If DRM_FBDEV_EMULATION is not selected in the config then we can save a
bit of space by not including the framebuffer code.
Signed-off-by: John Keeping <john@xxxxxxxxxxxx>
---
On Thu, 21 Jan 2016 17:52:51 +0100, Daniel Vetter wrote:
> On Thu, Jan 21, 2016 at 01:53:46PM +0000, John Keeping wrote:
> > If DRM_FBDEV_EMULATION is not selected in the config then we should not
> > setup a framebuffer console.
>
> It should just magically work, and this patch here just removes a bit more
> dead code in the rockchip driver itself that's not needed in case fbdev
> emulation is disabled.
>
> Can you please double-check this is the case and then resend with a
> clarified commit message?
You're right, it does work without this change, so this is just to save
a bit of space when we don't need this feature.
v2:
- change commit message to clarify that this is only to remove some dead
code
drivers/gpu/drm/rockchip/Makefile | 3 ++-
drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h | 11 +++++++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile
index a4e03bc..f6a809a 100644
--- a/drivers/gpu/drm/rockchip/Makefile
+++ b/drivers/gpu/drm/rockchip/Makefile
@@ -2,8 +2,9 @@
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
-rockchipdrm-y := rockchip_drm_drv.o rockchip_drm_fb.o rockchip_drm_fbdev.o \
+rockchipdrm-y := rockchip_drm_drv.o rockchip_drm_fb.o \
rockchip_drm_gem.o rockchip_drm_vop.o
+rockchipdrm-$(CONFIG_DRM_FBDEV_EMULATION) += rockchip_drm_fbdev.o
obj-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o
obj-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi.o
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h
index 50432e9..73718c5 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h
@@ -15,7 +15,18 @@
#ifndef _ROCKCHIP_DRM_FBDEV_H
#define _ROCKCHIP_DRM_FBDEV_H
+#ifdef CONFIG_DRM_FBDEV_EMULATION
int rockchip_drm_fbdev_init(struct drm_device *dev);
void rockchip_drm_fbdev_fini(struct drm_device *dev);
+#else
+static inline int rockchip_drm_fbdev_init(struct drm_device *dev)
+{
+ return 0;
+}
+
+static inline void rockchip_drm_fbdev_fini(struct drm_device *dev)
+{
+}
+#endif
#endif /* _ROCKCHIP_DRM_FBDEV_H */
--
2.7.0.226.gfe986fe
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