Merge tag 'drm-misc-next-2021-11-18' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.17:

UAPI Changes:

 * Remove restrictions on DMA_BUF_SET_NAME ioctl
 * connector: State of privacy screen
 * sysfs: Send hotplug uevent

Cross-subsystem Changes:

 * clk/bmc-2835: Fixes

 * dma-buf: Add dma_resv selftest; Error-handling fixes; Add debugfs
   helpers; Remove dma_resv_get_excl_unlocked(); Documentation fixes

 * pwm: Introduce of_pwm_single_xlate()

Core Changes:

 * Support for privacy screens
 * Make drm_irq.c legacy
 * Fix __stack_depot_* name conflict
 * Documentation fixes
 * Fixes and cleanups

 * dp-helper: Reuse 8b/10b link-training delay helpers

 * format-helper: Update interfaces

 * fb-helper: Allocate shadow buffer of correct size

 * gem: Link GEM SHMEM and CMA helpers into separate modules; Use
	    dma_resv iterator; Import DMA_BUF namespace into GEM-helper modules

 * gem/shmem-helper: Interface cleanups

 * scheduler: Grab fence in drm_sched_job_add_implicit_dependencies();
   Lockdep fixes

 * kms-helpers: Link several files from core into the KMS-helper module

Driver Changes:

 * Use dma_resv_iter in several places
 * Fixes and cleanups

 * amdgpu: Use drm_kms_helper_connector_hotplug_event(); Get all fences
   at once

 * bridge: Switch to managed MIPI DSI helpers in several places; Register
   and attach during probe in several places; Convert to YAML in several
   places

 * bridge/anx7625: Support MIPI DPI input; Support HDMI audio; Fixes

 * bridge/dw-hdmi: Allow interlace on bridge

 * bridge/ps8640: Enable PM; Support aux-bus

 * bridge/tc358768: Enabled reference clock; Support pulse mode;
   Modesetting fixes

 * bridge/ti-sn65dsi86: Use regmap_bulk_write(); Implement PWM

 * etnaviv: Get all fences at once

 * gma500: GEM object cleanups; Remove generic drivers in probe function

 * i915: Support VESA panel backlights

 * ingenic: Fixes and cleanups

 * kirin: Adjust probe order

 * kmb: Enable framebuffer console

 * lima: Kconfig fixes

 * meson: Refactoring to supperot DRM_BRIDGE_ATTACH_NO_ENCODER

 * msm: Fixes and cleanups

 * msm/dsi: Adjust probe order

 * omap: Fixes and cleanups

 * nouveau: CRC fixes; Validate LUTs in atomic check; Set HDMI AVI RGB
   quantization to FULL; Fixes and cleanups

 * panel: Support Innolux G070Y2-T02, Vivax TPC-9150, JDI R63452,
   Newhaven 1.8-128160EF, Wanchanglong W552964ABA, Novatek NT35950,
   BOE BF060Y8M, Sony Tulip Truly NT35521; Use dev_err_probe() throughout
   drivers; Fixes and cleanups

 * panel/ili9881c: Orientation fixes

 * radeon: Use dma_resv_wait_timeout()

 * rockchip: Add timeout for DSP hold; Suspend/resume fixes; PLL clock
   fixes; Implement mmap in GEM object functions

 * simpledrm: Support FB_DAMAGE_CLIPS and virtual screen sizes

 * sun4i: Use CMA helpers without vmap support

 * tidss: Fixes and cleanups

 * v3d: Cleanups

 * vc4: Fix HDMI-CEC hang when display is off; Power on HDMI controller
   while disabling; Support 4k@60 Hz modes; Fixes and cleanups

 * video: Convert to sysfs_emit() in several places

 * video/omapfb: Fix fall-through

 * virtio: Overflow fixes

 * xen: Implement mmap as GEM object functions

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YZYZSypIrr+qcih3@linux-uq9g.fritz.box

6 files changed, 40 insertions, 39 deletions

diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c
index 65dae05fff8e..26892940c213 100644
--- a/drivers/video/fbdev/core/fbsysfs.c
+++ b/drivers/video/fbdev/core/fbsysfs.c
@@ -230,7 +230,7 @@ static ssize_t show_bpp(struct device *device, struct device_attribute *attr,
 			char *buf)
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
-	return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.bits_per_pixel);
+	return sysfs_emit(buf, "%d\n", fb_info->var.bits_per_pixel);
 }
 
 static ssize_t store_rotate(struct device *device,
@@ -257,7 +257,7 @@ static ssize_t show_rotate(struct device *device,
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.rotate);
+	return sysfs_emit(buf, "%d\n", fb_info->var.rotate);
 }
 
 static ssize_t store_virtual(struct device *device,
@@ -285,7 +285,7 @@ static ssize_t show_virtual(struct device *device,
 			    struct device_attribute *attr, char *buf)
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xres_virtual,
+	return sysfs_emit(buf, "%d,%d\n", fb_info->var.xres_virtual,
 			fb_info->var.yres_virtual);
 }
 
@@ -293,7 +293,7 @@ static ssize_t show_stride(struct device *device,
 			   struct device_attribute *attr, char *buf)
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
-	return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length);
+	return sysfs_emit(buf, "%d\n", fb_info->fix.line_length);
 }
 
 static ssize_t store_blank(struct device *device,
@@ -381,7 +381,7 @@ static ssize_t show_pan(struct device *device,
 			struct device_attribute *attr, char *buf)
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset,
+	return sysfs_emit(buf, "%d,%d\n", fb_info->var.xoffset,
 			fb_info->var.yoffset);
 }
 
@@ -390,7 +390,7 @@ static ssize_t show_name(struct device *device,
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id);
+	return sysfs_emit(buf, "%s\n", fb_info->fix.id);
 }
 
 static ssize_t store_fbstate(struct device *device,
@@ -418,7 +418,7 @@ static ssize_t show_fbstate(struct device *device,
 			    struct device_attribute *attr, char *buf)
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
-	return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state);
+	return sysfs_emit(buf, "%d\n", fb_info->state);
 }
 
 #if IS_ENABLED(CONFIG_FB_BACKLIGHT)
diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index 3d090d2d9ed9..b495c09e6102 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -1555,6 +1555,7 @@ static void omapfb_free_resources(struct omapfb_device *fbdev, int state)
 	case 1:
 		dev_set_drvdata(fbdev->dev, NULL);
 		kfree(fbdev);
+		break;
 	case 0:
 		/* nothing to free */
 		break;
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c
index 6dbe265b312d..8f355d1caf86 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/display-sysfs.c
@@ -19,14 +19,14 @@
 
 static ssize_t display_name_show(struct omap_dss_device *dssdev, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%s\n",
+	return sysfs_emit(buf, "%s\n",
 			dssdev->name ?
 			dssdev->name : "");
 }
 
 static ssize_t display_enabled_show(struct omap_dss_device *dssdev, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 			omapdss_device_is_enabled(dssdev));
 }
 
@@ -59,7 +59,7 @@ static ssize_t display_enabled_store(struct omap_dss_device *dssdev,
 
 static ssize_t display_tear_show(struct omap_dss_device *dssdev, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 			dssdev->driver->get_te ?
 			dssdev->driver->get_te(dssdev) : 0);
 }
@@ -93,7 +93,7 @@ static ssize_t display_timings_show(struct omap_dss_device *dssdev, char *buf)
 
 	dssdev->driver->get_timings(dssdev, &t);
 
-	return snprintf(buf, PAGE_SIZE, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n",
+	return sysfs_emit(buf, "%u,%u/%u/%u/%u,%u/%u/%u/%u\n",
 			t.pixelclock,
 			t.x_res, t.hfp, t.hbp, t.hsw,
 			t.y_res, t.vfp, t.vbp, t.vsw);
@@ -143,7 +143,7 @@ static ssize_t display_rotate_show(struct omap_dss_device *dssdev, char *buf)
 	if (!dssdev->driver->get_rotate)
 		return -ENOENT;
 	rotate = dssdev->driver->get_rotate(dssdev);
-	return snprintf(buf, PAGE_SIZE, "%u\n", rotate);
+	return sysfs_emit(buf, "%u\n", rotate);
 }
 
 static ssize_t display_rotate_store(struct omap_dss_device *dssdev,
@@ -171,7 +171,7 @@ static ssize_t display_mirror_show(struct omap_dss_device *dssdev, char *buf)
 	if (!dssdev->driver->get_mirror)
 		return -ENOENT;
 	mirror = dssdev->driver->get_mirror(dssdev);
-	return snprintf(buf, PAGE_SIZE, "%u\n", mirror);
+	return sysfs_emit(buf, "%u\n", mirror);
 }
 
 static ssize_t display_mirror_store(struct omap_dss_device *dssdev,
@@ -203,7 +203,7 @@ static ssize_t display_wss_show(struct omap_dss_device *dssdev, char *buf)
 
 	wss = dssdev->driver->get_wss(dssdev);
 
-	return snprintf(buf, PAGE_SIZE, "0x%05x\n", wss);
+	return sysfs_emit(buf, "0x%05x\n", wss);
 }
 
 static ssize_t display_wss_store(struct omap_dss_device *dssdev,
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
index b52cc1af0959..3ffb1fe4a38a 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/manager-sysfs.c
@@ -22,14 +22,14 @@
 
 static ssize_t manager_name_show(struct omap_overlay_manager *mgr, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%s\n", mgr->name);
+	return sysfs_emit(buf, "%s\n", mgr->name);
 }
 
 static ssize_t manager_display_show(struct omap_overlay_manager *mgr, char *buf)
 {
 	struct omap_dss_device *dssdev = mgr->get_device(mgr);
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", dssdev ?
+	return sysfs_emit(buf, "%s\n", dssdev ?
 			dssdev->name : "<none>");
 }
 
@@ -120,7 +120,7 @@ static ssize_t manager_default_color_show(struct omap_overlay_manager *mgr,
 
 	mgr->get_manager_info(mgr, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%#x\n", info.default_color);
+	return sysfs_emit(buf, "%#x\n", info.default_color);
 }
 
 static ssize_t manager_default_color_store(struct omap_overlay_manager *mgr,
@@ -165,7 +165,7 @@ static ssize_t manager_trans_key_type_show(struct omap_overlay_manager *mgr,
 	key_type = info.trans_key_type;
 	BUG_ON(key_type >= ARRAY_SIZE(trans_key_type_str));
 
-	return snprintf(buf, PAGE_SIZE, "%s\n", trans_key_type_str[key_type]);
+	return sysfs_emit(buf, "%s\n", trans_key_type_str[key_type]);
 }
 
 static ssize_t manager_trans_key_type_store(struct omap_overlay_manager *mgr,
@@ -200,7 +200,7 @@ static ssize_t manager_trans_key_value_show(struct omap_overlay_manager *mgr,
 
 	mgr->get_manager_info(mgr, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%#x\n", info.trans_key);
+	return sysfs_emit(buf, "%#x\n", info.trans_key);
 }
 
 static ssize_t manager_trans_key_value_store(struct omap_overlay_manager *mgr,
@@ -236,7 +236,7 @@ static ssize_t manager_trans_key_enabled_show(struct omap_overlay_manager *mgr,
 
 	mgr->get_manager_info(mgr, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.trans_enabled);
+	return sysfs_emit(buf, "%d\n", info.trans_enabled);
 }
 
 static ssize_t manager_trans_key_enabled_store(struct omap_overlay_manager *mgr,
@@ -275,7 +275,7 @@ static ssize_t manager_alpha_blending_enabled_show(
 
 	mgr->get_manager_info(mgr, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 		info.partial_alpha_enabled);
 }
 
@@ -316,7 +316,7 @@ static ssize_t manager_cpr_enable_show(struct omap_overlay_manager *mgr,
 
 	mgr->get_manager_info(mgr, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.cpr_enable);
+	return sysfs_emit(buf, "%d\n", info.cpr_enable);
 }
 
 static ssize_t manager_cpr_enable_store(struct omap_overlay_manager *mgr,
@@ -358,7 +358,7 @@ static ssize_t manager_cpr_coef_show(struct omap_overlay_manager *mgr,
 
 	mgr->get_manager_info(mgr, &info);
 
-	return snprintf(buf, PAGE_SIZE,
+	return sysfs_emit(buf,
 			"%d %d %d %d %d %d %d %d %d\n",
 			info.cpr_coefs.rr,
 			info.cpr_coefs.rg,
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c b/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c
index 36acf366213a..421dcb7564ad 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/overlay-sysfs.c
@@ -22,12 +22,12 @@
 
 static ssize_t overlay_name_show(struct omap_overlay *ovl, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%s\n", ovl->name);
+	return sysfs_emit(buf, "%s\n", ovl->name);
 }
 
 static ssize_t overlay_manager_show(struct omap_overlay *ovl, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%s\n",
+	return sysfs_emit(buf, "%s\n",
 			ovl->manager ? ovl->manager->name : "<none>");
 }
 
@@ -108,7 +108,7 @@ static ssize_t overlay_input_size_show(struct omap_overlay *ovl, char *buf)
 
 	ovl->get_overlay_info(ovl, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+	return sysfs_emit(buf, "%d,%d\n",
 			info.width, info.height);
 }
 
@@ -118,7 +118,7 @@ static ssize_t overlay_screen_width_show(struct omap_overlay *ovl, char *buf)
 
 	ovl->get_overlay_info(ovl, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.screen_width);
+	return sysfs_emit(buf, "%d\n", info.screen_width);
 }
 
 static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf)
@@ -127,7 +127,7 @@ static ssize_t overlay_position_show(struct omap_overlay *ovl, char *buf)
 
 	ovl->get_overlay_info(ovl, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+	return sysfs_emit(buf, "%d,%d\n",
 			info.pos_x, info.pos_y);
 }
 
@@ -166,7 +166,7 @@ static ssize_t overlay_output_size_show(struct omap_overlay *ovl, char *buf)
 
 	ovl->get_overlay_info(ovl, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d,%d\n",
+	return sysfs_emit(buf, "%d,%d\n",
 			info.out_width, info.out_height);
 }
 
@@ -201,7 +201,7 @@ static ssize_t overlay_output_size_store(struct omap_overlay *ovl,
 
 static ssize_t overlay_enabled_show(struct omap_overlay *ovl, char *buf)
 {
-	return snprintf(buf, PAGE_SIZE, "%d\n", ovl->is_enabled(ovl));
+	return sysfs_emit(buf, "%d\n", ovl->is_enabled(ovl));
 }
 
 static ssize_t overlay_enabled_store(struct omap_overlay *ovl, const char *buf,
@@ -231,7 +231,7 @@ static ssize_t overlay_global_alpha_show(struct omap_overlay *ovl, char *buf)
 
 	ovl->get_overlay_info(ovl, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 			info.global_alpha);
 }
 
@@ -273,7 +273,7 @@ static ssize_t overlay_pre_mult_alpha_show(struct omap_overlay *ovl,
 
 	ovl->get_overlay_info(ovl, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n",
+	return sysfs_emit(buf, "%d\n",
 			info.pre_mult_alpha);
 }
 
@@ -314,7 +314,7 @@ static ssize_t overlay_zorder_show(struct omap_overlay *ovl, char *buf)
 
 	ovl->get_overlay_info(ovl, &info);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", info.zorder);
+	return sysfs_emit(buf, "%d\n", info.zorder);
 }
 
 static ssize_t overlay_zorder_store(struct omap_overlay *ovl,
diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c
index 2d39dbfa742e..06dc41aa0354 100644
--- a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c
+++ b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c
@@ -29,7 +29,7 @@ static ssize_t show_rotate_type(struct device *dev,
 	struct fb_info *fbi = dev_get_drvdata(dev);
 	struct omapfb_info *ofbi = FB2OFB(fbi);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->rotation_type);
+	return sysfs_emit(buf, "%d\n", ofbi->rotation_type);
 }
 
 static ssize_t store_rotate_type(struct device *dev,
@@ -83,7 +83,7 @@ static ssize_t show_mirror(struct device *dev,
 	struct fb_info *fbi = dev_get_drvdata(dev);
 	struct omapfb_info *ofbi = FB2OFB(fbi);
 
-	return snprintf(buf, PAGE_SIZE, "%d\n", ofbi->mirror);
+	return sysfs_emit(buf, "%d\n", ofbi->mirror);
 }
 
 static ssize_t store_mirror(struct device *dev,
@@ -415,7 +415,7 @@ static ssize_t show_size(struct device *dev,
 	struct fb_info *fbi = dev_get_drvdata(dev);
 	struct omapfb_info *ofbi = FB2OFB(fbi);
 
-	return snprintf(buf, PAGE_SIZE, "%lu\n", ofbi->region->size);
+	return sysfs_emit(buf, "%lu\n", ofbi->region->size);
 }
 
 static ssize_t store_size(struct device *dev, struct device_attribute *attr,
@@ -492,7 +492,7 @@ static ssize_t show_phys(struct device *dev,
 	struct fb_info *fbi = dev_get_drvdata(dev);
 	struct omapfb_info *ofbi = FB2OFB(fbi);
 
-	return snprintf(buf, PAGE_SIZE, "%0x\n", ofbi->region->paddr);
+	return sysfs_emit(buf, "%0x\n", ofbi->region->paddr);
 }
 
 static ssize_t show_virt(struct device *dev,
@@ -501,7 +501,7 @@ static ssize_t show_virt(struct device *dev,
 	struct fb_info *fbi = dev_get_drvdata(dev);
 	struct omapfb_info *ofbi = FB2OFB(fbi);
 
-	return snprintf(buf, PAGE_SIZE, "%p\n", ofbi->region->vaddr);
+	return sysfs_emit(buf, "%p\n", ofbi->region->vaddr);
 }
 
 static ssize_t show_upd_mode(struct device *dev,
@@ -516,7 +516,7 @@ static ssize_t show_upd_mode(struct device *dev,
 	if (r)
 		return r;
 
-	return snprintf(buf, PAGE_SIZE, "%u\n", (unsigned)mode);
+	return sysfs_emit(buf, "%u\n", (unsigned int)mode);
 }
 
 static ssize_t store_upd_mode(struct device *dev, struct device_attribute *attr,