diff options
author | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
---|---|---|
committer | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
commit | 0f69403d2535ffc7200a8414cf3ca66a49b0d741 (patch) | |
tree | 3ce85dd08359ea872aa8fb9bd12072efdb80a787 /drivers/gpu/drm/i915 | |
parent | 580fbdc5136822208f107500682e50a1cb232e94 (diff) | |
parent | 0a19b068acc47d05212f03e494381926dc0381e2 (diff) | |
download | linux-0f69403d2535ffc7200a8414cf3ca66a49b0d741.tar.xz |
Merge drm/drm-next into drm-intel-next-queued
Catch up with upstream, in particular to get c1e8d7c6a7a6 ("mmap locking
API: convert mmap_sem comments").
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
31 files changed, 242 insertions, 197 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 77681356505b..a11bb675f9b3 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -8899,8 +8899,6 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode, mode->clock = pipe_config->hw.adjusted_mode.crtc_clock; - mode->hsync = drm_mode_hsync(mode); - mode->vrefresh = drm_mode_vrefresh(mode); drm_mode_set_name(mode); } diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index cfe2517e0088..d1cb48b3f462 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -632,15 +632,9 @@ static void intel_dp_info(struct seq_file *m, } static void intel_dp_mst_info(struct seq_file *m, - struct intel_connector *intel_connector) + struct intel_connector *intel_connector) { - struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector); - struct intel_dp_mst_encoder *intel_mst = - enc_to_mst(intel_encoder); - struct intel_digital_port *intel_dig_port = intel_mst->primary; - struct intel_dp *intel_dp = &intel_dig_port->dp; - bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, - intel_connector->port); + bool has_audio = intel_connector->port->has_audio; seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); } @@ -1105,10 +1099,10 @@ static void drrs_status_per_crtc(struct seq_file *m, seq_puts(m, "\n\t\t"); if (drrs->refresh_rate_type == DRRS_HIGH_RR) { seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n"); - vrefresh = panel->fixed_mode->vrefresh; + vrefresh = drm_mode_vrefresh(panel->fixed_mode); } else if (drrs->refresh_rate_type == DRRS_LOW_RR) { seq_puts(m, "DRRS_State: DRRS_LOW_RR\n"); - vrefresh = panel->downclock_mode->vrefresh; + vrefresh = drm_mode_vrefresh(panel->downclock_mode); } else { seq_printf(m, "DRRS_State: Unknown(%d)\n", drrs->refresh_rate_type); @@ -1984,7 +1978,7 @@ static const struct { {"i915_edp_psr_debug", &i915_edp_psr_debug_fops}, }; -int intel_display_debugfs_register(struct drm_i915_private *i915) +void intel_display_debugfs_register(struct drm_i915_private *i915) { struct drm_minor *minor = i915->drm.primary; int i; @@ -1997,9 +1991,9 @@ int intel_display_debugfs_register(struct drm_i915_private *i915) intel_display_debugfs_files[i].fops); } - return drm_debugfs_create_files(intel_display_debugfs_list, - ARRAY_SIZE(intel_display_debugfs_list), - minor->debugfs_root, minor); + drm_debugfs_create_files(intel_display_debugfs_list, + ARRAY_SIZE(intel_display_debugfs_list), + minor->debugfs_root, minor); } static int i915_panel_show(struct seq_file *m, void *data) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.h b/drivers/gpu/drm/i915/display/intel_display_debugfs.h index a3bea1ce04c2..c922c1745bfe 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.h +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.h @@ -10,10 +10,10 @@ struct drm_connector; struct drm_i915_private; #ifdef CONFIG_DEBUG_FS -int intel_display_debugfs_register(struct drm_i915_private *i915); +void intel_display_debugfs_register(struct drm_i915_private *i915); int intel_connector_debugfs_add(struct drm_connector *connector); #else -static inline int intel_display_debugfs_register(struct drm_i915_private *i915) { return 0; } +static inline void intel_display_debugfs_register(struct drm_i915_private *i915) {} static inline int intel_connector_debugfs_add(struct drm_connector *connector) { return 0; } #endif diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 76a49eac7305..4b0aaa3081c9 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -438,7 +438,7 @@ struct intel_connector { state of connector->polled in case hotplug storm detection changes it */ u8 polled; - void *port; /* store this opaque as its illegal to dereference it */ + struct drm_dp_mst_port *port; struct intel_dp *mst_port; diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 7765a8b95b9d..3df5d901dd9d 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -7656,7 +7656,7 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv, return; } - if (intel_dp->attached_connector->panel.downclock_mode->vrefresh == + if (drm_mode_vrefresh(intel_dp->attached_connector->panel.downclock_mode) == refresh_rate) index = DRRS_LOW_RR; @@ -7769,7 +7769,7 @@ void intel_edp_drrs_disable(struct intel_dp *intel_dp, if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) intel_dp_set_drrs_state(dev_priv, old_crtc_state, - intel_dp->attached_connector->panel.fixed_mode->vrefresh); + drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode)); dev_priv->drrs.dp = NULL; mutex_unlock(&dev_priv->drrs.mutex); @@ -7802,7 +7802,7 @@ static void intel_edp_drrs_downclock_work(struct work_struct *work) struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc; intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config, - intel_dp->attached_connector->panel.downclock_mode->vrefresh); + drm_mode_vrefresh(intel_dp->attached_connector->panel.downclock_mode)); } unlock: @@ -7822,6 +7822,7 @@ unlock: void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits) { + struct intel_dp *intel_dp; struct drm_crtc *crtc; enum pipe pipe; @@ -7831,12 +7832,14 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, cancel_delayed_work(&dev_priv->drrs.work); mutex_lock(&dev_priv->drrs.mutex); - if (!dev_priv->drrs.dp) { + + intel_dp = dev_priv->drrs.dp; + if (!intel_dp) { mutex_unlock(&dev_priv->drrs.mutex); return; } - crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc; + crtc = dp_to_dig_port(intel_dp)->base.base.crtc; pipe = to_intel_crtc(crtc)->pipe; frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe); @@ -7845,7 +7848,7 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, /* invalidate means busy screen hence upclock */ if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config, - dev_priv->drrs.dp->attached_connector->panel.fixed_mode->vrefresh); + drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode)); mutex_unlock(&dev_priv->drrs.mutex); } @@ -7865,6 +7868,7 @@ void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits) { + struct intel_dp *intel_dp; struct drm_crtc *crtc; enum pipe pipe; @@ -7874,12 +7878,14 @@ void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, cancel_delayed_work(&dev_priv->drrs.work); mutex_lock(&dev_priv->drrs.mutex); - if (!dev_priv->drrs.dp) { + + intel_dp = dev_priv->drrs.dp; + if (!intel_dp) { mutex_unlock(&dev_priv->drrs.mutex); return; } - crtc = dp_to_dig_port(dev_priv->drrs.dp)->base.base.crtc; + crtc = dp_to_dig_port(intel_dp)->base.base.crtc; pipe = to_intel_crtc(crtc)->pipe; frontbuffer_bits &= INTEL_FRONTBUFFER_ALL_MASK(pipe); @@ -7888,7 +7894,7 @@ void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, /* flush means busy screen hence upclock */ if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) intel_dp_set_drrs_state(dev_priv, to_intel_crtc(crtc)->config, - dev_priv->drrs.dp->attached_connector->panel.fixed_mode->vrefresh); + drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode)); /* * flush also means no more activity hence schedule downclock, if all diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index f7df7a5b7c13..8273f2e07427 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -33,6 +33,7 @@ #include "intel_connector.h" #include "intel_ddi.h" #include "intel_display_types.h" +#include "intel_hotplug.h" #include "intel_dp.h" #include "intel_dp_mst.h" #include "intel_dpio_phy.h" @@ -113,9 +114,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, pipe_config->has_pch_encoder = false; if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO) - pipe_config->has_audio = - drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, - connector->port); + pipe_config->has_audio = connector->port->has_audio; else pipe_config->has_audio = intel_conn_state->force_audio == HDMI_AUDIO_ON; @@ -795,8 +794,17 @@ err: return NULL; } +static void +intel_dp_mst_poll_hpd_irq(struct drm_dp_mst_topology_mgr *mgr) +{ + struct intel_dp *intel_dp = container_of(mgr, struct intel_dp, mst_mgr); + + intel_hpd_trigger_irq(dp_to_dig_port(intel_dp)); +} + static const struct drm_dp_mst_topology_cbs mst_cbs = { .add_connector = intel_dp_add_mst_connector, + .poll_hpd_irq = intel_dp_mst_poll_hpd_irq, }; static struct intel_dp_mst_encoder * diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c index d794dd5f170c..2e94c1413c02 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.c +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c @@ -356,6 +356,24 @@ static void i915_digport_work_func(struct work_struct *work) } } +/** + * intel_hpd_trigger_irq - trigger an hpd irq event for a port + * @dig_port: digital port + * + * Trigger an HPD interrupt event for the given port, emulating a short pulse + * generated by the sink, and schedule the dig port work to handle it. + */ +void intel_hpd_trigger_irq(struct intel_digital_port *dig_port) +{ + struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); + + spin_lock_irq(&i915->irq_lock); + i915->hotplug.short_port_mask |= BIT(dig_port->base.port); + spin_unlock_irq(&i915->irq_lock); + + queue_work(i915->hotplug.dp_wq, &i915->hotplug.dig_port_work); +} + /* * Handle hotplug events outside the interrupt handler proper. */ diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.h b/drivers/gpu/drm/i915/display/intel_hotplug.h index 777b0743257e..a704d7c94d16 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.h +++ b/drivers/gpu/drm/i915/display/intel_hotplug.h @@ -10,6 +10,7 @@ struct drm_i915_private; struct intel_connector; +struct intel_digital_port; struct intel_encoder; enum port; @@ -18,6 +19,7 @@ enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder, struct intel_connector *connector); void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 pin_mask, u32 long_mask); +void intel_hpd_trigger_irq(struct intel_digital_port *dig_port); void intel_hpd_init(struct drm_i915_private *dev_priv); void intel_hpd_init_work(struct drm_i915_private *dev_priv); void intel_hpd_cancel_work(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c index 48093f19ec22..777032d9697b 100644 --- a/drivers/gpu/drm/i915/display/intel_tv.c +++ b/drivers/gpu/drm/i915/display/intel_tv.c @@ -1038,9 +1038,6 @@ intel_tv_mode_to_mode(struct drm_display_mode *mode, /* TV has it's own notion of sync and other mode flags, so clear them. */ mode->flags = 0; - mode->vrefresh = 0; - mode->vrefresh = drm_mode_vrefresh(mode); - snprintf(mode->name, sizeof(mode->name), "%dx%d%c (%s)", mode->hdisplay, mode->vdisplay, diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index 4d88faeb4d4c..5c13809dc3c8 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -1921,11 +1921,6 @@ get_engines(struct i915_gem_context *ctx, } user = u64_to_user_ptr(args->value); - if (!access_ok(user, size)) { - err = -EFAULT; - goto err_free; - } - if (put_user(0, &user->extensions)) { err = -EFAULT; goto err_free; diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 23db79b806db..c38ab51e82f0 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -2782,7 +2782,8 @@ i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data, * And this range already got effectively checked earlier * when we did the "copy_from_user()" above. */ - if (!user_access_begin(user_exec_list, count * sizeof(*user_exec_list))) + if (!user_write_access_begin(user_exec_list, + count * sizeof(*user_exec_list))) goto end; for (i = 0; i < args->buffer_count; i++) { @@ -2796,7 +2797,7 @@ i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data, end_user); } end_user: - user_access_end(); + user_write_access_end(); end:; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 9d306dc9849d..fe27c5b344e3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -93,7 +93,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct mm_struct *mm = current->mm; struct vm_area_struct *vma; - if (down_write_killable(&mm->mmap_sem)) { + if (mmap_write_lock_killable(mm)) { addr = -EINTR; goto err; } @@ -103,7 +103,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, pgprot_writecombine(vm_get_page_prot(vma->vm_flags)); else addr = -ENOMEM; - up_write(&mm->mmap_sem); + mmap_write_unlock(mm); if (IS_ERR_VALUE(addr)) goto err; } diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c index f4277afb89eb..28147aab47b9 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c @@ -10,8 +10,6 @@ #include <drm/drm.h> /* for drm_legacy.h! */ #include <drm/drm_cache.h> -#include <drm/drm_legacy.h> /* for drm_pci.h! */ -#include <drm/drm_pci.h> #include "gt/intel_gt.h" #include "i915_drv.h" diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c index 2adc0ea429fb..9c53eb883400 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c @@ -200,10 +200,10 @@ i915_mmu_notifier_find(struct i915_mm_struct *mm) if (IS_ERR(mn)) err = PTR_ERR(mn); - down_write(&mm->mm->mmap_sem); + mmap_write_lock(mm->mm); mutex_lock(&mm->i915->mm_lock); if (mm->mn == NULL && !err) { - /* Protected by mmap_sem (write-lock) */ + /* Protected by mmap_lock (write-lock) */ err = __mmu_notifier_register(&mn->mn, mm->mm); if (!err) { /* Protected by mm_lock */ @@ -217,7 +217,7 @@ i915_mmu_notifier_find(struct i915_mm_struct *mm) err = 0; } mutex_unlock(&mm->i915->mm_lock); - up_write(&mm->mm->mmap_sem); + mmap_write_unlock(mm->mm); if (mn && !IS_ERR(mn)) kfree(mn); @@ -468,10 +468,10 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) if (mmget_not_zero(mm)) { while (pinned < npages) { if (!locked) { - down_read(&mm->mmap_sem); + mmap_read_lock(mm); locked = 1; } - ret = get_user_pages_remote + ret = pin_user_pages_remote (work->task, mm, obj->userptr.ptr + pinned * PAGE_SIZE, npages - pinned, @@ -483,7 +483,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) pinned += ret; } if (locked) - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); mmput(mm); } } @@ -507,7 +507,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work) } mutex_unlock(&obj->mm.lock); - release_pages(pvec, pinned); + unpin_user_pages(pvec, pinned); kvfree(pvec); i915_gem_object_put(obj); @@ -522,8 +522,8 @@ __i915_gem_userptr_get_pages_schedule(struct drm_i915_gem_object *obj) /* Spawn a worker so that we can acquire the * user pages without holding our mutex. Access - * to the user pages requires mmap_sem, and we have - * a strict lock ordering of mmap_sem, struct_mutex - + * to the user pages requires mmap_lock, and we have + * a strict lock ordering of mmap_lock, struct_mutex - * we already hold struct_mutex here and so cannot * call gup without encountering a lock inversion. * @@ -564,6 +564,7 @@ static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) struct sg_table *pages; bool active; int pinned; + unsigned int gup_flags = 0; /* If userspace should engineer that these pages are replaced in * the vma between us binding this page into the GTT and completion @@ -598,11 +599,22 @@ static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN); - if (pvec) /* defer to worker if malloc fails */ - pinned = __get_user_pages_fast(obj->userptr.ptr, - num_pages, - !i915_gem_object_is_readonly(obj), - pvec); + /* + * Using __get_user_pages_fast() with a read-only + * access is questionable. A read-only page may be + * COW-broken, and then this might end up giving + * the wrong side of the COW.. + * + * We may or may not care. + */ + if (pvec) { + /* defer to worker if malloc fails */ + if (!i915_gem_object_is_readonly(obj)) + gup_flags |= FOLL_WRITE; + pinned = pin_user_pages_fast_only(obj->userptr.ptr, + num_pages, gup_flags, + pvec); + } } active = false; @@ -620,7 +632,7 @@ static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj) __i915_gem_userptr_set_active(obj, true); if (IS_ERR(pages)) - release_pages(pvec, pinned); + unpin_user_pages(pvec, pinned); kvfree(pvec); return PTR_ERR_OR_ZERO(pages); @@ -675,7 +687,7 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj, } mark_page_accessed(page); - put_page(page); + unpin_user_page(page); } obj->mm.dirty = false; diff --git a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c index 9272bef57092..debaf7b18ab5 100644 --- a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c @@ -66,7 +66,7 @@ static void *mock_dmabuf_vmap(struct dma_buf *dma_buf) { struct mock_dmabuf *mock = to_mock(dma_buf); - return vm_map_ram(mock->pages, mock->npages, 0, PAGE_KERNEL); + return vm_map_ram(mock->pages, mock->npages, 0); } static void mock_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr) diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index 776a73a19503..7ba16ddfe75f 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -210,14 +210,41 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) SKL_FUSE_PG_DIST_STATUS(SKL_PG0) | SKL_FUSE_PG_DIST_STATUS(SKL_PG1) | SKL_FUSE_PG_DIST_STATUS(SKL_PG2); - vgpu_vreg_t(vgpu, LCPLL1_CTL) |= - LCPLL_PLL_ENABLE | - LCPLL_PLL_LOCK; - vgpu_vreg_t(vgpu, LCPLL2_CTL) |= LCPLL_PLL_ENABLE; - + /* + * Only 1 PIPE enabled in current vGPU display and PIPE_A is + * tied to TRANSCODER_A in HW, so it's safe to assume PIPE_A, + * TRANSCODER_A can be enabled. PORT_x depends on the input of + * setup_virtual_dp_monitor, we can bind DPLL0 to any PORT_x + * so we fixed to DPLL0 here. + * Setup DPLL0: DP link clk 1620 MHz, non SSC, DP Mode + */ + vgpu_vreg_t(vgpu, DPLL_CTRL1) = + DPLL_CTRL1_OVERRIDE(DPLL_ID_SKL_DPLL0); + vgpu_vreg_t(vgpu, DPLL_CTRL1) |= + DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1620, DPLL_ID_SKL_DPLL0); + vgpu_vreg_t(vgpu, LCPLL1_CTL) = + LCPLL_PLL_ENABLE | LCPLL_PLL_LOCK; + vgpu_vreg_t(vgpu, DPLL_STATUS) = DPLL_LOCK(DPLL_ID_SKL_DPLL0); + /* + * Golden M/N are calculated based on: + * 24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID), + * DP link clk 1620 MHz and non-constant_n. + * TODO: calculate DP link symbol clk and stream clk m/n. + */ + vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) = 63 << TU_SIZE_SHIFT; + vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) |= 0x5b425e; + vgpu_vreg_t(vgpu, PIPE_DATA_N1(TRANSCODER_A)) = 0x800000; + vgpu_vreg_t(vgpu, PIPE_LINK_M1(TRANSCODER_A)) = 0x3cd6e; + vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A)) = 0x80000; } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) { + vgpu_vreg_t(vgpu, DPLL_CTRL2) &= + ~DPLL_CTRL2_DDI_CLK_OFF(PORT_B); + vgpu_vreg_t(vgpu, DPLL_CTRL2) |= + DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_B); + vgpu_vreg_t(vgpu, DPLL_CTRL2) |= + DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_B); vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | @@ -238,6 +265,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) { + vgpu_vreg_t(vgpu, DPLL_CTRL2) &= + ~DPLL_CTRL2_DDI_CLK_OFF(PORT_C); + vgpu_vreg_t(vgpu, DPLL_CTRL2) |= + DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_C); + vgpu_vreg_t(vgpu, DPLL_CTRL2) |= + DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_C); vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTC_HOTPLUG_CPT; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | @@ -258,6 +291,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu) } if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D)) { + vgpu_vreg_t(vgpu, DPLL_CTRL2) &= + ~DPLL_CTRL2_DDI_CLK_OFF(PORT_D); + vgpu_vreg_t(vgpu, DPLL_CTRL2) |= + DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_D); + vgpu_vreg_t(vgpu, DPLL_CTRL2) |= + DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_D); vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT; vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &= ~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK | diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 074c4efb58eb..ad8a9df49f29 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -31,7 +31,7 @@ #include <linux/init.h> #include <linux/device.h> #include <linux/mm.h> -#include <linux/mmu_context.h> +#include <linux/kthread.h> #include <linux/sched/mm.h> #include <linux/types.h> #include <linux/list.h> @@ -131,6 +131,7 @@ struct kvmgt_vdev { struct work_struct release_work; atomic_t released; struct vfio_device *vfio_device; + struct vfio_group *vfio_group; }; static inline struct kvmgt_vdev *kvmgt_vdev(struct intel_vgpu *vgpu) @@ -151,6 +152,7 @@ static void gvt_unpin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, unsigned long size) { struct drm_i915_private *i915 = vgpu->gvt->gt->i915; + struct kvmgt_vdev *vdev = kvmgt_vdev(vgpu); int total_pages; int npage; int ret; @@ -160,7 +162,7 @@ static void gvt_unpin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, for (npage = 0; npage < total_pages; npage++) { unsigned long cur_gfn = gfn + npage; - ret = vfio_unpin_pages(mdev_dev(kvmgt_vdev(vgpu)->mdev), &cur_gfn, 1); + ret = vfio_group_unpin_pages(vdev->vfio_group, &cur_gfn, 1); drm_WARN_ON(&i915->drm, ret != 1); } } @@ -169,6 +171,7 @@ static void gvt_unpin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, static int gvt_pin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, unsigned long size, struct page **page) { + struct kvmgt_vdev *vdev = kvmgt_vdev(vgpu); unsigned long base_pfn = 0; int total_pages; int npage; @@ -183,8 +186,8 @@ static int gvt_pin_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, unsigned long cur_gfn = gfn + npage; unsigned long pfn; - ret = vfio_pin_pages(mdev_dev(kvmgt_vdev(vgpu)->mdev), &cur_gfn, 1, - IOMMU_READ | IOMMU_WRITE, &pfn); + ret = vfio_group_pin_pages(vdev->vfio_group, &cur_gfn, 1, + IOMMU_READ | IOMMU_WRITE, &pfn); if (ret != 1) { gvt_vgpu_err("vfio_pin_pages failed for gfn 0x%lx, ret %d\n", cur_gfn, ret); @@ -792,6 +795,7 @@ static int intel_vgpu_open(struct mdev_device *mdev) struct kvmgt_vdev *vdev = kvmgt_vdev(vgpu); unsigned long events; int ret; + struct vfio_group *vfio_group; vdev->iommu_notifier.notifier_call = intel_vgpu_iommu_notifier; vdev->group_notifier.notifier_call = intel_vgpu_group_notifier; @@ -814,6 +818,14 @@ static int intel_vgpu_open(struct mdev_device *mdev) goto undo_iommu; } + vfio_group = vfio_group_get_external_user_from_dev(mdev_dev(mdev)); + if (IS_ERR_OR_NULL(vfio_group)) { + ret = !vfio_group ? -EFAULT : PTR_ERR(vfio_group); + gvt_vgpu_err("vfio_group_get_external_user_from_dev failed\n"); + goto undo_register; + } + vdev->vfio_group = vfio_group; + /* Take a module reference as mdev core doesn't take * a reference for vendor driver. */ @@ -830,6 +842,10 @@ static int intel_vgpu_open(struct mdev_device *mdev) return ret; undo_group: + vfio_group_put_external_user(vdev->vfio_group); + vdev->vfio_group = NULL; + +undo_register: vfio_unregister_notifier(mdev_dev(mdev), VFIO_GROUP_NOTIFY, &vdev->group_notifier); @@ -884,6 +900,7 @@ static void __intel_vgpu_release(struct intel_vgpu *vgpu) kvmgt_guest_exit(info); intel_vgpu_release_msi_eventfd_ctx(vgpu); + vfio_group_put_external_user(vdev->vfio_group); vdev->kvm = NULL; vgpu->handle = 0; @@ -2035,33 +2052,14 @@ static int kvmgt_rw_gpa(unsigned long handle, unsigned long gpa, void *buf, unsigned long len, bool write) { struct kvmgt_guest_info *info; - struct kvm *kvm; - int idx, ret; - bool kthread = current->mm == NULL; if (!handle_valid(handle)) return -ESRCH; info = (struct kvmgt_guest_info *)handle; - kvm = info->kvm; - - if (kthread) { - if (!mmget_not_zero(kvm->mm)) - return -EFAULT; - use_mm(kvm->mm); - } - - idx = srcu_read_lock(&kvm->srcu); - ret = write ? kvm_write_guest(kvm, gpa, buf, len) : - kvm_read_guest(kvm, gpa, buf, len); - srcu_read_unlock(&kvm->srcu, idx); - - if (kthread) { - unuse_mm(kvm->mm); - mmput(kvm->mm); - } - return ret; + return vfio_dma_rw(kvmgt_vdev(info->vgpu)->vfio_group, + gpa, buf, len, write); } static int kvmgt_read_gpa(unsigned long handle, unsigned long gpa, diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index f5dc52a80fe5..3c3b9842bbbd 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -416,7 +416,11 @@ static void set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload, for (i = 0; i < GVT_RING_CTX_NR_PDPS; i++) { struct i915_page_directory * const pd = i915_pd_entry(ppgtt->pd, i); - + /* skip now as current i915 ppgtt alloc won't allocate + top level pdp for non 4-level table, won't impact + shadow ppgtt. */ + if (!pd) + break; px_dma(pd) = mm->ppgtt_mm.shadow_pdps[i]; } } diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 1d5ff88078bd..7d361623ff67 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -124,7 +124,7 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt) */ low_avail = gvt_aperture_sz(gvt) - HOST_LOW_GM_SIZE; high_avail = gvt_hidden_sz(gvt) - HOST_HIGH_GM_SIZE; - num_types = sizeof(vgpu_types) / sizeof(vgpu_types[0]); + num_types = ARRAY_SIZE(vgpu_types); gvt->types = kcalloc(num_types, sizeof(struct intel_vgpu_type), GFP_KERNEL); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 242f59910c19..8594a8ef08ce 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1898,7 +1898,7 @@ static const struct i915_debugfs_files { #endif }; -int i915_debugfs_register(struct drm_i915_private *dev_priv) +void i915_debugfs_register(struct drm_i915_private *dev_priv) { struct drm_minor *minor = dev_priv->drm.primary; int i; @@ -1915,7 +1915,7 @@ int i915_debugfs_register(struct drm_i915_private *dev_priv) i915_debugfs_files[i].fops); } - return drm_debugfs_create_files(i915_debugfs_list, - I915_DEBUGFS_ENTRIES, - minor->debugfs_root, minor); + drm_debugfs_create_files(i915_debugfs_list, + I915_DEBUGFS_ENTRIES, + minor->debugfs_root, minor); } diff --git a/drivers/gpu/drm/i915/i915_debugfs.h b/drivers/gpu/drm/i915/i915_debugfs.h index 6da39c76ab5e..1de2736f1248 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.h +++ b/drivers/gpu/drm/i915/i915_debugfs.h @@ -12,10 +12,10 @@ struct drm_i915_private; struct seq_file; #ifdef CONFIG_DEBUG_FS -int i915_debugfs_register(struct drm_i915_private *dev_priv); +void i915_debugfs_register(struct drm_i915_private *dev_priv); void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj); #else -static inline int i915_debugfs_register(struct drm_i915_private *dev_priv) { return 0; } +static inline void i915_debugfs_register(struct drm_i915_private *dev_priv) {} static inline void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) {} #endif diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index da991d1967a2..67102dc26fce 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -43,6 +43,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_ioctl.h> #include <drm/drm_irq.h> +#include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> #include "display/intel_acpi.h" @@ -907,17 +908,11 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent) (struct intel_device_info *)ent->driver_data; struct intel_device_info *device_info; struct drm_i915_private *i915; - int err; - i915 = kzalloc(sizeof(*i915), GFP_KERNEL); - if (!i915) - return ERR_PTR(-ENOMEM); - - err = drm_dev_init(&i915->drm, &driver, &pdev->dev); - if (err) { - kfree(i915); - return ERR_PTR(err); - } + i915 = devm_drm_dev_alloc(&pdev->dev, &driver, + struct drm_i915_private, drm); + if (IS_ERR(i915)) + return i915; i915->drm.pdev = pdev; pci_set_drvdata(pdev, i915); @@ -935,17 +930,6 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent) return i915; } -static void i915_driver_destroy(struct drm_i915_private *i915) -{ - struct pci_dev *pdev = i915->drm.pdev; - - drm_dev_fini(&i915->drm); - kfree(i915); - - /* And make sure we never chase our dangling pointer from pci_dev */ - pci_set_drvdata(pdev, NULL); -} - /** * i915_driver_probe - setup chip and create an initial config * @pdev: PCI device @@ -1027,6 +1011,8 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) i915_welcome_messages(i915); + i915->do_release = true; + return 0; out_cleanup_irq: @@ -1046,7 +1032,6 @@ out_pci_disable: pci_disable_device(pdev); out_fini: i915_probe_error(i915, "Device initialization failed (%d)\n", ret); - i915_driver_destroy(i915); return ret; } @@ -1086,6 +1071,9 @@ static void i915_driver_release(struct drm_device *dev) struct drm_i915_private *dev_priv = to_i915(dev); struct intel_runtime_pm *rpm = &dev_priv->runtime_pm; + if (!dev_priv->do_release) + return; + disable_rpm_wakeref_asserts(rpm); i915_gem_driver_release(dev_priv); @@ -1099,7 +1087,6 @@ static void i915_driver_release(struct drm_device *dev) intel_runtime_pm_driver_release(rpm); i915_driver_late_release(dev_priv); - i915_driver_destroy(dev_priv); } static int i915_driver_open(struct drm_device *dev, struct drm_file *file) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 2697960f15a9..9aad3ec979bd 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -827,6 +827,9 @@ struct i915_selftest_stash { struct drm_i915_private { struct drm_device drm; + /* FIXME: Device release actions should all be moved to drmm_ */ + bool do_release; + /* i915 device parameters */ struct i915_params params; diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c index 8e45ca3d2ede..55b97c3a3dde 100644 --- a/drivers/gpu/drm/i915/i915_ioc32.c +++ b/drivers/gpu/drm/i915/i915_ioc32.c @@ -47,20 +47,16 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd, unsigned long arg) { struct drm_i915_getparam32 req32; - drm_i915_getparam_t __user *request; + struct drm_i915_getparam req; if (copy_from_user(&req32, (void __user *)arg, sizeof(req32))) return -EFAULT; - request = compat_alloc_user_space(sizeof(*request)); - if (!access_ok(request, sizeof(*request)) || - __put_user(req32.param, &request->param) || - __put_user((void __user *)(unsigned long)req32.value, - &request->value)) - return -EFAULT; + req.param = req32.param; + req.value = compat_ptr(req32.value); - return drm_ioctl(file, DRM_IOCTL_I915_GETPARAM, - (unsigned long)request); + return drm_ioctl_kernel(file, i915_getparam_ioctl, &req, + DRM_RENDER_ALLOW); } static drm_ioctl_compat_t *i915_compat_ioctls[] = { diff --git a/drivers/gpu/drm/i915/i915_mm.c b/drivers/gpu/drm/i915/i915_mm.c index b6376b25ef63..43039dc8c607 100644 --- a/drivers/gpu/drm/i915/i915_mm.c +++ b/drivers/gpu/drm/i915/i915_mm.c @@ -25,7 +25,6 @@ #include <linux/mm.h> #include <linux/io-mapping.h> -#include <asm/pgtable.h> #include "i915_drv.h" diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 498d8c982540..e5fdf17cd9cd 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -987,8 +987,6 @@ static void i915_pci_remove(struct pci_dev *pdev) i915_driver_remove(i915); pci_set_drvdata(pdev, NULL); - - drm_dev_put(&i915->drm); } /* is device_id present in comma separated list of ids */ diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index f35712d04ba4..25329b7600c9 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -3415,10 +3415,10 @@ i915_perf_open_ioctl_locked(struct i915_perf *perf, /* Similar to perf's kernel.perf_paranoid_cpu sysctl option * we check a dev.i915.perf_stream_paranoid sysctl option * to determine if it's ok to access system wide OA counters - * without CAP_SYS_ADMIN privileges. + * without CAP_PERFMON or CAP_SYS_ADMIN privileges. */ if (privileged_op && - i915_perf_stream_paranoid && !capable(CAP_SYS_ADMIN)) { + i915_perf_stream_paranoid && !perfmon_capable()) { DRM_DEBUG("Insufficient privileges to open i915 perf stream\n"); ret = -EACCES; goto err_ctx; @@ -3612,9 +3612,8 @@ static int read_properties_unlocked(struct i915_perf *perf, } else oa_freq_hz = 0; - if (oa_freq_hz > i915_oa_max_sample_rate && - !capable(CAP_SYS_ADMIN)) { - DRM_DEBUG("OA exponent would exceed the max sampling frequency (sysctl dev.i915.oa_max_sample_rate) %uHz without root privileges\n", + if (oa_freq_hz > i915_oa_max_sample_rate && !perfmon_capable()) { + DRM_DEBUG("OA exponent would exceed the max sampling frequency (sysctl dev.i915.oa_max_sample_rate) %uHz without CAP_PERFMON or CAP_SYS_ADMIN privileges\n", i915_oa_max_sample_rate); return -EACCES; } @@ -3677,7 +3676,7 @@ static int read_properties_unlocked(struct i915_perf *perf, * buffered data written by the GPU besides periodic OA metrics. * * Note we copy the properties from userspace outside of the i915 perf - * mutex to avoid an awkward lockdep with mmap_sem. + * mutex to avoid an awkward lockdep with mmap_lock. * * Most of the implementation details are handled by * i915_perf_open_ioctl_locked() after taking the &perf->lock @@ -3897,9 +3896,6 @@ static struct i915_oa_reg *alloc_oa_regs(struct i915_perf *perf, if (!n_regs) return NULL; - if (!access_ok(regs, n_regs * sizeof(u32) * 2)) - return ERR_PTR(-EFAULT); - /* No is_valid function means we're not allowing any register to be programmed. */ GEM_BUG_ON(!is_valid); if (!is_valid) @@ -4000,7 +3996,7 @@ int i915_perf_add_config_ioctl(struct drm_device *dev, void *data, return -EINVAL; } - if (i915_perf_stream_paranoid && !capable(CAP_SYS_ADMIN)) { + if (i915_perf_stream_paranoid && !perfmon_capable()) { DRM_DEBUG("Insufficient privileges to add i915 OA config\n"); return -EACCES; } @@ -4147,7 +4143,7 @@ int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data, return -ENOTSUPP; } - if (i915_perf_stream_paranoid && !capable(CAP_SYS_ADMIN)) { + if (i915_perf_stream_paranoid && !perfmon_capable()) { DRM_DEBUG("Insufficient privileges to remove i915 OA config\n"); return -EACCES; } diff --git a/drivers/gpu/drm/i915/i915_query.c b/drivers/gpu/drm/i915/i915_query.c index 9a8fdd3ac6bd..c1ebda9b5627 100644 --- a/drivers/gpu/drm/i915/i915_query.c +++ b/drivers/gpu/drm/i915/i915_query.c @@ -25,10 +25,6 @@ static int copy_query_item(void *query_hdr, size_t query_sz, query_sz)) return -EFAULT; - if (!access_ok(u64_to_user_ptr(query_item->data_ptr), - total_length)) - return -EFAULT; - return 0; } @@ -72,20 +68,20 @@ static int query_topology_info(struct drm_i915_private *dev_priv, topo.eu_offset = slice_length + subslice_length; topo.eu_stride = sseu->eu_stride; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr), + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr), &topo, sizeof(topo))) return -EFAULT; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo)), + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo)), &sseu->slice_mask, slice_length)) return -EFAULT; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr + + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo) + slice_length), sseu->subslice_mask, subslice_length)) return -EFAULT; - if (__copy_to_user(u64_to_user_ptr(query_item->data_ptr + + if (copy_to_user(u64_to_user_ptr(query_item->data_ptr + sizeof(topo) + slice_length + subslice_length), sseu->eu_mask, eu_length)) @@ -130,14 +126,14 @@ query_engine_info(struct drm_i915_private *i915, info.engine.engine_instance = engine->uabi_instance; info.capabilities = engine->uabi_capabilities; - if (__copy_to_user(info_ptr, &info, sizeof(info))) + if (copy_to_user(info_ptr, &info, sizeof(info))) return -EFAULT; query.num_engines++; info_ptr++; } - if (__copy_to_user(query_ptr, &query, sizeof(query))) + if (copy_to_user(query_ptr, &query, sizeof(query))) return -EFAULT; return len; @@ -157,10 +153,6 @@ static int can_copy_perf_config_registers_or_number(u32 user_n_regs, if (user_n_regs < kernel_n_regs) return -EINVAL; - if (!access_ok(u64_to_user_ptr(user_regs_ptr), - 2 * sizeof(u32) * kernel_n_regs)) - return -EFAULT; - return 0; } @@ -169,6 +161,7 @@ static int copy_perf_config_registers_or_number(const struct i915_oa_reg *kernel u64 user_regs_ptr, u32 *user_n_regs) { + u32 __user *p = u64_to_user_ptr(user_regs_ptr); u32 r; if (*user_n_regs == 0) { @@ -178,25 +171,19 @@ static int copy_perf_config_registers_or_number(const struct i915_oa_reg *kernel *user_n_regs = kernel_n_regs; - for (r = 0; r < kernel_n_regs; r++) { - u32 __user *user_reg_ptr = - u64_to_user_ptr(user_regs_ptr + sizeof(u32) * r * 2); - u32 __user *user_val_ptr = - u64_to_user_ptr(user_regs_ptr + sizeof(u32) * r * 2 + - sizeof(u32)); - int ret; - - ret = __put_user(i915_mmio_reg_offset(kernel_regs[r].addr), - user_reg_ptr); - if (ret) - return -EFAULT; + if (!user_write_access_begin(p, 2 * sizeof(u32) * kernel_n_regs)) + return -EFAULT; - ret = __put_user(kernel_regs[r].value, user_val_ptr); - if (ret) - return -EFAULT; + for (r = 0; r < kernel_n_regs; r++, p += 2) { + unsafe_put_user(i915_mmio_reg_offset(kernel_regs[r].addr), + p, Efault); + unsafe_put_user(kernel_regs[r].value, p + 1, Efault); } - + user_write_access_end(); return 0; +Efault: + user_write_access_end(); + return -EFAULT; } static int query_perf_config_data(struct drm_i915_private *i915, @@ -232,10 +219,7 @@ static int query_perf_config_data(struct drm_i915_private *i915, return -EINVAL; } - if (!access_ok(user_query_config_ptr, total_size)) - return -EFAULT; - - if (__get_user(flags, &user_query_config_ptr->flags)) + if (get_user(flags, &user_query_config_ptr->flags)) return -EFAULT; if (flags != 0) @@ -248,7 +232,7 @@ static int query_perf_config_data(struct drm_i915_private *i915, BUILD_BUG_ON(sizeof(user_query_config_ptr->uuid) >= sizeof(uuid)); memset(&uuid, 0, sizeof(uuid)); - if (__copy_from_user(uuid, user_query_config_ptr->uuid, + if (copy_from_user(uuid, user_query_config_ptr->uuid, sizeof(user_query_config_ptr->uuid))) return -EFAULT; @@ -262,7 +246,7 @@ static int query_perf_config_data(struct drm_i915_private *i915, } rcu_read_unlock(); } else { - if (__get_user(config_id, &user_query_config_ptr->config)) + if (get_user(config_id, &user_query_config_ptr->config)) return -EFAULT; oa_config = i915_perf_get_oa_config(perf, config_id); @@ -270,8 +254,7 @@ static int query_perf_config_data(struct drm_i915_private *i915, if (!oa_config) return -ENOENT; - if (__copy_from_user(&user_config, user_config_ptr, - sizeof(user_config))) { + if (copy_from_user(&user_config, user_config_ptr, sizeof(user_config))) { ret = -EFAULT; goto out; } @@ -317,8 +300,7 @@ static int query_perf_config_data(struct drm_i915_private *i915, memcpy(user_config.uuid, oa_config->uuid, sizeof(user_config.uuid)); - if (__copy_to_user(user_config_ptr, &user_config, - sizeof(user_config))) { + if (copy_to_user(user_config_ptr, &user_config, sizeof(user_config))) { ret = -EFAULT; goto out; } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 19e1fed198c3..f09120cac89a 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -186,7 +186,7 @@ typedef struct { #define INVALID_MMIO_REG _MMIO(0) -static inline u32 i915_mmio_reg_offset(i915_reg_t reg) +static __always_inline u32 i915_mmio_reg_offset(i915_reg_t reg) { return reg.reg; } diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 31ccd0559c55..153ca9e65382 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -559,7 +559,7 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm) * becaue the HDA driver may require us to enable the audio power * domain during system suspend. */ - dev_pm_set_driver_flags(kdev, DPM_FLAG_NEVER_SKIP); + dev_pm_set_driver_flags(kdev, DPM_FLAG_NO_DIRECT_COMPLETE); pm_runtime_set_autosuspend_delay(kdev, 10000); /* 10s */ pm_runtime_mark_last_busy(kdev); diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 47fde54150f4..9b105b811f1f 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -25,6 +25,8 @@ #include <linux/pm_domain.h> #include <linux/pm_runtime.h> +#include <drm/drm_managed.h> + #include "gt/intel_gt.h" #include "gt/intel_gt_requests.h" #include "gt/mock_engine.h" @@ -55,6 +57,9 @@ static void mock_device_release(struct drm_device *dev) { struct drm_i915_private *i915 = to_i915(dev); + if (!i915->do_release) + goto out; + mock_device_flush(i915); intel_gt_driver_remove(&i915->gt); @@ -71,8 +76,9 @@ static void mock_device_release(struct drm_device *dev) drm_mode_config_cleanup(&i915->drm); - drm_dev_fini(&i915->drm); +out: put_device(&i915->drm.pdev->dev); + i915->drm.pdev = NULL; } static struct drm_driver mock_driver = { @@ -114,9 +120,14 @@ struct drm_i915_private *mock_gem_device(void) struct pci_dev *pdev; int err; - pdev = kzalloc(sizeof(*pdev) + sizeof(*i915), GFP_KERNEL); + pdev = kzalloc(sizeof(*pdev), GFP_KERNEL); if (!pdev) - goto err; + return NULL; + i915 = kzalloc(sizeof(*i915), GFP_KERNEL); + if (!i915) { + kfree(pdev); + return NULL; + } device_initialize(&pdev->dev); pdev->class = PCI_BASE_CLASS_DISPLAY << 16; @@ -129,7 +140,6 @@ struct drm_i915_private *mock_gem_device(void) pdev->dev.archdata.iommu = (void *)-1; #endif - i915 = (struct drm_i915_private *)(pdev + 1); pci_set_drvdata(pdev, i915); dev_pm_domain_set(&pdev->dev, &pm_domain); @@ -141,9 +151,13 @@ struct drm_i915_private *mock_gem_device(void) err = drm_dev_init(&i915->drm, &mock_driver, &pdev->dev); if (err) { pr_err("Failed to initialise mock GEM device: err=%d\n", err); - goto put_device; + put_device(&pdev->dev); + kfree(i915); + + return NULL; } i915->drm.pdev = pdev; + drmm_add_final_kfree(&i915->drm, i915); intel_runtime_pm_init_early(&i915->runtime_pm); @@ -188,6 +202,8 @@ struct drm_i915_private *mock_gem_device(void) __clear_bit(I915_WEDGED, &i915->gt.reset.flags); intel_engines_driver_register(i915); + i915->do_release = true; + return i915; err_context: @@ -198,9 +214,7 @@ err_drv: intel_gt_driver_late_release(&i915->gt); intel_memory_regions_driver_release(i915); drm_mode_config_cleanup(&i915->drm); - drm_dev_fini(&i915->drm); -put_device: - put_device(&pdev->dev); -err: + drm_dev_put(&i915->drm); + return NULL; } |