENODEV; else if (!rtc->ops->alarm_irq_enable) @@ -235,12 +242,9 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) now = rtc_tm_to_ktime(tm); rtc->uie_rtctimer.node.expires = ktime_add(now, onesec); rtc->uie_rtctimer.period = ktime_set(1, 0); - rtc->uie_rtctimer.enabled = 1; - rtc_timer_enqueue(rtc, &rtc->uie_rtctimer); - } else { + err = rtc_timer_enqueue(rtc, &rtc->uie_rtctimer); + } else rtc_timer_remove(rtc, &rtc->uie_rtctimer); - rtc->uie_rtctimer.enabled = 0; - } out: mutex_unlock(&rtc->ops_lock); @@ -488,10 +492,13 @@ EXPORT_SYMBOL_GPL(rtc_irq_set_freq); * Enqueues a timer onto the rtc devices timerqueue and sets * the next alarm event appropriately. * + * Sets the enabled bit on the added timer. + * * Must hold ops_lock for proper serialization of timerqueue */ -void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) +static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) { + timer->enabled = 1; timerqueue_add(&rtc->timerqueue, &timer->node); if (&timer->node == timerqueue_getnext(&rtc->timerqueue)) { struct rtc_wkalrm alarm; @@ -501,7 +508,13 @@ void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) err = __rtc_set_alarm(rtc, &alarm); if (err == -ETIME) schedule_work(&rtc->irqwork); + else if (err) { + timerqueue_del(&rtc->timerqueue, &timer->node); + timer->enabled = 0; + return err; + } } + return 0; } /** @@ -512,13 +525,15 @@ void rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) * Removes a timer onto the rtc devices timerqueue and sets * the next alarm event appropriately. * + * Clears the enabled bit on the removed timer. + * * Must hold ops_lock for proper serialization of timerqueue */ -void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer) +static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer) { struct timerqueue_node *next = timerqueue_getnext(&rtc->timerqueue); timerqueue_del(&rtc->timerqueue, &timer->node); - + timer->enabled = 0; if (next == &timer->node) { struct rtc_wkalrm alarm; int err; @@ -626,8 +641,7 @@ int rtc_timer_start(struct rtc_device *rtc, struct rtc_timer* timer, timer->node.expires = expires; timer->period = period; - timer->enabled = 1; - rtc_timer_enqueue(rtc, timer); + ret = rtc_timer_enqueue(rtc, timer); mutex_unlock(&rtc->ops_lock); return ret; @@ -645,7 +659,6 @@ int rtc_timer_cancel(struct rtc_device *rtc, struct rtc_timer* timer) mutex_lock(&rtc->ops_lock); if (timer->enabled) rtc_timer_remove(rtc, timer); - timer->enabled = 0; mutex_unlock(&rtc->ops_lock); return ret; } diff --git a/drivers/sh/intc/chip.c b/drivers/sh/intc/chip.c index de885a0f917a..f33e2dd97934 100644 --- a/drivers/sh/intc/chip.c +++ b/drivers/sh/intc/chip.c @@ -173,7 +173,8 @@ int intc_set_priority(unsigned int irq, unsigned int prio) return 0; } -#define VALID(x) (x | 0x80) +#define SENSE_VALID_FLAG 0x80 +#define VALID(x) (x | SENSE_VALID_FLAG) static unsigned char intc_irq_sense_table[IRQ_TYPE_SENSE_MASK + 1] = { [IRQ_TYPE_EDGE_FALLING] = VALID(0), @@ -201,7 +202,8 @@ static int intc_set_type(struct irq_data *data, unsigned int type) ihp = intc_find_irq(d->sense, d->nr_sense, irq); if (ihp) { addr = INTC_REG(d, _INTC_ADDR_E(ihp->handle), 0); - intc_reg_fns[_INTC_FN(ihp->handle)](addr, ihp->handle, value); + intc_reg_fns[_INTC_FN(ihp->handle)](addr, ihp->handle, + value & ~SENSE_VALID_FLAG); } return 0; diff --git a/drivers/video/bf537-lq035.c b/drivers/video/bf537-lq035.c index 18c507874ff1..47c21fb2c82f 100644 --- a/drivers/video/bf537-lq035.c +++ b/drivers/video/bf537-lq035.c @@ -696,6 +696,7 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev) { struct backlight_properties props; dma_addr_t dma_handle; + int ret; if (request_dma(CH_PPI, KBUILD_MODNAME)) { pr_err("couldn't request PPI DMA\n"); @@ -704,17 +705,16 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev) if (request_ports()) { pr_err("couldn't request gpio port\n"); - free_dma(CH_PPI); - return -EFAULT; + ret = -EFAULT; + goto out_ports; } fb_buffer = dma_alloc_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, &dma_handle, GFP_KERNEL); if (fb_buffer == NULL) { pr_err("couldn't allocate dma buffer\n"); - free_dma(CH_PPI); - free_ports(); - return -ENOMEM; + ret = -ENOMEM; + goto out_dma_coherent; } if (L1_DATA_A_LENGTH) @@ -725,10 +725,8 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev) if (dma_desc_table == NULL) { pr_err("couldn't allocate dma descriptor\n"); - free_dma(CH_PPI); - free_ports(); - dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0); - return -ENOMEM; + ret = -ENOMEM; + goto out_table; } bfin_lq035_fb.screen_base = (void *)fb_buffer; @@ -771,31 +769,21 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev) bfin_lq035_fb.pseudo_palette = kzalloc(sizeof(u32) * 16, GFP_KERNEL); if (bfin_lq035_fb.pseudo_palette == NULL) { pr_err("failed to allocate pseudo_palette\n"); - free_dma(CH_PPI); - free_ports(); - dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0); - return -ENOMEM; + ret = -ENOMEM; + goto out_palette; } if (fb_alloc_cmap(&bfin_lq035_fb.cmap, NBR_PALETTE, 0) < 0) { pr_err("failed to allocate colormap (%d entries)\n", NBR_PALETTE); - free_dma(CH_PPI); - free_ports(); - dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0); - kfree(bfin_lq035_fb.pseudo_palette); - return -EFAULT; + ret = -EFAULT; + goto out_cmap; } if (register_framebuffer(&bfin_lq035_fb) < 0) { pr_err("unable to register framebuffer\n"); - free_dma(CH_PPI); - free_ports(); - dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0); - fb_buffer = NULL; - kfree(bfin_lq035_fb.pseudo_palette); - fb_dealloc_cmap(&bfin_lq035_fb.cmap); - return -EINVAL; + ret = -EINVAL; + goto out_reg; } i2c_add_driver(&ad5280_driver); @@ -807,11 +795,31 @@ static int __devinit bfin_lq035_probe(struct platform_device *pdev) lcd_dev = lcd_device_register(KBUILD_MODNAME, &pdev->dev, NULL, &bfin_lcd_ops); + if (IS_ERR(lcd_dev)) { + pr_err("unable to register lcd\n"); + ret = PTR_ERR(lcd_dev); + goto out_lcd; + } lcd_dev->props.max_contrast = 255, pr_info("initialized"); return 0; +out_lcd: + unregister_framebuffer(&bfin_lq035_fb); +out_reg: + fb_dealloc_cmap(&bfin_lq035_fb.cmap); +out_cmap: + kfree(bfin_lq035_fb.pseudo_palette); +out_palette: +out_table: + dma_free_coherent(NULL, TOTAL_VIDEO_MEM_SIZE, fb_buffer, 0); + fb_buffer = NULL; +out_dma_coherent: + free_ports(); +out_ports: + free_dma(CH_PPI); + return ret; } static int __devexit bfin_lq035_remove(struct platform_device *pdev) diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index c97491b8b39b..915fd74da7a2 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -202,11 +202,7 @@ static void vgacon_scrollback_init(int pitch) } } -/* - * Called only duing init so call of alloc_bootmen is ok. - * Marked __init_refok to silence modpost. - */ -static void __init_refok vgacon_scrollback_startup(void) +static void vgacon_scrollback_startup(void) { vgacon_scrollback = kcalloc(CONFIG_VGACON_SOFT_SCROLLBACK_SIZE, 1024, GFP_NOWAIT); vgacon_scrollback_init(vga_video_num_columns * 2); diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index c265aed09e04..520047ac6e3e 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -1092,9 +1092,10 @@ static int __init fb_probe(struct platform_device *device) irq_freq: #ifdef CONFIG_CPU_FREQ + lcd_da8xx_cpufreq_deregister(par); +#endif err_cpu_freq: unregister_framebuffer(da8xx_fb_info); -#endif err_dealloc_cmap: fb_dealloc_cmap(&da8xx_fb_info->cmap); diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c index 62498bd662fc..f838d9e277f0 100644 --- a/drivers/video/nuc900fb.c +++ b/drivers/video/nuc900fb.c @@ -696,6 +696,8 @@ static int nuc900fb_remove(struct platform_device *pdev) nuc900fb_stop_lcd(fbinfo); msleep(1); + unregister_framebuffer(fbinfo); + nuc900fb_cpufreq_deregister(fbi); nuc900fb_unmap_video_memory(fbinfo); iounmap(fbi->io); @@ -723,7 +725,7 @@ static int nuc900fb_suspend(struct platform_device *dev, pm_message_t state) struct fb_info *fbinfo = platform_get_drvdata(dev); struct nuc900fb_info *info = fbinfo->par; - nuc900fb_stop_lcd(); + nuc900fb_stop_lcd(fbinfo); msleep(1); clk_disable(info->clk); return 0; @@ -740,7 +742,7 @@ static int nuc900fb_resume(struct platform_device *dev) msleep(1); nuc900fb_init_registers(fbinfo); - nuc900fb_activate_var(bfinfo); + nuc900fb_activate_var(fbinfo); return 0; } diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c index cea6403ae71c..35f61dd0cb3a 100644 --- a/drivers/video/pxa168fb.c +++ b/drivers/video/pxa168fb.c @@ -701,16 +701,12 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev) */ pxa168fb_init_mode(info, mi); - ret = pxa168fb_check_var(&info->var, info); - if (ret) - goto failed_free_fbmem; - /* * Fill in sane defaults. */ ret = pxa168fb_check_var(&info->var, info); if (ret) - goto failed; + goto failed_free_fbmem; /* * enable controller clock diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c index b81168df253d..cf4beb9dc9bb 100644 --- a/drivers/video/pxa3xx-gcu.c +++ b/drivers/video/pxa3xx-gcu.c @@ -1,5 +1,5 @@ /* - * pxa3xx-gc.c - Linux kernel module for PXA3xx graphics controllers + * pxa3xx-gcu.c - Linux kernel module for PXA3xx graphics controllers * * This driver needs a DirectFB counterpart in user space, communication * is handled via mmap()ed memory areas and an ioctl. @@ -421,7 +421,7 @@ pxa3xx_gcu_misc_write(struct file *filp, const char *buff, buffer->next = priv->free; priv->free = buffer; spin_unlock_irqrestore(&priv->spinlock, flags); - return ret; + return -EFAULT; } buffer->length = words; |
