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drm-misc-next for 5.5:

UAPI Changes:
-omap:
    -Add OMAP_BO_MEM_* flags to specify how to allocate BO (Tomi)
    -Reorder OMAP_BO_* #defines, no functional change (Tomi)
-Change unsupported error code from EINVAL to EOPNOTSUPP for: (Rodrigo)
    -drm_wait_vblank_ioctl
    -drm_crtc_get_sequence_ioctl
    -drm_crtc_queue_sequence_ioctl

Cross-subsystem Changes:
-None

Core Changes:
-Delete drmP.h \o/ (Sam)
-kerneldoc clarifications on zpos collisions and plane rects (Simon & Maarten)
-dp_helpers: Add link training repeater definitions added in DP 1.4 (Rodrigo)
-TODO: Add item to convert fbdev drivers to drm (Thomas)
-prime: Add mmap to drm_gem_object_funcs giving more control than vm_ops (Gerd)
-shmem/ttm/vram: Use new mmap gem_object callback (Gerd)

Driver Changes:
-malidp: Add display QoS configuration via devicetree (Wen)
-vkms: Add prime import support (Oleg)
-panfrost: Properly handle job timeouts when cancelling them (Steven)
trockchip/meson/sun4i(via dw-hdmi): Add Dynamic Range and Mastering infoframe					    support (Jonas)
-mxsfb: Add bridge support to accommodate dsi outputs (Robert)
-vboxvideo: Drop hand-rolled implementations and use fbdev emulation,
	    dirtyfb and drm_framebuffer struct from core/core helpers (Thomas)
-komeda: Add D71-specific line sizes and respect connector color fmt (Lowry)
-lima: Use shmem and reservation lock helpers from gem (Qiang)
-rockchip: Add gamma LUT support on vop crtcs (Ezequiel)
-omap:
  -Use refcount_t instead of rolling custom refcounting (Jean-Jacques)

Cc: Wen He <wen.he_1@nxp.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Cc: Oleg Vasilev <omrigann@gmail.com>
Cc: Steven Price <steven.price@arm.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Simon Ser <contact@emersion.fr>
Cc: Robert Chiras <robert.chiras@nxp.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Lowry Li <Lowry.Li@arm.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Ezequiel Garcia <ezequiel@collabora.com>
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>