DRM: Add DRM KMS/FB CMA helper

This patchset introduces a set of helper function for implementing the KMS framebuffer layer for drivers which use the DRM GEM CMA helper function. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> [Make DRM_KMS_CMA_HELPER a boolean Kconfig option] Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
git-mirror · Sep 18, 2012 · 2e3b3c4 · 2e3b3c4
1 parent b9d4745
commit 2e3b3c4
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diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
@@ -60,6 +60,15 @@ config DRM_GEM_CMA_HELPER
 	help
 	  Choose this if you need the GEM CMA helper functions
 
+config DRM_KMS_CMA_HELPER
+	bool
+	select DRM_GEM_CMA_HELPER
+	select FB_SYS_FILLRECT
+	select FB_SYS_COPYAREA
+	select FB_SYS_IMAGEBLIT
+	help
+	  Choose this if you need the KMS CMA helper functions
+
 config DRM_TDFX
 	tristate "3dfx Banshee/Voodoo3+"
 	depends on DRM && PCI

diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
@@ -21,6 +21,7 @@ drm-usb-y   := drm_usb.o
 
 drm_kms_helper-y := drm_fb_helper.o drm_crtc_helper.o drm_dp_i2c_helper.o
 drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
+drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o
 
 obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o