[linux-yocto] [PATCH 2/3] emgd: enable building within the kernel sources

[nitin.a.kamble at intel.com]

From: Nitin A Kamble <nitin.a.kamble at intel.com>

Modify the build mechanism so that emgd can be configured and built
as a feature of the kernel.

Signed-off-by: Nitin A Kamble <nitin.a.kamble at intel.com>
---
 drivers/gpu/drm/Kconfig       |  9 +++++++++
 drivers/gpu/drm/Makefile      |  1 +
 drivers/gpu/drm/emgd/Makefile | 40 ++++------------------------------------
 3 files changed, 14 insertions(+), 36 deletions(-)

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 983201b..a301728 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -195,6 +195,15 @@ config DRM_SAVAGE
 	  Choose this option if you have a Savage3D/4/SuperSavage/Pro/Twister
 	  chipset. If M is selected the module will be called savage.
 
+config DRM_EGD
+       tristate "Intel EMGD"
+       depends on DRM
+       select DRM_KMS_HELPER
+       help
+         Choose this option if you have an EMGD-supported chipset
+         (Intel E6xx or System Controller Hub US15W/US15WP/WPT).
+         If M is selected the module will be called emgd.
+
 source "drivers/gpu/drm/exynos/Kconfig"
 
 source "drivers/gpu/drm/vmwgfx/Kconfig"
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 6f58c81..066640d 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -50,4 +50,5 @@ obj-$(CONFIG_DRM_UDL) += udl/
 obj-$(CONFIG_DRM_AST) += ast/
 obj-$(CONFIG_DRM_SHMOBILE) +=shmobile/
 obj-$(CONFIG_DRM_TEGRA) += tegra/
+obj-$(CONFIG_DRM_EGD)   +=emgd/
 obj-y			+= i2c/
diff --git a/drivers/gpu/drm/emgd/Makefile b/drivers/gpu/drm/emgd/Makefile
index 18d87fc..56ff3f6 100755
--- a/drivers/gpu/drm/emgd/Makefile
+++ b/drivers/gpu/drm/emgd/Makefile
@@ -24,10 +24,6 @@
 #----------------------------------------------------------------------------
 export EGD_TOPLEVEL = DRM Driver
 
-KERNELVER ?= $(shell uname -r)
-KERNELDIR ?= /lib/modules/$(KERNELVER)/build
-INSTALLDIR ?= /lib/modules/$(KERNELVER)/kernel/drivers/gpu/drm/emgd
-
 BLUE = \033[34m
 OFF = \033[0m
 BUILD ?= release
@@ -35,7 +31,7 @@ CONFIG_PVR_RELEASE ?= $(BUILD)
 CONFIG_DRM_EGD ?= m
 
 # Get the include paths pointed to the right place. 
-export  EMGD_MOD_DIR ?= $(CURDIR)
+export  EMGD_MOD_DIR ?= $(obj)
 
 BUILDDATE ?= $(shell date +%Y%m%d)
 
@@ -51,6 +47,7 @@ PROJECT_INCLUDES = \
 	   -I$(EMGD_MOD_DIR)/emgd/pal/ch7036 \
 	   -I$(EMGD_MOD_DIR)/emgd/drm \
 	   -I$(KERNELDIR)/include/drm \
+	   -Iinclude/drm \
 	   -I/usr/src/linux-headers-2.6.32-5-common/include/drm \
 	   -I$(EMGD_MOD_DIR)/pvr/include4 \
 	   -I$(EMGD_MOD_DIR)/pvr/services4/include \
@@ -120,6 +117,8 @@ ifeq ($(PDUMP),1)
 	EXTRA_CFLAGS += -DPDUMP=1
 endif
 
+ccflags-y += $(EXTRA_CFLAGS)
+
 EMGD_OBJS := \
 	emgd/drm/emgd_fb.o \
 	emgd/drm/emgd_fbcon.o \
@@ -298,34 +297,3 @@ ifeq ($(PDUMP),1)
 endif
 
 obj-$(CONFIG_DRM_EGD) += emgd.o
-
-all:: clean modules
-
-modules::
-	@echo $(CURDIR) -- $(CONFIG_PVR_RELEASE)
-	@echo "$(MAKE) -C $(KERNELDIR) M=$(CURDIR) modules"
-	@$(MAKE) -C $(KERNELDIR) M=$(CURDIR) modules
-
-clean::
-	@rm -f $(emgd-y)
-	@rm -f emgd.o emgd.mod.* emgd.ko Module.* modules.order
-	@find . -name "*.cmd" -exec rm '{}' \;
-
-install::
-	install -o root -g root -m 755 -d $(INSTALLDIR)
-	install -o root -g root -m 744 emgd.ko $(INSTALLDIR)
-	/sbin/depmod -a
-
-uninstall::
-	rmmod $(INSTALLDIR)/emgd.ko
-	rm -rf $(INSTALLDIR)/emgd.ko
-	/sbin/depmod -a
-
-debug::
-	export CONFIG_PVR_RELEASE=debug; $(MAKE) modules
-
-package:: clean
-	@echo -e "$(BLUE)Packaging $(EGD_TOPLEVEL)$(OFF)";
-	mkdir -p $(EGD_PKG)
-	tar -C $(EMGD_MOD_DIR) --exclude "CVS" -czf $(EGD_PKG)/emgd_drm.tgz *
-
-- 
1.8.1.4