bf9fb17c66
This module displays a user friendly message when a kernel panic occurs. It currently doesn't contain any debug information, but that can be added later. v2 * Use get_scanout_buffer() instead of the drm client API. (Thomas Zimmermann) * Add the panic reason to the panic message (Nerdopolis) * Add an exclamation mark (Nerdopolis) v3 * Rework the drawing functions, to write the pixels line by line and to use the drm conversion helper to support other formats. (Thomas Zimmermann) v4 * Use drm_fb_r1_to_32bit for fonts (Thomas Zimmermann) * Remove the default y to DRM_PANIC config option (Thomas Zimmermann) * Add foreground/background color config option * Fix the bottom lines not painted if the framebuffer height is not a multiple of the font height. * Automatically register the device to drm_panic, if the function get_scanout_buffer exists. (Thomas Zimmermann) v5 * Change the drawing API, use drm_fb_blit_from_r1() to draw the font. * Also add drm_fb_fill() to fill area with background color. * Add draw_pixel_xy() API for drivers that can't provide a linear buffer. * Add a flush() callback for drivers that needs to synchronize the buffer. * Add a void *private field, so drivers can pass private data to draw_pixel_xy() and flush(). v6 * Fix sparse warning for panic_msg and logo. v7 * Add select DRM_KMS_HELPER for the color conversion functions. v8 * Register directly each plane to the panic notifier (Sima) * Add raw_spinlock to properly handle concurrency (Sima) * Register plane instead of device, to avoid looping through plane list, and simplify code. * Replace get_scanout_buffer() logic with drm_panic_set_buffer() (Thomas Zimmermann) * Removed the draw_pixel_xy() API, will see later if it can be added back. v9 * Revert to using get_scanout_buffer() (Sima) * Move get_scanout_buffer() and panic_flush() to the plane helper functions (Thomas Zimmermann) * Register all planes with get_scanout_buffer() to the panic notifier * Use drm_panic_lock() to protect against race (Sima) v10 * Move blit and fill functions back in drm_panic (Thomas Zimmermann). * Simplify the text drawing functions. * Use kmsg_dumper instead of panic_notifier (Sima). v12 * Use array for map and pitch in struct drm_scanout_buffer to support multi-planar format later. (Thomas Zimmermann) * Better indent struct drm_scanout_buffer declaration. (Thomas Zimmermann) Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240409163432.352518-3-jfalempe@redhat.com Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
221 lines
6.2 KiB
Makefile
221 lines
6.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for the drm device driver. This driver provides support for the
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# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
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CFLAGS-$(CONFIG_DRM_USE_DYNAMIC_DEBUG) += -DDYNAMIC_DEBUG_MODULE
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# Unconditionally enable W=1 warnings locally
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# --- begin copy-paste W=1 warnings from scripts/Makefile.extrawarn
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subdir-ccflags-y += -Wextra -Wunused -Wno-unused-parameter
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subdir-ccflags-y += $(call cc-option, -Wrestrict)
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subdir-ccflags-y += -Wmissing-format-attribute
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subdir-ccflags-y += -Wold-style-definition
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subdir-ccflags-y += -Wmissing-include-dirs
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subdir-ccflags-y += $(call cc-option, -Wunused-but-set-variable)
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subdir-ccflags-y += $(call cc-option, -Wunused-const-variable)
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subdir-ccflags-y += $(call cc-option, -Wpacked-not-aligned)
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subdir-ccflags-y += $(call cc-option, -Wformat-overflow)
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# FIXME: fix -Wformat-truncation warnings and uncomment
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#subdir-ccflags-y += $(call cc-option, -Wformat-truncation)
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subdir-ccflags-y += $(call cc-option, -Wstringop-truncation)
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# The following turn off the warnings enabled by -Wextra
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ifeq ($(findstring 2, $(KBUILD_EXTRA_WARN)),)
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subdir-ccflags-y += -Wno-missing-field-initializers
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subdir-ccflags-y += -Wno-type-limits
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subdir-ccflags-y += -Wno-shift-negative-value
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endif
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ifeq ($(findstring 3, $(KBUILD_EXTRA_WARN)),)
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subdir-ccflags-y += -Wno-sign-compare
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endif
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# --- end copy-paste
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# Enable -Werror in CI and development
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subdir-ccflags-$(CONFIG_DRM_WERROR) += -Werror
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drm-y := \
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drm_aperture.o \
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drm_atomic.o \
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drm_atomic_uapi.o \
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drm_auth.o \
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drm_blend.o \
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drm_bridge.o \
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drm_cache.o \
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drm_client.o \
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drm_client_modeset.o \
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drm_color_mgmt.o \
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drm_connector.o \
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drm_crtc.o \
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drm_displayid.o \
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drm_drv.o \
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drm_dumb_buffers.o \
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drm_edid.o \
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drm_eld.o \
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drm_encoder.o \
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drm_file.o \
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drm_fourcc.o \
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drm_framebuffer.o \
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drm_gem.o \
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drm_ioctl.o \
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drm_lease.o \
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drm_managed.o \
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drm_mm.o \
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drm_mode_config.o \
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drm_mode_object.o \
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drm_modes.o \
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drm_modeset_lock.o \
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drm_plane.o \
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drm_prime.o \
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drm_print.o \
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drm_property.o \
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drm_syncobj.o \
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drm_sysfs.o \
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drm_trace_points.o \
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drm_vblank.o \
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drm_vblank_work.o \
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drm_vma_manager.o \
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drm_writeback.o
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drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o
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drm-$(CONFIG_COMPAT) += drm_ioc32.o
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drm-$(CONFIG_DRM_PANEL) += drm_panel.o
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drm-$(CONFIG_OF) += drm_of.o
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drm-$(CONFIG_PCI) += drm_pci.o
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drm-$(CONFIG_DEBUG_FS) += \
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drm_debugfs.o \
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drm_debugfs_crc.o
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drm-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
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drm-$(CONFIG_DRM_PRIVACY_SCREEN) += \
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drm_privacy_screen.o \
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drm_privacy_screen_x86.o
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drm-$(CONFIG_DRM_ACCEL) += ../../accel/drm_accel.o
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drm-$(CONFIG_DRM_PANIC) += drm_panic.o
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obj-$(CONFIG_DRM) += drm.o
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obj-$(CONFIG_DRM_PANEL_ORIENTATION_QUIRKS) += drm_panel_orientation_quirks.o
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#
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# Memory-management helpers
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#
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#
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obj-$(CONFIG_DRM_EXEC) += drm_exec.o
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obj-$(CONFIG_DRM_GPUVM) += drm_gpuvm.o
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obj-$(CONFIG_DRM_BUDDY) += drm_buddy.o
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drm_dma_helper-y := drm_gem_dma_helper.o
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drm_dma_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fbdev_dma.o
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drm_dma_helper-$(CONFIG_DRM_KMS_HELPER) += drm_fb_dma_helper.o
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obj-$(CONFIG_DRM_GEM_DMA_HELPER) += drm_dma_helper.o
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drm_shmem_helper-y := drm_gem_shmem_helper.o
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obj-$(CONFIG_DRM_GEM_SHMEM_HELPER) += drm_shmem_helper.o
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drm_suballoc_helper-y := drm_suballoc.o
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obj-$(CONFIG_DRM_SUBALLOC_HELPER) += drm_suballoc_helper.o
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drm_vram_helper-y := drm_gem_vram_helper.o
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obj-$(CONFIG_DRM_VRAM_HELPER) += drm_vram_helper.o
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drm_ttm_helper-y := drm_gem_ttm_helper.o
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obj-$(CONFIG_DRM_TTM_HELPER) += drm_ttm_helper.o
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#
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# Modesetting helpers
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#
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drm_kms_helper-y := \
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drm_atomic_helper.o \
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drm_atomic_state_helper.o \
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drm_bridge_connector.o \
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drm_crtc_helper.o \
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drm_damage_helper.o \
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drm_encoder_slave.o \
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drm_flip_work.o \
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drm_format_helper.o \
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drm_gem_atomic_helper.o \
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drm_gem_framebuffer_helper.o \
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drm_kms_helper_common.o \
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drm_modeset_helper.o \
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drm_plane_helper.o \
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drm_probe_helper.o \
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drm_rect.o \
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drm_self_refresh_helper.o \
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drm_simple_kms_helper.o
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drm_kms_helper-$(CONFIG_DRM_PANEL_BRIDGE) += bridge/panel.o
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drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += \
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drm_fbdev_generic.o \
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drm_fb_helper.o
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obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o
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#
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# Drivers and the rest
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#
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obj-y += tests/
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obj-$(CONFIG_DRM_MIPI_DBI) += drm_mipi_dbi.o
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obj-$(CONFIG_DRM_MIPI_DSI) += drm_mipi_dsi.o
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obj-y += arm/
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obj-y += display/
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obj-$(CONFIG_DRM_TTM) += ttm/
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obj-$(CONFIG_DRM_SCHED) += scheduler/
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obj-$(CONFIG_DRM_RADEON)+= radeon/
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obj-$(CONFIG_DRM_AMDGPU)+= amd/amdgpu/
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obj-$(CONFIG_DRM_AMDGPU)+= amd/amdxcp/
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obj-$(CONFIG_DRM_I915) += i915/
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obj-$(CONFIG_DRM_XE) += xe/
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obj-$(CONFIG_DRM_KMB_DISPLAY) += kmb/
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obj-$(CONFIG_DRM_MGAG200) += mgag200/
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obj-$(CONFIG_DRM_V3D) += v3d/
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obj-$(CONFIG_DRM_VC4) += vc4/
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obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/
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obj-$(CONFIG_DRM_VGEM) += vgem/
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obj-$(CONFIG_DRM_VKMS) += vkms/
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obj-$(CONFIG_DRM_NOUVEAU) +=nouveau/
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obj-$(CONFIG_DRM_EXYNOS) +=exynos/
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obj-$(CONFIG_DRM_ROCKCHIP) +=rockchip/
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obj-$(CONFIG_DRM_GMA500) += gma500/
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obj-$(CONFIG_DRM_UDL) += udl/
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obj-$(CONFIG_DRM_AST) += ast/
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obj-$(CONFIG_DRM_ARMADA) += armada/
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obj-$(CONFIG_DRM_ATMEL_HLCDC) += atmel-hlcdc/
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obj-y += renesas/
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obj-y += omapdrm/
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obj-$(CONFIG_DRM_SUN4I) += sun4i/
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obj-y += tilcdc/
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obj-$(CONFIG_DRM_QXL) += qxl/
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obj-$(CONFIG_DRM_VIRTIO_GPU) += virtio/
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obj-$(CONFIG_DRM_MSM) += msm/
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obj-$(CONFIG_DRM_TEGRA) += tegra/
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obj-$(CONFIG_DRM_STM) += stm/
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obj-$(CONFIG_DRM_STI) += sti/
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obj-y += imx/
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obj-$(CONFIG_DRM_INGENIC) += ingenic/
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obj-$(CONFIG_DRM_LOGICVC) += logicvc/
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obj-$(CONFIG_DRM_MEDIATEK) += mediatek/
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obj-$(CONFIG_DRM_MESON) += meson/
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obj-y += i2c/
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obj-y += panel/
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obj-y += bridge/
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obj-$(CONFIG_DRM_FSL_DCU) += fsl-dcu/
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obj-$(CONFIG_DRM_ETNAVIV) += etnaviv/
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obj-y += hisilicon/
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obj-y += mxsfb/
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obj-y += tiny/
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obj-$(CONFIG_DRM_PL111) += pl111/
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obj-$(CONFIG_DRM_TVE200) += tve200/
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obj-$(CONFIG_DRM_XEN) += xen/
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obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo/
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obj-$(CONFIG_DRM_LIMA) += lima/
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obj-$(CONFIG_DRM_PANFROST) += panfrost/
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obj-$(CONFIG_DRM_PANTHOR) += panthor/
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obj-$(CONFIG_DRM_ASPEED_GFX) += aspeed/
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obj-$(CONFIG_DRM_MCDE) += mcde/
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obj-$(CONFIG_DRM_TIDSS) += tidss/
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obj-y += xlnx/
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obj-y += gud/
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obj-$(CONFIG_DRM_HYPERV) += hyperv/
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obj-y += solomon/
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obj-$(CONFIG_DRM_SPRD) += sprd/
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obj-$(CONFIG_DRM_LOONGSON) += loongson/
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obj-$(CONFIG_DRM_POWERVR) += imagination/
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