Remove the flag prefer_shadow_fbdev from struct drm_mode_config.
Drivers set this flag to enable shadow buffering in the generic
fbdev emulation. Such shadow buffering is now mandatory, so the
flag is unused.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Reviewed-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
Reviewed-by: Zack Rusin <zackr@xxxxxxxxxx>
---
drivers/gpu/drm/tiny/bochs.c | 1 -
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 1 -
include/drm/drm_mode_config.h | 7 -------
3 files changed, 9 deletions(-)
diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
index 024346054c70..d254679a136e 100644
--- a/drivers/gpu/drm/tiny/bochs.c
+++ b/drivers/gpu/drm/tiny/bochs.c
@@ -545,7 +545,6 @@ static int bochs_kms_init(struct bochs_device *bochs)
bochs->dev->mode_config.preferred_depth = 24;
bochs->dev->mode_config.prefer_shadow = 0;
- bochs->dev->mode_config.prefer_shadow_fbdev = 1;
bochs->dev->mode_config.quirk_addfb_prefer_host_byte_order = true;
bochs->dev->mode_config.funcs = &bochs_mode_funcs;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 84d6380b9895..5162a7a12792 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -2112,7 +2112,6 @@ int vmw_kms_init(struct vmw_private *dev_priv)
dev->mode_config.max_width = dev_priv->texture_max_width;
dev->mode_config.max_height = dev_priv->texture_max_height;
dev->mode_config.preferred_depth = dev_priv->assume_16bpp ? 16 : 32;
- dev->mode_config.prefer_shadow_fbdev = !dev_priv->has_mob;
drm_mode_create_suggested_offset_properties(dev);
vmw_kms_create_hotplug_mode_update_property(dev_priv);
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index e5b053001d22..973119a9176b 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -890,13 +890,6 @@ struct drm_mode_config {
/* dumb ioctl parameters */
uint32_t preferred_depth, prefer_shadow;
- /**
- * @prefer_shadow_fbdev:
- *
- * Hint to framebuffer emulation to prefer shadow-fb rendering.
- */
- bool prefer_shadow_fbdev;
-
/**
* @quirk_addfb_prefer_xbgr_30bpp:
*
--
2.40.0
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