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Diffstat (limited to 'include/drm/drm_fb_helper.h')
-rw-r--r--include/drm/drm_fb_helper.h56
1 files changed, 26 insertions, 30 deletions
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index f22e7fe4b6d..7997246d403 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -35,25 +35,10 @@ struct drm_fb_helper;
#include <linux/kgdb.h>
struct drm_fb_helper_crtc {
- uint32_t crtc_id;
struct drm_mode_set mode_set;
struct drm_display_mode *desired_mode;
};
-/* mode specified on the command line */
-struct drm_fb_helper_cmdline_mode {
- bool specified;
- bool refresh_specified;
- bool bpp_specified;
- int xres, yres;
- int bpp;
- int refresh;
- bool rb;
- bool interlace;
- bool cvt;
- bool margins;
-};
-
struct drm_fb_helper_surface_size {
u32 fb_width;
u32 fb_height;
@@ -63,6 +48,19 @@ struct drm_fb_helper_surface_size {
u32 surface_depth;
};
+/**
+ * struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library
+ * @gamma_set: Set the given gamma lut register on the given crtc.
+ * @gamma_get: Read the given gamma lut register on the given crtc, used to
+ * save the current lut when force-restoring the fbdev for e.g.
+ * kdbg.
+ * @fb_probe: Driver callback to allocate and initialize the fbdev info
+ * structure. Furthermore it also needs to allocate the drm
+ * framebuffer used to back the fbdev.
+ * @initial_config: Setup an initial fbdev display configuration
+ *
+ * Driver callbacks used by the fbdev emulation helper library.
+ */
struct drm_fb_helper_funcs {
void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
u16 blue, int regno);
@@ -71,24 +69,25 @@ struct drm_fb_helper_funcs {
int (*fb_probe)(struct drm_fb_helper *helper,
struct drm_fb_helper_surface_size *sizes);
+ bool (*initial_config)(struct drm_fb_helper *fb_helper,
+ struct drm_fb_helper_crtc **crtcs,
+ struct drm_display_mode **modes,
+ bool *enabled, int width, int height);
};
struct drm_fb_helper_connector {
- struct drm_fb_helper_cmdline_mode cmdline_mode;
struct drm_connector *connector;
+ struct drm_cmdline_mode cmdline_mode;
};
struct drm_fb_helper {
struct drm_framebuffer *fb;
- struct drm_framebuffer *saved_fb;
struct drm_device *dev;
- struct drm_display_mode *mode;
int crtc_count;
struct drm_fb_helper_crtc *crtc_info;
int connector_count;
struct drm_fb_helper_connector **connector_info;
struct drm_fb_helper_funcs *funcs;
- int conn_limit;
struct fb_info *fbdev;
u32 pseudo_palette[17];
struct list_head kernel_fb_list;
@@ -98,9 +97,6 @@ struct drm_fb_helper {
bool delayed_hotplug;
};
-int drm_fb_helper_single_fb_probe(struct drm_fb_helper *helper,
- int preferred_bpp);
-
int drm_fb_helper_init(struct drm_device *dev,
struct drm_fb_helper *helper, int crtc_count,
int max_conn);
@@ -111,14 +107,8 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
int drm_fb_helper_set_par(struct fb_info *info);
int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
struct fb_info *info);
-int drm_fb_helper_setcolreg(unsigned regno,
- unsigned red,
- unsigned green,
- unsigned blue,
- unsigned transp,
- struct fb_info *info);
-void drm_fb_helper_restore(void);
+bool drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper);
void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
uint32_t fb_width, uint32_t fb_height);
void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
@@ -126,10 +116,16 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);
-bool drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
+int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
int drm_fb_helper_debug_enter(struct fb_info *info);
int drm_fb_helper_debug_leave(struct fb_info *info);
+struct drm_display_mode *
+drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector,
+ int width, int height);
+struct drm_display_mode *
+drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
+ int width, int height);
#endif