Merge tag 'drm-misc-next-2020-01-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.6:

UAPI Changes:
- Allow overriding number of bootup penguins in fbcon using fbcon=logo-count:n.

Cross-subsystem Changes:
- fbdev fixes for mmp, and make it work with CONFIG_COMPILE_TEST.
- Use devm_platform_ioremap_resource in fbdev drivers.
- Various small fbdev fixes.

Core Changes:
- Support scanline alignment for dumb buffers.
- Add atomic_check() hook to bridge ops, to support bus format negotiation.
- Add gem_create_object() to vram helpers.

Driver Changes:
- Rockchip: Add support for PX30.
- Use generic fbdev code and dumb helpers in hisilicon/hibmc.
- Add support for Leadtek LTK500HD1829 panel, and xinpeng XPP055C272.
- Clock fixes for atmel-hlcdc.
- Various smaller fixes to all drivers.
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8eff1e3f-ef0a-2dd9-9a14-6273b1d6f963@linux.intel.com

Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/leadtek,ltk500hd1829.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Leadtek LTK500HD1829 5.0in 720x1280 DSI panel
+
+maintainers:
+  - Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: leadtek,ltk500hd1829
+  reg: true
+  backlight: true
+  reset-gpios: true
+  iovcc-supply:
+     description: regulator that supplies the iovcc voltage
+  vcc-supply:
+     description: regulator that supplies the vcc voltage
+
+required:
+  - compatible
+  - reg
+  - backlight
+  - iovcc-supply
+  - vcc-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    dsi@ff450000 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        panel@0 {
+            compatible = "leadtek,ltk500hd1829";
+            reg = <0>;
+            backlight = <&backlight>;
+            iovcc-supply = <&vcc_1v8>;
+            vcc-supply = <&vcc_2v8>;
+        };
+    };
+
+...

Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/xinpeng,xpp055c272.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Xinpeng XPP055C272 5.5in 720x1280 DSI panel
+
+maintainers:
+  - Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: xinpeng,xpp055c272
+  reg: true
+  backlight: true
+  reset-gpios: true
+  iovcc-supply:
+     description: regulator that supplies the iovcc voltage
+  vci-supply:
+     description: regulator that supplies the vci voltage
+
+required:
+  - compatible
+  - reg
+  - backlight
+  - iovcc-supply
+  - vci-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    dsi@ff450000 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        panel@0 {
+            compatible = "xinpeng,xpp055c272";
+            reg = <0>;
+            backlight = <&backlight>;
+            iovcc-supply = <&vcc_1v8>;
+            vci-supply = <&vcc3v3_lcd>;
+        };
+    };
+
+...

Documentation/devicetree/bindings/display/rockchip/rockchip-lvds.txt

@@ -4,6 +4,7 @@ Rockchip RK3288 LVDS interface
 Required properties:
 - compatible: matching the soc type, one of
 	- "rockchip,rk3288-lvds";
+	- "rockchip,px30-lvds";
 
 - reg: physical base address of the controller and length
 	of memory mapped region.
@@ -18,6 +19,9 @@ Required properties:
 - rockchip,grf: phandle to the general register files syscon
 - rockchip,output: "rgb", "lvds" or "duallvds", This describes the output interface
 
+- phys: LVDS/DSI DPHY (px30 only)
+- phy-names: name of the PHY, must be "dphy" (px30 only)
+
 Optional properties:
 - pinctrl-names: must contain a "lcdc" entry.
 - pinctrl-0: pin control group to be used for this controller.

Documentation/devicetree/bindings/vendor-prefixes.yaml

@@ -513,6 +513,8 @@ patternProperties:
     description: Lantiq Semiconductor
   "^lattice,.*":
     description: Lattice Semiconductor
+  "^leadtek,.*":
+    description: Shenzhen Leadtek Technology Co., Ltd.
   "^leez,.*":
     description: Leez
   "^lego,.*":
@@ -1056,6 +1058,8 @@ patternProperties:
     description: Extreme Engineering Solutions (X-ES)
   "^xillybus,.*":
     description: Xillybus Ltd.
+  "^xinpeng,.*":
+    description: Shenzhen Xinpeng Technology Co., Ltd
   "^xlnx,.*":
     description: Xilinx
   "^xunlong,.*":

Documentation/fb/fbcon.rst

@@ -127,7 +127,7 @@ C. Boot options
 	is typically located on the same video card.  Thus, the consoles that
 	are controlled by the VGA console will be garbled.
 
-4. fbcon=rotate:<n>
+5. fbcon=rotate:<n>
 
 	This option changes the orientation angle of the console display. The
 	value 'n' accepts the following:
@@ -152,21 +152,21 @@ C. Boot options
 	Actually, the underlying fb driver is totally ignorant of console
 	rotation.
 
-5. fbcon=margin:<color>
+6. fbcon=margin:<color>
 
 	This option specifies the color of the margins. The margins are the
 	leftover area at the right and the bottom of the screen that are not
 	used by text. By default, this area will be black. The 'color' value
 	is an integer number that depends on the framebuffer driver being used.
 
-6. fbcon=nodefer
+7. fbcon=nodefer
 
 	If the kernel is compiled with deferred fbcon takeover support, normally
 	the framebuffer contents, left in place by the firmware/bootloader, will
 	be preserved until there actually is some text is output to the console.
 	This option causes fbcon to bind immediately to the fbdev device.
 
-7. fbcon=logo-pos:<location>
+8. fbcon=logo-pos:<location>
 
 	The only possible 'location' is 'center' (without quotes), and when
 	given, the bootup logo is moved from the default top-left corner
@@ -174,6 +174,11 @@ C. Boot options
 	displayed due to multiple CPUs, the collected line of logos is moved
 	as a whole.
 
+9. fbcon=logo-count:<n>
+
+	The value 'n' overrides the number of bootup logos. 0 disables the
+	logo, and -1 gives the default which is the number of online CPUs.
+
 C. Attaching, Detaching and Unloading
 
 Before going on to how to attach, detach and unload the framebuffer console, an

drivers/gpu/drm/ast/ast_mode.c

@@ -1144,8 +1144,7 @@ static int ast_cursor_init(struct drm_device *dev)
 	size = roundup(AST_HWC_SIZE + AST_HWC_SIGNATURE_SIZE, PAGE_SIZE);
 
 	for (i = 0; i < ARRAY_SIZE(ast->cursor.gbo); ++i) {
-		gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev,
-					  size, 0, false);
+		gbo = drm_gem_vram_create(dev, size, 0);
 		if (IS_ERR(gbo)) {
 			ret = PTR_ERR(gbo);
 			goto err_drm_gem_vram_put;

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c

@@ -73,7 +73,11 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
 	unsigned long prate;
 	unsigned int mask = ATMEL_HLCDC_CLKDIV_MASK | ATMEL_HLCDC_CLKPOL;
 	unsigned int cfg = 0;
-	int div;
+	int div, ret;
+
+	ret = clk_prepare_enable(crtc->dc->hlcdc->sys_clk);
+	if (ret)
+		return;
 
 	vm.vfront_porch = adj->crtc_vsync_start - adj->crtc_vdisplay;
 	vm.vback_porch = adj->crtc_vtotal - adj->crtc_vsync_end;
@@ -95,14 +99,14 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
 		     (adj->crtc_hdisplay - 1) |
 		     ((adj->crtc_vdisplay - 1) << 16));
 
+	prate = clk_get_rate(crtc->dc->hlcdc->sys_clk);
+	mode_rate = adj->crtc_clock * 1000;
 	if (!crtc->dc->desc->fixed_clksrc) {
+		prate *= 2;
 		cfg |= ATMEL_HLCDC_CLKSEL;
 		mask |= ATMEL_HLCDC_CLKSEL;
 	}
 
-	prate = 2 * clk_get_rate(crtc->dc->hlcdc->sys_clk);
-	mode_rate = adj->crtc_clock * 1000;
-
 	div = DIV_ROUND_UP(prate, mode_rate);
 	if (div < 2) {
 		div = 2;
@@ -117,8 +121,8 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
 		int div_low = prate / mode_rate;
 
 		if (div_low >= 2 &&
-		    ((prate / div_low - mode_rate) <
-		     10 * (mode_rate - prate / div)))
+		    (10 * (prate / div_low - mode_rate) <
+		     (mode_rate - prate / div)))
 			/*
 			 * At least 10 times better when using a higher
 			 * frequency than requested, instead of a lower.
@@ -147,6 +151,8 @@ static void atmel_hlcdc_crtc_mode_set_nofb(struct drm_crtc *c)
 			   ATMEL_HLCDC_VSPSU | ATMEL_HLCDC_VSPHO |
 			   ATMEL_HLCDC_GUARDTIME_MASK | ATMEL_HLCDC_MODE_MASK,
 			   cfg);
+
+	clk_disable_unprepare(crtc->dc->hlcdc->sys_clk);
 }
 
 static enum drm_mode_status

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c

@@ -721,18 +721,10 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev)
 	dc->hlcdc = dev_get_drvdata(dev->dev->parent);
 	dev->dev_private = dc;
 
-	if (dc->desc->fixed_clksrc) {
-		ret = clk_prepare_enable(dc->hlcdc->sys_clk);
-		if (ret) {
-			dev_err(dev->dev, "failed to enable sys_clk\n");
-			goto err_destroy_wq;
-		}
-	}
-
 	ret = clk_prepare_enable(dc->hlcdc->periph_clk);
 	if (ret) {
 		dev_err(dev->dev, "failed to enable periph_clk\n");
-		goto err_sys_clk_disable;
+		goto err_destroy_wq;
 	}
 
 	pm_runtime_enable(dev->dev);
@@ -768,9 +760,6 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev)
 err_periph_clk_disable:
 	pm_runtime_disable(dev->dev);
 	clk_disable_unprepare(dc->hlcdc->periph_clk);
-err_sys_clk_disable:
-	if (dc->desc->fixed_clksrc)
-		clk_disable_unprepare(dc->hlcdc->sys_clk);
 
 err_destroy_wq:
 	destroy_workqueue(dc->wq);
@@ -795,8 +784,6 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev)
 
 	pm_runtime_disable(dev->dev);
 	clk_disable_unprepare(dc->hlcdc->periph_clk);
-	if (dc->desc->fixed_clksrc)
-		clk_disable_unprepare(dc->hlcdc->sys_clk);
 	destroy_workqueue(dc->wq);
 }
 
@@ -910,8 +897,6 @@ static int atmel_hlcdc_dc_drm_suspend(struct device *dev)
 	regmap_read(regmap, ATMEL_HLCDC_IMR, &dc->suspend.imr);
 	regmap_write(regmap, ATMEL_HLCDC_IDR, dc->suspend.imr);
 	clk_disable_unprepare(dc->hlcdc->periph_clk);
-	if (dc->desc->fixed_clksrc)
-		clk_disable_unprepare(dc->hlcdc->sys_clk);
 
 	return 0;
 }
@@ -921,8 +906,6 @@ static int atmel_hlcdc_dc_drm_resume(struct device *dev)
 	struct drm_device *drm_dev = dev_get_drvdata(dev);
 	struct atmel_hlcdc_dc *dc = drm_dev->dev_private;
 
-	if (dc->desc->fixed_clksrc)
-		clk_prepare_enable(dc->hlcdc->sys_clk);
 	clk_prepare_enable(dc->hlcdc->periph_clk);
 	regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IER, dc->suspend.imr);
 

drivers/gpu/drm/bridge/analogix/analogix_dp_core.c

@@ -1289,19 +1289,21 @@ struct drm_crtc *analogix_dp_get_new_crtc(struct analogix_dp_device *dp,
 	return conn_state->crtc;
 }
 
-static void analogix_dp_bridge_atomic_pre_enable(struct drm_bridge *bridge,
-						 struct drm_atomic_state *state)
+static void
+analogix_dp_bridge_atomic_pre_enable(struct drm_bridge *bridge,
+				     struct drm_bridge_state *old_bridge_state)
 {
+	struct drm_atomic_state *old_state = old_bridge_state->base.state;
 	struct analogix_dp_device *dp = bridge->driver_private;
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *old_crtc_state;
 	int ret;
 
-	crtc = analogix_dp_get_new_crtc(dp, state);
+	crtc = analogix_dp_get_new_crtc(dp, old_state);
 	if (!crtc)
 		return;
 
-	old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc);
+	old_crtc_state = drm_atomic_get_old_crtc_state(old_state, crtc);
 	/* Don't touch the panel if we're coming back from PSR */
 	if (old_crtc_state && old_crtc_state->self_refresh_active)
 		return;
@@ -1366,20 +1368,22 @@ static int analogix_dp_set_bridge(struct analogix_dp_device *dp)
 	return ret;
 }
 
-static void analogix_dp_bridge_atomic_enable(struct drm_bridge *bridge,
-					     struct drm_atomic_state *state)
+static void
+analogix_dp_bridge_atomic_enable(struct drm_bridge *bridge,
+				 struct drm_bridge_state *old_bridge_state)
 {
+	struct drm_atomic_state *old_state = old_bridge_state->base.state;
 	struct analogix_dp_device *dp = bridge->driver_private;
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *old_crtc_state;
 	int timeout_loop = 0;
 	int ret;
 
-	crtc = analogix_dp_get_new_crtc(dp, state);
+	crtc = analogix_dp_get_new_crtc(dp, old_state);
 	if (!crtc)
 		return;
 
-	old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc);
+	old_crtc_state = drm_atomic_get_old_crtc_state(old_state, crtc);
 	/* Not a full enable, just disable PSR and continue */
 	if (old_crtc_state && old_crtc_state->self_refresh_active) {
 		ret = analogix_dp_disable_psr(dp);
@@ -1440,18 +1444,20 @@ static void analogix_dp_bridge_disable(struct drm_bridge *bridge)
 	dp->dpms_mode = DRM_MODE_DPMS_OFF;
 }
 
-static void analogix_dp_bridge_atomic_disable(struct drm_bridge *bridge,
-					      struct drm_atomic_state *state)
+static void
+analogix_dp_bridge_atomic_disable(struct drm_bridge *bridge,
+				  struct drm_bridge_state *old_bridge_state)
 {
+	struct drm_atomic_state *old_state = old_bridge_state->base.state;
 	struct analogix_dp_device *dp = bridge->driver_private;
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *new_crtc_state = NULL;
 
-	crtc = analogix_dp_get_new_crtc(dp, state);
+	crtc = analogix_dp_get_new_crtc(dp, old_state);
 	if (!crtc)
 		goto out;
 
-	new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+	new_crtc_state = drm_atomic_get_new_crtc_state(old_state, crtc);
 	if (!new_crtc_state)
 		goto out;
 
@@ -1463,20 +1469,21 @@ static void analogix_dp_bridge_atomic_disable(struct drm_bridge *bridge,
 	analogix_dp_bridge_disable(bridge);
 }
 
-static
-void analogix_dp_bridge_atomic_post_disable(struct drm_bridge *bridge,
-					    struct drm_atomic_state *state)
+static void
+analogix_dp_bridge_atomic_post_disable(struct drm_bridge *bridge,
+				struct drm_bridge_state *old_bridge_state)
 {
+	struct drm_atomic_state *old_state = old_bridge_state->base.state;
 	struct analogix_dp_device *dp = bridge->driver_private;
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *new_crtc_state;
 	int ret;
 
-	crtc = analogix_dp_get_new_crtc(dp, state);
+	crtc = analogix_dp_get_new_crtc(dp, old_state);
 	if (!crtc)
 		return;
 
-	new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+	new_crtc_state = drm_atomic_get_new_crtc_state(old_state, crtc);
 	if (!new_crtc_state || !new_crtc_state->self_refresh_active)
 		return;
 

drivers/gpu/drm/bridge/cdns-dsi.c

@@ -512,7 +512,7 @@ static int cdns_dsi_mode2cfg(struct cdns_dsi *dsi,
 	struct cdns_dsi_output *output = &dsi->output;
 	unsigned int tmp;
 	bool sync_pulse = false;
-	int bpp, nlanes;
+	int bpp;
 
 	memset(dsi_cfg, 0, sizeof(*dsi_cfg));
 
@@ -520,7 +520,6 @@ static int cdns_dsi_mode2cfg(struct cdns_dsi *dsi,
 		sync_pulse = true;
 
 	bpp = mipi_dsi_pixel_format_to_bpp(output->dev->format);
-	nlanes = output->dev->lanes;
 
 	if (mode_valid_check)
 		tmp = mode->htotal -
@@ -785,13 +784,12 @@ static void cdns_dsi_bridge_enable(struct drm_bridge *bridge)
 	unsigned long tx_byte_period;
 	struct cdns_dsi_cfg dsi_cfg;
 	u32 tmp, reg_wakeup, div;
-	int bpp, nlanes;
+	int nlanes;
 
 	if (WARN_ON(pm_runtime_get_sync(dsi->base.dev) < 0))
 		return;
 
 	mode = &bridge->encoder->crtc->state->adjusted_mode;
-	bpp = mipi_dsi_pixel_format_to_bpp(output->dev->format);
 	nlanes = output->dev->lanes;
 
 	WARN_ON_ONCE(cdns_dsi_check_conf(dsi, mode, &dsi_cfg, false));

drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c

@@ -291,7 +291,7 @@ static irqreturn_t snd_dw_hdmi_irq(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-static struct snd_pcm_hardware dw_hdmi_hw = {
+static const struct snd_pcm_hardware dw_hdmi_hw = {
 	.info = SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		SNDRV_PCM_INFO_MMAP |

drivers/gpu/drm/drm_atomic.c

@@ -30,6 +30,7 @@
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_uapi.h>
+#include <drm/drm_bridge.h>
 #include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
 #include <drm/drm_drv.h>
@@ -1017,6 +1018,44 @@ static void drm_atomic_connector_print_state(struct drm_printer *p,
 		connector->funcs->atomic_print_state(p, state);
 }
 
+/**
+ * drm_atomic_add_encoder_bridges - add bridges attached to an encoder
+ * @state: atomic state
+ * @encoder: DRM encoder
+ *
+ * This function adds all bridges attached to @encoder. This is needed to add
+ * bridge states to @state and make them available when
+ * &bridge_funcs.atomic_{check,pre_enable,enable,disable_post_disable}() are
+ * called
+ *
+ * Returns:
+ * 0 on success or can fail with -EDEADLK or -ENOMEM. When the error is EDEADLK
+ * then the w/w mutex code has detected a deadlock and the entire atomic
+ * sequence must be restarted. All other errors are fatal.
+ */
+int
+drm_atomic_add_encoder_bridges(struct drm_atomic_state *state,
+			       struct drm_encoder *encoder)
+{
+	struct drm_bridge_state *bridge_state;
+	struct drm_bridge *bridge;
+
+	if (!encoder)
+		return 0;
+
+	DRM_DEBUG_ATOMIC("Adding all bridges for [encoder:%d:%s] to %p\n",
+			 encoder->base.id, encoder->name, state);
+
+	drm_for_each_bridge_in_chain(encoder, bridge) {
+		bridge_state = drm_atomic_get_bridge_state(state, bridge);
+		if (IS_ERR(bridge_state))
+			return PTR_ERR(bridge_state);
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_atomic_add_encoder_bridges);
+
 /**
  * drm_atomic_add_affected_connectors - add connectors for CRTC
  * @state: atomic state

drivers/gpu/drm/drm_atomic_helper.c

@@ -437,12 +437,12 @@ mode_fixup(struct drm_atomic_state *state)
 		funcs = encoder->helper_private;
 
 		bridge = drm_bridge_chain_get_first_bridge(encoder);
-		ret = drm_bridge_chain_mode_fixup(bridge,
-					&new_crtc_state->mode,
-					&new_crtc_state->adjusted_mode);
-		if (!ret) {
-			DRM_DEBUG_ATOMIC("Bridge fixup failed\n");
-			return -EINVAL;
+		ret = drm_atomic_bridge_chain_check(bridge,
+						    new_crtc_state,
+						    new_conn_state);
+		if (ret) {
+			DRM_DEBUG_ATOMIC("Bridge atomic check failed\n");
+			return ret;
 		}
 
 		if (funcs && funcs->atomic_check) {
@@ -730,6 +730,26 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
 			return ret;
 	}
 
+	/*
+	 * Iterate over all connectors again, and add all affected bridges to
+	 * the state.
+	 */
+	for_each_oldnew_connector_in_state(state, connector,
+					   old_connector_state,
+					   new_connector_state, i) {
+		struct drm_encoder *encoder;
+
+		encoder = old_connector_state->best_encoder;
+		ret = drm_atomic_add_encoder_bridges(state, encoder);
+		if (ret)
+			return ret;
+
+		encoder = new_connector_state->best_encoder;
+		ret = drm_atomic_add_encoder_bridges(state, encoder);
+		if (ret)
+			return ret;
+	}
+
 	ret = mode_valid(state);
 	if (ret)
 		return ret;

drivers/gpu/drm/drm_gem_vram_helper.c

@@ -2,6 +2,7 @@
 
 #include <drm/drm_debugfs.h>
 #include <drm/drm_device.h>
+#include <drm/drm_drv.h>
 #include <drm/drm_file.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_ttm_helper.h>
@@ -92,14 +93,18 @@ static void drm_gem_vram_placement(struct drm_gem_vram_object *gbo,
 }
 
 static int drm_gem_vram_init(struct drm_device *dev,
-			     struct ttm_bo_device *bdev,
 			     struct drm_gem_vram_object *gbo,
-			     size_t size, unsigned long pg_align,
-			     bool interruptible)
+			     size_t size, unsigned long pg_align)
 {
+	struct drm_vram_mm *vmm = dev->vram_mm;
+	struct ttm_bo_device *bdev;
 	int ret;
 	size_t acc_size;
 
+	if (WARN_ONCE(!vmm, "VRAM MM not initialized"))
+		return -EINVAL;
+	bdev = &vmm->bdev;
+
 	gbo->bo.base.funcs = &drm_gem_vram_object_funcs;
 
 	ret = drm_gem_object_init(dev, &gbo->bo.base, size);
@@ -112,7 +117,7 @@ static int drm_gem_vram_init(struct drm_device *dev,
 	drm_gem_vram_placement(gbo, TTM_PL_FLAG_VRAM | TTM_PL_FLAG_SYSTEM);
 
 	ret = ttm_bo_init(bdev, &gbo->bo, size, ttm_bo_type_device,
-			  &gbo->placement, pg_align, interruptible, acc_size,
+			  &gbo->placement, pg_align, false, acc_size,
 			  NULL, NULL, ttm_buffer_object_destroy);
 	if (ret)
 		goto err_drm_gem_object_release;
@@ -127,29 +132,33 @@ static int drm_gem_vram_init(struct drm_device *dev,
 /**
  * drm_gem_vram_create() - Creates a VRAM-backed GEM object
  * @dev:		the DRM device
- * @bdev:		the TTM BO device backing the object
  * @size:		the buffer size in bytes
  * @pg_align:		the buffer's alignment in multiples of the page size
- * @interruptible:	sleep interruptible if waiting for memory
  *
  * Returns:
  * A new instance of &struct drm_gem_vram_object on success, or
  * an ERR_PTR()-encoded error code otherwise.
  */
 struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
-						struct ttm_bo_device *bdev,
 						size_t size,
-						unsigned long pg_align,
-						bool interruptible)
+						unsigned long pg_align)
 {
 	struct drm_gem_vram_object *gbo;
 	int ret;
 
+	if (dev->driver->gem_create_object) {
+		struct drm_gem_object *gem =
+			dev->driver->gem_create_object(dev, size);
+		if (!gem)
+			return ERR_PTR(-ENOMEM);
+		gbo = drm_gem_vram_of_gem(gem);
+	} else {
 		gbo = kzalloc(sizeof(*gbo), GFP_KERNEL);
 		if (!gbo)
 			return ERR_PTR(-ENOMEM);
+	}
 
-	ret = drm_gem_vram_init(dev, bdev, gbo, size, pg_align, interruptible);
+	ret = drm_gem_vram_init(dev, gbo, size, pg_align);
 	if (ret < 0)
 		goto err_kfree;
 
@@ -483,9 +492,8 @@ EXPORT_SYMBOL(drm_gem_vram_vunmap);
 	Helper for implementing &struct drm_driver.dumb_create
  * @file:		the DRM file
  * @dev:		the DRM device
- * @bdev:		the TTM BO device managing the buffer object
  * @pg_align:		the buffer's alignment in multiples of the page size
- * @interruptible:	sleep interruptible if waiting for memory
+ * @pitch_align:	the scanline's alignment in powers of 2
  * @args:		the arguments as provided to \
 				&struct drm_driver.dumb_create
  *
@@ -500,9 +508,8 @@ EXPORT_SYMBOL(drm_gem_vram_vunmap);
  */
 int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 				  struct drm_device *dev,
-				  struct ttm_bo_device *bdev,
 				  unsigned long pg_align,
-				  bool interruptible,
+				  unsigned long pitch_align,
 				  struct drm_mode_create_dumb *args)
 {
 	size_t pitch, size;
@@ -510,14 +517,19 @@ int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 	int ret;
 	u32 handle;
 
-	pitch = args->width * ((args->bpp + 7) / 8);
+	pitch = args->width * DIV_ROUND_UP(args->bpp, 8);
+	if (pitch_align) {
+		if (WARN_ON_ONCE(!is_power_of_2(pitch_align)))
+			return -EINVAL;
+		pitch = ALIGN(pitch, pitch_align);
+	}
 	size = pitch * args->height;
 
 	size = roundup(size, PAGE_SIZE);
 	if (!size)
 		return -EINVAL;
 
-	gbo = drm_gem_vram_create(dev, bdev, size, pg_align, interruptible);
+	gbo = drm_gem_vram_create(dev, size, pg_align);
 	if (IS_ERR(gbo))
 		return PTR_ERR(gbo);
 
@@ -612,8 +624,7 @@ int drm_gem_vram_driver_dumb_create(struct drm_file *file,
 	if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized"))
 		return -EINVAL;
 
-	return drm_gem_vram_fill_create_dumb(file, dev, &dev->vram_mm->bdev, 0,
-					     false, args);
+	return drm_gem_vram_fill_create_dumb(file, dev, 0, 0, args);
 }
 EXPORT_SYMBOL(drm_gem_vram_driver_dumb_create);
 

drivers/gpu/drm/drm_mipi_dbi.c

@@ -367,9 +367,9 @@ static void mipi_dbi_blank(struct mipi_dbi_dev *dbidev)
 	memset(dbidev->tx_buf, 0, len);
 
 	mipi_dbi_command(dbi, MIPI_DCS_SET_COLUMN_ADDRESS, 0, 0,
-			 (width >> 8) & 0xFF, (width - 1) & 0xFF);
+			 ((width - 1) >> 8) & 0xFF, (width - 1) & 0xFF);
 	mipi_dbi_command(dbi, MIPI_DCS_SET_PAGE_ADDRESS, 0, 0,
-			 (height >> 8) & 0xFF, (height - 1) & 0xFF);
+			 ((height - 1) >> 8) & 0xFF, (height - 1) & 0xFF);
 	mipi_dbi_command_buf(dbi, MIPI_DCS_WRITE_MEMORY_START,
 			     (u8 *)dbidev->tx_buf, len);
 

drivers/gpu/drm/hisilicon/hibmc/Makefile

 # SPDX-License-Identifier: GPL-2.0-only
-hibmc-drm-y := hibmc_drm_drv.o hibmc_drm_de.o hibmc_drm_vdac.o hibmc_drm_fbdev.o hibmc_ttm.o
+hibmc-drm-y := hibmc_drm_drv.o hibmc_drm_de.o hibmc_drm_vdac.o hibmc_ttm.o
 
 obj-$(CONFIG_DRM_HISI_HIBMC) += hibmc-drm.o

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c

@@ -99,14 +99,12 @@ static void hibmc_plane_atomic_update(struct drm_plane *plane,
 	s64 gpu_addr = 0;
 	unsigned int line_l;
 	struct hibmc_drm_private *priv = plane->dev->dev_private;
-	struct hibmc_framebuffer *hibmc_fb;
 	struct drm_gem_vram_object *gbo;
 
 	if (!state->fb)
 		return;
 
-	hibmc_fb = to_hibmc_framebuffer(state->fb);
-	gbo = drm_gem_vram_of_gem(hibmc_fb->obj);
+	gbo = drm_gem_vram_of_gem(state->fb->obj[0]);
 
 	gpu_addr = drm_gem_vram_offset(gbo);
 	if (WARN_ON_ONCE(gpu_addr < 0))

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c

@@ -17,6 +17,7 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_drv.h>
+#include <drm/drm_fb_helper.h>
 #include <drm/drm_gem_vram_helper.h>
 #include <drm/drm_irq.h>
 #include <drm/drm_print.h>
@@ -54,6 +55,7 @@ static struct drm_driver hibmc_driver = {
 	.desc			= "hibmc drm driver",
 	.major			= 1,
 	.minor			= 0,
+	.debugfs_init		= drm_vram_mm_debugfs_init,
 	.dumb_create            = hibmc_dumb_create,
 	.dumb_map_offset        = drm_gem_vram_driver_dumb_mmap_offset,
 	.gem_prime_mmap		= drm_gem_prime_mmap,
@@ -247,8 +249,6 @@ static int hibmc_unload(struct drm_device *dev)
 {
 	struct hibmc_drm_private *priv = dev->dev_private;
 
-	hibmc_fbdev_fini(priv);
-
 	drm_atomic_helper_shutdown(dev);
 
 	if (dev->irq_enabled)
@@ -307,7 +307,7 @@ static int hibmc_load(struct drm_device *dev)
 	/* reset all the states of crtc/plane/encoder/connector */
 	drm_mode_config_reset(dev);
 
-	ret = hibmc_fbdev_init(priv);
+	ret = drm_fbdev_generic_setup(dev, 16);
 	if (ret) {
 		DRM_ERROR("failed to initialize fbdev: %d\n", ret);
 		goto err;

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h

@@ -18,18 +18,6 @@
 #include <drm/drm_framebuffer.h>
 
 struct drm_device;
-struct drm_gem_object;
-
-struct hibmc_framebuffer {
-	struct drm_framebuffer fb;
-	struct drm_gem_object *obj;
-};
-
-struct hibmc_fbdev {
-	struct drm_fb_helper helper; /* must be first */
-	struct hibmc_framebuffer *fb;
-	int size;
-};
 
 struct hibmc_drm_private {
 	/* hw */
@@ -42,13 +30,8 @@ struct hibmc_drm_private {
 	/* drm */
 	struct drm_device  *dev;
 	bool mode_config_initialized;
-
-	/* fbdev */
-	struct hibmc_fbdev *fbdev;
 };
 
-#define to_hibmc_framebuffer(x) container_of(x, struct hibmc_framebuffer, fb)
-
 void hibmc_set_power_mode(struct hibmc_drm_private *priv,
 			  unsigned int power_mode);
 void hibmc_set_current_gate(struct hibmc_drm_private *priv,
@@ -56,15 +39,6 @@ void hibmc_set_current_gate(struct hibmc_drm_private *priv,
 
 int hibmc_de_init(struct hibmc_drm_private *priv);
 int hibmc_vdac_init(struct hibmc_drm_private *priv);
-int hibmc_fbdev_init(struct hibmc_drm_private *priv);
-void hibmc_fbdev_fini(struct hibmc_drm_private *priv);
-
-int hibmc_gem_create(struct drm_device *dev, u32 size, bool iskernel,
-		     struct drm_gem_object **obj);
-struct hibmc_framebuffer *
-hibmc_framebuffer_init(struct drm_device *dev,
-		       const struct drm_mode_fb_cmd2 *mode_cmd,
-		       struct drm_gem_object *obj);
 
 int hibmc_mm_init(struct hibmc_drm_private *hibmc);
 void hibmc_mm_fini(struct hibmc_drm_private *hibmc);

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_fbdev.c

-// SPDX-License-Identifier: GPL-2.0-or-later
-/* Hisilicon Hibmc SoC drm driver
- *
- * Based on the bochs drm driver.
- *
- * Copyright (c) 2016 Huawei Limited.
- *
- * Author:
- *	Rongrong Zou <zourongrong@huawei.com>
- *	Rongrong Zou <zourongrong@gmail.com>
- *	Jianhua Li <lijianhua@huawei.com>
- */
-
-#include <drm/drm_crtc.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_fourcc.h>
-#include <drm/drm_gem_vram_helper.h>
-#include <drm/drm_probe_helper.h>
-
-#include "hibmc_drm_drv.h"
-
-static int hibmcfb_create_object(
-				struct hibmc_drm_private *priv,
-				const struct drm_mode_fb_cmd2 *mode_cmd,
-				struct drm_gem_object **gobj_p)
-{
-	struct drm_gem_object *gobj;
-	struct drm_device *dev = priv->dev;
-	u32 size;
-	int ret = 0;
-
-	size = mode_cmd->pitches[0] * mode_cmd->height;
-	ret = hibmc_gem_create(dev, size, true, &gobj);
-	if (ret)
-		return ret;
-
-	*gobj_p = gobj;
-	return ret;
-}
-
-static const struct fb_ops hibmc_drm_fb_ops = {
-	.owner = THIS_MODULE,
-	.fb_check_var = drm_fb_helper_check_var,
-	.fb_set_par = drm_fb_helper_set_par,
-	.fb_fillrect = drm_fb_helper_sys_fillrect,
-	.fb_copyarea = drm_fb_helper_sys_copyarea,
-	.fb_imageblit = drm_fb_helper_sys_imageblit,
-	.fb_pan_display = drm_fb_helper_pan_display,
-	.fb_blank = drm_fb_helper_blank,
-	.fb_setcmap = drm_fb_helper_setcmap,
-};
-
-static int hibmc_drm_fb_create(struct drm_fb_helper *helper,
-			       struct drm_fb_helper_surface_size *sizes)
-{
-	struct hibmc_fbdev *hi_fbdev =
-		container_of(helper, struct hibmc_fbdev, helper);
-	struct hibmc_drm_private *priv = helper->dev->dev_private;
-	struct fb_info *info;
-	struct drm_mode_fb_cmd2 mode_cmd;
-	struct drm_gem_object *gobj = NULL;
-	int ret = 0;
-	size_t size;
-	unsigned int bytes_per_pixel;
-	struct drm_gem_vram_object *gbo = NULL;
-	void *base;
-
-	DRM_DEBUG_DRIVER("surface width(%d), height(%d) and bpp(%d)\n",
-			 sizes->surface_width, sizes->surface_height,
-			 sizes->surface_bpp);
-
-	bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8);
-
-	mode_cmd.width = sizes->surface_width;
-	mode_cmd.height = sizes->surface_height;
-	mode_cmd.pitches[0] = mode_cmd.width * bytes_per_pixel;
-	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
-							  sizes->surface_depth);
-
-	size = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height);
-
-	ret = hibmcfb_create_object(priv, &mode_cmd, &gobj);
-	if (ret) {
-		DRM_ERROR("failed to create fbcon backing object: %d\n", ret);
-		return -ENOMEM;
-	}
-
-	gbo = drm_gem_vram_of_gem(gobj);
-
-	ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM);
-	if (ret) {
-		DRM_ERROR("failed to pin fbcon: %d\n", ret);
-		goto out_unref_gem;
-	}
-
-	base = drm_gem_vram_kmap(gbo, true, NULL);
-	if (IS_ERR(base)) {
-		ret = PTR_ERR(base);
-		DRM_ERROR("failed to kmap fbcon: %d\n", ret);
-		goto out_unpin_bo;
-	}
-
-	info = drm_fb_helper_alloc_fbi(helper);
-	if (IS_ERR(info)) {
-		ret = PTR_ERR(info);
-		DRM_ERROR("failed to allocate fbi: %d\n", ret);
-		goto out_release_fbi;
-	}
-
-	hi_fbdev->fb = hibmc_framebuffer_init(priv->dev, &mode_cmd, gobj);
-	if (IS_ERR(hi_fbdev->fb)) {
-		ret = PTR_ERR(hi_fbdev->fb);
-		hi_fbdev->fb = NULL;
-		DRM_ERROR("failed to initialize framebuffer: %d\n", ret);
-		goto out_release_fbi;
-	}
-
-	priv->fbdev->size = size;
-	hi_fbdev->helper.fb = &hi_fbdev->fb->fb;
-
-	info->fbops = &hibmc_drm_fb_ops;
-
-	drm_fb_helper_fill_info(info, &priv->fbdev->helper, sizes);
-
-	info->screen_base = base;
-	info->screen_size = size;
-
-	info->fix.smem_start = gbo->bo.mem.bus.offset + gbo->bo.mem.bus.base;
-	info->fix.smem_len = size;
-	return 0;
-
-out_release_fbi:
-	drm_gem_vram_kunmap(gbo);
-out_unpin_bo:
-	drm_gem_vram_unpin(gbo);
-out_unref_gem:
-	drm_gem_object_put_unlocked(gobj);
-
-	return ret;
-}
-
-static void hibmc_fbdev_destroy(struct hibmc_fbdev *fbdev)
-{
-	struct hibmc_framebuffer *gfb = fbdev->fb;
-	struct drm_fb_helper *fbh = &fbdev->helper;
-
-	drm_fb_helper_unregister_fbi(fbh);
-
-	drm_fb_helper_fini(fbh);
-
-	if (gfb)
-		drm_framebuffer_put(&gfb->fb);
-}
-
-static const struct drm_fb_helper_funcs hibmc_fbdev_helper_funcs = {
-	.fb_probe = hibmc_drm_fb_create,
-};
-
-int hibmc_fbdev_init(struct hibmc_drm_private *priv)
-{
-	int ret;
-	struct fb_var_screeninfo *var;
-	struct fb_fix_screeninfo *fix;
-	struct hibmc_fbdev *hifbdev;
-
-	hifbdev = devm_kzalloc(priv->dev->dev, sizeof(*hifbdev), GFP_KERNEL);
-	if (!hifbdev) {
-		DRM_ERROR("failed to allocate hibmc_fbdev\n");
-		return -ENOMEM;
-	}
-
-	priv->fbdev = hifbdev;
-	drm_fb_helper_prepare(priv->dev, &hifbdev->helper,
-			      &hibmc_fbdev_helper_funcs);
-
-	/* Now just one crtc and one channel */
-	ret = drm_fb_helper_init(priv->dev, &hifbdev->helper, 1);
-	if (ret) {
-		DRM_ERROR("failed to initialize fb helper: %d\n", ret);
-		return ret;
-	}
-
-	ret = drm_fb_helper_single_add_all_connectors(&hifbdev->helper);
-	if (ret) {
-		DRM_ERROR("failed to add all connectors: %d\n", ret);
-		goto fini;
-	}
-
-	ret = drm_fb_helper_initial_config(&hifbdev->helper, 16);
-	if (ret) {
-		DRM_ERROR("failed to setup initial conn config: %d\n", ret);
-		goto fini;
-	}
-
-	var = &hifbdev->helper.fbdev->var;
-	fix = &hifbdev->helper.fbdev->fix;
-
-	DRM_DEBUG_DRIVER("Member of info->var is :\n"
-			 "xres=%d\n"
-			 "yres=%d\n"
-			 "xres_virtual=%d\n"
-			 "yres_virtual=%d\n"
-			 "xoffset=%d\n"
-			 "yoffset=%d\n"
-			 "bits_per_pixel=%d\n"
-			 "...\n", var->xres, var->yres, var->xres_virtual,
-			 var->yres_virtual, var->xoffset, var->yoffset,
-			 var->bits_per_pixel);
-	DRM_DEBUG_DRIVER("Member of info->fix is :\n"
-			 "smem_start=%lx\n"
-			 "smem_len=%d\n"
-			 "type=%d\n"
-			 "type_aux=%d\n"
-			 "visual=%d\n"
-			 "xpanstep=%d\n"
-			 "ypanstep=%d\n"
-			 "ywrapstep=%d\n"
-			 "line_length=%d\n"
-			 "accel=%d\n"
-			 "capabilities=%d\n"
-			 "...\n", fix->smem_start, fix->smem_len, fix->type,
-			 fix->type_aux, fix->visual, fix->xpanstep,
-			 fix->ypanstep, fix->ywrapstep, fix->line_length,
-			 fix->accel, fix->capabilities);
-
-	return 0;
-
-fini:
-	drm_fb_helper_fini(&hifbdev->helper);
-	return ret;
-}
-
-void hibmc_fbdev_fini(struct hibmc_drm_private *priv)
-{
-	if (!priv->fbdev)
-		return;
-
-	hibmc_fbdev_destroy(priv->fbdev);
-	priv->fbdev = NULL;
-}

drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c

@@ -15,6 +15,7 @@
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_gem.h>
+#include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_gem_vram_helper.h>
 #include <drm/drm_print.h>
 
@@ -46,125 +47,14 @@ void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
 	drm_vram_helper_release_mm(hibmc->dev);
 }
 
-int hibmc_gem_create(struct drm_device *dev, u32 size, bool iskernel,
-		     struct drm_gem_object **obj)
-{
-	struct drm_gem_vram_object *gbo;
-	int ret;
-
-	*obj = NULL;
-
-	size = roundup(size, PAGE_SIZE);
-	if (size == 0)
-		return -EINVAL;
-
-	gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev, size, 0, false);
-	if (IS_ERR(gbo)) {
-		ret = PTR_ERR(gbo);
-		if (ret != -ERESTARTSYS)
-			DRM_ERROR("failed to allocate GEM object: %d\n", ret);
-		return ret;
-	}
-	*obj = &gbo->bo.base;
-	return 0;
-}
-
 int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
 		      struct drm_mode_create_dumb *args)
 {
-	struct drm_gem_object *gobj;
-	u32 handle;
-	int ret;
-
-	args->pitch = ALIGN(args->width * DIV_ROUND_UP(args->bpp, 8), 16);
-	args->size = args->pitch * args->height;
-
-	ret = hibmc_gem_create(dev, args->size, false,
-			       &gobj);
-	if (ret) {
-		DRM_ERROR("failed to create GEM object: %d\n", ret);
-		return ret;
-	}
-
-	ret = drm_gem_handle_create(file, gobj, &handle);
-	drm_gem_object_put_unlocked(gobj);
-	if (ret) {
-		DRM_ERROR("failed to unreference GEM object: %d\n", ret);
-		return ret;
-	}
-
-	args->handle = handle;
-	return 0;
-}
-
-static void hibmc_user_framebuffer_destroy(struct drm_framebuffer *fb)
-{
-	struct hibmc_framebuffer *hibmc_fb = to_hibmc_framebuffer(fb);
-
-	drm_gem_object_put_unlocked(hibmc_fb->obj);
-	drm_framebuffer_cleanup(fb);
-	kfree(hibmc_fb);
-}
-
-static const struct drm_framebuffer_funcs hibmc_fb_funcs = {
-	.destroy = hibmc_user_framebuffer_destroy,
-};
-
-struct hibmc_framebuffer *
-hibmc_framebuffer_init(struct drm_device *dev,
-		       const struct drm_mode_fb_cmd2 *mode_cmd,
-		       struct drm_gem_object *obj)
-{
-	struct hibmc_framebuffer *hibmc_fb;
-	int ret;
-
-	hibmc_fb = kzalloc(sizeof(*hibmc_fb), GFP_KERNEL);
-	if (!hibmc_fb) {
-		DRM_ERROR("failed to allocate hibmc_fb\n");
-		return ERR_PTR(-ENOMEM);
-	}
-
-	drm_helper_mode_fill_fb_struct(dev, &hibmc_fb->fb, mode_cmd);
-	hibmc_fb->obj = obj;
-	ret = drm_framebuffer_init(dev, &hibmc_fb->fb, &hibmc_fb_funcs);
-	if (ret) {
-		DRM_ERROR("drm_framebuffer_init failed: %d\n", ret);
-		kfree(hibmc_fb);
-		return ERR_PTR(ret);
-	}
-
-	return hibmc_fb;
-}
-
-static struct drm_framebuffer *
-hibmc_user_framebuffer_create(struct drm_device *dev,
-			      struct drm_file *filp,
-			      const struct drm_mode_fb_cmd2 *mode_cmd)
-{
-	struct drm_gem_object *obj;
-	struct hibmc_framebuffer *hibmc_fb;
-
-	DRM_DEBUG_DRIVER("%dx%d, format %c%c%c%c\n",
-			 mode_cmd->width, mode_cmd->height,
-			 (mode_cmd->pixel_format) & 0xff,
-			 (mode_cmd->pixel_format >> 8)  & 0xff,
-			 (mode_cmd->pixel_format >> 16) & 0xff,
-			 (mode_cmd->pixel_format >> 24) & 0xff);
-
-	obj = drm_gem_object_lookup(filp, mode_cmd->handles[0]);
-	if (!obj)
-		return ERR_PTR(-ENOENT);
-
-	hibmc_fb = hibmc_framebuffer_init(dev, mode_cmd, obj);
-	if (IS_ERR(hibmc_fb)) {
-		drm_gem_object_put_unlocked(obj);
-		return ERR_PTR((long)hibmc_fb);
-	}
-	return &hibmc_fb->fb;
+	return drm_gem_vram_fill_create_dumb(file, dev, 0, 16, args);
 }
 
 const struct drm_mode_config_funcs hibmc_mode_funcs = {
 	.atomic_check = drm_atomic_helper_check,
 	.atomic_commit = drm_atomic_helper_commit,
-	.fb_create = hibmc_user_framebuffer_create,
+	.fb_create = drm_gem_fb_create,
 };

drivers/gpu/drm/meson/meson_crtc.c

@@ -413,7 +413,7 @@ void meson_crtc_irq(struct meson_drm *priv)
 					    MESON_CANVAS_WRAP_NONE,
 					    MESON_CANVAS_BLKMODE_LINEAR,
 					    MESON_CANVAS_ENDIAN_SWAP64);
-		};
+		}
 
 		writel_relaxed(priv->viu.vd1_if0_gen_reg,
 				priv->io_base + meson_crtc->viu_offset +

drivers/gpu/drm/meson/meson_plane.c

@@ -237,7 +237,7 @@ static void meson_plane_atomic_update(struct drm_plane *plane,
 		/* For ARGB, use the pixel's alpha */
 		priv->viu.osd1_ctrl_stat2 &= ~OSD_REPLACE_EN;
 		break;
-	};
+	}
 
 	/* Default scaler parameters */
 	vsc_bot_rcv_num = 0;

drivers/gpu/drm/mgag200/mgag200_cursor.c

@@ -208,8 +208,7 @@ int mgag200_cursor_init(struct mga_device *mdev)
 		return -ENOMEM;
 
 	for (i = 0; i < ncursors; ++i) {
-		gbo = drm_gem_vram_create(dev, &dev->vram_mm->bdev,
-					  size, 0, false);
+		gbo = drm_gem_vram_create(dev, size, 0);
 		if (IS_ERR(gbo)) {
 			ret = PTR_ERR(gbo);
 			goto err_drm_gem_vram_put;

drivers/gpu/drm/mgag200/mgag200_drv.c

@@ -27,6 +27,10 @@ int mgag200_modeset = -1;
 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 module_param_named(modeset, mgag200_modeset, int, 0400);
 
+int mgag200_hw_bug_no_startadd = -1;
+MODULE_PARM_DESC(modeset, "HW does not interpret scanout-buffer start address correctly");
+module_param_named(hw_bug_no_startadd, mgag200_hw_bug_no_startadd, int, 0400);
+
 static struct drm_driver driver;
 
 static const struct pci_device_id pciidlist[] = {
@@ -97,6 +101,16 @@ DEFINE_DRM_GEM_FOPS(mgag200_driver_fops);
 
 static bool mgag200_pin_bo_at_0(const struct mga_device *mdev)
 {
+	if (mgag200_hw_bug_no_startadd > 0) {
+		DRM_WARN_ONCE("Option hw_bug_no_startradd is enabled. Please "
+			      "report the output of 'lspci -vvnn' to "
+			      "<dri-devel@lists.freedesktop.org> if this "
+			      "option is required to make mgag200 work "
+			      "correctly on your system.\n");
+		return true;
+	} else if (!mgag200_hw_bug_no_startadd) {
+		return false;
+	}
 	return mdev->flags & MGAG200_FLAG_HW_BUG_NO_STARTADD;
 }
 
@@ -120,8 +134,7 @@ int mgag200_driver_dumb_create(struct drm_file *file,
 	if (mgag200_pin_bo_at_0(mdev))
 		pg_align = PFN_UP(mdev->mc.vram_size);
 
-	return drm_gem_vram_fill_create_dumb(file, dev, &dev->vram_mm->bdev,
-					     pg_align, false, args);
+	return drm_gem_vram_fill_create_dumb(file, dev, pg_align, 0, args);
 }
 
 static struct drm_driver driver = {

drivers/gpu/drm/panel/Kconfig

@@ -109,6 +109,17 @@ config DRM_PANEL_KINGDISPLAY_KD097D04
 	  24 bit RGB per pixel. It provides a MIPI DSI interface to
 	  the host and has a built-in LED backlight.
 
+config DRM_PANEL_LEADTEK_LTK500HD1829
+	tristate "Leadtek LTK500HD1829 panel"
+	depends on OF
+	depends on DRM_MIPI_DSI
+	depends on BACKLIGHT_CLASS_DEVICE
+	help
+	  Say Y here if you want to enable support for Kingdisplay kd097d04
+	  TFT-LCD modules. The panel has a 1536x2048 resolution and uses
+	  24 bit RGB per pixel. It provides a MIPI DSI interface to
+	  the host and has a built-in LED backlight.
+
 config DRM_PANEL_SAMSUNG_LD9040
 	tristate "Samsung LD9040 RGB/SPI panel"
 	depends on OF && SPI
@@ -366,4 +377,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
 	help
 	  Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
 	  Video Mode panel
+
+config DRM_PANEL_XINPENG_XPP055C272
+	tristate "Xinpeng XPP055C272 panel driver"
+	depends on OF
+	depends on DRM_MIPI_DSI
+	depends on BACKLIGHT_CLASS_DEVICE
+	help
+	  Say Y here if you want to enable support for the Xinpeng
+	  XPP055C272 controller for 720x1280 LCD panels with MIPI/RGB/SPI
+	  system interfaces.
 endmenu

drivers/gpu/drm/panel/Makefile

@@ -9,6 +9,7 @@ obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o
 obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o
 obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o
 obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o
+obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o
 obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o
 obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
 obj-$(CONFIG_DRM_PANEL_NEC_NL8048HL11) += panel-nec-nl8048hl11.o
@@ -39,3 +40,4 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
 obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
 obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
 obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
+obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o

drivers/gpu/drm/rcar-du/rcar_lvds.c

@@ -590,8 +590,9 @@ static void __rcar_lvds_atomic_enable(struct drm_bridge *bridge,
 }
 
 static void rcar_lvds_atomic_enable(struct drm_bridge *bridge,
-				    struct drm_atomic_state *state)
+				    struct drm_bridge_state *old_bridge_state)
 {
+	struct drm_atomic_state *state = old_bridge_state->base.state;
 	struct drm_connector *connector;
 	struct drm_crtc *crtc;
 
@@ -603,7 +604,7 @@ static void rcar_lvds_atomic_enable(struct drm_bridge *bridge,
 }
 
 static void rcar_lvds_atomic_disable(struct drm_bridge *bridge,
-				     struct drm_atomic_state *state)
+				     struct drm_bridge_state *old_bridge_state)
 {
 	struct rcar_lvds *lvds = bridge_to_rcar_lvds(bridge);
 
@@ -618,7 +619,8 @@ static void rcar_lvds_atomic_disable(struct drm_bridge *bridge,
 
 	/* Disable the companion LVDS encoder in dual-link mode. */
 	if (lvds->link_type != RCAR_LVDS_SINGLE_LINK && lvds->companion)
-		lvds->companion->funcs->atomic_disable(lvds->companion, state);
+		lvds->companion->funcs->atomic_disable(lvds->companion,
+						       old_bridge_state);
 
 	clk_disable_unprepare(lvds->clocks.mod);
 }

drivers/gpu/drm/rockchip/rk3066_hdmi.c

@@ -641,6 +641,9 @@ static int rk3066_hdmi_i2c_write(struct rk3066_hdmi *hdmi, struct i2c_msg *msgs)
 	if (msgs->addr == DDC_ADDR)
 		hdmi->i2c->ddc_addr = msgs->buf[0];
 
+	/* Set edid fifo first address. */
+	hdmi_writeb(hdmi, HDMI_EDID_FIFO_ADDR, 0x00);
+
 	/* Set edid word address 0x00/0x80. */
 	hdmi_writeb(hdmi, HDMI_EDID_WORD_ADDR, hdmi->i2c->ddc_addr);
 

drivers/gpu/drm/rockchip/rockchip_lvds.h

@@ -72,6 +72,9 @@
 #define RK3288_LVDS_CFG_REG21_TX_DISABLE	0x00
 #define RK3288_LVDS_CH1_OFFSET			0x100
 
+#define RK3288_LVDS_GRF_SOC_CON6		0x025C
+#define RK3288_LVDS_GRF_SOC_CON7		0x0260
+
 /* fbdiv value is split over 2 registers, with bit8 in reg2 */
 #define RK3288_LVDS_PLL_FBDIV_REG2(_fbd) \
 		(_fbd & BIT(8) ? RK3288_LVDS_CH0_REG2_PLL_FBDIV8 : 0)
@@ -103,4 +106,18 @@
 #define LVDS_VESA_18				2
 #define LVDS_JEIDA_18				3
 
+#define HIWORD_UPDATE(v, h, l)  ((GENMASK(h, l) << 16) | ((v) << (l)))
+
+#define PX30_LVDS_GRF_PD_VO_CON0		0x434
+#define   PX30_LVDS_TIE_CLKS(val)		HIWORD_UPDATE(val,  8,  8)
+#define   PX30_LVDS_INVERT_CLKS(val)		HIWORD_UPDATE(val,  9,  9)
+#define   PX30_LVDS_INVERT_DCLK(val)		HIWORD_UPDATE(val,  5,  5)
+
+#define PX30_LVDS_GRF_PD_VO_CON1		0x438
+#define   PX30_LVDS_FORMAT(val)			HIWORD_UPDATE(val, 14, 13)
+#define   PX30_LVDS_MODE_EN(val)		HIWORD_UPDATE(val, 12, 12)
+#define   PX30_LVDS_MSBSEL(val)			HIWORD_UPDATE(val, 11, 11)
+#define   PX30_LVDS_P2S_EN(val)			HIWORD_UPDATE(val,  6,  6)
+#define   PX30_LVDS_VOP_SEL(val)		HIWORD_UPDATE(val,  1,  1)
+
 #endif /* _ROCKCHIP_LVDS_ */

drivers/video/fbdev/68328fb.c

@@ -405,20 +405,8 @@ static int mc68x328fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 
 int __init mc68x328fb_setup(char *options)
 {
-#if 0
-	char *this_opt;
-#endif
-
 	if (!options || !*options)
 		return 1;
-#if 0
-	while ((this_opt = strsep(&options, ",")) != NULL) {
-		if (!*this_opt)
-			continue;
-		if (!strncmp(this_opt, "disable", 7))
-			mc68x328fb_enable = 0;
-	}
-#endif
 	return 1;
 }
 

drivers/video/fbdev/core/fbcon.c

@@ -536,6 +536,13 @@ static int __init fb_console_setup(char *this_opt)
 				fb_center_logo = true;
 			continue;
 		}
+
+		if (!strncmp(options, "logo-count:", 11)) {
+			options += 11;
+			if (*options)
+				fb_logo_count = simple_strtol(options, &options, 0);
+			continue;
+		}
 	}
 	return 1;
 }

drivers/video/fbdev/core/fbmem.c

@@ -54,7 +54,8 @@ int num_registered_fb __read_mostly;
 EXPORT_SYMBOL(num_registered_fb);
 
 bool fb_center_logo __read_mostly;
-EXPORT_SYMBOL(fb_center_logo);
+
+int fb_logo_count __read_mostly = -1;
 
 static struct fb_info *get_fb_info(unsigned int idx)
 {
@@ -620,7 +621,7 @@ int fb_prepare_logo(struct fb_info *info, int rotate)
 	memset(&fb_logo, 0, sizeof(struct logo_data));
 
 	if (info->flags & FBINFO_MISC_TILEBLITTING ||
-	    info->fbops->owner)
+	    info->fbops->owner || !fb_logo_count)
 		return 0;
 
 	if (info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
@@ -686,10 +687,14 @@ int fb_prepare_logo(struct fb_info *info, int rotate)
 
 int fb_show_logo(struct fb_info *info, int rotate)
 {
+	unsigned int count;
 	int y;
 
-	y = fb_show_logo_line(info, rotate, fb_logo.logo, 0,
-			      num_online_cpus());
+	if (!fb_logo_count)
+		return 0;
+
+	count = fb_logo_count < 0 ? num_online_cpus() : fb_logo_count;
+	y = fb_show_logo_line(info, rotate, fb_logo.logo, 0, count);
 	y = fb_show_extra_logos(info, y, rotate);
 
 	return y;

drivers/video/fbdev/fsl-diu-fb.c

@@ -1287,6 +1287,7 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
 		dev_warn(info->dev,
 			 "MFB_SET_PIXFMT value of 0x%08x is deprecated.\n",
 			 MFB_SET_PIXFMT_OLD);
+		/* fall through */
 	case MFB_SET_PIXFMT:
 		if (copy_from_user(&pix_fmt, buf, sizeof(pix_fmt)))
 			return -EFAULT;
@@ -1296,6 +1297,7 @@ static int fsl_diu_ioctl(struct fb_info *info, unsigned int cmd,
 		dev_warn(info->dev,
 			 "MFB_GET_PIXFMT value of 0x%08x is deprecated.\n",
 			 MFB_GET_PIXFMT_OLD);
+		/* fall through */
 	case MFB_GET_PIXFMT:
 		pix_fmt = ad->pix_fmt;
 		if (copy_to_user(buf, &pix_fmt, sizeof(pix_fmt)))

drivers/video/fbdev/matrox/matroxfb_misc.c

@@ -673,7 +673,10 @@ static int parse_pins5(struct matrox_fb_info *minfo,
 	if (bd->pins[115] & 4) {
 		minfo->values.reg.mctlwtst_core = minfo->values.reg.mctlwtst;
 	} else {
-		u_int32_t wtst_xlat[] = { 0, 1, 5, 6, 7, 5, 2, 3 };
+		static const u8 wtst_xlat[] = {
+			0, 1, 5, 6, 7, 5, 2, 3
+		};
+
 		minfo->values.reg.mctlwtst_core = (minfo->values.reg.mctlwtst & ~7) |
 						  wtst_xlat[minfo->values.reg.mctlwtst & 7];
 	}

drivers/video/fbdev/mmp/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
 menuconfig MMP_DISP
 	tristate "Marvell MMP Display Subsystem support"
-	depends on CPU_PXA910 || CPU_MMP2
+	depends on CPU_PXA910 || CPU_MMP2 || COMPILE_TEST
 	help
 	  Marvell Display Subsystem support.
 

drivers/video/fbdev/mmp/fb/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
-if MMP_DISP
-
 config MMP_FB
 	tristate "fb driver for Marvell MMP Display Subsystem"
 	depends on FB
@@ -10,5 +8,3 @@ config MMP_FB
 	default y
 	help
 		fb driver for Marvell MMP Display Subsystem
-
-endif

drivers/video/fbdev/mmp/fb/mmpfb.c

@@ -522,7 +522,7 @@ static int fb_info_setup(struct fb_info *info,
 		info->var.bits_per_pixel / 8;
 	info->fbops = &mmpfb_ops;
 	info->pseudo_palette = fbi->pseudo_palette;
-	info->screen_base = fbi->fb_start;
+	info->screen_buffer = fbi->fb_start;
 	info->screen_size = fbi->fb_size;
 
 	/* For FB framework: Allocate color map and Register framebuffer*/

drivers/video/fbdev/mmp/hw/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
-if MMP_DISP
-
 config MMP_DISP_CONTROLLER
 	bool "mmp display controller hw support"
-	depends on CPU_PXA910 || CPU_MMP2
+	depends on HAVE_CLK && HAS_IOMEM
+	depends on CPU_PXA910 || CPU_MMP2 || COMPILE_TEST
 	help
 		Marvell MMP display hw controller support
 		this controller is used on Marvell PXA910 and
@@ -16,5 +15,3 @@ config MMP_DISP_SPI
 	help
 		Marvell MMP display hw controller spi port support
 		will register as a spi master for panel usage
-
-endif

drivers/video/fbdev/mmp/hw/mmp_ctrl.c

@@ -136,19 +136,26 @@ static void overlay_set_win(struct mmp_overlay *overlay, struct mmp_win *win)
 	mutex_lock(&overlay->access_ok);
 
 	if (overlay_is_vid(overlay)) {
-		writel_relaxed(win->pitch[0], &regs->v_pitch_yc);
-		writel_relaxed(win->pitch[2] << 16 |
-				win->pitch[1], &regs->v_pitch_uv);
-
-		writel_relaxed((win->ysrc << 16) | win->xsrc, &regs->v_size);
-		writel_relaxed((win->ydst << 16) | win->xdst, &regs->v_size_z);
-		writel_relaxed(win->ypos << 16 | win->xpos, &regs->v_start);
+		writel_relaxed(win->pitch[0],
+				(void __iomem *)&regs->v_pitch_yc);
+		writel_relaxed(win->pitch[2] << 16 | win->pitch[1],
+				(void __iomem *)&regs->v_pitch_uv);
+
+		writel_relaxed((win->ysrc << 16) | win->xsrc,
+				(void __iomem *)&regs->v_size);
+		writel_relaxed((win->ydst << 16) | win->xdst,
+				(void __iomem *)&regs->v_size_z);
+		writel_relaxed(win->ypos << 16 | win->xpos,
+				(void __iomem *)&regs->v_start);
 	} else {
-		writel_relaxed(win->pitch[0], &regs->g_pitch);
-
-		writel_relaxed((win->ysrc << 16) | win->xsrc, &regs->g_size);
-		writel_relaxed((win->ydst << 16) | win->xdst, &regs->g_size_z);
-		writel_relaxed(win->ypos << 16 | win->xpos, &regs->g_start);
+		writel_relaxed(win->pitch[0], (void __iomem *)&regs->g_pitch);
+
+		writel_relaxed((win->ysrc << 16) | win->xsrc,
+				(void __iomem *)&regs->g_size);
+		writel_relaxed((win->ydst << 16) | win->xdst,
+				(void __iomem *)&regs->g_size_z);
+		writel_relaxed(win->ypos << 16 | win->xpos,
+				(void __iomem *)&regs->g_start);
 	}
 
 	dmafetch_set_fmt(overlay);
@@ -233,11 +240,11 @@ static int overlay_set_addr(struct mmp_overlay *overlay, struct mmp_addr *addr)
 	memcpy(&overlay->addr, addr, sizeof(struct mmp_addr));
 
 	if (overlay_is_vid(overlay)) {
-		writel_relaxed(addr->phys[0], &regs->v_y0);
-		writel_relaxed(addr->phys[1], &regs->v_u0);
-		writel_relaxed(addr->phys[2], &regs->v_v0);
+		writel_relaxed(addr->phys[0], (void __iomem *)&regs->v_y0);
+		writel_relaxed(addr->phys[1], (void __iomem *)&regs->v_u0);
+		writel_relaxed(addr->phys[2], (void __iomem *)&regs->v_v0);
 	} else
-		writel_relaxed(addr->phys[0], &regs->g_0);
+		writel_relaxed(addr->phys[0], (void __iomem *)&regs->g_0);
 
 	return overlay->addr.phys[0];
 }
@@ -268,16 +275,18 @@ static void path_set_mode(struct mmp_path *path, struct mmp_mode *mode)
 	tmp |= dsi_rbswap & CFG_INTFRBSWAP_MASK;
 	writel_relaxed(tmp, ctrl_regs(path) + intf_rbswap_ctrl(path->id));
 
-	writel_relaxed((mode->yres << 16) | mode->xres, &regs->screen_active);
+	writel_relaxed((mode->yres << 16) | mode->xres,
+		(void __iomem *)&regs->screen_active);
 	writel_relaxed((mode->left_margin << 16) | mode->right_margin,
-		&regs->screen_h_porch);
+		(void __iomem *)&regs->screen_h_porch);
 	writel_relaxed((mode->upper_margin << 16) | mode->lower_margin,
-		&regs->screen_v_porch);
+		(void __iomem *)&regs->screen_v_porch);
 	total_x = mode->xres + mode->left_margin + mode->right_margin +
 		mode->hsync_len;
 	total_y = mode->yres + mode->upper_margin + mode->lower_margin +
 		mode->vsync_len;
-	writel_relaxed((total_y << 16) | total_x, &regs->screen_size);
+	writel_relaxed((total_y << 16) | total_x,
+		(void __iomem *)&regs->screen_size);
 
 	/* vsync ctrl */
 	if (path->output_type == PATH_OUT_DSI)
@@ -285,7 +294,7 @@ static void path_set_mode(struct mmp_path *path, struct mmp_mode *mode)
 	else
 		vsync_ctrl = ((mode->xres + mode->right_margin) << 16)
 					| (mode->xres + mode->right_margin);
-	writel_relaxed(vsync_ctrl, &regs->vsync_ctrl);
+	writel_relaxed(vsync_ctrl, (void __iomem *)&regs->vsync_ctrl);
 
 	/* set pixclock div */
 	sclk_src = clk_get_rate(path_to_ctrl(path)->clk);
@@ -366,9 +375,9 @@ static void path_set_default(struct mmp_path *path)
 	writel_relaxed(dma_ctrl1, ctrl_regs(path) + dma_ctrl(1, path->id));
 
 	/* Configure default register values */
-	writel_relaxed(0x00000000, &regs->blank_color);
-	writel_relaxed(0x00000000, &regs->g_1);
-	writel_relaxed(0x00000000, &regs->g_start);
+	writel_relaxed(0x00000000, (void __iomem *)&regs->blank_color);
+	writel_relaxed(0x00000000, (void __iomem *)&regs->g_1);
+	writel_relaxed(0x00000000, (void __iomem *)&regs->g_start);
 
 	/*
 	 * 1.enable multiple burst request in DMA AXI

drivers/video/fbdev/mmp/hw/mmp_ctrl.h

@@ -1393,7 +1393,7 @@ struct mmphw_ctrl {
 	/* platform related, get from config */
 	const char *name;
 	int irq;
-	void *reg_base;
+	void __iomem *reg_base;
 	struct clk *clk;
 
 	/* sys info */
@@ -1429,7 +1429,7 @@ static inline struct mmphw_ctrl *overlay_to_ctrl(struct mmp_overlay *overlay)
 	return path_to_ctrl(overlay->path);
 }
 
-static inline void *ctrl_regs(struct mmp_path *path)
+static inline void __iomem *ctrl_regs(struct mmp_path *path)
 {
 	return path_to_ctrl(path)->reg_base;
 }
@@ -1438,11 +1438,11 @@ static inline void *ctrl_regs(struct mmp_path *path)
 static inline struct lcd_regs *path_regs(struct mmp_path *path)
 {
 	if (path->id == PATH_PN)
-		return (struct lcd_regs *)(ctrl_regs(path) + 0xc0);
+		return (struct lcd_regs __force *)(ctrl_regs(path) + 0xc0);
 	else if (path->id == PATH_TV)
-		return (struct lcd_regs *)ctrl_regs(path);
+		return (struct lcd_regs __force  *)ctrl_regs(path);
 	else if (path->id == PATH_P2)
-		return (struct lcd_regs *)(ctrl_regs(path) + 0x200);
+		return (struct lcd_regs __force *)(ctrl_regs(path) + 0x200);
 	else {
 		dev_err(path->dev, "path id %d invalid\n", path->id);
 		BUG_ON(1);

drivers/video/fbdev/mmp/hw/mmp_spi.c

@@ -31,7 +31,7 @@ static inline int lcd_spi_write(struct spi_device *spi, u32 data)
 {
 	int timeout = 100000, isr, ret = 0;
 	u32 tmp;
-	void *reg_base =
+	void __iomem *reg_base = (void __iomem *)
 		*(void **)spi_master_get_devdata(spi->master);
 
 	/* clear ISR */
@@ -80,7 +80,7 @@ static inline int lcd_spi_write(struct spi_device *spi, u32 data)
 
 static int lcd_spi_setup(struct spi_device *spi)
 {
-	void *reg_base =
+	void __iomem *reg_base = (void __iomem *)
 		*(void **)spi_master_get_devdata(spi->master);
 	u32 tmp;
 
@@ -146,7 +146,7 @@ int lcd_spi_register(struct mmphw_ctrl *ctrl)
 		return -ENOMEM;
 	}
 	p_regbase = spi_master_get_devdata(master);
-	*p_regbase = ctrl->reg_base;
+	*p_regbase = (void __force *)ctrl->reg_base;
 
 	/* set bus num to 5 to avoid conflict with other spi hosts */
 	master->bus_num = 5;

drivers/video/fbdev/ocfb.c

@@ -297,7 +297,6 @@ static int ocfb_probe(struct platform_device *pdev)
 {
 	int ret = 0;
 	struct ocfb_dev *fbdev;
-	struct resource *res;
 	int fbsize;
 
 	fbdev = devm_kzalloc(&pdev->dev, sizeof(*fbdev), GFP_KERNEL);
@@ -319,13 +318,7 @@ static int ocfb_probe(struct platform_device *pdev)
 	ocfb_init_var(fbdev);
 	ocfb_init_fix(fbdev);
 
-	/* Request I/O resource */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "I/O resource request failed\n");
-		return -ENXIO;
-	}
-	fbdev->regs = devm_ioremap_resource(&pdev->dev, res);
+	fbdev->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(fbdev->regs))
 		return PTR_ERR(fbdev->regs);
 

drivers/video/fbdev/omap2/omapfb/dss/dispc.c

@@ -1635,7 +1635,7 @@ static void dispc_ovl_set_scaling_uv(enum omap_plane plane,
 {
 	int scale_x = out_width != orig_width;
 	int scale_y = out_height != orig_height;
-	bool chroma_upscale = plane != OMAP_DSS_WB ? true : false;
+	bool chroma_upscale = plane != OMAP_DSS_WB;
 
 	if (!dss_has_feature(FEAT_HANDLE_UV_SEPARATE))
 		return;
@@ -3100,9 +3100,9 @@ static bool _dispc_mgr_pclk_ok(enum omap_channel channel,
 		unsigned long pclk)
 {
 	if (dss_mgr_is_lcd(channel))
-		return pclk <= dispc.feat->max_lcd_pclk ? true : false;
+		return pclk <= dispc.feat->max_lcd_pclk;
 	else
-		return pclk <= dispc.feat->max_tv_pclk ? true : false;
+		return pclk <= dispc.feat->max_tv_pclk;
 }
 
 bool dispc_mgr_timings_ok(enum omap_channel channel,

drivers/video/fbdev/omap2/omapfb/vrfb.c

@@ -339,9 +339,7 @@ static int __init vrfb_probe(struct platform_device *pdev)
 	int i;
 
 	/* first resource is the register res, the rest are vrfb contexts */
-
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	vrfb_base = devm_ioremap_resource(&pdev->dev, mem);
+	vrfb_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(vrfb_base))
 		return PTR_ERR(vrfb_base);
 

drivers/video/fbdev/pxa168fb.c

@@ -766,7 +766,7 @@ static int pxa168fb_probe(struct platform_device *pdev)
 failed_free_clk:
 	clk_disable_unprepare(fbi->clk);
 failed_free_fbmem:
-	dma_free_coherent(fbi->dev, info->fix.smem_len,
+	dma_free_wc(fbi->dev, info->fix.smem_len,
 		    info->screen_base, fbi->fb_start_dma);
 failed_free_info:
 	kfree(info);
@@ -801,7 +801,7 @@ static int pxa168fb_remove(struct platform_device *pdev)
 
 	irq = platform_get_irq(pdev, 0);
 
-	dma_free_wc(fbi->dev, PAGE_ALIGN(info->fix.smem_len),
+	dma_free_wc(fbi->dev, info->fix.smem_len,
 		    info->screen_base, info->fix.smem_start);
 
 	clk_disable_unprepare(fbi->clk);

drivers/video/fbdev/pxafb.c

@@ -2237,7 +2237,6 @@ static int pxafb_probe(struct platform_device *dev)
 {
 	struct pxafb_info *fbi;
 	struct pxafb_mach_info *inf, *pdata;
-	struct resource *r;
 	int i, irq, ret;
 
 	dev_dbg(&dev->dev, "pxafb_probe\n");
@@ -2303,14 +2302,7 @@ static int pxafb_probe(struct platform_device *dev)
 		fbi->lcd_supply = NULL;
 	}
 
-	r = platform_get_resource(dev, IORESOURCE_MEM, 0);
-	if (r == NULL) {
-		dev_err(&dev->dev, "no I/O memory resource defined\n");
-		ret = -ENODEV;
-		goto failed;
-	}
-
-	fbi->mmio_base = devm_ioremap_resource(&dev->dev, r);
+	fbi->mmio_base = devm_platform_ioremap_resource(dev, 0);
 	if (IS_ERR(fbi->mmio_base)) {
 		dev_err(&dev->dev, "failed to get I/O memory\n");
 		ret = -EBUSY;

drivers/video/fbdev/s3c-fb.c

@@ -1411,8 +1411,7 @@ static int s3c_fb_probe(struct platform_device *pdev)
 
 	pm_runtime_enable(sfb->dev);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	sfb->regs = devm_ioremap_resource(dev, res);
+	sfb->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sfb->regs)) {
 		ret = PTR_ERR(sfb->regs);
 		goto err_lcd_clk;

drivers/video/fbdev/sa1100fb.c

@@ -1143,7 +1143,6 @@ static struct sa1100fb_info *sa1100fb_init_fbinfo(struct device *dev)
 static int sa1100fb_probe(struct platform_device *pdev)
 {
 	struct sa1100fb_info *fbi;
-	struct resource *res;
 	int ret, irq;
 
 	if (!dev_get_platdata(&pdev->dev)) {
@@ -1159,8 +1158,7 @@ static int sa1100fb_probe(struct platform_device *pdev)
 	if (!fbi)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	fbi->base = devm_ioremap_resource(&pdev->dev, res);
+	fbi->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(fbi->base))
 		return PTR_ERR(fbi->base);
 

include/drm/drm_atomic.h

@@ -669,6 +669,9 @@ __drm_atomic_get_current_plane_state(struct drm_atomic_state *state,
 	return plane->state;
 }
 
+int __must_check
+drm_atomic_add_encoder_bridges(struct drm_atomic_state *state,
+			       struct drm_encoder *encoder);
 int __must_check
 drm_atomic_add_affected_connectors(struct drm_atomic_state *state,
 				   struct drm_crtc *crtc);

include/drm/drm_gem_vram_helper.h

@@ -93,10 +93,8 @@ static inline struct drm_gem_vram_object *drm_gem_vram_of_gem(
 }
 
 struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev,
-						struct ttm_bo_device *bdev,
 						size_t size,
-						unsigned long pg_align,
-						bool interruptible);
+						unsigned long pg_align);
 void drm_gem_vram_put(struct drm_gem_vram_object *gbo);
 u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo);
 s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo);
@@ -110,9 +108,8 @@ void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, void *vaddr);
 
 int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 				  struct drm_device *dev,
-				  struct ttm_bo_device *bdev,
 				  unsigned long pg_align,
-				  bool interruptible,
+				  unsigned long pitch_align,
 				  struct drm_mode_create_dumb *args);
 
 /*

include/linux/fb.h

@@ -625,6 +625,7 @@ extern int fb_new_modelist(struct fb_info *info);
 extern struct fb_info *registered_fb[FB_MAX];
 extern int num_registered_fb;
 extern bool fb_center_logo;
+extern int fb_logo_count;
 extern struct class *fb_class;
 
 #define for_each_registered_fb(i)		\