Extern or forward variable declaration at include/drm/drm_gem_vram_helper.h, line 17 References: drivers/gpu/drm/ast/ast_mode.c, line 536 drivers/gpu/drm/ast/ast_mode.c, line 566 drivers/gpu/drm/ast/ast_mode.c, line 586 drivers/gpu/drm/ast/ast_mode.c, line 620 drivers/gpu/drm/ast/ast_mode.c, line 674 drivers/gpu/drm/ast/ast_mode.c, line 703 drivers/gpu/drm/ast/ast_mode.c, line 739 drivers/gpu/drm/drm_gem_vram_helper.c, line 765 drivers/gpu/drm/drm_gem_vram_helper.c, line 811 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c, line 60 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c, line 104 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c, line 163 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c, line 166 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c, line 541 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 252 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 270 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 314 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 325 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 375 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 429 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 497 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 503 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 545 drivers/gpu/drm/vboxvideo/vbox_mode.c, line 547 include/drm/drm_gem_vram_helper.h, line 17 include/drm/drm_gem_vram_helper.h, line 131 include/drm/drm_gem_vram_helper.h, line 134