/* SPDX-License-Identifier: MIT *//* * Copyright © 2023 Intel Corporation */ #include <drm/drm_fb_helper.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> struct intel_framebuffer *intel_fbdev_fb_alloc(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes){ 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; 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); size = mode_cmd.pitches[0] * mode_cmd.height; size = PAGE_ALIGN(size); obj = ERR_PTR(-ENODEV); if (!IS_DGFX(xe) && !XE_WA(xe_root_mmio_gt(xe), 22019338487_display)) { obj = xe_bo_create_pin_map(xe, xe_device_get_root_tile(xe), NULL, size, ttm_bo_type_kernel, XE_BO_FLAG_SCANOUT | XE_BO_FLAG_STOLEN | XE_BO_FLAG_PINNED); if (!IS_ERR(obj)) drm_info(&xe->drm, "Allocated fbdev into stolen\n"); else drm_info(&xe->drm, "Allocated fbdev into stolen failed: %li\n", PTR_ERR(obj)); } if (IS_ERR(obj)) { obj = xe_bo_create_pin_map(xe, xe_device_get_root_tile(xe), NULL, size, ttm_bo_type_kernel, XE_BO_FLAG_SCANOUT | XE_BO_FLAG_VRAM_IF_DGFX(xe_device_get_root_tile(xe)) | XE_BO_FLAG_PINNED); } 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, &mode_cmd); if (IS_ERR(fb)) { xe_bo_unpin_map_no_vm(obj); goto err; } drm_gem_object_put(&obj->ttm.base); return to_intel_framebuffer(fb); err: return ERR_CAST(fb);} int intel_fbdev_fb_fill_info(struct drm_i915_private *i915, 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(i915->drm.dev); if (!(obj->flags & XE_BO_FLAG_SYSTEM)) { if (obj->flags & XE_BO_FLAG_STOLEN) info->fix.smem_start = xe_ttm_stolen_io_offset(obj, 0); else info->fix.smem_start = pci_resource_start(pdev, 2) + xe_bo_addr(obj, 0, XE_PAGE_SIZE); info->fix.smem_len = obj->ttm.base.size; } else { /* XXX: Pure fiction, as the BO may not be physically accessible.. */ info->fix.smem_start = 0; info->fix.smem_len = obj->ttm.base.size; } XE_WARN_ON(iosys_map_is_null(&obj->vmap)); info->screen_base = obj->vmap.vaddr_iomem; info->screen_size = obj->ttm.base.size; return 0;}
/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2023 Intel Corporation
*/
#include <drm/drm_fb_helper.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>
struct intel_framebuffer *intel_fbdev_fb_alloc(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes)
{
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;
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);
size = mode_cmd.pitches[0] * mode_cmd.height;
size = PAGE_ALIGN(size);
obj = ERR_PTR(-ENODEV);
if (!IS_DGFX(xe) && !XE_WA(xe_root_mmio_gt(xe), 22019338487_display)) {
obj = xe_bo_create_pin_map(xe, xe_device_get_root_tile(xe),
NULL, size,
ttm_bo_type_kernel, XE_BO_FLAG_SCANOUT |
XE_BO_FLAG_STOLEN |
XE_BO_FLAG_PINNED);
if (!IS_ERR(obj))
drm_info(&xe->drm, "Allocated fbdev into stolen\n");
else
drm_info(&xe->drm, "Allocated fbdev into stolen failed: %li\n", PTR_ERR(obj));
}
if (IS_ERR(obj)) {
obj = xe_bo_create_pin_map(xe, xe_device_get_root_tile(xe), NULL, size,
ttm_bo_type_kernel, XE_BO_FLAG_SCANOUT |
XE_BO_FLAG_VRAM_IF_DGFX(xe_device_get_root_tile(xe)) |
XE_BO_FLAG_PINNED);
}
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, &mode_cmd);
if (IS_ERR(fb)) {
xe_bo_unpin_map_no_vm(obj);
goto err;
}
drm_gem_object_put(&obj->ttm.base);
return to_intel_framebuffer(fb);
err:
return ERR_CAST(fb);
}
int intel_fbdev_fb_fill_info(struct drm_i915_private *i915, 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(i915->drm.dev);
if (!(obj->flags & XE_BO_FLAG_SYSTEM)) {
if (obj->flags & XE_BO_FLAG_STOLEN)
info->fix.smem_start = xe_ttm_stolen_io_offset(obj, 0);
else
info->fix.smem_start =
pci_resource_start(pdev, 2) +
xe_bo_addr(obj, 0, XE_PAGE_SIZE);
info->fix.smem_len = obj->ttm.base.size;
} else {
/* XXX: Pure fiction, as the BO may not be physically accessible.. */
info->fix.smem_start = 0;
info->fix.smem_len = obj->ttm.base.size;
}
XE_WARN_ON(iosys_map_is_null(&obj->vmap));
info->screen_base = obj->vmap.vaddr_iomem;
info->screen_size = obj->ttm.base.size;
return 0;
}