drm/ast: Replace struct ast_fbdev with generic framebuffer emulation

This patch replaces ast's framebuffer console with DRM's generic
implememtation. All respective code is being removed from the driver.

The console is set up with a shadow buffer. The actual buffer object is
not permanently pinned in video ram, but just another buffer object that
the driver moves in and out of vram as necessary. The driver's function
ast_crtc_do_set_base() used to contain special handling for the framebuffer
console. With the new generic framebuffer, the driver does not need this
code an longer.

v2:
	* use drm_fb_helper_set_suspend_unlocked() in ast_drm_{thaw,freeze}()
	* dirty function no longer required

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/315835/

1 files changed, 0 insertions, 17 deletions

diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index ca794a3fcf8f..907d7480b7ba 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -81,8 +81,6 @@ enum ast_tx_chip {
 #define AST_DRAM_4Gx16   7
 #define AST_DRAM_8Gx16   8
 
-struct ast_fbdev;
-
 struct ast_private {
 	struct drm_device *dev;
 
@@ -96,8 +94,6 @@ struct ast_private {
 	uint32_t mclk;
 	uint32_t vram_size;
 
-	struct ast_fbdev *fbdev;
-
 	int fb_mtrr;
 
 	struct drm_gem_object *cursor_cache;
@@ -239,14 +235,6 @@ struct ast_encoder {
 	struct drm_encoder base;
 };
 
-struct ast_fbdev {
-	struct drm_fb_helper helper; /* must be first */
-	void *sysram;
-	int size;
-	int x1, y1, x2, y2; /* dirty rect */
-	spinlock_t dirty_lock;
-};
-
 #define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
 #define to_ast_connector(x) container_of(x, struct ast_connector, base)
 #define to_ast_encoder(x) container_of(x, struct ast_encoder, base)
@@ -289,11 +277,6 @@ struct ast_vbios_mode_info {
 extern int ast_mode_init(struct drm_device *dev);
 extern void ast_mode_fini(struct drm_device *dev);
 
-int ast_fbdev_init(struct drm_device *dev);
-void ast_fbdev_fini(struct drm_device *dev);
-void ast_fbdev_set_suspend(struct drm_device *dev, int state);
-void ast_fbdev_set_base(struct ast_private *ast, unsigned long gpu_addr);
-
 #define AST_MM_ALIGN_SHIFT 4
 #define AST_MM_ALIGN_MASK ((1 << AST_MM_ALIGN_SHIFT) - 1)