diff options
Diffstat (limited to 'drivers/gpu/drm/xe/display/intel_fbdev_fb.c')
| -rw-r--r-- | drivers/gpu/drm/xe/display/intel_fbdev_fb.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/display/intel_fbdev_fb.c b/drivers/gpu/drm/xe/display/intel_fbdev_fb.c index 7ad76022cb14..87af5646c938 100644 --- a/drivers/gpu/drm/xe/display/intel_fbdev_fb.c +++ b/drivers/gpu/drm/xe/display/intel_fbdev_fb.c @@ -23,6 +23,29 @@ u32 intel_fbdev_fb_pitch_align(u32 stride) return ALIGN(stride, XE_PAGE_SIZE); } +bool intel_fbdev_fb_prefer_stolen(struct drm_device *drm, unsigned int size) +{ + struct xe_device *xe = to_xe_device(drm); + struct ttm_resource_manager *stolen; + + stolen = ttm_manager_type(&xe->ttm, XE_PL_STOLEN); + if (!stolen) + return false; + + if (IS_DGFX(xe)) + return false; + + if (XE_DEVICE_WA(xe, 22019338487_display)) + return false; + + /* + * If the FB is too big, just don't use it since fbdev is not very + * important and we should probably use that space with FBC or other + * features. + */ + return stolen->size >= size * 2; +} + struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size) { struct xe_device *xe = to_xe_device(drm); @@ -30,7 +53,7 @@ struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size obj = ERR_PTR(-ENODEV); - if (!IS_DGFX(xe) && !XE_DEVICE_WA(xe, 22019338487_display)) { + if (intel_fbdev_fb_prefer_stolen(drm, size)) { obj = xe_bo_create_pin_map_novm(xe, xe_device_get_root_tile(xe), size, ttm_bo_type_kernel, XE_BO_FLAG_SCANOUT | @@ -40,6 +63,8 @@ struct drm_gem_object *intel_fbdev_fb_bo_create(struct drm_device *drm, int size drm_info(&xe->drm, "Allocated fbdev into stolen\n"); else drm_info(&xe->drm, "Allocated fbdev into stolen failed: %li\n", PTR_ERR(obj)); + } else { + drm_info(&xe->drm, "Allocating fbdev: Stolen memory not preferred.\n"); } if (IS_ERR(obj)) { |