Commit b1be5ba2 authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/fb-helper: Set damage-clip area in helper 



Set the damage area in the new helper drm_fb_helper_add_damage_clip().
It can now be updated without scheduling the damage worker. This change
will help to remove the damage worker entirely. No functional changes.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20221115115819.23088-2-tzimmermann@suse.de
parent b230555f

drivers/gpu/drm/drm_fb_helper.c

+8 −2
Original line number Diff line number Diff line
@@ -576,7 +576,7 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper) 
}

EXPORT_SYMBOL(drm_fb_helper_fini);



static void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y,

static void drm_fb_helper_add_damage_clip(struct drm_fb_helper *helper, u32 x, u32 y,

					  u32 width, u32 height)

{

	struct drm_clip_rect *clip = &helper->damage_clip;
@@ -588,6 +588,12 @@ static void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y, 
	clip->x2 = max_t(u32, clip->x2, x + width);

	clip->y2 = max_t(u32, clip->y2, y + height);

	spin_unlock_irqrestore(&helper->damage_lock, flags);

}



static void drm_fb_helper_damage(struct drm_fb_helper *helper, u32 x, u32 y,

				 u32 width, u32 height)

{

	drm_fb_helper_add_damage_clip(helper, x, y, width, height);



	schedule_work(&helper->damage_work);

}