Merge tag 'drm-misc-next-2020-05-14' of git://anongit.freedesktop.org…

…/drm/drm-misc into drm-next

drm-misc-next for 5.8:

UAPI Changes:

Cross-subsystem Changes:

 * dma-buf: use atomic64_fetch_add() for context id
 * Documentation: document bindings for ASUS ZOOT TM5P5, BOE NV133FHM-N62,
                  hpd-gpios

Core Changes:

Driver Changes:

 * drm/ast: fix supend; cleanups
 * drm/i2c: cleanups
 * drm/panel: add MODULE_LICENSE to panel-visinox-rm69299; add support for
              ASUS TM5P5i, BOE NV133FHM-N62i; fix size and bpp of BOE NV133FHM-N61
	      add hpd-gpio to panel-simple
 * drm/mcde: fix return value check in mcde_dsi_bind()
 * drm/mgag200: use managed drmm_mode_config_init(); cleanups
 * fbdev/pxa168fb: cleanups

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200514070819.GA6930@linux-uq9g

Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-nt35596.yaml

@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/asus,z00t-tm5p5-nt35596.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASUS Z00T TM5P5 NT35596 5.5" 1080×1920 LCD Panel
+
+maintainers:
+  - Konrad Dybcio <konradybcio@gmail.com>
+
+description: |+
+  This panel seems to only be found in the Asus Z00T
+  smartphone and we have no straightforward way of
+  actually getting the correct model number,
+  as no schematics are released publicly.
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: asus,z00t-tm5p5-n35596
+  reg: true
+  reset-gpios: true
+  vdd-supply:
+     description: core voltage supply
+  vddio-supply:
+     description: vddio supply
+
+required:
+  - compatible
+  - reg
+  - vdd-supply
+  - vddio-supply
+  - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+            #address-cells = <1>;
+            #size-cells = <0>;
+            panel@0 {
+                    reg = <0>;
+
+                    compatible = "asus,z00t-tm5p5-n35596";
+
+                    vdd-supply = <&pm8916_l8>;
+                    vddio-supply = <&pm8916_l6>;
+                    reset-gpios = <&msmgpio 25 GPIO_ACTIVE_HIGH>;
+            };
+    };

Documentation/devicetree/bindings/display/panel/panel-common.yaml

@@ -96,6 +96,12 @@ properties:
       (hot plug detect) signal, but the signal isn't hooked up so we should
       hardcode the max delay from the panel spec when powering up the panel.
 
+  hpd-gpios:
+    maxItems: 1
+    description:
+      If Hot Plug Detect (HPD) is connected to a GPIO in the system rather
+      than a dedicated HPD pin the pin can be specified here.
+
   # Control I/Os
 
   # Many display panels can be controlled through pins driven by GPIOs. The nature

Documentation/devicetree/bindings/display/panel/panel-simple.yaml

@@ -75,6 +75,8 @@ properties:
       - boe,nv101wxmn51
         # BOE NV133FHM-N61 13.3" FHD (1920x1080) TFT LCD Panel
       - boe,nv133fhm-n61
+        # BOE NV133FHM-N62 13.3" FHD (1920x1080) TFT LCD Panel
+      - boe,nv133fhm-n62
         # BOE NV140FHM-N49 14.0" FHD a-Si FT panel
       - boe,nv140fhmn49
         # CDTech(H.K.) Electronics Limited 4.3" 480x272 color TFT-LCD panel

drivers/dma-buf/dma-fence.c

@@ -106,7 +106,7 @@ EXPORT_SYMBOL(dma_fence_get_stub);
 u64 dma_fence_context_alloc(unsigned num)
 {
 	WARN_ON(!num);
-	return atomic64_add_return(num, &dma_fence_context_counter) - num;
+	return atomic64_fetch_add(num, &dma_fence_context_counter);
 }
 EXPORT_SYMBOL(dma_fence_context_alloc);
 

drivers/gpu/drm/ast/ast_mode.c

@@ -561,8 +561,9 @@ static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane,
 	return 0;
 }
 
-void ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
-					    struct drm_plane_state *old_state)
+static void
+ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
+				       struct drm_plane_state *old_state)
 {
 	struct ast_private *ast = plane->dev->dev_private;
 	struct drm_plane_state *state = plane->state;
@@ -801,6 +802,9 @@ static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
 		return -EINVAL;
 	}
 
+	if (!state->enable)
+		return 0; /* no mode checks if CRTC is being disabled */
+
 	ast_state = to_ast_crtc_state(state);
 
 	format = ast_state->format;

drivers/gpu/drm/i2c/tda998x_drv.c

@@ -1133,7 +1133,8 @@ static void tda998x_audio_shutdown(struct device *dev, void *data)
 	mutex_unlock(&priv->audio_mutex);
 }
 
-int tda998x_audio_digital_mute(struct device *dev, void *data, bool enable)
+static int tda998x_audio_digital_mute(struct device *dev, void *data,
+				      bool enable)
 {
 	struct tda998x_priv *priv = dev_get_drvdata(dev);
 

drivers/gpu/drm/mcde/mcde_dsi.c

@@ -1073,10 +1073,9 @@ static int mcde_dsi_bind(struct device *dev, struct device *master,
 			panel = NULL;
 
 			bridge = of_drm_find_bridge(child);
-			if (IS_ERR(bridge)) {
-				dev_err(dev, "failed to find bridge (%ld)\n",
-					PTR_ERR(bridge));
-				return PTR_ERR(bridge);
+			if (!bridge) {
+				dev_err(dev, "failed to find bridge\n");
+				return -EINVAL;
 			}
 		}
 	}

drivers/gpu/drm/mgag200/mgag200_cursor.c

@@ -260,7 +260,7 @@ int mgag200_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 			    uint32_t handle, uint32_t width, uint32_t height)
 {
 	struct drm_device *dev = crtc->dev;
-	struct mga_device *mdev = (struct mga_device *)dev->dev_private;
+	struct mga_device *mdev = to_mga_device(dev);
 	struct drm_gem_object *obj;
 	struct drm_gem_vram_object *gbo = NULL;
 	int ret;
@@ -307,7 +307,7 @@ int mgag200_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 
 int mgag200_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 {
-	struct mga_device *mdev = (struct mga_device *)crtc->dev->dev_private;
+	struct mga_device *mdev = to_mga_device(crtc->dev);
 
 	/* Our origin is at (64,64) */
 	x += 64;

drivers/gpu/drm/mgag200/mgag200_drv.c

@@ -120,7 +120,7 @@ int mgag200_driver_dumb_create(struct drm_file *file,
 			       struct drm_device *dev,
 			       struct drm_mode_create_dumb *args)
 {
-	struct mga_device *mdev = dev->dev_private;
+	struct mga_device *mdev = to_mga_device(dev);
 	unsigned long pg_align;
 
 	if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized"))

drivers/gpu/drm/mgag200/mgag200_drv.h

@@ -104,11 +104,6 @@ struct mga_crtc {
 	bool enabled;
 };
 
-struct mga_mode_info {
-	bool mode_config_initialized;
-	struct mga_crtc *crtc;
-};
-
 struct mga_i2c_chan {
 	struct i2c_adapter adapter;
 	struct drm_device *dev;
@@ -160,17 +155,14 @@ struct mga_device {
 	void __iomem			*rmmio;
 
 	struct mga_mc			mc;
-	struct mga_mode_info		mode_info;
 
 	struct mga_cursor cursor;
 
 	size_t vram_fb_available;
 
 	bool				suspended;
-	int				num_crtc;
 	enum mga_type			type;
 	int				has_sdram;
-	struct drm_display_mode		mode;
 
 	int bpp_shifts[4];
 
@@ -179,9 +171,15 @@ struct mga_device {
 	/* SE model number stored in reg 0x1e24 */
 	u32 unique_rev_id;
 
+	struct mga_connector connector;
 	struct drm_encoder encoder;
 };
 
+static inline struct mga_device *to_mga_device(struct drm_device *dev)
+{
+	return dev->dev_private;
+}
+
 static inline enum mga_type
 mgag200_type_from_driver_data(kernel_ulong_t driver_data)
 {
@@ -196,7 +194,6 @@ mgag200_flags_from_driver_data(kernel_ulong_t driver_data)
 
 				/* mgag200_mode.c */
 int mgag200_modeset_init(struct mga_device *mdev);
-void mgag200_modeset_fini(struct mga_device *mdev);
 
 				/* mgag200_main.c */
 int mgag200_driver_load(struct drm_device *dev, unsigned long flags);

drivers/gpu/drm/mgag200/mgag200_i2c.c

@@ -61,34 +61,34 @@ static inline void mga_i2c_set(struct mga_device *mdev, int mask, int state)
 static void mga_gpio_setsda(void *data, int state)
 {
 	struct mga_i2c_chan *i2c = data;
-	struct mga_device *mdev = i2c->dev->dev_private;
+	struct mga_device *mdev = to_mga_device(i2c->dev);
 	mga_i2c_set(mdev, i2c->data, state);
 }
 
 static void mga_gpio_setscl(void *data, int state)
 {
 	struct mga_i2c_chan *i2c = data;
-	struct mga_device *mdev = i2c->dev->dev_private;
+	struct mga_device *mdev = to_mga_device(i2c->dev);
 	mga_i2c_set(mdev, i2c->clock, state);
 }
 
 static int mga_gpio_getsda(void *data)
 {
 	struct mga_i2c_chan *i2c = data;
-	struct mga_device *mdev = i2c->dev->dev_private;
+	struct mga_device *mdev = to_mga_device(i2c->dev);
 	return (mga_i2c_read_gpio(mdev) & i2c->data) ? 1 : 0;
 }
 
 static int mga_gpio_getscl(void *data)
 {
 	struct mga_i2c_chan *i2c = data;
-	struct mga_device *mdev = i2c->dev->dev_private;
+	struct mga_device *mdev = to_mga_device(i2c->dev);
 	return (mga_i2c_read_gpio(mdev) & i2c->clock) ? 1 : 0;
 }
 
 struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev)
 {
-	struct mga_device *mdev = dev->dev_private;
+	struct mga_device *mdev = to_mga_device(dev);
 	struct mga_i2c_chan *i2c;
 	int ret;
 	int data, clock;