Merge tag 'drm-misc-next-2023-09-11-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v6.7-rc1:

UAPI Changes:
- Nouveau changed to not set NO_PREFETCH flag explicitly.

Cross-subsystem Changes:
- Update documentation of dma-buf intro and uapi.
- fbdev/sbus fixes.
- Use initializer macros in a lot of fbdev drivers.
- Add Boris Brezillon as Panfrost driver maintainer.
- Add Jessica Zhang as drm/panel reviewer.
- Make more fbdev drivers use fb_ops helpers for deferred io.
- Small hid trailing whitespace fix.
- Use fb_ops in hid/picolcd

Core Changes:
- Assorted small fixes to ttm tests, drm/mst.
- Documentation updates to bridge.
- Add kunit tests for some drm_fb functions.
- Rework drm_debugfs implementation.
- Update xe documentation to mark todos as completed.

Driver Changes:
- Add support to rockchip for rv1126 mipi-dsi and vop.
- Assorted small fixes to nouveau, bridge/samsung-dsim,
  bridge/lvds-codec, loongson, rockchip, panfrost, gma500, repaper,
  komeda, virtio, ssd130x.
- Add support for simple panels Mitsubishi AA084XE01,
  JDI LPM102A188A,
- Documentation updates to accel/ivpu.
- Some nouveau scheduling/fence fixes.
- Power management related fixes and other fixes to ivpu.
- Assorted bridge/it66121 fixes.
- Make platform drivers return void in remove() callback.

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3da6554b-3b47-fe7d-c4ea-21f4f819dbb6@linux.intel.com

2 files changed, 28 insertions, 77 deletions

diff --git a/drivers/staging/fbtft/Kconfig b/drivers/staging/fbtft/Kconfig
index 5dda3c65a38e..77ab44362f16 100644
--- a/drivers/staging/fbtft/Kconfig
+++ b/drivers/staging/fbtft/Kconfig
@@ -4,12 +4,8 @@ menuconfig FB_TFT
 	depends on FB && SPI
 	depends on FB_DEVICE
 	depends on GPIOLIB || COMPILE_TEST
-	select FB_SYS_FILLRECT
-	select FB_SYS_COPYAREA
-	select FB_SYS_IMAGEBLIT
-	select FB_SYS_FOPS
-	select FB_DEFERRED_IO
 	select FB_BACKLIGHT
+	select FB_SYSMEM_HELPERS_DEFERRED
 
 config FB_TFT_AGM1264K_FL
 	tristate "FB driver for the AGM1264K-FL LCD display"
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index eac1d570f437..3626f429b002 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -357,61 +357,6 @@ static void fbtft_deferred_io(struct fb_info *info, struct list_head *pagereflis
 					dirty_lines_start, dirty_lines_end);
 }
 
-static void fbtft_fb_fillrect(struct fb_info *info,
-			      const struct fb_fillrect *rect)
-{
-	struct fbtft_par *par = info->par;
-
-	dev_dbg(info->dev,
-		"%s: dx=%d, dy=%d, width=%d, height=%d\n",
-		__func__, rect->dx, rect->dy, rect->width, rect->height);
-	sys_fillrect(info, rect);
-
-	par->fbtftops.mkdirty(info, rect->dy, rect->height);
-}
-
-static void fbtft_fb_copyarea(struct fb_info *info,
-			      const struct fb_copyarea *area)
-{
-	struct fbtft_par *par = info->par;
-
-	dev_dbg(info->dev,
-		"%s: dx=%d, dy=%d, width=%d, height=%d\n",
-		__func__,  area->dx, area->dy, area->width, area->height);
-	sys_copyarea(info, area);
-
-	par->fbtftops.mkdirty(info, area->dy, area->height);
-}
-
-static void fbtft_fb_imageblit(struct fb_info *info,
-			       const struct fb_image *image)
-{
-	struct fbtft_par *par = info->par;
-
-	dev_dbg(info->dev,
-		"%s: dx=%d, dy=%d, width=%d, height=%d\n",
-		__func__,  image->dx, image->dy, image->width, image->height);
-	sys_imageblit(info, image);
-
-	par->fbtftops.mkdirty(info, image->dy, image->height);
-}
-
-static ssize_t fbtft_fb_write(struct fb_info *info, const char __user *buf,
-			      size_t count, loff_t *ppos)
-{
-	struct fbtft_par *par = info->par;
-	ssize_t res;
-
-	dev_dbg(info->dev,
-		"%s: count=%zd, ppos=%llu\n", __func__,  count, *ppos);
-	res = fb_sys_write(info, buf, count, ppos);
-
-	/* TODO: only mark changed area update all for now */
-	par->fbtftops.mkdirty(info, -1, 0);
-
-	return res;
-}
-
 /* from pxafb.c */
 static unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf)
 {
@@ -473,6 +418,32 @@ static int fbtft_fb_blank(int blank, struct fb_info *info)
 	return ret;
 }
 
+static void fbtft_ops_damage_range(struct fb_info *info, off_t off, size_t len)
+{
+	struct fbtft_par *par = info->par;
+
+	/* TODO: only mark changed area update all for now */
+	par->fbtftops.mkdirty(info, -1, 0);
+}
+
+static void fbtft_ops_damage_area(struct fb_info *info, u32 x, u32 y, u32 width, u32 height)
+{
+	struct fbtft_par *par = info->par;
+
+	par->fbtftops.mkdirty(info, y, height);
+}
+
+FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(fbtft_ops,
+				   fbtft_ops_damage_range,
+				   fbtft_ops_damage_area)
+
+static const struct fb_ops fbtft_ops = {
+	.owner        = THIS_MODULE,
+	FB_DEFAULT_DEFERRED_OPS(fbtft_ops),
+	.fb_setcolreg = fbtft_fb_setcolreg,
+	.fb_blank     = fbtft_fb_blank,
+};
+
 static void fbtft_merge_fbtftops(struct fbtft_ops *dst, struct fbtft_ops *src)
 {
 	if (src->write)
@@ -521,7 +492,6 @@ static void fbtft_merge_fbtftops(struct fbtft_ops *dst, struct fbtft_ops *src)
  * Creates a new frame buffer info structure.
  *
  * Also creates and populates the following structures:
- *   info->fbops
  *   info->fbdefio
  *   info->pseudo_palette
  *   par->fbtftops
@@ -536,7 +506,6 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
 {
 	struct fb_info *info;
 	struct fbtft_par *par;
-	struct fb_ops *fbops = NULL;
 	struct fb_deferred_io *fbdefio = NULL;
 	u8 *vmem = NULL;
 	void *txbuf = NULL;
@@ -611,10 +580,6 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
 	if (!vmem)
 		goto alloc_fail;
 
-	fbops = devm_kzalloc(dev, sizeof(struct fb_ops), GFP_KERNEL);
-	if (!fbops)
-		goto alloc_fail;
-
 	fbdefio = devm_kzalloc(dev, sizeof(struct fb_deferred_io), GFP_KERNEL);
 	if (!fbdefio)
 		goto alloc_fail;
@@ -638,19 +603,9 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
 		goto alloc_fail;
 
 	info->screen_buffer = vmem;
-	info->fbops = fbops;
+	info->fbops = &fbtft_ops;
 	info->fbdefio = fbdefio;
 
-	fbops->owner        =      dev->driver->owner;
-	fbops->fb_read      =      fb_sys_read;
-	fbops->fb_write     =      fbtft_fb_write;
-	fbops->fb_fillrect  =      fbtft_fb_fillrect;
-	fbops->fb_copyarea  =      fbtft_fb_copyarea;
-	fbops->fb_imageblit =      fbtft_fb_imageblit;
-	fbops->fb_setcolreg =      fbtft_fb_setcolreg;
-	fbops->fb_blank     =      fbtft_fb_blank;
-	fbops->fb_mmap      =      fb_deferred_io_mmap;
-
 	fbdefio->delay =            HZ / fps;
 	fbdefio->sort_pagereflist = true;
 	fbdefio->deferred_io =      fbtft_deferred_io;