diff options
Diffstat (limited to 'drivers/gpu/drm/xe/display')
| -rw-r--r-- | drivers/gpu/drm/xe/display/ext/i915_utils.c | 27 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/intel_bo.c | 60 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/intel_fb_bo.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/intel_fbdev_fb.c | 70 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_display.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_display.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_display_rpm.c | 61 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_display_rpm.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_display_wa.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_panic.c | 50 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_plane_initial.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/display/xe_stolen.c | 123 |
12 files changed, 299 insertions, 140 deletions
diff --git a/drivers/gpu/drm/xe/display/ext/i915_utils.c b/drivers/gpu/drm/xe/display/ext/i915_utils.c deleted file mode 100644 index 1421c2a7b64d..000000000000 --- a/drivers/gpu/drm/xe/display/ext/i915_utils.c +++ /dev/null @@ -1,27 +0,0 @@ -// SPDX-License-Identifier: MIT -/* - * Copyright © 2023 Intel Corporation - */ - -#include "i915_drv.h" -#include "i915_utils.h" - -bool i915_vtd_active(struct drm_i915_private *i915) -{ - if (device_iommu_mapped(i915->drm.dev)) - return true; - - /* Running as a guest, we assume the host is enforcing VT'd */ - return i915_run_as_guest(); -} - -#if IS_ENABLED(CONFIG_DRM_I915_DEBUG) - -/* i915 specific, just put here for shutting it up */ -int __i915_inject_probe_error(struct drm_i915_private *i915, int err, - const char *func, int line) -{ - return 0; -} - -#endif diff --git a/drivers/gpu/drm/xe/display/intel_bo.c b/drivers/gpu/drm/xe/display/intel_bo.c index 27437c22bd70..bad2243b9114 100644 --- a/drivers/gpu/drm/xe/display/intel_bo.c +++ b/drivers/gpu/drm/xe/display/intel_bo.c @@ -5,6 +5,7 @@ #include "xe_bo.h" #include "intel_bo.h" +#include "intel_frontbuffer.h" bool intel_bo_is_tiled(struct drm_gem_object *obj) { @@ -28,10 +29,6 @@ bool intel_bo_is_protected(struct drm_gem_object *obj) return xe_bo_is_protected(gem_to_xe_bo(obj)); } -void intel_bo_flush_if_display(struct drm_gem_object *obj) -{ -} - int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) { return drm_gem_prime_mmap(obj, vma); @@ -44,15 +41,60 @@ int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, i return xe_bo_read(bo, offset, dst, size); } -struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj) +struct xe_frontbuffer { + struct intel_frontbuffer base; + struct drm_gem_object *obj; + struct kref ref; +}; + +struct intel_frontbuffer *intel_bo_frontbuffer_get(struct drm_gem_object *obj) +{ + struct xe_frontbuffer *front; + + front = kmalloc(sizeof(*front), GFP_KERNEL); + if (!front) + return NULL; + + intel_frontbuffer_init(&front->base, obj->dev); + + kref_init(&front->ref); + + drm_gem_object_get(obj); + front->obj = obj; + + return &front->base; +} + +void intel_bo_frontbuffer_ref(struct intel_frontbuffer *_front) { - return NULL; + struct xe_frontbuffer *front = + container_of(_front, typeof(*front), base); + + kref_get(&front->ref); +} + +static void frontbuffer_release(struct kref *ref) +{ + struct xe_frontbuffer *front = + container_of(ref, typeof(*front), ref); + + intel_frontbuffer_fini(&front->base); + + drm_gem_object_put(front->obj); + + kfree(front); +} + +void intel_bo_frontbuffer_put(struct intel_frontbuffer *_front) +{ + struct xe_frontbuffer *front = + container_of(_front, typeof(*front), base); + + kref_put(&front->ref, frontbuffer_release); } -struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj, - struct intel_frontbuffer *front) +void intel_bo_frontbuffer_flush_for_display(struct intel_frontbuffer *front) { - return front; } void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj) diff --git a/drivers/gpu/drm/xe/display/intel_fb_bo.c b/drivers/gpu/drm/xe/display/intel_fb_bo.c index ebdb22c9499d..db8b1a27b4de 100644 --- a/drivers/gpu/drm/xe/display/intel_fb_bo.c +++ b/drivers/gpu/drm/xe/display/intel_fb_bo.c @@ -24,8 +24,7 @@ void intel_fb_bo_framebuffer_fini(struct drm_gem_object *obj) xe_bo_put(bo); } -int intel_fb_bo_framebuffer_init(struct drm_framebuffer *fb, - struct drm_gem_object *obj, +int intel_fb_bo_framebuffer_init(struct drm_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd) { struct xe_bo *bo = gem_to_xe_bo(obj); diff --git a/drivers/gpu/drm/xe/display/intel_fbdev_fb.c b/drivers/gpu/drm/xe/display/intel_fbdev_fb.c index 8ea9a472113c..7ad76022cb14 100644 --- a/drivers/gpu/drm/xe/display/intel_fbdev_fb.c +++ b/drivers/gpu/drm/xe/display/intel_fbdev_fb.c @@ -3,45 +3,34 @@ * Copyright © 2023 Intel Corporation */ -#include <drm/drm_fb_helper.h> +#include <linux/fb.h> -#include "intel_display_core.h" -#include "intel_display_types.h" -#include "intel_fb.h" #include "intel_fbdev_fb.h" #include "xe_bo.h" #include "xe_ttm_stolen_mgr.h" #include "xe_wa.h" -#include <generated/xe_wa_oob.h> +#include <generated/xe_device_wa_oob.h> -struct intel_framebuffer *intel_fbdev_fb_alloc(struct drm_fb_helper *helper, - struct drm_fb_helper_surface_size *sizes) +/* + * FIXME: There shouldn't be any reason to have XE_PAGE_SIZE stride + * alignment. The same 64 as i915 uses should be fine, and we shouldn't need to + * have driver specific values. However, dropping the stride alignment to 64 + * leads to underflowing the bo pin count in the atomic cleanup work. + */ +u32 intel_fbdev_fb_pitch_align(u32 stride) { - struct drm_framebuffer *fb; - struct drm_device *dev = helper->dev; - struct xe_device *xe = to_xe_device(dev); - struct drm_mode_fb_cmd2 mode_cmd = {}; - struct xe_bo *obj; - int size; - - /* we don't do packed 24bpp */ - if (sizes->surface_bpp == 24) - sizes->surface_bpp = 32; - - mode_cmd.width = sizes->surface_width; - mode_cmd.height = sizes->surface_height; + return ALIGN(stride, XE_PAGE_SIZE); +} - mode_cmd.pitches[0] = ALIGN(mode_cmd.width * - DIV_ROUND_UP(sizes->surface_bpp, 8), XE_PAGE_SIZE); - mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, - sizes->surface_depth); +struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size) +{ + struct xe_device *xe = to_xe_device(drm); + struct xe_bo *obj; - size = mode_cmd.pitches[0] * mode_cmd.height; - size = PAGE_ALIGN(size); obj = ERR_PTR(-ENODEV); - if (!IS_DGFX(xe) && !XE_GT_WA(xe_root_mmio_gt(xe), 22019338487_display)) { + if (!IS_DGFX(xe) && !XE_DEVICE_WA(xe, 22019338487_display)) { obj = xe_bo_create_pin_map_novm(xe, xe_device_get_root_tile(xe), size, ttm_bo_type_kernel, XE_BO_FLAG_SCANOUT | @@ -62,33 +51,22 @@ struct intel_framebuffer *intel_fbdev_fb_alloc(struct drm_fb_helper *helper, if (IS_ERR(obj)) { drm_err(&xe->drm, "failed to allocate framebuffer (%pe)\n", obj); - fb = ERR_PTR(-ENOMEM); - goto err; - } - - fb = intel_framebuffer_create(&obj->ttm.base, - drm_get_format_info(dev, - mode_cmd.pixel_format, - mode_cmd.modifier[0]), - &mode_cmd); - if (IS_ERR(fb)) { - xe_bo_unpin_map_no_vm(obj); - goto err; + return ERR_PTR(-ENOMEM); } - drm_gem_object_put(&obj->ttm.base); - - return to_intel_framebuffer(fb); + return &obj->ttm.base; +} -err: - return ERR_CAST(fb); +void intel_fbdev_fb_bo_destroy(struct drm_gem_object *obj) +{ + xe_bo_unpin_map_no_vm(gem_to_xe_bo(obj)); } -int intel_fbdev_fb_fill_info(struct intel_display *display, struct fb_info *info, +int intel_fbdev_fb_fill_info(struct drm_device *drm, struct fb_info *info, struct drm_gem_object *_obj, struct i915_vma *vma) { struct xe_bo *obj = gem_to_xe_bo(_obj); - struct pci_dev *pdev = to_pci_dev(display->drm->dev); + struct pci_dev *pdev = to_pci_dev(drm->dev); if (!(obj->flags & XE_BO_FLAG_SYSTEM)) { if (obj->flags & XE_BO_FLAG_STOLEN) diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c index 19e691fccf8c..8b0afa270216 100644 --- a/drivers/gpu/drm/xe/display/xe_display.c +++ b/drivers/gpu/drm/xe/display/xe_display.c @@ -13,6 +13,8 @@ #include <drm/drm_drv.h> #include <drm/drm_managed.h> #include <drm/drm_probe_helper.h> +#include <drm/intel/display_member.h> +#include <drm/intel/display_parent_interface.h> #include <uapi/drm/xe_drm.h> #include "soc/intel_dram.h" @@ -33,8 +35,12 @@ #include "intel_hotplug.h" #include "intel_opregion.h" #include "skl_watermark.h" +#include "xe_display_rpm.h" #include "xe_module.h" +/* Ensure drm and display members are placed properly. */ +INTEL_DISPLAY_MEMBER_STATIC_ASSERT(struct xe_device, drm, display); + /* Xe device functions */ /** @@ -223,15 +229,14 @@ void xe_display_irq_reset(struct xe_device *xe) gen11_display_irq_reset(display); } -void xe_display_irq_postinstall(struct xe_device *xe, struct xe_gt *gt) +void xe_display_irq_postinstall(struct xe_device *xe) { struct intel_display *display = xe->display; if (!xe->info.probe_display) return; - if (gt->info.id == XE_GT0) - gen11_de_irq_postinstall(display); + gen11_de_irq_postinstall(display); } static bool suspend_to_idle(void) @@ -324,7 +329,7 @@ void xe_display_pm_suspend(struct xe_device *xe) * properly. */ intel_power_domains_disable(display); - drm_client_dev_suspend(&xe->drm, false); + drm_client_dev_suspend(&xe->drm); if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(&xe->drm); @@ -356,7 +361,7 @@ void xe_display_pm_shutdown(struct xe_device *xe) return; intel_power_domains_disable(display); - drm_client_dev_suspend(&xe->drm, false); + drm_client_dev_suspend(&xe->drm); if (intel_display_device_present(display)) { drm_kms_helper_poll_disable(&xe->drm); @@ -481,7 +486,7 @@ void xe_display_pm_resume(struct xe_device *xe) intel_opregion_resume(display); - drm_client_dev_resume(&xe->drm, false); + drm_client_dev_resume(&xe->drm); intel_power_domains_enable(display); } @@ -511,6 +516,10 @@ static void display_device_remove(struct drm_device *dev, void *arg) intel_display_device_remove(display); } +static const struct intel_display_parent_interface parent = { + .rpm = &xe_display_rpm_interface, +}; + /** * xe_display_probe - probe display and create display struct * @xe: XE device instance @@ -531,7 +540,7 @@ int xe_display_probe(struct xe_device *xe) if (!xe->info.probe_display) goto no_display; - display = intel_display_device_probe(pdev); + display = intel_display_device_probe(pdev, &parent); if (IS_ERR(display)) return PTR_ERR(display); diff --git a/drivers/gpu/drm/xe/display/xe_display.h b/drivers/gpu/drm/xe/display/xe_display.h index e533aa4750bc..76db95c25f7e 100644 --- a/drivers/gpu/drm/xe/display/xe_display.h +++ b/drivers/gpu/drm/xe/display/xe_display.h @@ -26,7 +26,7 @@ void xe_display_unregister(struct xe_device *xe); void xe_display_irq_handler(struct xe_device *xe, u32 master_ctl); void xe_display_irq_enable(struct xe_device *xe, u32 gu_misc_iir); void xe_display_irq_reset(struct xe_device *xe); -void xe_display_irq_postinstall(struct xe_device *xe, struct xe_gt *gt); +void xe_display_irq_postinstall(struct xe_device *xe); void xe_display_pm_suspend(struct xe_device *xe); void xe_display_pm_shutdown(struct xe_device *xe); @@ -55,7 +55,7 @@ static inline void xe_display_unregister(struct xe_device *xe) {} static inline void xe_display_irq_handler(struct xe_device *xe, u32 master_ctl) {} static inline void xe_display_irq_enable(struct xe_device *xe, u32 gu_misc_iir) {} static inline void xe_display_irq_reset(struct xe_device *xe) {} -static inline void xe_display_irq_postinstall(struct xe_device *xe, struct xe_gt *gt) {} +static inline void xe_display_irq_postinstall(struct xe_device *xe) {} static inline void xe_display_pm_suspend(struct xe_device *xe) {} static inline void xe_display_pm_shutdown(struct xe_device *xe) {} diff --git a/drivers/gpu/drm/xe/display/xe_display_rpm.c b/drivers/gpu/drm/xe/display/xe_display_rpm.c index 3825376e98cc..340f65884812 100644 --- a/drivers/gpu/drm/xe/display/xe_display_rpm.c +++ b/drivers/gpu/drm/xe/display/xe_display_rpm.c @@ -1,73 +1,74 @@ // SPDX-License-Identifier: MIT /* Copyright © 2025 Intel Corporation */ +#include <drm/intel/display_parent_interface.h> + #include "intel_display_core.h" #include "intel_display_rpm.h" #include "xe_device.h" #include "xe_device_types.h" #include "xe_pm.h" -static struct xe_device *display_to_xe(struct intel_display *display) -{ - return to_xe_device(display->drm); -} - -struct ref_tracker *intel_display_rpm_get_raw(struct intel_display *display) +static struct ref_tracker *xe_display_rpm_get(const struct drm_device *drm) { - return intel_display_rpm_get(display); + return xe_pm_runtime_resume_and_get(to_xe_device(drm)) ? INTEL_WAKEREF_DEF : NULL; } -void intel_display_rpm_put_raw(struct intel_display *display, struct ref_tracker *wakeref) +static struct ref_tracker *xe_display_rpm_get_if_in_use(const struct drm_device *drm) { - intel_display_rpm_put(display, wakeref); + return xe_pm_runtime_get_if_in_use(to_xe_device(drm)) ? INTEL_WAKEREF_DEF : NULL; } -struct ref_tracker *intel_display_rpm_get(struct intel_display *display) +static struct ref_tracker *xe_display_rpm_get_noresume(const struct drm_device *drm) { - return xe_pm_runtime_resume_and_get(display_to_xe(display)) ? INTEL_WAKEREF_DEF : NULL; -} - -struct ref_tracker *intel_display_rpm_get_if_in_use(struct intel_display *display) -{ - return xe_pm_runtime_get_if_in_use(display_to_xe(display)) ? INTEL_WAKEREF_DEF : NULL; -} - -struct ref_tracker *intel_display_rpm_get_noresume(struct intel_display *display) -{ - xe_pm_runtime_get_noresume(display_to_xe(display)); + xe_pm_runtime_get_noresume(to_xe_device(drm)); return INTEL_WAKEREF_DEF; } -void intel_display_rpm_put(struct intel_display *display, struct ref_tracker *wakeref) +static void xe_display_rpm_put(const struct drm_device *drm, struct ref_tracker *wakeref) { if (wakeref) - xe_pm_runtime_put(display_to_xe(display)); + xe_pm_runtime_put(to_xe_device(drm)); } -void intel_display_rpm_put_unchecked(struct intel_display *display) +static void xe_display_rpm_put_unchecked(const struct drm_device *drm) { - xe_pm_runtime_put(display_to_xe(display)); + xe_pm_runtime_put(to_xe_device(drm)); } -bool intel_display_rpm_suspended(struct intel_display *display) +static bool xe_display_rpm_suspended(const struct drm_device *drm) { - struct xe_device *xe = display_to_xe(display); + struct xe_device *xe = to_xe_device(drm); return pm_runtime_suspended(xe->drm.dev); } -void assert_display_rpm_held(struct intel_display *display) +static void xe_display_rpm_assert_held(const struct drm_device *drm) { /* FIXME */ } -void intel_display_rpm_assert_block(struct intel_display *display) +static void xe_display_rpm_assert_block(const struct drm_device *drm) { /* FIXME */ } -void intel_display_rpm_assert_unblock(struct intel_display *display) +static void xe_display_rpm_assert_unblock(const struct drm_device *drm) { /* FIXME */ } + +const struct intel_display_rpm_interface xe_display_rpm_interface = { + .get = xe_display_rpm_get, + .get_raw = xe_display_rpm_get, + .get_if_in_use = xe_display_rpm_get_if_in_use, + .get_noresume = xe_display_rpm_get_noresume, + .put = xe_display_rpm_put, + .put_raw = xe_display_rpm_put, + .put_unchecked = xe_display_rpm_put_unchecked, + .suspended = xe_display_rpm_suspended, + .assert_held = xe_display_rpm_assert_held, + .assert_block = xe_display_rpm_assert_block, + .assert_unblock = xe_display_rpm_assert_unblock +}; diff --git a/drivers/gpu/drm/xe/display/xe_display_rpm.h b/drivers/gpu/drm/xe/display/xe_display_rpm.h new file mode 100644 index 000000000000..0bf9d31e87c1 --- /dev/null +++ b/drivers/gpu/drm/xe/display/xe_display_rpm.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2025 Intel Corporation + */ + +#ifndef _XE_DISPLAY_RPM_H_ +#define _XE_DISPLAY_RPM_H_ + +extern const struct intel_display_rpm_interface xe_display_rpm_interface; + +#endif /* _XE_DISPLAY_RPM_H_ */ diff --git a/drivers/gpu/drm/xe/display/xe_display_wa.c b/drivers/gpu/drm/xe/display/xe_display_wa.c index 8ada1cbcb16c..2aa1b8c03411 100644 --- a/drivers/gpu/drm/xe/display/xe_display_wa.c +++ b/drivers/gpu/drm/xe/display/xe_display_wa.c @@ -13,6 +13,7 @@ bool intel_display_needs_wa_16023588340(struct intel_display *display) { struct xe_device *xe = to_xe_device(display->drm); + struct xe_gt *wa_gt = xe_root_mmio_gt(xe); - return XE_GT_WA(xe_root_mmio_gt(xe), 16023588340); + return wa_gt && XE_GT_WA(wa_gt, 16023588340); } diff --git a/drivers/gpu/drm/xe/display/xe_panic.c b/drivers/gpu/drm/xe/display/xe_panic.c index f32b23338331..df663286092a 100644 --- a/drivers/gpu/drm/xe/display/xe_panic.c +++ b/drivers/gpu/drm/xe/display/xe_panic.c @@ -8,20 +8,23 @@ #include "intel_fb.h" #include "intel_panic.h" #include "xe_bo.h" +#include "xe_res_cursor.h" struct intel_panic { - struct page **pages; + struct xe_res_cursor res; + struct iosys_map vmap; + int page; - void *vaddr; }; static void xe_panic_kunmap(struct intel_panic *panic) { - if (panic->vaddr) { - drm_clflush_virt_range(panic->vaddr, PAGE_SIZE); - kunmap_local(panic->vaddr); - panic->vaddr = NULL; + if (!panic->vmap.is_iomem && iosys_map_is_set(&panic->vmap)) { + drm_clflush_virt_range(panic->vmap.vaddr, PAGE_SIZE); + kunmap_local(panic->vmap.vaddr); } + iosys_map_clear(&panic->vmap); + panic->page = -1; } /* @@ -46,15 +49,29 @@ static void xe_panic_page_set_pixel(struct drm_scanout_buffer *sb, unsigned int new_page = offset >> PAGE_SHIFT; offset = offset % PAGE_SIZE; if (new_page != panic->page) { - xe_panic_kunmap(panic); + if (xe_bo_is_vram(bo)) { + /* Display is always mapped on root tile */ + struct xe_vram_region *vram = xe_bo_device(bo)->mem.vram; + + if (panic->page < 0 || new_page < panic->page) { + xe_res_first(bo->ttm.resource, new_page * PAGE_SIZE, + bo->ttm.base.size - new_page * PAGE_SIZE, &panic->res); + } else { + xe_res_next(&panic->res, PAGE_SIZE * (new_page - panic->page)); + } + iosys_map_set_vaddr_iomem(&panic->vmap, + vram->mapping + panic->res.start); + } else { + xe_panic_kunmap(panic); + iosys_map_set_vaddr(&panic->vmap, + ttm_bo_kmap_try_from_panic(&bo->ttm, + new_page)); + } panic->page = new_page; - panic->vaddr = ttm_bo_kmap_try_from_panic(&bo->ttm, - panic->page); - } - if (panic->vaddr) { - u32 *pix = panic->vaddr + offset; - *pix = color; } + + if (iosys_map_is_set(&panic->vmap)) + iosys_map_wr(&panic->vmap, offset, u32, color); } struct intel_panic *intel_panic_alloc(void) @@ -68,6 +85,12 @@ struct intel_panic *intel_panic_alloc(void) int intel_panic_setup(struct intel_panic *panic, struct drm_scanout_buffer *sb) { + struct intel_framebuffer *fb = (struct intel_framebuffer *)sb->private; + struct xe_bo *bo = gem_to_xe_bo(intel_fb_bo(&fb->base)); + + if (xe_bo_is_vram(bo) && !xe_bo_is_visible_vram(bo)) + return -ENODEV; + panic->page = -1; sb->set_pixel = xe_panic_page_set_pixel; return 0; @@ -76,5 +99,4 @@ int intel_panic_setup(struct intel_panic *panic, struct drm_scanout_buffer *sb) void intel_panic_finish(struct intel_panic *panic) { xe_panic_kunmap(panic); - panic->page = -1; } diff --git a/drivers/gpu/drm/xe/display/xe_plane_initial.c b/drivers/gpu/drm/xe/display/xe_plane_initial.c index 94f00def811b..12d25c5290fd 100644 --- a/drivers/gpu/drm/xe/display/xe_plane_initial.c +++ b/drivers/gpu/drm/xe/display/xe_plane_initial.c @@ -25,7 +25,7 @@ #include "xe_vram_types.h" #include "xe_wa.h" -#include <generated/xe_wa_oob.h> +#include <generated/xe_device_wa_oob.h> void intel_plane_initial_vblank_wait(struct intel_crtc *crtc) { @@ -123,7 +123,7 @@ initial_plane_bo(struct xe_device *xe, phys_base = base; flags |= XE_BO_FLAG_STOLEN; - if (XE_GT_WA(xe_root_mmio_gt(xe), 22019338487_display)) + if (XE_DEVICE_WA(xe, 22019338487_display)) return NULL; /* diff --git a/drivers/gpu/drm/xe/display/xe_stolen.c b/drivers/gpu/drm/xe/display/xe_stolen.c new file mode 100644 index 000000000000..9f04ba36e930 --- /dev/null +++ b/drivers/gpu/drm/xe/display/xe_stolen.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: MIT +/* Copyright © 2025 Intel Corporation */ + +#include "gem/i915_gem_stolen.h" +#include "xe_res_cursor.h" +#include "xe_ttm_stolen_mgr.h" +#include "xe_validation.h" + +struct intel_stolen_node { + struct xe_device *xe; + struct xe_bo *bo; +}; + +int i915_gem_stolen_insert_node_in_range(struct intel_stolen_node *node, u64 size, + unsigned int align, u64 start, u64 end) +{ + struct xe_device *xe = node->xe; + + struct xe_bo *bo; + int err = 0; + u32 flags = XE_BO_FLAG_PINNED | XE_BO_FLAG_STOLEN; + + if (start < SZ_4K) + start = SZ_4K; + + if (align) { + size = ALIGN(size, align); + start = ALIGN(start, align); + } + + bo = xe_bo_create_pin_range_novm(xe, xe_device_get_root_tile(xe), + size, start, end, ttm_bo_type_kernel, flags); + if (IS_ERR(bo)) { + err = PTR_ERR(bo); + bo = NULL; + return err; + } + + node->bo = bo; + + return err; +} + +int i915_gem_stolen_insert_node(struct intel_stolen_node *node, u64 size, unsigned int align) +{ + /* Not used on xe */ + WARN_ON(1); + + return -ENODEV; +} + +void i915_gem_stolen_remove_node(struct intel_stolen_node *node) +{ + xe_bo_unpin_map_no_vm(node->bo); + node->bo = NULL; +} + +bool i915_gem_stolen_initialized(struct drm_device *drm) +{ + struct xe_device *xe = to_xe_device(drm); + + return ttm_manager_type(&xe->ttm, XE_PL_STOLEN); +} + +bool i915_gem_stolen_node_allocated(const struct intel_stolen_node *node) +{ + return node->bo; +} + +u32 i915_gem_stolen_node_offset(struct intel_stolen_node *node) +{ + struct xe_res_cursor res; + + xe_res_first(node->bo->ttm.resource, 0, 4096, &res); + return res.start; +} + +/* Used for < gen4. These are not supported by Xe */ +u64 i915_gem_stolen_area_address(struct drm_device *drm) +{ + WARN_ON(1); + + return 0; +} + +/* Used for gen9 specific WA. Gen9 is not supported by Xe */ +u64 i915_gem_stolen_area_size(struct drm_device *drm) +{ + WARN_ON(1); + + return 0; +} + +u64 i915_gem_stolen_node_address(struct intel_stolen_node *node) +{ + struct xe_device *xe = node->xe; + + return xe_ttm_stolen_gpu_offset(xe) + i915_gem_stolen_node_offset(node); +} + +u64 i915_gem_stolen_node_size(const struct intel_stolen_node *node) +{ + return node->bo->ttm.base.size; +} + +struct intel_stolen_node *i915_gem_stolen_node_alloc(struct drm_device *drm) +{ + struct xe_device *xe = to_xe_device(drm); + struct intel_stolen_node *node; + + node = kzalloc(sizeof(*node), GFP_KERNEL); + if (!node) + return NULL; + + node->xe = xe; + + return node; +} + +void i915_gem_stolen_node_free(const struct intel_stolen_node *node) +{ + kfree(node); +} |