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

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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: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20221115115819.23088-2-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2022-11-15 12:58:14 +01:00
parent b230555f32
commit b1be5ba293
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/drm_fb_helper.c
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@ -576,8 +576,8 @@ 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,
u32 width, u32 height)
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;
unsigned long flags;
@ -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);
}