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Legacy fbdev emulation support via DRM is achieved through KMS FB helpers. Most modesetting drivers enable provide fbdev emulation by default by selecting KMS FB helpers. A few provide a separate Kconfig option for the user to enable or disbale fbdev emulation. Enabling fbdev emulation is finally a distro-level decision. Having a top level Kconfig option for fbdev emulation helps by providing a uniform way to enable/disable fbdev emulation for any modesetting driver. It also lets us remove unnecessary driver specific Kconfig options that causes bloat. With a top level Kconfig in place, we can stub out the fb helper functions when not needed without breaking functionality. Having stub functions also prevents drivers to require wrapping fb helper function calls with #ifdefs. DRM_FBDEV_EMULATION defaults to y since many drivers enable fbdev emulation by default and majority of distributions expect the fbdev interface in the kernel. Signed-off-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
73 lines
2.5 KiB
Makefile
73 lines
2.5 KiB
Makefile
#
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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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drm-y := drm_auth.o drm_bufs.o drm_cache.o \
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drm_context.o drm_dma.o \
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drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
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drm_lock.o drm_memory.o drm_drv.o drm_vm.o \
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drm_agpsupport.o drm_scatter.o drm_pci.o \
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drm_platform.o drm_sysfs.o drm_hashtab.o drm_mm.o \
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drm_crtc.o drm_modes.o drm_edid.o \
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drm_info.o drm_debugfs.o drm_encoder_slave.o \
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drm_trace_points.o drm_global.o drm_prime.o \
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drm_rect.o drm_vma_manager.o drm_flip_work.o \
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drm_modeset_lock.o drm_atomic.o drm_bridge.o
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drm-$(CONFIG_COMPAT) += drm_ioc32.o
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drm-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_gem_cma_helper.o
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drm-$(CONFIG_PCI) += ati_pcigart.o
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drm-$(CONFIG_DRM_PANEL) += drm_panel.o
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drm-$(CONFIG_OF) += drm_of.o
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drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \
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drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o
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drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
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drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o
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drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o
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obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o
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CFLAGS_drm_trace_points.o := -I$(src)
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obj-$(CONFIG_DRM) += drm.o
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obj-$(CONFIG_DRM_MIPI_DSI) += drm_mipi_dsi.o
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obj-$(CONFIG_DRM_TTM) += ttm/
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obj-$(CONFIG_DRM_TDFX) += tdfx/
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obj-$(CONFIG_DRM_R128) += r128/
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obj-$(CONFIG_HSA_AMD) += amd/amdkfd/
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obj-$(CONFIG_DRM_RADEON)+= radeon/
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obj-$(CONFIG_DRM_AMDGPU)+= amd/amdgpu/
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obj-$(CONFIG_DRM_MGA) += mga/
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obj-$(CONFIG_DRM_I810) += i810/
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obj-$(CONFIG_DRM_I915) += i915/
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obj-$(CONFIG_DRM_MGAG200) += mgag200/
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obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus/
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obj-$(CONFIG_DRM_SIS) += sis/
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obj-$(CONFIG_DRM_SAVAGE)+= savage/
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obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/
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obj-$(CONFIG_DRM_VIA) +=via/
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obj-$(CONFIG_DRM_VGEM) += vgem/
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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-$(CONFIG_DRM_RCAR_DU) += rcar-du/
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obj-$(CONFIG_DRM_SHMOBILE) +=shmobile/
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obj-$(CONFIG_DRM_OMAP) += omapdrm/
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obj-y += tilcdc/
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obj-$(CONFIG_DRM_QXL) += qxl/
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obj-$(CONFIG_DRM_BOCHS) += bochs/
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obj-$(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-$(CONFIG_DRM_STI) += sti/
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obj-$(CONFIG_DRM_IMX) += imx/
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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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