DRM_I915_FBDEV config is currently used to enable/disable fbdev emulation
for the i915 kms driver.

Replace this with the top level DRM_FBDEV_EMULATION config option. Using
this config lets us also prevent wrapping around drm_fb_helper_* calls with

The #ifdef in drm_i915_private struct adding/removing members intel_fbdev
and fbdev_suspend_work has been removed. This helps us use stub drm helper
functions at not much cost.

Signed-off-by: Archit Taneja <arch...@codeaurora.org>
---
 drivers/gpu/drm/i915/Kconfig         | 15 ---------------
 drivers/gpu/drm/i915/Makefile        |  4 ++--
 drivers/gpu/drm/i915/i915_debugfs.c  |  2 +-
 drivers/gpu/drm/i915/i915_drv.h      |  2 --
 drivers/gpu/drm/i915/intel_display.c | 10 ++++------
 drivers/gpu/drm/i915/intel_dp_mst.c  | 14 ++++++++------
 drivers/gpu/drm/i915/intel_drv.h     |  3 +--
 drivers/gpu/drm/i915/intel_fbdev.c   |  7 -------
 8 files changed, 16 insertions(+), 41 deletions(-)

diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index 74acca9..bd9ccfc 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -45,21 +45,6 @@ config DRM_I915_KMS
 
          If in doubt, say "Y".
 
-config DRM_I915_FBDEV
-       bool "Enable legacy fbdev support for the modesetting intel driver"
-       depends on DRM_I915
-       select DRM_KMS_FB_HELPER
-       select FB_CFB_FILLRECT
-       select FB_CFB_COPYAREA
-       select FB_CFB_IMAGEBLIT
-       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 intel modesetting driver.
-
-         If in doubt, say "Y".
-
 config DRM_I915_PRELIMINARY_HW_SUPPORT
        bool "Enable preliminary support for prerelease Intel hardware by 
default"
        depends on DRM_I915
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index b7ddf48..355e43f 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -56,8 +56,8 @@ i915-y += intel_audio.o \
          intel_psr.o \
          intel_sideband.o \
          intel_sprite.o
-i915-$(CONFIG_ACPI)            += intel_acpi.o intel_opregion.o
-i915-$(CONFIG_DRM_I915_FBDEV)  += intel_fbdev.o
+i915-$(CONFIG_ACPI)                    += intel_acpi.o intel_opregion.o
+i915-$(CONFIG_DRM_FBDEV_EMULATION)     += intel_fbdev.o
 
 # modesetting output/encoder code
 i915-y += dvo_ch7017.o \
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c 
b/drivers/gpu/drm/i915/i915_debugfs.c
index 82bbe3f..bcce317 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1849,7 +1849,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, 
void *data)
        struct intel_fbdev *ifbdev = NULL;
        struct intel_framebuffer *fb;
 
-#ifdef CONFIG_DRM_I915_FBDEV
+#ifdef CONFIG_DRM_FBDEV_EMULATION
        struct drm_i915_private *dev_priv = dev->dev_private;
 
        ifbdev = dev_priv->fbdev;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 542fac6..ab5881c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1798,11 +1798,9 @@ struct drm_i915_private {
 
        struct drm_i915_gem_object *vlv_pctx;
 
-#ifdef CONFIG_DRM_I915_FBDEV
        /* list of fbdev register on this device */
        struct intel_fbdev *fbdev;
        struct work_struct fbdev_suspend_work;
-#endif
 
        struct drm_property *broadcast_rgb_property;
        struct drm_property *force_audio_property;
diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 1b61f98..0acd801 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9886,7 +9886,6 @@ static struct drm_framebuffer *
 mode_fits_in_fbdev(struct drm_device *dev,
                   struct drm_display_mode *mode)
 {
-#ifdef CONFIG_DRM_I915_FBDEV
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct drm_i915_gem_object *obj;
        struct drm_framebuffer *fb;
@@ -9909,9 +9908,6 @@ mode_fits_in_fbdev(struct drm_device *dev,
                return NULL;
 
        return fb;
-#else
-       return NULL;
-#endif
 }
 
 static int intel_modeset_setup_plane_state(struct drm_atomic_state *state,
@@ -14296,11 +14292,13 @@ intel_user_framebuffer_create(struct drm_device *dev,
        return intel_framebuffer_create(dev, mode_cmd, obj);
 }
 
-#ifndef CONFIG_DRM_I915_FBDEV
 static inline void intel_fbdev_output_poll_changed(struct drm_device *dev)
 {
+       struct drm_i915_private *dev_priv = dev->dev_private;
+
+       if (dev_priv->fbdev)
+               drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper);
 }
-#endif
 
 static const struct drm_mode_config_funcs intel_mode_funcs = {
        .fb_create = intel_user_framebuffer_create,
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c 
b/drivers/gpu/drm/i915/intel_dp_mst.c
index 6e4cc53..66eaf6f 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -395,18 +395,20 @@ static bool intel_dp_mst_get_hw_state(struct 
intel_connector *connector)
 
 static void intel_connector_add_to_fbdev(struct intel_connector *connector)
 {
-#ifdef CONFIG_DRM_I915_FBDEV
        struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
-       drm_fb_helper_add_one_connector(&dev_priv->fbdev->helper, 
&connector->base);
-#endif
+
+       if (dev_priv->fbdev)
+               drm_fb_helper_add_one_connector(&dev_priv->fbdev->helper,
+                       &connector->base);
 }
 
 static void intel_connector_remove_from_fbdev(struct intel_connector 
*connector)
 {
-#ifdef CONFIG_DRM_I915_FBDEV
        struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
-       drm_fb_helper_remove_one_connector(&dev_priv->fbdev->helper, 
&connector->base);
-#endif
+
+       if (dev_priv->fbdev)
+               drm_fb_helper_remove_one_connector(&dev_priv->fbdev->helper,
+                       &connector->base);
 }
 
 static struct drm_connector *intel_dp_add_mst_connector(struct 
drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char 
*pathprop)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 1059283..371b201 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1207,12 +1207,11 @@ void intel_dvo_init(struct drm_device *dev);
 
 
 /* legacy fbdev emulation in intel_fbdev.c */
-#ifdef CONFIG_DRM_I915_FBDEV
+#ifdef CONFIG_DRM_FBDEV_EMULATION
 extern int intel_fbdev_init(struct drm_device *dev);
 extern void intel_fbdev_initial_config(void *data, async_cookie_t cookie);
 extern void intel_fbdev_fini(struct drm_device *dev);
 extern void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool 
synchronous);
-extern void intel_fbdev_output_poll_changed(struct drm_device *dev);
 extern void intel_fbdev_restore_mode(struct drm_device *dev);
 #else
 static inline int intel_fbdev_init(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c 
b/drivers/gpu/drm/i915/intel_fbdev.c
index 4aa21f7..445c35f 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -798,13 +798,6 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int 
state, bool synchronous
        console_unlock();
 }
 
-void intel_fbdev_output_poll_changed(struct drm_device *dev)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       if (dev_priv->fbdev)
-               drm_fb_helper_hotplug_event(&dev_priv->fbdev->helper);
-}
-
 void intel_fbdev_restore_mode(struct drm_device *dev)
 {
        int ret;
-- 
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hosted by The Linux Foundation

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