Merge remote-tracking branch 'pfdo/drm-next' into drm-next

Pull in drm-next for the object find API changes.

Fix the one place the API crashes.

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

Documentation/devicetree/bindings/display/bridge/adi,adv7511.txt

@@ -68,6 +68,8 @@ Optional properties:
 - adi,disable-timing-generator: Only for ADV7533. Disables the internal timing
   generator. The chip will rely on the sync signals in the DSI data lanes,
   rather than generate its own timings for HDMI output.
+- clocks: from common clock binding: reference to the CEC clock.
+- clock-names: from common clock binding: must be "cec".
 
 Required nodes:
 
@@ -89,6 +91,8 @@ Example
 		reg = <39>;
 		interrupt-parent = <&gpio3>;
 		interrupts = <29 IRQ_TYPE_EDGE_FALLING>;
+		clocks = <&cec_clock>;
+		clock-names = "cec";
 
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";

Documentation/devicetree/bindings/display/bridge/sii9234.txt

@@ -0,0 +1,49 @@
+Silicon Image SiI9234 HDMI/MHL bridge bindings
+
+Required properties:
+	- compatible : "sil,sii9234".
+	- reg : I2C address for TPI interface, use 0x39
+	- avcc33-supply : MHL/USB Switch Supply Voltage (3.3V)
+	- iovcc18-supply : I/O Supply Voltage (1.8V)
+	- avcc12-supply : TMDS Analog Supply Voltage (1.2V)
+	- cvcc12-supply : Digital Core Supply Voltage (1.2V)
+	- interrupts, interrupt-parent: interrupt specifier of INT pin
+	- reset-gpios: gpio specifier of RESET pin (active low)
+	- video interfaces: Device node can contain two video interface port
+			    nodes for HDMI encoder and connector according to [1].
+			    - port@0 - MHL to HDMI
+			    - port@1 - MHL to connector
+
+[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
+
+
+Example:
+	sii9234@39 {
+		compatible = "sil,sii9234";
+		reg = <0x39>;
+		avcc33-supply = <&vcc33mhl>;
+		iovcc18-supply = <&vcc18mhl>;
+		avcc12-supply = <&vsil12>;
+		cvcc12-supply = <&vsil12>;
+		reset-gpios = <&gpf3 4 GPIO_ACTIVE_LOW>;
+		interrupt-parent = <&gpf3>;
+		interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			port@0 {
+				reg = <0>;
+				mhl_to_hdmi: endpoint {
+					remote-endpoint = <&hdmi_to_mhl>;
+				};
+			};
+			port@1 {
+				reg = <1>;
+				mhl_to_connector: endpoint {
+					remote-endpoint = <&connector_to_mhl>;
+				};
+			};
+		};
+	};

Documentation/devicetree/bindings/display/panel/raspberrypi,7inch-touchscreen.txt

@@ -0,0 +1,49 @@
+This binding covers the official 7" (800x480) Raspberry Pi touchscreen
+panel.
+
+This DSI panel contains:
+
+- TC358762 DSI->DPI bridge
+- Atmel microcontroller on I2C for power sequencing the DSI bridge and
+  controlling backlight
+- Touchscreen controller on I2C for touch input
+
+and this binding covers the DSI display parts but not its touch input.
+
+Required properties:
+- compatible:	Must be "raspberrypi,7inch-touchscreen-panel"
+- reg:		Must be "45"
+- port:		See panel-common.txt
+
+Example:
+
+dsi1: dsi@7e700000 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	<...>
+
+	port {
+		dsi_out_port: endpoint {
+			remote-endpoint = <&panel_dsi_port>;
+		};
+	};
+};
+
+i2c_dsi: i2c {
+	compatible = "i2c-gpio";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	gpios = <&gpio 28 0
+		 &gpio 29 0>;
+
+	lcd@45 {
+		compatible = "raspberrypi,7inch-touchscreen-panel";
+		reg = <0x45>;
+
+		port {
+			panel_dsi_port: endpoint {
+				remote-endpoint = <&dsi_out_port>;
+			};
+		};
+	};
+};

Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt

@@ -41,14 +41,17 @@ CEC. It is one end of the pipeline.
 Required properties:
   - compatible: value must be one of:
     * allwinner,sun5i-a10s-hdmi
+    * allwinner,sun6i-a31-hdmi
   - reg: base address and size of memory-mapped region
   - interrupts: interrupt associated to this IP
   - clocks: phandles to the clocks feeding the HDMI encoder
     * ahb: the HDMI interface clock
     * mod: the HDMI module clock
+    * ddc: the HDMI ddc clock (A31 only)
     * pll-0: the first video PLL
     * pll-1: the second video PLL
   - clock-names: the clock names mentioned above
+  - resets: phandle to the reset control for the HDMI encoder (A31 only)
   - dmas: phandles to the DMA channels used by the HDMI encoder
     * ddc-tx: The channel for DDC transmission
     * ddc-rx: The channel for DDC reception

drivers/dma-buf/reservation.c

@@ -266,8 +266,7 @@ EXPORT_SYMBOL(reservation_object_add_excl_fence);
 * @dst: the destination reservation object
 * @src: the source reservation object
 *
-* Copy all fences from src to dst. Both src->lock as well as dst-lock must be
-* held.
+* Copy all fences from src to dst. dst-lock must be held.
 */
 int reservation_object_copy_fences(struct reservation_object *dst,
 				   struct reservation_object *src)
@@ -277,33 +276,62 @@ int reservation_object_copy_fences(struct reservation_object *dst,
 	size_t size;
 	unsigned i;
 
-	src_list = reservation_object_get_list(src);
+	rcu_read_lock();
+	src_list = rcu_dereference(src->fence);
 
+retry:
 	if (src_list) {
-		size = offsetof(typeof(*src_list),
-				shared[src_list->shared_count]);
+		unsigned shared_count = src_list->shared_count;
+
+		size = offsetof(typeof(*src_list), shared[shared_count]);
+		rcu_read_unlock();
+
 		dst_list = kmalloc(size, GFP_KERNEL);
 		if (!dst_list)
 			return -ENOMEM;
 
-		dst_list->shared_count = src_list->shared_count;
-		dst_list->shared_max = src_list->shared_count;
-		for (i = 0; i < src_list->shared_count; ++i)
-			dst_list->shared[i] =
-				dma_fence_get(src_list->shared[i]);
+		rcu_read_lock();
+		src_list = rcu_dereference(src->fence);
+		if (!src_list || src_list->shared_count > shared_count) {
+			kfree(dst_list);
+			goto retry;
+		}
+
+		dst_list->shared_count = 0;
+		dst_list->shared_max = shared_count;
+		for (i = 0; i < src_list->shared_count; ++i) {
+			struct dma_fence *fence;
+
+			fence = rcu_dereference(src_list->shared[i]);
+			if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
+				     &fence->flags))
+				continue;
+
+			if (!dma_fence_get_rcu(fence)) {
+				kfree(dst_list);
+				src_list = rcu_dereference(src->fence);
+				goto retry;
+			}
+
+			if (dma_fence_is_signaled(fence)) {
+				dma_fence_put(fence);
+				continue;
+			}
+
+			dst_list->shared[dst_list->shared_count++] = fence;
+		}
 	} else {
 		dst_list = NULL;
 	}
 
+	new = dma_fence_get_rcu_safe(&src->fence_excl);
+	rcu_read_unlock();
+
 	kfree(dst->staged);
 	dst->staged = NULL;
 
 	src_list = reservation_object_get_list(dst);
-
 	old = reservation_object_get_excl(dst);
-	new = reservation_object_get_excl(src);
-
-	dma_fence_get(new);
 
 	preempt_disable();
 	write_seqcount_begin(&dst->seq);

drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c

@@ -231,7 +231,7 @@ amdgpu_connector_update_scratch_regs(struct drm_connector *connector,
 		if (connector->encoder_ids[i] == 0)
 			break;
 
-		encoder = drm_encoder_find(connector->dev,
+		encoder = drm_encoder_find(connector->dev, NULL,
 					connector->encoder_ids[i]);
 		if (!encoder)
 			continue;
@@ -256,7 +256,7 @@ amdgpu_connector_find_encoder(struct drm_connector *connector,
 	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 		if (connector->encoder_ids[i] == 0)
 			break;
-		encoder = drm_encoder_find(connector->dev,
+		encoder = drm_encoder_find(connector->dev, NULL,
 					connector->encoder_ids[i]);
 		if (!encoder)
 			continue;
@@ -372,7 +372,7 @@ amdgpu_connector_best_single_encoder(struct drm_connector *connector)
 
 	/* pick the encoder ids */
 	if (enc_id)
-		return drm_encoder_find(connector->dev, enc_id);
+		return drm_encoder_find(connector->dev, NULL, enc_id);
 	return NULL;
 }
 
@@ -1077,7 +1077,7 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
 			if (connector->encoder_ids[i] == 0)
 				break;
 
-			encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
+			encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
 			if (!encoder)
 				continue;
 
@@ -1134,7 +1134,7 @@ amdgpu_connector_dvi_encoder(struct drm_connector *connector)
 		if (connector->encoder_ids[i] == 0)
 			break;
 
-		encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
+		encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
 		if (!encoder)
 			continue;
 
@@ -1153,7 +1153,7 @@ amdgpu_connector_dvi_encoder(struct drm_connector *connector)
 	/* then check use digitial */
 	/* pick the first one */
 	if (enc_id)
-		return drm_encoder_find(connector->dev, enc_id);
+		return drm_encoder_find(connector->dev, NULL, enc_id);
 	return NULL;
 }
 
@@ -1294,7 +1294,7 @@ u16 amdgpu_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *conn
 		if (connector->encoder_ids[i] == 0)
 			break;
 
-		encoder = drm_encoder_find(connector->dev,
+		encoder = drm_encoder_find(connector->dev, NULL,
 					connector->encoder_ids[i]);
 		if (!encoder)
 			continue;
@@ -1323,7 +1323,7 @@ static bool amdgpu_connector_encoder_is_hbr2(struct drm_connector *connector)
 	for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
 		if (connector->encoder_ids[i] == 0)
 			break;
-		encoder = drm_encoder_find(connector->dev,
+		encoder = drm_encoder_find(connector->dev, NULL,
 					connector->encoder_ids[i]);
 		if (!encoder)
 			continue;

drivers/gpu/drm/amd/amdgpu/dce_virtual.c

@@ -288,7 +288,7 @@ dce_virtual_encoder(struct drm_connector *connector)
 		if (connector->encoder_ids[i] == 0)
 			break;
 
-		encoder = drm_encoder_find(connector->dev, connector->encoder_ids[i]);
+		encoder = drm_encoder_find(connector->dev, NULL, connector->encoder_ids[i]);
 		if (!encoder)
 			continue;
 
@@ -298,7 +298,7 @@ dce_virtual_encoder(struct drm_connector *connector)
 
 	/* pick the first one */
 	if (enc_id)
-		return drm_encoder_find(connector->dev, enc_id);
+		return drm_encoder_find(connector->dev, NULL, enc_id);
 	return NULL;
 }
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -2638,7 +2638,7 @@ static struct drm_encoder *best_encoder(struct drm_connector *connector)
 
 	/* pick the encoder ids */
 	if (enc_id) {
-		obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
+		obj = drm_mode_object_find(connector->dev, NULL, enc_id, DRM_MODE_OBJECT_ENCODER);
 		if (!obj) {
 			DRM_ERROR("Couldn't find a matching encoder for our connector\n");
 			return NULL;

drivers/gpu/drm/ast/ast_mode.c

@@ -713,7 +713,7 @@ static struct drm_encoder *ast_best_single_encoder(struct drm_connector *connect
 	int enc_id = connector->encoder_ids[0];
 	/* pick the encoder ids */
 	if (enc_id)
-		return drm_encoder_find(connector->dev, enc_id);
+		return drm_encoder_find(connector->dev, NULL, enc_id);
 	return NULL;
 }
 

drivers/gpu/drm/bochs/bochs_kms.c

@@ -213,7 +213,7 @@ bochs_connector_best_encoder(struct drm_connector *connector)
 	int enc_id = connector->encoder_ids[0];
 	/* pick the encoder ids */
 	if (enc_id)
-		return drm_encoder_find(connector->dev, enc_id);
+		return drm_encoder_find(connector->dev, NULL, enc_id);
 	return NULL;
 }
 

drivers/gpu/drm/bridge/Kconfig

@@ -71,7 +71,7 @@ config DRM_PARADE_PS8622
 
 config DRM_SIL_SII8620
 	tristate "Silicon Image SII8620 HDMI/MHL bridge"
-	depends on OF
+	depends on OF && RC_CORE
 	select DRM_KMS_HELPER
 	help
 	  Silicon Image SII8620 HDMI/MHL bridge chip driver.
@@ -84,6 +84,14 @@ config DRM_SII902X
 	---help---
 	  Silicon Image sii902x bridge chip driver.
 
+config DRM_SII9234
+	tristate "Silicon Image SII9234 HDMI/MHL bridge"
+	depends on OF
+	---help---
+	  Say Y here if you want support for the MHL interface.
+	  It is an I2C driver, that detects connection of MHL bridge
+	  and starts encapsulation of HDMI signal.
+
 config DRM_TOSHIBA_TC358767
 	tristate "Toshiba TC358767 eDP bridge"
 	depends on OF

drivers/gpu/drm/bridge/Makefile

@@ -6,6 +6,7 @@ obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o
 obj-$(CONFIG_DRM_PARADE_PS8622) += parade-ps8622.o
 obj-$(CONFIG_DRM_SIL_SII8620) += sil-sii8620.o
 obj-$(CONFIG_DRM_SII902X) += sii902x.o
+obj-$(CONFIG_DRM_SII9234) += sii9234.o
 obj-$(CONFIG_DRM_TOSHIBA_TC358767) += tc358767.o
 obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix/
 obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511/

drivers/gpu/drm/bridge/adv7511/Kconfig

@@ -21,3 +21,11 @@ config DRM_I2C_ADV7533
 	default y
 	help
 	  Support for the Analog Devices ADV7533 DSI to HDMI encoder.
+
+config DRM_I2C_ADV7511_CEC
+	bool "ADV7511/33 HDMI CEC driver"
+	depends on DRM_I2C_ADV7511
+	select CEC_CORE
+	default y
+	help
+	  When selected the HDMI transmitter will support the CEC feature.

drivers/gpu/drm/bridge/adv7511/Makefile

@@ -1,4 +1,5 @@
 adv7511-y := adv7511_drv.o
 adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o
+adv7511-$(CONFIG_DRM_I2C_ADV7511_CEC) += adv7511_cec.o
 adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o
 obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o