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-rw-r--r--drivers/gpu/drm/drm_fb_helper.c65
-rw-r--r--include/drm/drm_fb_helper.h14
2 files changed, 36 insertions, 43 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index aa7af463c50d..87d4759de04a 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -371,9 +371,9 @@ static void drm_fb_helper_resume_worker(struct work_struct *work)
console_unlock();
}
-static void drm_fb_helper_dirty_blit_real(struct drm_fb_helper *fb_helper,
- struct drm_clip_rect *clip,
- struct dma_buf_map *dst)
+static void drm_fb_helper_damage_blit_real(struct drm_fb_helper *fb_helper,
+ struct drm_clip_rect *clip,
+ struct dma_buf_map *dst)
{
struct drm_framebuffer *fb = fb_helper->fb;
unsigned int cpp = fb->format->cpp[0];
@@ -391,21 +391,21 @@ static void drm_fb_helper_dirty_blit_real(struct drm_fb_helper *fb_helper,
}
}
-static void drm_fb_helper_dirty_work(struct work_struct *work)
+static void drm_fb_helper_damage_work(struct work_struct *work)
{
struct drm_fb_helper *helper = container_of(work, struct drm_fb_helper,
- dirty_work);
- struct drm_clip_rect *clip = &helper->dirty_clip;
+ damage_work);
+ struct drm_clip_rect *clip = &helper->damage_clip;
struct drm_clip_rect clip_copy;
unsigned long flags;
struct dma_buf_map map;
int ret;
- spin_lock_irqsave(&helper->dirty_lock, flags);
+ spin_lock_irqsave(&helper->damage_lock, flags);
clip_copy = *clip;
clip->x1 = clip->y1 = ~0;
clip->x2 = clip->y2 = 0;
- spin_unlock_irqrestore(&helper->dirty_lock, flags);
+ spin_unlock_irqrestore(&helper->damage_lock, flags);
/* call dirty callback only when it has been really touched */
if (clip_copy.x1 < clip_copy.x2 && clip_copy.y1 < clip_copy.y2) {
@@ -415,7 +415,7 @@ static void drm_fb_helper_dirty_work(struct work_struct *work)
ret = drm_client_buffer_vmap(helper->buffer, &map);
if (ret)
return;
- drm_fb_helper_dirty_blit_real(helper, &clip_copy, &map);
+ drm_fb_helper_damage_blit_real(helper, &clip_copy, &map);
}
if (helper->fb->funcs->dirty)
@@ -440,10 +440,10 @@ void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper,
const struct drm_fb_helper_funcs *funcs)
{
INIT_LIST_HEAD(&helper->kernel_fb_list);
- spin_lock_init(&helper->dirty_lock);
+ spin_lock_init(&helper->damage_lock);
INIT_WORK(&helper->resume_work, drm_fb_helper_resume_worker);
- INIT_WORK(&helper->dirty_work, drm_fb_helper_dirty_work);
- helper->dirty_clip.x1 = helper->dirty_clip.y1 = ~0;
+ INIT_WORK(&helper->damage_work, drm_fb_helper_damage_work);
+ helper->damage_clip.x1 = helper->damage_clip.y1 = ~0;
mutex_init(&helper->lock);
helper->funcs = funcs;
helper->dev = dev;
@@ -579,7 +579,7 @@ void drm_fb_helper_fini(struct drm_fb_helper *fb_helper)
return;
cancel_work_sync(&fb_helper->resume_work);
- cancel_work_sync(&fb_helper->dirty_work);
+ cancel_work_sync(&fb_helper->damage_work);
info = fb_helper->fbdev;
if (info) {
@@ -614,30 +614,30 @@ static bool drm_fbdev_use_shadow_fb(struct drm_fb_helper *fb_helper)
fb->funcs->dirty;
}
-static void drm_fb_helper_dirty(struct fb_info *info, u32 x, u32 y,
- u32 width, u32 height)
+static void drm_fb_helper_damage(struct fb_info *info, u32 x, u32 y,
+ u32 width, u32 height)
{
struct drm_fb_helper *helper = info->par;
- struct drm_clip_rect *clip = &helper->dirty_clip;
+ struct drm_clip_rect *clip = &helper->damage_clip;
unsigned long flags;
if (!drm_fbdev_use_shadow_fb(helper))
return;
- spin_lock_irqsave(&helper->dirty_lock, flags);
+ spin_lock_irqsave(&helper->damage_lock, flags);
clip->x1 = min_t(u32, clip->x1, x);
clip->y1 = min_t(u32, clip->y1, y);
clip->x2 = max_t(u32, clip->x2, x + width);
clip->y2 = max_t(u32, clip->y2, y + height);
- spin_unlock_irqrestore(&helper->dirty_lock, flags);
+ spin_unlock_irqrestore(&helper->damage_lock, flags);
- schedule_work(&helper->dirty_work);
+ schedule_work(&helper->damage_work);
}
/**
* drm_fb_helper_deferred_io() - fbdev deferred_io callback function
* @info: fb_info struct pointer
- * @pagelist: list of dirty mmap framebuffer pages
+ * @pagelist: list of mmap framebuffer pages that have to be flushed
*
* This function is used as the &fb_deferred_io.deferred_io
* callback function for flushing the fbdev mmap writes.
@@ -662,7 +662,7 @@ void drm_fb_helper_deferred_io(struct fb_info *info,
y1 = min / info->fix.line_length;
y2 = min_t(u32, DIV_ROUND_UP(max, info->fix.line_length),
info->var.yres);
- drm_fb_helper_dirty(info, 0, y1, info->var.xres, y2 - y1);
+ drm_fb_helper_damage(info, 0, y1, info->var.xres, y2 - y1);
}
}
EXPORT_SYMBOL(drm_fb_helper_deferred_io);
@@ -699,8 +699,7 @@ ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf,
ret = fb_sys_write(info, buf, count, ppos);
if (ret > 0)
- drm_fb_helper_dirty(info, 0, 0, info->var.xres,
- info->var.yres);
+ drm_fb_helper_damage(info, 0, 0, info->var.xres, info->var.yres);
return ret;
}
@@ -717,8 +716,7 @@ void drm_fb_helper_sys_fillrect(struct fb_info *info,
const struct fb_fillrect *rect)
{
sys_fillrect(info, rect);
- drm_fb_helper_dirty(info, rect->dx, rect->dy,
- rect->width, rect->height);
+ drm_fb_helper_damage(info, rect->dx, rect->dy, rect->width, rect->height);
}
EXPORT_SYMBOL(drm_fb_helper_sys_fillrect);
@@ -733,8 +731,7 @@ void drm_fb_helper_sys_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
sys_copyarea(info, area);
- drm_fb_helper_dirty(info, area->dx, area->dy,
- area->width, area->height);
+ drm_fb_helper_damage(info, area->dx, area->dy, area->width, area->height);
}
EXPORT_SYMBOL(drm_fb_helper_sys_copyarea);
@@ -749,8 +746,7 @@ void drm_fb_helper_sys_imageblit(struct fb_info *info,
const struct fb_image *image)
{
sys_imageblit(info, image);
- drm_fb_helper_dirty(info, image->dx, image->dy,
- image->width, image->height);
+ drm_fb_helper_damage(info, image->dx, image->dy, image->width, image->height);
}
EXPORT_SYMBOL(drm_fb_helper_sys_imageblit);
@@ -765,8 +761,7 @@ void drm_fb_helper_cfb_fillrect(struct fb_info *info,
const struct fb_fillrect *rect)
{
cfb_fillrect(info, rect);
- drm_fb_helper_dirty(info, rect->dx, rect->dy,
- rect->width, rect->height);
+ drm_fb_helper_damage(info, rect->dx, rect->dy, rect->width, rect->height);
}
EXPORT_SYMBOL(drm_fb_helper_cfb_fillrect);
@@ -781,8 +776,7 @@ void drm_fb_helper_cfb_copyarea(struct fb_info *info,
const struct fb_copyarea *area)
{
cfb_copyarea(info, area);
- drm_fb_helper_dirty(info, area->dx, area->dy,
- area->width, area->height);
+ drm_fb_helper_damage(info, area->dx, area->dy, area->width, area->height);
}
EXPORT_SYMBOL(drm_fb_helper_cfb_copyarea);
@@ -797,8 +791,7 @@ void drm_fb_helper_cfb_imageblit(struct fb_info *info,
const struct fb_image *image)
{
cfb_imageblit(info, image);
- drm_fb_helper_dirty(info, image->dx, image->dy,
- image->width, image->height);
+ drm_fb_helper_damage(info, image->dx, image->dy, image->width, image->height);
}
EXPORT_SYMBOL(drm_fb_helper_cfb_imageblit);
@@ -2195,7 +2188,7 @@ static ssize_t drm_fbdev_fb_write(struct fb_info *info, const char __user *buf,
*ppos += ret;
if (ret > 0)
- drm_fb_helper_dirty(info, 0, 0, info->var.xres_virtual, info->var.yres_virtual);
+ drm_fb_helper_damage(info, 0, 0, info->var.xres_virtual, info->var.yres_virtual);
return ret ? ret : err;
}
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 306aa3a60be9..3b273f9ca39a 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -100,10 +100,10 @@ struct drm_fb_helper_funcs {
* @funcs: driver callbacks for fb helper
* @fbdev: emulated fbdev device info struct
* @pseudo_palette: fake palette of 16 colors
- * @dirty_clip: clip rectangle used with deferred_io to accumulate damage to
- * the screen buffer
- * @dirty_lock: spinlock protecting @dirty_clip
- * @dirty_work: worker used to flush the framebuffer
+ * @damage_clip: clip rectangle used with deferred_io to accumulate damage to
+ * the screen buffer
+ * @damage_lock: spinlock protecting @damage_clip
+ * @damage_work: worker used to flush the framebuffer
* @resume_work: worker used during resume if the console lock is already taken
*
* This is the main structure used by the fbdev helpers. Drivers supporting
@@ -131,9 +131,9 @@ struct drm_fb_helper {
const struct drm_fb_helper_funcs *funcs;
struct fb_info *fbdev;
u32 pseudo_palette[17];
- struct drm_clip_rect dirty_clip;
- spinlock_t dirty_lock;
- struct work_struct dirty_work;
+ struct drm_clip_rect damage_clip;
+ spinlock_t damage_lock;
+ struct work_struct damage_work;
struct work_struct resume_work;
/**
generated by cgit (git 2.34.1) at 2024-05-26 01:08:24 +0000