[RFC v2 2/6] drm/msm: Remove local fbdev emulation Kconfig option

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DRM_MSM_FBDEV config is used to enable/disable fbdev emulation for the
msm kms driver.

Replace this with the top level DRM_FBDEV_EMULATION config option where
applicable. This also prevents build breaks caused by undefined
drm_fb_helper_* functions when legacy fbdev support was disabled.

Signed-off-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/msm/Kconfig   | 14 --------------
 drivers/gpu/drm/msm/Makefile  |  2 +-
 drivers/gpu/drm/msm/msm_drv.c |  8 ++------
 3 files changed, 3 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig
index 08ba8d0..ebb03fd 100644
--- a/drivers/gpu/drm/msm/Kconfig
+++ b/drivers/gpu/drm/msm/Kconfig
@@ -13,20 +13,6 @@ config DRM_MSM
 	help
 	  DRM/KMS driver for MSM/snapdragon.
 
-config DRM_MSM_FBDEV
-	bool "Enable legacy fbdev support for MSM modesetting driver"
-	depends on DRM_MSM
-	select DRM_KMS_FB_HELPER
-	select FB_SYS_FILLRECT
-	select FB_SYS_COPYAREA
-	select FB_SYS_IMAGEBLIT
-	select FB_SYS_FOPS
-	default y
-	help
-	  Choose this option if you have a need for the legacy fbdev
-	  support. Note that this support also provide the linux console
-	  support on top of the MSM modesetting driver.
-
 config DRM_MSM_REGISTER_LOGGING
 	bool "MSM DRM register logging"
 	depends on DRM_MSM
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile
index 16a81b9..5b08951 100644
--- a/drivers/gpu/drm/msm/Makefile
+++ b/drivers/gpu/drm/msm/Makefile
@@ -49,7 +49,7 @@ msm-y := \
 	msm_rd.o \
 	msm_ringbuffer.o
 
-msm-$(CONFIG_DRM_MSM_FBDEV) += msm_fbdev.o
+msm-$(CONFIG_DRM_FBDEV_EMULATION) += msm_fbdev.o
 msm-$(CONFIG_COMMON_CLK) += mdp/mdp4/mdp4_lvds_pll.o
 
 msm-$(CONFIG_DRM_MSM_DSI) += dsi/dsi.o \
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index b7ef56e..8061bd9 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -21,11 +21,9 @@
 
 static void msm_fb_output_poll_changed(struct drm_device *dev)
 {
-#ifdef CONFIG_DRM_MSM_FBDEV
 	struct msm_drm_private *priv = dev->dev_private;
 	if (priv->fbdev)
 		drm_fb_helper_hotplug_event(priv->fbdev);
-#endif
 }
 
 static const struct drm_mode_config_funcs mode_config_funcs = {
@@ -56,7 +54,7 @@ module_param(reglog, bool, 0600);
 #define reglog 0
 #endif
 
-#ifdef CONFIG_DRM_MSM_FBDEV
+#ifdef CONFIG_DRM_FBDEV_EMULATION
 static bool fbdev = true;
 MODULE_PARM_DESC(fbdev, "Enable fbdev compat layer");
 module_param(fbdev, bool, 0600);
@@ -353,7 +351,7 @@ static int msm_load(struct drm_device *dev, unsigned long flags)
 
 	drm_mode_config_reset(dev);
 
-#ifdef CONFIG_DRM_MSM_FBDEV
+#ifdef CONFIG_DRM_FBDEV_EMULATION
 	if (fbdev)
 		priv->fbdev = msm_fbdev_init(dev);
 #endif
@@ -421,11 +419,9 @@ static void msm_preclose(struct drm_device *dev, struct drm_file *file)
 
 static void msm_lastclose(struct drm_device *dev)
 {
-#ifdef CONFIG_DRM_MSM_FBDEV
 	struct msm_drm_private *priv = dev->dev_private;
 	if (priv->fbdev)
 		drm_fb_helper_restore_fbdev_mode_unlocked(priv->fbdev);
-#endif
 }
 
 static irqreturn_t msm_irq(int irq, void *arg)
-- 
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