Merge tag 'asoc-fix-v5.18-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.18

A collection of fixes that came in since the merge window, plus one new
device ID for an x86 laptop.  Nothing that really stands out with
particularly big impact outside of the affected device.

1 files changed, 66 insertions, 24 deletions

diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index ed43b987d306..d265a73313c9 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -373,7 +373,7 @@ static void drm_fb_helper_resume_worker(struct work_struct *work)
 
 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 iosys_map *dst)
 {
 	struct drm_framebuffer *fb = fb_helper->fb;
 	unsigned int cpp = fb->format->cpp[0];
@@ -382,11 +382,11 @@ static void drm_fb_helper_damage_blit_real(struct drm_fb_helper *fb_helper,
 	size_t len = (clip->x2 - clip->x1) * cpp;
 	unsigned int y;
 
-	dma_buf_map_incr(dst, offset); /* go to first pixel within clip rect */
+	iosys_map_incr(dst, offset); /* go to first pixel within clip rect */
 
 	for (y = clip->y1; y < clip->y2; y++) {
-		dma_buf_map_memcpy_to(dst, src, len);
-		dma_buf_map_incr(dst, fb->pitches[0]);
+		iosys_map_memcpy_to(dst, 0, src, len);
+		iosys_map_incr(dst, fb->pitches[0]);
 		src += fb->pitches[0];
 	}
 }
@@ -395,7 +395,7 @@ static int drm_fb_helper_damage_blit(struct drm_fb_helper *fb_helper,
 				     struct drm_clip_rect *clip)
 {
 	struct drm_client_buffer *buffer = fb_helper->buffer;
-	struct dma_buf_map map, dst;
+	struct iosys_map map, dst;
 	int ret;
 
 	/*
@@ -680,6 +680,31 @@ static void drm_fb_helper_damage(struct fb_info *info, u32 x, u32 y,
 	schedule_work(&helper->damage_work);
 }
 
+/* Convert memory region into area of scanlines and pixels per scanline */
+static void drm_fb_helper_memory_range_to_clip(struct fb_info *info, off_t off, size_t len,
+					       struct drm_rect *clip)
+{
+	off_t end = off + len;
+	u32 x1 = 0;
+	u32 y1 = off / info->fix.line_length;
+	u32 x2 = info->var.xres;
+	u32 y2 = DIV_ROUND_UP(end, info->fix.line_length);
+
+	if ((y2 - y1) == 1) {
+		/*
+		 * We've only written to a single scanline. Try to reduce
+		 * the number of horizontal pixels that need an update.
+		 */
+		off_t bit_off = (off % info->fix.line_length) * 8;
+		off_t bit_end = (end % info->fix.line_length) * 8;
+
+		x1 = bit_off / info->var.bits_per_pixel;
+		x2 = DIV_ROUND_UP(bit_end, info->var.bits_per_pixel);
+	}
+
+	drm_rect_init(clip, x1, y1, x2 - x1, y2 - y1);
+}
+
 /**
  * drm_fb_helper_deferred_io() - fbdev deferred_io callback function
  * @info: fb_info struct pointer
@@ -693,23 +718,23 @@ void drm_fb_helper_deferred_io(struct fb_info *info,
 {
 	unsigned long start, end, min, max;
 	struct page *page;
-	u32 y1, y2;
+	struct drm_rect damage_area;
 
 	min = ULONG_MAX;
 	max = 0;
 	list_for_each_entry(page, pagelist, lru) {
 		start = page->index << PAGE_SHIFT;
-		end = start + PAGE_SIZE - 1;
+		end = start + PAGE_SIZE;
 		min = min(min, start);
 		max = max(max, end);
 	}
+	if (min >= max)
+		return;
 
-	if (min < max) {
-		y1 = min / info->fix.line_length;
-		y2 = min_t(u32, DIV_ROUND_UP(max, info->fix.line_length),
-			   info->var.yres);
-		drm_fb_helper_damage(info, 0, y1, info->var.xres, y2 - y1);
-	}
+	drm_fb_helper_memory_range_to_clip(info, min, max - min, &damage_area);
+	drm_fb_helper_damage(info, damage_area.x1, damage_area.y1,
+			     drm_rect_width(&damage_area),
+			     drm_rect_height(&damage_area));
 }
 EXPORT_SYMBOL(drm_fb_helper_deferred_io);
 
@@ -741,11 +766,18 @@ EXPORT_SYMBOL(drm_fb_helper_sys_read);
 ssize_t drm_fb_helper_sys_write(struct fb_info *info, const char __user *buf,
 				size_t count, loff_t *ppos)
 {
+	loff_t pos = *ppos;
 	ssize_t ret;
+	struct drm_rect damage_area;
 
 	ret = fb_sys_write(info, buf, count, ppos);
-	if (ret > 0)
-		drm_fb_helper_damage(info, 0, 0, info->var.xres, info->var.yres);
+	if (ret <= 0)
+		return ret;
+
+	drm_fb_helper_memory_range_to_clip(info, pos, ret, &damage_area);
+	drm_fb_helper_damage(info, damage_area.x1, damage_area.y1,
+			     drm_rect_width(&damage_area),
+			     drm_rect_height(&damage_area));
 
 	return ret;
 }
@@ -2224,6 +2256,7 @@ static ssize_t drm_fbdev_fb_write(struct fb_info *info, const char __user *buf,
 	loff_t pos = *ppos;
 	size_t total_size;
 	ssize_t ret;
+	struct drm_rect damage_area;
 	int err = 0;
 
 	if (info->screen_size)
@@ -2252,13 +2285,19 @@ static ssize_t drm_fbdev_fb_write(struct fb_info *info, const char __user *buf,
 	else
 		ret = fb_write_screen_buffer(info, buf, count, pos);
 
-	if (ret > 0)
-		*ppos += ret;
+	if (ret < 0)
+		return ret; /* return last error, if any */
+	else if (!ret)
+		return err; /* return previous error, if any */
 
-	if (ret > 0)
-		drm_fb_helper_damage(info, 0, 0, info->var.xres_virtual, info->var.yres_virtual);
+	*ppos += ret;
 
-	return ret ? ret : err;
+	drm_fb_helper_memory_range_to_clip(info, pos, ret, &damage_area);
+	drm_fb_helper_damage(info, damage_area.x1, damage_area.y1,
+			     drm_rect_width(&damage_area),
+			     drm_rect_height(&damage_area));
+
+	return ret;
 }
 
 static void drm_fbdev_fb_fillrect(struct fb_info *info,
@@ -2322,7 +2361,7 @@ static int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
 	struct drm_framebuffer *fb;
 	struct fb_info *fbi;
 	u32 format;
-	struct dma_buf_map map;
+	struct iosys_map map;
 	int ret;
 
 	drm_dbg_kms(dev, "surface width(%d), height(%d) and bpp(%d)\n",
@@ -2346,6 +2385,7 @@ static int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
 	fbi->fbops = &drm_fbdev_fb_ops;
 	fbi->screen_size = sizes->surface_height * fb->pitches[0];
 	fbi->fix.smem_len = fbi->screen_size;
+	fbi->flags = FBINFO_DEFAULT;
 
 	drm_fb_helper_fill_info(fbi, fb_helper, sizes);
 
@@ -2353,19 +2393,21 @@ static int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
 		fbi->screen_buffer = vzalloc(fbi->screen_size);
 		if (!fbi->screen_buffer)
 			return -ENOMEM;
+		fbi->flags |= FBINFO_VIRTFB | FBINFO_READS_FAST;
 
 		fbi->fbdefio = &drm_fbdev_defio;
-
 		fb_deferred_io_init(fbi);
 	} else {
 		/* buffer is mapped for HW framebuffer */
 		ret = drm_client_buffer_vmap(fb_helper->buffer, &map);
 		if (ret)
 			return ret;
-		if (map.is_iomem)
+		if (map.is_iomem) {
 			fbi->screen_base = map.vaddr_iomem;
-		else
+		} else {
 			fbi->screen_buffer = map.vaddr;
+			fbi->flags |= FBINFO_VIRTFB;
+		}
 
 		/*
 		 * Shamelessly leak the physical address to user-space. As