Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm: fix "persistant" typo
  drm/radeon/kms: add some new ontario pci ids
  drm/radeon/kms: pageflipping cleanup for avivo+
  drm/radeon/kms: Add support for tv-out dongle on G5 9600
  drm: export drm_find_cea_extension to drivers
  drm/radeon/kms: add some sanity checks to obj info record parsingi (v2)
  drm/i915: Reset GMBUS controller after NAK
  drm/i915: Busy-spin wait_for condition in atomic contexts
  drm/i915/lvds: Always return connected in the absence of better information

16 files changed, 94 insertions, 67 deletions

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 9c595e3b9c20..adc9358c9bec 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -1297,7 +1297,7 @@ add_detailed_modes(struct drm_connector *connector, struct edid *edid,
 /**
  * Search EDID for CEA extension block.
  */
-static u8 *drm_find_cea_extension(struct edid *edid)
+u8 *drm_find_cea_extension(struct edid *edid)
 {
         u8 *edid_ext = NULL;
         int i;
@@ -1318,6 +1318,7 @@ static u8 *drm_find_cea_extension(struct edid *edid)
 
         return edid_ext;
 }
+EXPORT_SYMBOL(drm_find_cea_extension);
 
 /**
  * drm_detect_hdmi_monitor - detect whether monitor is hdmi.
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5daa991cb287..f5b0d8306d83 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -39,7 +39,7 @@
                         ret__ = -ETIMEDOUT;                             \
                         break;                                          \
                 }                                                       \
-                if (W && !in_dbg_master()) msleep(W);                   \
+                if (W && !(in_atomic() || in_dbg_master())) msleep(W);  \
         }                                                               \
         ret__;                                                          \
 })
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 82d04c5899d2..d3b903bce7c5 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -259,7 +259,7 @@ gmbus_xfer(struct i2c_adapter *adapter,
                                 if (wait_for(I915_READ(GMBUS2 + reg_offset) & (GMBUS_SATOER | GMBUS_HW_RDY), 50))
                                         goto timeout;
                                 if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER)
-                                        return 0;
+                                        goto clear_err;
 
                                 val = I915_READ(GMBUS3 + reg_offset);
                                 do {
@@ -287,7 +287,7 @@ gmbus_xfer(struct i2c_adapter *adapter,
                                 if (wait_for(I915_READ(GMBUS2 + reg_offset) & (GMBUS_SATOER | GMBUS_HW_RDY), 50))
                                         goto timeout;
                                 if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER)
-                                        return 0;
+                                        goto clear_err;
 
                                 val = loop = 0;
                                 do {
@@ -302,14 +302,31 @@ gmbus_xfer(struct i2c_adapter *adapter,
                 if (i + 1 < num && wait_for(I915_READ(GMBUS2 + reg_offset) & (GMBUS_SATOER | GMBUS_HW_WAIT_PHASE), 50))
                         goto timeout;
                 if (I915_READ(GMBUS2 + reg_offset) & GMBUS_SATOER)
-                        return 0;
+                        goto clear_err;
         }
 
-        return num;
+        goto done;
+
+clear_err:
+        /* Toggle the Software Clear Interrupt bit. This has the effect
+         * of resetting the GMBUS controller and so clearing the
+         * BUS_ERROR raised by the slave's NAK.
+         */
+        I915_WRITE(GMBUS1 + reg_offset, GMBUS_SW_CLR_INT);
+        I915_WRITE(GMBUS1 + reg_offset, 0);
+
+done:
+        /* Mark the GMBUS interface as disabled. We will re-enable it at the
+         * start of the next xfer, till then let it sleep.
+         */
+        I915_WRITE(GMBUS0 + reg_offset, 0);
+        return i;
 
 timeout:
         DRM_INFO("GMBUS timed out, falling back to bit banging on pin %d [%s]\n",
                  bus->reg0 & 0xff, bus->adapter.name);
+        I915_WRITE(GMBUS0 + reg_offset, 0);
+
         /* Hardware may not support GMBUS over these pins? Try GPIO bitbanging instead. */
         bus->force_bit = intel_gpio_create(dev_priv, bus->reg0 & 0xff);
         if (!bus->force_bit)
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 1a311ad01116..86cd30bcb619 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -473,19 +473,13 @@ static enum drm_connector_status
 intel_lvds_detect(struct drm_connector *connector, bool force)
 {
         struct drm_device *dev = connector->dev;
-        enum drm_connector_status status = connector_status_connected;
+        enum drm_connector_status status;
 
         status = intel_panel_detect(dev);
         if (status != connector_status_unknown)
                 return status;
 
-        /* ACPI lid methods were generally unreliable in this generation, so
-         * don't even bother.
-         */
-        if (IS_GEN2(dev) || IS_GEN3(dev))
-                return connector_status_connected;
-
-        return status;
+        return connector_status_connected;
 }
 
 /**
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index e8b04f4aed7e..b52e46018245 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -97,7 +97,7 @@ nouveau_gem_new(struct drm_device *dev, struct nouveau_channel *chan,
                 return -ENOMEM;
         }
 
-        nvbo->bo.persistant_swap_storage = nvbo->gem->filp;
+        nvbo->bo.persistent_swap_storage = nvbo->gem->filp;
         nvbo->gem->driver_private = nvbo;
         return 0;
 }
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 10e41af6b026..b41ec59c7100 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1009,6 +1009,7 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
         uint64_t fb_location;
         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
         u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
+        u32 tmp;
         int r;
 
         /* no fb bound */
@@ -1137,6 +1138,15 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
         WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
 
+        /* pageflip setup */
+        /* make sure flip is at vb rather than hb */
+        tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
+        tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
+        WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
+
+        /* set pageflip to happen anywhere in vblank interval */
+        WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
+
         if (!atomic && fb && fb != crtc->fb) {
                 radeon_fb = to_radeon_framebuffer(fb);
                 rbo = gem_to_radeon_bo(radeon_fb->obj);
@@ -1167,6 +1177,7 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
         uint64_t fb_location;
         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
         u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
+        u32 tmp;
         int r;
 
         /* no fb bound */
@@ -1294,6 +1305,15 @@ static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
         WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
 
+        /* pageflip setup */
+        /* make sure flip is at vb rather than hb */
+        tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
+        tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
+        WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
+
+        /* set pageflip to happen anywhere in vblank interval */
+        WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
+
         if (!atomic && fb && fb != crtc->fb) {
                 radeon_fb = to_radeon_framebuffer(fb);
                 rbo = gem_to_radeon_bo(radeon_fb->obj);
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 941080a77940..0b0cc74c08c0 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -43,17 +43,6 @@ static void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 
 void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
 {
-        struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
-        u32 tmp;
-
-        /* make sure flip is at vb rather than hb */
-        tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
-        tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
-        WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
-
-        /* set pageflip to happen anywhere in vblank interval */
-        WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
-
         /* enable the pflip int */
         radeon_irq_kms_pflip_irq_get(rdev, crtc);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 02d5c415f499..99768d9d91da 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -675,7 +675,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                         ATOM_ENCODER_CAP_RECORD *cap_record;
                                                         u16 caps = 0;
 
-                                                        while (record->ucRecordType > 0 &&
+                                                        while (record->ucRecordSize > 0 &&
+                                                               record->ucRecordType > 0 &&
                                                                record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
                                                                 switch (record->ucRecordType) {
                                                                 case ATOM_ENCODER_CAP_RECORD_TYPE:
@@ -720,7 +721,8 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                                         break;
                                                         }
 
-                                                        while (record->ucRecordType > 0 &&
+                                                        while (record->ucRecordSize > 0 &&
+                                                               record->ucRecordType > 0 &&
                                                                record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
                                                                 switch (record->ucRecordType) {
                                                                 case ATOM_I2C_RECORD_TYPE:
@@ -782,10 +784,9 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
                                                 ATOM_HPD_INT_RECORD *hpd_record;
                                                 ATOM_I2C_ID_CONFIG_ACCESS *i2c_config;
 
-                                                while (record->ucRecordType > 0
-                                                       && record->
-                                                       ucRecordType <=
-                                                       ATOM_MAX_OBJECT_RECORD_NUMBER) {
+                                                while (record->ucRecordSize > 0 &&
+                                                       record->ucRecordType > 0 &&
+                                                       record->ucRecordType <= ATOM_MAX_OBJECT_RECORD_NUMBER) {
                                                         switch (record->ucRecordType) {
                                                         case ATOM_I2C_RECORD_TYPE:
                                                                 i2c_record =
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index cf602e2d0718..8caf546c8e92 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2079,6 +2079,19 @@ bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
                                             DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
                                             CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
                                             &hpd);
+                /* TV - TV DAC */
+                ddc_i2c.valid = false;
+                hpd.hpd = RADEON_HPD_NONE;
+                radeon_add_legacy_encoder(dev,
+                                          radeon_get_encoder_enum(dev,
+                                                                ATOM_DEVICE_TV1_SUPPORT,
+                                                                2),
+                                          ATOM_DEVICE_TV1_SUPPORT);
+                radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
+                                            DRM_MODE_CONNECTOR_SVIDEO,
+                                            &ddc_i2c,
+                                            CONNECTOR_OBJECT_ID_SVIDEO,
+                                            &hpd);
                 break;
         default:
                 DRM_INFO("Connector table: %d (invalid)\n",
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 19763f5df5e1..876cebc4b8ba 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -48,17 +48,6 @@ int rs600_mc_wait_for_idle(struct radeon_device *rdev);
 
 void rs600_pre_page_flip(struct radeon_device *rdev, int crtc)
 {
-        struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
-        u32 tmp;
-
-        /* make sure flip is at vb rather than hb */
-        tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
-        tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
-        WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
-
-        /* set pageflip to happen anywhere in vblank interval */
-        WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
-
         /* enable the pflip int */
         radeon_irq_kms_pflip_irq_get(rdev, crtc);
 }
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 0b6a55ac2f87..2e618b5ac465 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1168,7 +1168,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
                 uint32_t page_alignment,
                 unsigned long buffer_start,
                 bool interruptible,
-                struct file *persistant_swap_storage,
+                struct file *persistent_swap_storage,
                 size_t acc_size,
                 void (*destroy) (struct ttm_buffer_object *))
 {
@@ -1211,7 +1211,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
         bo->priv_flags = 0;
         bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
         bo->seq_valid = false;
-        bo->persistant_swap_storage = persistant_swap_storage;
+        bo->persistent_swap_storage = persistent_swap_storage;
         bo->acc_size = acc_size;
         atomic_inc(&bo->glob->bo_count);
 
@@ -1260,7 +1260,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
                         uint32_t page_alignment,
                         unsigned long buffer_start,
                         bool interruptible,
-                        struct file *persistant_swap_storage,
+                        struct file *persistent_swap_storage,
                         struct ttm_buffer_object **p_bo)
 {
         struct ttm_buffer_object *bo;
@@ -1282,7 +1282,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
 
         ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,
                                 buffer_start, interruptible,
-                                persistant_swap_storage, acc_size, NULL);
+                                persistent_swap_storage, acc_size, NULL);
         if (likely(ret == 0))
                 *p_bo = bo;
 
@@ -1863,7 +1863,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink)
         if (bo->bdev->driver->swap_notify)
                 bo->bdev->driver->swap_notify(bo);
 
-        ret = ttm_tt_swapout(bo->ttm, bo->persistant_swap_storage);
+        ret = ttm_tt_swapout(bo->ttm, bo->persistent_swap_storage);
 out:
 
         /**
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 86d5b1745a45..90e23e0bfadb 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -332,7 +332,7 @@ void ttm_tt_destroy(struct ttm_tt *ttm)
                 ttm_tt_free_page_directory(ttm);
         }
 
-        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP) &&
+        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP) &&
             ttm->swap_storage)
                 fput(ttm->swap_storage);
 
@@ -503,7 +503,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
                 page_cache_release(from_page);
         }
 
-        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTANT_SWAP))
+        if (!(ttm->page_flags & TTM_PAGE_FLAG_PERSISTENT_SWAP))
                 fput(swap_storage);
         ttm->swap_storage = NULL;
         ttm->page_flags &= ~TTM_PAGE_FLAG_SWAPPED;
@@ -514,7 +514,7 @@ out_err:
         return ret;
 }
 
-int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
+int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
 {
         struct address_space *swap_space;
         struct file *swap_storage;
@@ -540,7 +540,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
                 return 0;
         }
 
-        if (!persistant_swap_storage) {
+        if (!persistent_swap_storage) {
                 swap_storage = shmem_file_setup("ttm swap",
                                                 ttm->num_pages << PAGE_SHIFT,
                                                 0);
@@ -549,7 +549,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
                         return PTR_ERR(swap_storage);
                 }
         } else
-                swap_storage = persistant_swap_storage;
+                swap_storage = persistent_swap_storage;
 
         swap_space = swap_storage->f_path.dentry->d_inode->i_mapping;
 
@@ -577,12 +577,12 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
         ttm_tt_free_alloced_pages(ttm);
         ttm->swap_storage = swap_storage;
         ttm->page_flags |= TTM_PAGE_FLAG_SWAPPED;
-        if (persistant_swap_storage)
-                ttm->page_flags |= TTM_PAGE_FLAG_PERSISTANT_SWAP;
+        if (persistent_swap_storage)
+                ttm->page_flags |= TTM_PAGE_FLAG_PERSISTENT_SWAP;
 
         return 0;
 out_err:
-        if (!persistant_swap_storage)
+        if (!persistent_swap_storage)
                 fput(swap_storage);
 
         return ret;
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 60edf9be31e5..aaec09713bee 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -778,6 +778,7 @@ extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
                                     void *data, struct drm_file *file_priv);
 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
                                     void *data, struct drm_file *file_priv);
+extern u8 *drm_find_cea_extension(struct edid *edid);
 extern bool drm_detect_hdmi_monitor(struct edid *edid);
 extern bool drm_detect_monitor_audio(struct edid *edid);
 extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 820ee9029482..816e30cbd968 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -472,6 +472,8 @@
         {0x1002, 0x9803, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
         {0x1002, 0x9804, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
         {0x1002, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+        {0x1002, 0x9806, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+        {0x1002, 0x9807, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PALM|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
         {0, 0, 0}
 
 #define r128_PCI_IDS \
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 50852aad260a..a6bd117c9ff1 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -158,9 +158,9 @@ struct ttm_tt;
  * the object is destroyed.
  * @event_queue: Queue for processes waiting on buffer object status change.
  * @mem: structure describing current placement.
- * @persistant_swap_storage: Usually the swap storage is deleted for buffers
+ * @persistent_swap_storage: Usually the swap storage is deleted for buffers
  * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistant shmem object.
+ * holds a pointer to a persistent shmem object.
  * @ttm: TTM structure holding system pages.
  * @evicted: Whether the object was evicted without user-space knowing.
  * @cpu_writes: For synchronization. Number of cpu writers.
@@ -221,7 +221,7 @@ struct ttm_buffer_object {
          */
 
         struct ttm_mem_reg mem;
-        struct file *persistant_swap_storage;
+        struct file *persistent_swap_storage;
         struct ttm_tt *ttm;
         bool evicted;
 
@@ -459,9 +459,9 @@ extern void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo);
  * user buffer object.
  * @interruptible: If needing to sleep to wait for GPU resources,
  * sleep interruptible.
- * @persistant_swap_storage: Usually the swap storage is deleted for buffers
+ * @persistent_swap_storage: Usually the swap storage is deleted for buffers
  * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistant shmem object. Typically, this would
+ * holds a pointer to a persistent shmem object. Typically, this would
  * point to the shmem object backing a GEM object if TTM is used to back a
  * GEM user interface.
  * @acc_size: Accounted size for this object.
@@ -490,7 +490,7 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
                         uint32_t page_alignment,
                         unsigned long buffer_start,
                         bool interrubtible,
-                        struct file *persistant_swap_storage,
+                        struct file *persistent_swap_storage,
                         size_t acc_size,
                         void (*destroy) (struct ttm_buffer_object *));
 /**
@@ -506,9 +506,9 @@ extern int ttm_bo_init(struct ttm_bo_device *bdev,
  * user buffer object.
  * @interruptible: If needing to sleep while waiting for GPU resources,
  * sleep interruptible.
- * @persistant_swap_storage: Usually the swap storage is deleted for buffers
+ * @persistent_swap_storage: Usually the swap storage is deleted for buffers
  * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistant shmem object. Typically, this would
+ * holds a pointer to a persistent shmem object. Typically, this would
  * point to the shmem object backing a GEM object if TTM is used to back a
  * GEM user interface.
  * @p_bo: On successful completion *p_bo points to the created object.
@@ -528,7 +528,7 @@ extern int ttm_bo_create(struct ttm_bo_device *bdev,
                                 uint32_t page_alignment,
                                 unsigned long buffer_start,
                                 bool interruptible,
-                                struct file *persistant_swap_storage,
+                                struct file *persistent_swap_storage,
                                 struct ttm_buffer_object **p_bo);
 
 /**
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index efed0820d9fa..960b52181d4e 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -122,7 +122,7 @@ struct ttm_backend {
 #define TTM_PAGE_FLAG_USER_DIRTY      (1 << 2)
 #define TTM_PAGE_FLAG_WRITE           (1 << 3)
 #define TTM_PAGE_FLAG_SWAPPED         (1 << 4)
-#define TTM_PAGE_FLAG_PERSISTANT_SWAP (1 << 5)
+#define TTM_PAGE_FLAG_PERSISTENT_SWAP (1 << 5)
 #define TTM_PAGE_FLAG_ZERO_ALLOC      (1 << 6)
 #define TTM_PAGE_FLAG_DMA32           (1 << 7)
 
@@ -714,7 +714,7 @@ extern void ttm_tt_cache_flush(struct page *pages[], unsigned long num_pages);
  */
 extern int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement);
 extern int ttm_tt_swapout(struct ttm_tt *ttm,
-                          struct file *persistant_swap_storage);
+                          struct file *persistent_swap_storage);
 
 /*
  * ttm_bo.c