DRM_TEGRA_FBDEV config is currently used to enable/disable fbdev emulation for the tegra 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 tegra_drm struct that adds/removes the terga_fbdev member has been removed completely. This helps in calling stub drm fb helper functions at not much cost.
We could clean up fb.c a bit further to reduce the number of #ifdefs, but that's left for later.
Signed-off-by: Archit Taneja architt@codeaurora.org --- drivers/gpu/drm/tegra/Kconfig | 12 ------------ drivers/gpu/drm/tegra/drm.c | 15 ++++++++++----- drivers/gpu/drm/tegra/drm.h | 8 -------- drivers/gpu/drm/tegra/fb.c | 25 ++++++------------------- 4 files changed, 16 insertions(+), 44 deletions(-)
diff --git a/drivers/gpu/drm/tegra/Kconfig b/drivers/gpu/drm/tegra/Kconfig index 74d9d62..63ebb15 100644 --- a/drivers/gpu/drm/tegra/Kconfig +++ b/drivers/gpu/drm/tegra/Kconfig @@ -16,18 +16,6 @@ config DRM_TEGRA
if DRM_TEGRA
-config DRM_TEGRA_FBDEV - bool "Enable legacy fbdev support" - select DRM_KMS_FB_HELPER - select FB_SYS_FILLRECT - select FB_SYS_COPYAREA - select FB_SYS_IMAGEBLIT - default y - help - Choose this option if you have a need for the legacy fbdev support. - Note that this support also provides the Linux console on top of - the Tegra modesetting driver. - config DRM_TEGRA_DEBUG bool "NVIDIA Tegra DRM debug support" help diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 427f50c..e884e54 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -104,11 +104,17 @@ static int tegra_atomic_commit(struct drm_device *drm, return 0; }
+static inline void tegra_fb_output_poll_changed(struct drm_device *drm) +{ + struct tegra_drm *tegra = drm->dev_private; + + if (tegra->fbdev) + drm_fb_helper_hotplug_event(&tegra->fbdev->base); +} + static const struct drm_mode_config_funcs tegra_drm_mode_funcs = { .fb_create = tegra_fb_create, -#ifdef CONFIG_DRM_TEGRA_FBDEV .output_poll_changed = tegra_fb_output_poll_changed, -#endif .atomic_check = drm_atomic_helper_check, .atomic_commit = tegra_atomic_commit, }; @@ -259,11 +265,10 @@ static void tegra_drm_context_free(struct tegra_drm_context *context)
static void tegra_drm_lastclose(struct drm_device *drm) { -#ifdef CONFIG_DRM_TEGRA_FBDEV struct tegra_drm *tegra = drm->dev_private;
- tegra_fbdev_restore_mode(tegra->fbdev); -#endif + if (tegra->fbdev) + drm_fb_helper_restore_fbdev_mode_unlocked(&tegra->fbdev->base); }
static struct host1x_bo * diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index 659b2fc..25ee5ea 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -29,12 +29,10 @@ struct tegra_fb { unsigned int num_planes; };
-#ifdef CONFIG_DRM_TEGRA_FBDEV struct tegra_fbdev { struct drm_fb_helper base; struct tegra_fb *fb; }; -#endif
struct tegra_drm { struct drm_device *drm; @@ -45,9 +43,7 @@ struct tegra_drm { struct mutex clients_lock; struct list_head clients;
-#ifdef CONFIG_DRM_TEGRA_FBDEV struct tegra_fbdev *fbdev; -#endif
unsigned int pitch_align;
@@ -263,10 +259,6 @@ int tegra_drm_fb_prepare(struct drm_device *drm); void tegra_drm_fb_free(struct drm_device *drm); int tegra_drm_fb_init(struct drm_device *drm); void tegra_drm_fb_exit(struct drm_device *drm); -#ifdef CONFIG_DRM_TEGRA_FBDEV -void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev); -void tegra_fb_output_poll_changed(struct drm_device *drm); -#endif
extern struct platform_driver tegra_dc_driver; extern struct platform_driver tegra_dsi_driver; diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c index a2d66f9..1fd595c 100644 --- a/drivers/gpu/drm/tegra/fb.c +++ b/drivers/gpu/drm/tegra/fb.c @@ -18,7 +18,7 @@ static inline struct tegra_fb *to_tegra_fb(struct drm_framebuffer *fb) return container_of(fb, struct tegra_fb, base); }
-#ifdef CONFIG_DRM_TEGRA_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION static inline struct tegra_fbdev *to_tegra_fbdev(struct drm_fb_helper *helper) { return container_of(helper, struct tegra_fbdev, base); @@ -181,7 +181,7 @@ unreference: return ERR_PTR(err); }
-#ifdef CONFIG_DRM_TEGRA_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION static struct fb_ops tegra_fb_ops = { .owner = THIS_MODULE, .fb_fillrect = drm_fb_helper_sys_fillrect, @@ -355,24 +355,11 @@ static void tegra_fbdev_exit(struct tegra_fbdev *fbdev) tegra_fbdev_free(fbdev); }
-void tegra_fbdev_restore_mode(struct tegra_fbdev *fbdev) -{ - if (fbdev) - drm_fb_helper_restore_fbdev_mode_unlocked(&fbdev->base); -} - -void tegra_fb_output_poll_changed(struct drm_device *drm) -{ - struct tegra_drm *tegra = drm->dev_private; - - if (tegra->fbdev) - drm_fb_helper_hotplug_event(&tegra->fbdev->base); -} #endif
int tegra_drm_fb_prepare(struct drm_device *drm) { -#ifdef CONFIG_DRM_TEGRA_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct tegra_drm *tegra = drm->dev_private;
tegra->fbdev = tegra_fbdev_create(drm); @@ -385,7 +372,7 @@ int tegra_drm_fb_prepare(struct drm_device *drm)
void tegra_drm_fb_free(struct drm_device *drm) { -#ifdef CONFIG_DRM_TEGRA_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct tegra_drm *tegra = drm->dev_private;
tegra_fbdev_free(tegra->fbdev); @@ -394,7 +381,7 @@ void tegra_drm_fb_free(struct drm_device *drm)
int tegra_drm_fb_init(struct drm_device *drm) { -#ifdef CONFIG_DRM_TEGRA_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct tegra_drm *tegra = drm->dev_private; int err;
@@ -409,7 +396,7 @@ int tegra_drm_fb_init(struct drm_device *drm)
void tegra_drm_fb_exit(struct drm_device *drm) { -#ifdef CONFIG_DRM_TEGRA_FBDEV +#ifdef CONFIG_DRM_FBDEV_EMULATION struct tegra_drm *tegra = drm->dev_private;
tegra_fbdev_exit(tegra->fbdev);