From e762f5d44a12088899486443fef70f4c9c187db7 Mon Sep 17 00:00:00 2001
From: Lucian Cristian <lucian.cristian@gmail.com>
Date: Sat, 13 Apr 2019 20:26:07 +0300
Subject: kernel: Fix kmod-drm-amdgpu and kmod-drm-radeon dependencies

Currently the Geode builds fails on following kernel module missing
dependencies:

 Package kmod-drm-amdgpu is missing dependencies for the following libraries:
 backlight.ko
 drm_kms_helper.ko
 fb.ko
 ttm.ko

So this patch tries to fix the kmod-drm-amdgpu module dependecies.

Fixes: 2f239c0 ("x86: video: add amdgpu DRM kernel package")
Fixes: 2f6918e ("x86: video: add radeon DRM module support")
Tested-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>
---
 package/kernel/linux/modules/video.mk | 47 +++++++++++++++++++++++++++++------
 1 file changed, 40 insertions(+), 7 deletions(-)

(limited to 'package/kernel/linux')

diff --git a/package/kernel/linux/modules/video.mk b/package/kernel/linux/modules/video.mk
index f11431dc2d..f4b19e59a2 100644
--- a/package/kernel/linux/modules/video.mk
+++ b/package/kernel/linux/modules/video.mk
@@ -239,10 +239,45 @@ endef
 
 $(eval $(call KernelPackage,drm))
 
+define KernelPackage/drm-ttm
+  SUBMENU:=$(VIDEO_MENU)
+  TITLE:=GPU memory management subsystem
+  DEPENDS:=@DISPLAY_SUPPORT +kmod-drm
+  KCONFIG:=CONFIG_DRM_TTM
+  FILES:=$(LINUX_DIR)/drivers/gpu/drm/ttm/ttm.ko
+  AUTOLOAD:=$(call AutoProbe,ttm)
+endef
+
+define KernelPackage/drm-ttm/description
+  GPU memory management subsystem for devices with multiple GPU memory types.
+  Will be enabled automatically if a device driver uses it.
+endef
+
+$(eval $(call KernelPackage,drm-ttm))
+
+define KernelPackage/drm-kms-helper
+  SUBMENU:=$(VIDEO_MENU)
+  TITLE:=CRTC helpers for KMS drivers
+  DEPENDS:=@DISPLAY_SUPPORT +kmod-drm +kmod-fb +kmod-fb-sys-fops +kmod-fb-cfb-copyarea \
+	+kmod-fb-cfb-fillrect +kmod-fb-cfb-imgblt +kmod-fb-sys-ram
+  KCONFIG:= \
+    CONFIG_DRM_KMS_HELPER \
+    CONFIG_DRM_KMS_FB_HELPER=y
+  FILES:=$(LINUX_DIR)/drivers/gpu/drm/drm_kms_helper.ko
+  AUTOLOAD:=$(call AutoProbe,drm_kms_helper)
+endef
+
+define KernelPackage/drm-kms-helper/description
+  CRTC helpers for KMS drivers.
+endef
+
+$(eval $(call KernelPackage,drm-kms-helper))
+
 define KernelPackage/drm-amdgpu
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=AMDGPU DRM support
-  DEPENDS:=@TARGET_x86 @DISPLAY_SUPPORT +kmod-drm +kmod-i2c-algo-bit +amdgpu-firmware
+  DEPENDS:=@TARGET_x86 @DISPLAY_SUPPORT +kmod-backlight +kmod-drm-ttm \
+	+kmod-drm-kms-helper +kmod-i2c-algo-bit +amdgpu-firmware
   KCONFIG:=CONFIG_DRM_AMDGPU \
 	CONFIG_DRM_AMDGPU_SI=y \
 	CONFIG_DRM_AMDGPU_CIK=y \
@@ -264,7 +299,7 @@ $(eval $(call KernelPackage,drm-amdgpu))
 define KernelPackage/drm-imx
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=Freescale i.MX DRM support
-  DEPENDS:=@TARGET_imx6 +kmod-drm +kmod-fb +kmod-fb-cfb-copyarea +kmod-fb-cfb-imgblt +kmod-fb-cfb-fillrect +kmod-fb-sys-fops +kmod-fb-sys-ram
+  DEPENDS:=@TARGET_imx6 +kmod-drm-kms-helper
   KCONFIG:=CONFIG_DRM_IMX \
 	CONFIG_DRM_FBDEV_EMULATION=y \
 	CONFIG_DRM_FBDEV_OVERALLOC=100 \
@@ -272,8 +307,6 @@ define KernelPackage/drm-imx
 	CONFIG_RESET_CONTROLLER=y \
 	CONFIG_DRM_IMX_IPUV3 \
 	CONFIG_IMX_IPUV3 \
-	CONFIG_DRM_KMS_HELPER \
-	CONFIG_DRM_KMS_FB_HELPER=y \
 	CONFIG_DRM_GEM_CMA_HELPER=y \
 	CONFIG_DRM_KMS_CMA_HELPER=y \
 	CONFIG_DRM_IMX_FB_HELPER \
@@ -283,8 +316,7 @@ define KernelPackage/drm-imx
 	CONFIG_DRM_IMX_HDMI=n
   FILES:= \
 	$(LINUX_DIR)/drivers/gpu/drm/imx/imxdrm.ko \
-	$(LINUX_DIR)/drivers/gpu/ipu-v3/imx-ipu-v3.ko \
-	$(LINUX_DIR)/drivers/gpu/drm/drm_kms_helper.ko
+	$(LINUX_DIR)/drivers/gpu/ipu-v3/imx-ipu-v3.ko
   AUTOLOAD:=$(call AutoLoad,08,imxdrm imx-ipu-v3 imx-ipuv3-crtc)
 endef
 
@@ -342,7 +374,8 @@ $(eval $(call KernelPackage,drm-imx-ldb))
 define KernelPackage/drm-radeon
   SUBMENU:=$(VIDEO_MENU)
   TITLE:=Radeon DRM support
-  DEPENDS:=@TARGET_x86 @DISPLAY_SUPPORT +kmod-drm +kmod-i2c-algo-bit +radeon-firmware
+  DEPENDS:=@TARGET_x86 @DISPLAY_SUPPORT +kmod-backlight +kmod-drm-kms-helper \
+	+kmod-drm-ttm +kmod-i2c-algo-bit +radeon-firmware
   KCONFIG:=CONFIG_DRM_RADEON
   FILES:=$(LINUX_DIR)/drivers/gpu/drm/radeon/radeon.ko
   AUTOLOAD:=$(call AutoProbe,radeon)
-- 
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