[RFC PATCH v4 3/3] drm: remove allow_fb_modifiers

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The allow_fb_modifiers flag is unnecessary since it has been replaced
with cannot_support_modifiers flag.

Signed-off-by: Tomohito Esaki <etom@xxxxxxxxxx>
---
 drivers/gpu/drm/drm_plane.c                      |  9 ---------
 drivers/gpu/drm/selftests/test-drm_framebuffer.c |  1 -
 include/drm/drm_mode_config.h                    | 16 ----------------
 3 files changed, 26 deletions(-)

diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 5aa7e241971e..89a3d044ab59 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -288,15 +288,6 @@ static int __drm_universal_plane_init(struct drm_device *dev,
 		}
 	}
 
-	/* autoset the cap and check for consistency across all planes */
-	if (format_modifier_count) {
-		drm_WARN_ON(dev, !config->allow_fb_modifiers &&
-			    !list_empty(&config->plane_list));
-		config->allow_fb_modifiers = true;
-	} else {
-		drm_WARN_ON(dev, config->allow_fb_modifiers);
-	}
-
 	plane->modifier_count = format_modifier_count;
 	plane->modifiers = kmalloc_array(format_modifier_count,
 					 sizeof(format_modifiers[0]),
diff --git a/drivers/gpu/drm/selftests/test-drm_framebuffer.c b/drivers/gpu/drm/selftests/test-drm_framebuffer.c
index 61b44d3a6a61..f6d66285c5fc 100644
--- a/drivers/gpu/drm/selftests/test-drm_framebuffer.c
+++ b/drivers/gpu/drm/selftests/test-drm_framebuffer.c
@@ -323,7 +323,6 @@ static struct drm_device mock_drm_device = {
 		.max_width = MAX_WIDTH,
 		.min_height = MIN_HEIGHT,
 		.max_height = MAX_HEIGHT,
-		.allow_fb_modifiers = true,
 		.funcs = &mock_config_funcs,
 	},
 };
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index b73af96e2c96..c41df5932a6b 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -917,22 +917,6 @@ struct drm_mode_config {
 	 */
 	bool async_page_flip;
 
-	/**
-	 * @allow_fb_modifiers:
-	 *
-	 * Whether the driver supports fb modifiers in the ADDFB2.1 ioctl call.
-	 * Note that drivers should not set this directly, it is automatically
-	 * set in drm_universal_plane_init().
-	 *
-	 * IMPORTANT:
-	 *
-	 * If this is set the driver must fill out the full implicit modifier
-	 * information in their &drm_mode_config_funcs.fb_create hook for legacy
-	 * userspace which does not set modifiers. Otherwise the GETFB2 ioctl is
-	 * broken for modifier aware userspace.
-	 */
-	bool allow_fb_modifiers;
-
 	/**
 	 * @fb_modifiers_not_supported:
 	 *
-- 
2.25.1




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