Merge branch 'bits/200-dcp' into asahi-wip

Author: jannau

Documentation/devicetree/bindings/display/simple-framebuffer.yaml

@@ -26,7 +26,8 @@ description: |+
   over control to a driver for the real hardware. The bindings for the
   hw nodes must specify which node is considered the primary node.
 
-  If a panel node is given, then the driver uses this to configure the
+  If a panel or panel-dimensions node is given, then the driver uses
+  this to configure the
   physical width and height of the display. If no panel node is given,
   then the driver uses the width and height properties of the simplefb
   node to estimate it.
@@ -126,6 +127,10 @@ properties:
     $ref: /schemas/types.yaml#/definitions/phandle
     description: Display panel node
 
+  panel-dimensions:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Display panel node (without enforcing probe order)
+
   allwinner,pipeline:
     description: Pipeline used by the framebuffer on Allwinner SoCs
     enum:

MAINTAINERS

@@ -1702,6 +1702,13 @@ L:	linux-input@vger.kernel.org
 S:	Odd fixes
 F:	drivers/input/mouse/bcm5974.c
 
+APPLE DRM DISPLAY DRIVER
+M:	Janne Grunau <j@jannau.net>
+L:	dri-devel@lists.freedesktop.org
+S:	Maintained
+T:	git git://anongit.freedesktop.org/drm/drm-misc
+F:	drivers/gpu/drm/apple/
+
 APPLE PCIE CONTROLLER DRIVER
 M:	Alyssa Rosenzweig <alyssa@rosenzweig.io>
 M:	Marc Zyngier <maz@kernel.org>

drivers/gpu/drm/Kconfig

@@ -449,6 +449,8 @@ source "drivers/gpu/drm/solomon/Kconfig"
 
 source "drivers/gpu/drm/sprd/Kconfig"
 
+source "drivers/gpu/drm/apple/Kconfig"
+
 source "drivers/gpu/drm/imagination/Kconfig"
 
 config DRM_HYPERV

drivers/gpu/drm/Makefile

@@ -213,6 +213,7 @@ obj-$(CONFIG_DRM_VBOXVIDEO) += vboxvideo/
 obj-$(CONFIG_DRM_LIMA)  += lima/
 obj-$(CONFIG_DRM_PANFROST) += panfrost/
 obj-$(CONFIG_DRM_PANTHOR) += panthor/
+obj-$(CONFIG_DRM_APPLE) += apple/
 obj-$(CONFIG_DRM_ASPEED_GFX) += aspeed/
 obj-$(CONFIG_DRM_MCDE) += mcde/
 obj-$(CONFIG_DRM_TIDSS) += tidss/

drivers/gpu/drm/apple/.gitignore

@@ -0,0 +1 @@
+*.hdrtest

drivers/gpu/drm/apple/Kconfig

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-2.0-only OR MIT
+config DRM_APPLE
+	tristate "DRM Support for Apple display controllers"
+	depends on DRM && OF && ARM64
+	depends on ARCH_APPLE || COMPILE_TEST
+	depends on APPLE_RTKIT
+	depends on OF_ADDRESS
+	select DRM_CLIENT_SELECTION
+	select DRM_KMS_HELPER
+	select DRM_KMS_DMA_HELPER
+	select DRM_GEM_DMA_HELPER
+	select VIDEOMODE_HELPERS
+	select MULTIPLEXER
+	help
+	  Say Y if you have an Apple Silicon chipset.
+
+config DRM_APPLE_AUDIO
+	bool "DisplayPort/HDMI Audio support"
+	default y
+	depends on DRM_APPLE
+	depends on SND
+	select SND_PCM
+	select SND_DMAENGINE_PCM
+
+config DRM_APPLE_DEBUG
+	bool "Enable additional driver debugging"
+	depends on DRM_APPLE
+	depends on EXPERT # only for developers

drivers/gpu/drm/apple/Makefile

@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: GPL-2.0-only OR MIT
+
+CFLAGS_trace.o = -I$(src)
+
+appledrm-y := apple_drv.o
+
+apple_dcp-y := afk.o dcp.o dcp_backlight.o dptxep.o iomfb.o parser.o systemep.o
+apple_dcp-$(CONFIG_DRM_APPLE_AUDIO) += audio.o
+apple_dcp-$(CONFIG_DRM_APPLE_AUDIO) += av.o
+apple_dcp-y += connector.o
+apple_dcp-y += ibootep.o
+apple_dcp-y += iomfb_v12_3.o
+apple_dcp-y += iomfb_v13_3.o
+apple_dcp-y += epic/dpavservep.o
+
+apple_dcp-$(CONFIG_TRACING) += trace.o
+
+obj-$(CONFIG_DRM_APPLE) += appledrm.o
+obj-$(CONFIG_DRM_APPLE) += apple_dcp.o
+
+# header test
+
+# exclude some broken headers from the test coverage
+no-header-test := \
+	hdmi-codec-chmap.h
+
+always-y += \
+	$(patsubst %.h,%.hdrtest, $(filter-out $(no-header-test), \
+		$(shell cd $(src) && find * -name '*.h')))
+
+quiet_cmd_hdrtest = HDRTEST $(patsubst %.hdrtest,%.h,$@)
+      cmd_hdrtest = $(CC) $(filter-out $(CFLAGS_GCOV), $(c_flags)) -S -o /dev/null -x c /dev/null -include $<; touch $@
+
+$(obj)/%.hdrtest: $(src)/%.h FORCE
+	$(call if_changed_dep,hdrtest)