Merge tag 'drm-misc-next-2019-03-28-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.2:

UAPI Changes:
- Remove unused DRM_DISPLAY_INFO_LEN (Ville)

Cross-subsystem Changes:
- None

Core Changes:
- Fix compilation when CONFIG_FBDEV not selected (Daniel)
- fbdev: Make skip_vt_switch default (Daniel)
- Merge fb_helper_fill_fix, fb_helper_fill_var into fb_helper_fill_info (Daniel)
- Remove unused fields in connector, display_info, and edid_quirks (Ville)

Driver Changes:
- virtio: package function args in virtio_gpu_object_params (Gerd)
- vkms: Fix potential NULL-dereference bug (Kangjie)

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

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190328183045.GA44823@art_vandelay

46 files changed, 292 insertions, 442 deletions

diff --git a/Documentation/gpu/kms-properties.csv b/Documentation/gpu/kms-properties.csv
index bfde04eddd14..07ed22ea3bd6 100644
--- a/Documentation/gpu/kms-properties.csv
+++ b/Documentation/gpu/kms-properties.csv
@@ -17,7 +17,6 @@ Owner Module/Drivers,Group,Property Name,Type,Property Values,Object attached,De
 ,Virtual GPU,“suggested X”,RANGE,"Min=0, Max=0xffffffff",Connector,property to suggest an X offset for a connector
 ,,“suggested Y”,RANGE,"Min=0, Max=0xffffffff",Connector,property to suggest an Y offset for a connector
 ,Optional,"""aspect ratio""",ENUM,"{ ""None"", ""4:3"", ""16:9"" }",Connector,TDB
-,Optional,"""content type""",ENUM,"{ ""No Data"", ""Graphics"", ""Photo"", ""Cinema"", ""Game"" }",Connector,TBD
 i915,Generic,"""Broadcast RGB""",ENUM,"{ ""Automatic"", ""Full"", ""Limited 16:235"" }",Connector,"When this property is set to Limited 16:235 and CTM is set, the hardware will be programmed with the result of the multiplication of CTM by the limited range matrix to ensure the pixels normaly in the range 0..1.0 are remapped to the range 16/255..235/255."
 ,,“audio”,ENUM,"{ ""force-dvi"", ""off"", ""auto"", ""on"" }",Connector,TBD
 ,SDVO-TV,“mode”,ENUM,"{ ""NTSC_M"", ""NTSC_J"", ""NTSC_443"", ""PAL_B"" } etc.",Connector,TBD
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 5cbde74b97dd..e47609218839 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -49,12 +49,11 @@
 static int
 amdgpufb_open(struct fb_info *info, int user)
 {
-	struct amdgpu_fbdev *rfbdev = info->par;
-	struct amdgpu_device *adev = rfbdev->adev;
-	int ret = pm_runtime_get_sync(adev->ddev->dev);
+	struct drm_fb_helper *fb_helper = info->par;
+	int ret = pm_runtime_get_sync(fb_helper->dev->dev);
 	if (ret < 0 && ret != -EACCES) {
-		pm_runtime_mark_last_busy(adev->ddev->dev);
-		pm_runtime_put_autosuspend(adev->ddev->dev);
+		pm_runtime_mark_last_busy(fb_helper->dev->dev);
+		pm_runtime_put_autosuspend(fb_helper->dev->dev);
 		return ret;
 	}
 	return 0;
@@ -63,11 +62,10 @@ amdgpufb_open(struct fb_info *info, int user)
 static int
 amdgpufb_release(struct fb_info *info, int user)
 {
-	struct amdgpu_fbdev *rfbdev = info->par;
-	struct amdgpu_device *adev = rfbdev->adev;
+	struct drm_fb_helper *fb_helper = info->par;
 
-	pm_runtime_mark_last_busy(adev->ddev->dev);
-	pm_runtime_put_autosuspend(adev->ddev->dev);
+	pm_runtime_mark_last_busy(fb_helper->dev->dev);
+	pm_runtime_put_autosuspend(fb_helper->dev->dev);
 	return 0;
 }
 
@@ -233,9 +231,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 		goto out;
 	}
 
-	info->par = rfbdev;
-	info->skip_vt_switch = true;
-
 	ret = amdgpu_display_framebuffer_init(adev->ddev, &rfbdev->rfb,
 					      &mode_cmd, gobj);
 	if (ret) {
@@ -248,10 +243,6 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 	/* setup helper */
 	rfbdev->helper.fb = fb;
 
-	strcpy(info->fix.id, "amdgpudrmfb");
-
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-
 	info->fbops = &amdgpufb_ops;
 
 	tmp = amdgpu_bo_gpu_offset(abo) - adev->gmc.vram_start;
@@ -260,7 +251,7 @@ static int amdgpufb_create(struct drm_fb_helper *helper,
 	info->screen_base = amdgpu_bo_kptr(abo);
 	info->screen_size = amdgpu_bo_size(abo);
 
-	drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(info, &rfbdev->helper, sizes);
 
 	/* setup aperture base/size for vesafb takeover */
 	info->apertures->ranges[0].base = adev->ddev->mode_config.fb_base;
diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c
index 8d23700848df..1e7140f005a5 100644
--- a/drivers/gpu/drm/armada/armada_fbdev.c
+++ b/drivers/gpu/drm/armada/armada_fbdev.c
@@ -78,8 +78,6 @@ static int armada_fbdev_create(struct drm_fb_helper *fbh,
 		goto err_fballoc;
 	}
 
-	strlcpy(info->fix.id, "armada-drmfb", sizeof(info->fix.id));
-	info->par = fbh;
 	info->fbops = &armada_fb_ops;
 	info->fix.smem_start = obj->phys_addr;
 	info->fix.smem_len = obj->obj.size;
@@ -87,9 +85,7 @@ static int armada_fbdev_create(struct drm_fb_helper *fbh,
 	info->screen_base = ptr;
 	fbh->fb = &dfb->fb;
 
-	drm_fb_helper_fill_fix(info, dfb->fb.pitches[0],
-			       dfb->fb.format->depth);
-	drm_fb_helper_fill_var(info, fbh, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(info, fbh, sizes);
 
 	DRM_DEBUG_KMS("allocated %dx%d %dbpp fb: 0x%08llx\n",
 		dfb->fb.width, dfb->fb.height, dfb->fb.format->cpp[0] * 8,
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
index bfc65040dfcb..ffce4608e0c5 100644
--- a/drivers/gpu/drm/ast/ast_drv.h
+++ b/drivers/gpu/drm/ast/ast_drv.h
@@ -259,7 +259,7 @@ struct ast_framebuffer {
 };
 
 struct ast_fbdev {
-	struct drm_fb_helper helper;
+	struct drm_fb_helper helper; /* must be first */
 	struct ast_framebuffer afb;
 	void *sysram;
 	int size;
diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 2c9f8dd9733a..e718d0f60d6b 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -217,8 +217,6 @@ static int astfb_create(struct drm_fb_helper *helper,
 		ret = PTR_ERR(info);
 		goto out;
 	}
-	info->par = afbdev;
-
 	ret = ast_framebuffer_init(dev, &afbdev->afb, &mode_cmd, gobj);
 	if (ret)
 		goto out;
@@ -229,15 +227,12 @@ static int astfb_create(struct drm_fb_helper *helper,
 	fb = &afbdev->afb.base;
 	afbdev->helper.fb = fb;
 
-	strcpy(info->fix.id, "astdrmfb");
-
 	info->fbops = &astfb_ops;
 
 	info->apertures->ranges[0].base = pci_resource_start(dev->pdev, 0);
 	info->apertures->ranges[0].size = pci_resource_len(dev->pdev, 0);
 
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-	drm_fb_helper_fill_var(info, &afbdev->helper, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(info, &afbdev->helper, sizes);
 
 	info->screen_base = sysram;
 	info->screen_size = size;
diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.h b/drivers/gpu/drm/cirrus/cirrus_drv.h
index f2b2e0d169fa..915709739257 100644
--- a/drivers/gpu/drm/cirrus/cirrus_drv.h
+++ b/drivers/gpu/drm/cirrus/cirrus_drv.h
@@ -143,7 +143,7 @@ struct cirrus_device {
 
 
 struct cirrus_fbdev {
-	struct drm_fb_helper helper;
+	struct drm_fb_helper helper; /* must be first */
 	struct drm_framebuffer *gfb;
 	void *sysram;
 	int size;
diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
index 39df62acac69..2e6128069fc3 100644
--- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c
+++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c
@@ -195,8 +195,6 @@ static int cirrusfb_create(struct drm_fb_helper *helper,
 		goto err_vfree;
 	}
 
-	info->par = gfbdev;
-
 	fb = kzalloc(sizeof(*fb), GFP_KERNEL);
 	if (!fb) {
 		ret = -ENOMEM;
@@ -214,13 +212,9 @@ static int cirrusfb_create(struct drm_fb_helper *helper,
 	/* setup helper */
 	gfbdev->helper.fb = fb;
 
-	strcpy(info->fix.id, "cirrusdrmfb");
-
 	info->fbops = &cirrusfb_ops;
 
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-	drm_fb_helper_fill_var(info, &gfbdev->helper, sizes->fb_width,
-			       sizes->fb_height);
+	drm_fb_helper_fill_info(info, &gfbdev->helper, sizes);
 
 	/* setup aperture base/size for vesafb takeover */
 	info->apertures->ranges[0].base = cdev->dev->mode_config.fb_base;
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index fa39592ebc0a..2c22ea446075 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -68,8 +68,6 @@
  * maximum size and use that.
  */
 #define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE	(1 << 4)
-/* Monitor forgot to set the first detailed is preferred bit. */
-#define EDID_QUIRK_FIRST_DETAILED_PREFERRED	(1 << 5)
 /* use +hsync +vsync for detailed mode */
 #define EDID_QUIRK_DETAILED_SYNC_PP		(1 << 6)
 /* Force reduced-blanking timings for detailed modes */
@@ -107,8 +105,6 @@ static const struct edid_quirk {
 	{ "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
 	/* Acer F51 */
 	{ "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
-	/* Unknown Acer */
-	{ "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
 
 	/* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
 	{ "AEO", 0, EDID_QUIRK_FORCE_6BPC },
@@ -145,12 +141,6 @@ static const struct edid_quirk {
 	{ "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
 	{ "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
 
-	/* Philips 107p5 CRT */
-	{ "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
-
-	/* Proview AY765C */
-	{ "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
-
 	/* Samsung SyncMaster 205BW.  Note: irony */
 	{ "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
 	/* Samsung SyncMaster 22[5-6]BW */
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 04d23cb430bf..03749a24e4dd 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -934,6 +934,7 @@ struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper)
 	}
 
 	fb_helper->fbdev = info;
+	info->skip_vt_switch = true;
 
 	return info;
 
@@ -2036,21 +2037,8 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper,
 	return 0;
 }
 
-/**
- * drm_fb_helper_fill_fix - initializes fixed fbdev information
- * @info: fbdev registered by the helper
- * @pitch: desired pitch
- * @depth: desired depth
- *
- * Helper to fill in the fixed fbdev information useful for a non-accelerated
- * fbdev emulations. Drivers which support acceleration methods which impose
- * additional constraints need to set up their own limits.
- *
- * Drivers should call this (or their equivalent setup code) from their
- * &drm_fb_helper_funcs.fb_probe callback.
- */
-void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
-			    uint32_t depth)
+static void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
+				   uint32_t depth)
 {
 	info->fix.type = FB_TYPE_PACKED_PIXELS;
 	info->fix.visual = depth == 8 ? FB_VISUAL_PSEUDOCOLOR :
@@ -2065,24 +2053,10 @@ void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
 
 	info->fix.line_length = pitch;
 }
-EXPORT_SYMBOL(drm_fb_helper_fill_fix);
 
-/**
- * drm_fb_helper_fill_var - initalizes variable fbdev information
- * @info: fbdev instance to set up
- * @fb_helper: fb helper instance to use as template
- * @fb_width: desired fb width
- * @fb_height: desired fb height
- *
- * Sets up the variable fbdev metainformation from the given fb helper instance
- * and the drm framebuffer allocated in &drm_fb_helper.fb.
- *
- * Drivers should call this (or their equivalent setup code) from their
- * &drm_fb_helper_funcs.fb_probe callback after having allocated the fbdev
- * backing storage framebuffer.
- */
-void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
-			    uint32_t fb_width, uint32_t fb_height)
+static void drm_fb_helper_fill_var(struct fb_info *info,
+				   struct drm_fb_helper *fb_helper,
+				   uint32_t fb_width, uint32_t fb_height)
 {
 	struct drm_framebuffer *fb = fb_helper->fb;
 
@@ -2102,7 +2076,36 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe
 	info->var.xres = fb_width;
 	info->var.yres = fb_height;
 }
-EXPORT_SYMBOL(drm_fb_helper_fill_var);
+
+/**
+ * drm_fb_helper_fill_info - initializes fbdev information
+ * @info: fbdev instance to set up
+ * @fb_helper: fb helper instance to use as template
+ * @sizes: describes fbdev size and scanout surface size
+ *
+ * Sets up the variable and fixed fbdev metainformation from the given fb helper
+ * instance and the drm framebuffer allocated in &drm_fb_helper.fb.
+ *
+ * Drivers should call this (or their equivalent setup code) from their
+ * &drm_fb_helper_funcs.fb_probe callback after having allocated the fbdev
+ * backing storage framebuffer.
+ */
+void drm_fb_helper_fill_info(struct fb_info *info,
+			     struct drm_fb_helper *fb_helper,
+			     struct drm_fb_helper_surface_size *sizes)
+{
+	struct drm_framebuffer *fb = fb_helper->fb;
+
+	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
+	drm_fb_helper_fill_var(info, fb_helper,
+			       sizes->fb_width, sizes->fb_height);
+
+	info->par = fb_helper;
+	snprintf(info->fix.id, sizeof(info->fix.id), "%sdrmfb",
+		 fb_helper->dev->driver->name);
+
+}
+EXPORT_SYMBOL(drm_fb_helper_fill_info);
 
 static int drm_fb_helper_probe_connector_modes(struct drm_fb_helper *fb_helper,
 						uint32_t maxX,
@@ -2780,9 +2783,8 @@ __drm_fb_helper_initial_config_and_unlock(struct drm_fb_helper *fb_helper,
  *
  * This function will call down into the &drm_fb_helper_funcs.fb_probe callback
  * to let the driver allocate and initialize the fbdev info structure and the
- * drm framebuffer used to back the fbdev. drm_fb_helper_fill_var() and
- * drm_fb_helper_fill_fix() are provided as helpers to setup simple default
- * values for the fbdev info structure.
+ * drm framebuffer used to back the fbdev. drm_fb_helper_fill_info() is provided
+ * as a helper to setup simple default values for the fbdev info structure.
  *
  * HANG DEBUGGING:
  *
@@ -3151,7 +3153,6 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
 	if (IS_ERR(fbi))
 		return PTR_ERR(fbi);
 
-	fbi->par = fb_helper;
 	fbi->fbops = &drm_fbdev_fb_ops;
 	fbi->screen_size = fb->height * fb->pitches[0];
 	fbi->fix.smem_len = fbi->screen_size;
@@ -3162,10 +3163,7 @@ int drm_fb_helper_generic_probe(struct drm_fb_helper *fb_helper,
 		fbi->fix.smem_start =
 			page_to_phys(virt_to_page(fbi->screen_buffer));
 #endif
-	strcpy(fbi->fix.id, "DRM emulated");
-
-	drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->format->depth);
-	drm_fb_helper_fill_var(fbi, fb_helper, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(fbi, fb_helper, sizes);
 
 	if (fb->funcs->dirty) {
 		struct fb_ops *fbops;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index c30dd88cdb25..581a6a207995 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -87,11 +87,9 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
 		return PTR_ERR(fbi);
 	}
 
-	fbi->par = helper;
 	fbi->fbops = &exynos_drm_fb_ops;
 
-	drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->format->depth);
-	drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(fbi, helper, sizes);
 
 	nr_pages = exynos_gem->size >> PAGE_SHIFT;
 
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index c934b3df1f81..a9d3a4a30ab8 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -389,7 +389,6 @@ static int psbfb_create(struct psb_fbdev *fbdev,
 		ret = PTR_ERR(info);
 		goto out;
 	}
-	info->par = fbdev;
 
 	mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
 
@@ -402,9 +401,6 @@ static int psbfb_create(struct psb_fbdev *fbdev,
 
 	fbdev->psb_fb_helper.fb = fb;
 
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-	strcpy(info->fix.id, "psbdrmfb");
-
 	if (dev_priv->ops->accel_2d && pitch_lines > 8)	/* 2D engine */
 		info->fbops = &psbfb_ops;
 	else if (gtt_roll) {	/* GTT rolling seems best */
@@ -427,8 +423,7 @@ static int psbfb_create(struct psb_fbdev *fbdev,
 		info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
 	}
 
-	drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
-				sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(info, &fbdev->psb_fb_helper, sizes);
 
 	info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
 	info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
diff --git a/drivers/gpu/drm/gma500/framebuffer.h b/drivers/gpu/drm/gma500/framebuffer.h
index 23dc3c5f8f0d..e8e6357f033b 100644
--- a/drivers/gpu/drm/gma500/framebuffer.h
+++ b/drivers/gpu/drm/gma500/framebuffer.h
@@ -34,7 +34,7 @@ struct psb_framebuffer {
 };
 
 struct psb_fbdev {
-	struct drm_fb_helper psb_fb_helper;
+	struct drm_fb_helper psb_fb_helper; /* must be first */
 	struct psb_framebuffer pfb;
 };
 
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
index 3c168ae77b0c..0a381c22de26 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
@@ -31,7 +31,7 @@ struct hibmc_framebuffer {
 };
 
 struct hibmc_fbdev {
-	struct drm_fb_helper helper;
+	struct drm_fb_helper helper; /* must be first */
 	struct hibmc_framebuffer *fb;
 	int size;
 };
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c
index de9d7cc97e44..8026859aa07d 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c
@@ -116,8 +116,6 @@ static int hibmc_drm_fb_create(struct drm_fb_helper *helper,
 		goto out_release_fbi;
 	}
 
-	info->par = hi_fbdev;
-
 	hi_fbdev->fb = hibmc_framebuffer_init(priv->dev, &mode_cmd, gobj);
 	if (IS_ERR(hi_fbdev->fb)) {
 		ret = PTR_ERR(hi_fbdev->fb);
@@ -129,14 +127,9 @@ static int hibmc_drm_fb_create(struct drm_fb_helper *helper,
 	priv->fbdev->size = size;
 	hi_fbdev->helper.fb = &hi_fbdev->fb->fb;
 
-	strcpy(info->fix.id, "hibmcdrmfb");
-
 	info->fbops = &hibmc_drm_fb_ops;
 
-	drm_fb_helper_fill_fix(info, hi_fbdev->fb->fb.pitches[0],
-			       hi_fbdev->fb->fb.format->depth);
-	drm_fb_helper_fill_var(info, &priv->fbdev->helper, sizes->fb_width,
-			       sizes->fb_height);
+	drm_fb_helper_fill_info(info, &priv->fbdev->helper, sizes);
 
 	info->screen_base = bo->kmap.virtual;
 	info->screen_size = size;
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
index d2cf7317930a..8c2f9b9cafb3 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c
@@ -33,17 +33,10 @@ static enum drm_mode_status hibmc_connector_mode_valid(struct drm_connector *con
 	return MODE_OK;
 }
 
-static struct drm_encoder *
-hibmc_connector_best_encoder(struct drm_connector *connector)
-{
-	return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]);
-}
-
 static const struct drm_connector_helper_funcs
 	hibmc_connector_helper_funcs = {
 	.get_modes = hibmc_connector_get_modes,
 	.mode_valid = hibmc_connector_mode_valid,
-	.best_encoder = hibmc_connector_best_encoder,
 };
 
 static const struct drm_connector_funcs hibmc_connector_funcs = {
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index bb2c16c439ea..652f65d2e131 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2866,7 +2866,6 @@ static void intel_connector_info(struct seq_file *m,
 	if (connector->status == connector_status_disconnected)
 		return;
 
-	seq_printf(m, "\tname: %s\n", connector->display_info.name);
 	seq_printf(m, "\tphysical dimensions: %dx%dmm\n",
 		   connector->display_info.width_mm,
 		   connector->display_info.height_mm);
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index e8f694b57b8a..ef93c27e60b4 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -235,12 +235,8 @@ static int intelfb_create(struct drm_fb_helper *helper,
 		goto out_unpin;
 	}
 
-	info->par = helper;
-
 	ifbdev->helper.fb = fb;
 
-	strcpy(info->fix.id, "inteldrmfb");
-
 	info->fbops = &intelfb_ops;
 
 	/* setup aperture base/size for vesafb takeover */
@@ -259,11 +255,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
 	info->screen_base = vaddr;
 	info->screen_size = vma->node.size;
 
-	/* This driver doesn't need a VT switch to restore the mode on resume */
-	info->skip_vt_switch = true;
-
-	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-	drm_fb_helper_fill_var(info, &ifbdev->helper, sizes->fb_width, sizes->fb_height);
+	drm_fb_helper_fill_info(info, &ifbdev->helper, sizes);
 
 	/* If the object is shmemfs backed, it will have given us zeroed pages.
 	 * If the object is stolen however, it will be full of whatever
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 0aaedc554879..71a235c2d848 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -113,7 +113,7 @@ struct mga_framebuffer {
 };
 
 struct mga_fbdev {
-	struct drm_fb_helper helper;
+	struct drm_fb_helper helper; /* must be first */
 	struct mga_framebuffer mfb;
 	void *sysram;
 	int size;
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 6893934b26c0..5b7e64cac004 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -195,8 +195,6 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
 		goto err_alloc_fbi;
 	}
 
-	info->par = mfbdev;
-
 	ret = mgag200_framebuffer_init(dev, &mfbdev->mfb, &mode_cmd, gobj);
 	if (ret)
 		goto err_alloc_fbi;
@@ -209,17 +207,13 @@ static int mgag200fb_create(struct drm_fb_helper *helper,
 	/* setup helper */
 	mfbdev->helper.fb = fb;
 
-	strcpy(info->fix.id, "mgadrmfb");
-
 	info->fbops = &mgag200fb_ops;
 
 	/* setup aperture base/size for vesafb takeover */
 	info->apertures->ranges[0].base = mdev->dev->mode_config.fb_base;
 	info->apertures->ranges[0].size = mdev->