Merge 0dfc70818a ("Merge tag 'drm-misc-next-2021-09-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next") into android-mainline

Steps on the way to 5.16-rc1

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I272d0d7715f18a76620785eb5f2ec0591cd07a6c

drivers/dma-buf/heaps/system_heap.c

@@ -45,11 +45,12 @@ struct dma_heap_attachment {
 	bool uncached;
 };
 
+#define LOW_ORDER_GFP (GFP_HIGHUSER | __GFP_ZERO | __GFP_COMP)
+#define MID_ORDER_GFP (LOW_ORDER_GFP | __GFP_NOWARN)
 #define HIGH_ORDER_GFP  (((GFP_HIGHUSER | __GFP_ZERO | __GFP_NOWARN \
 				| __GFP_NORETRY) & ~__GFP_RECLAIM) \
 				| __GFP_COMP)
-#define LOW_ORDER_GFP (GFP_HIGHUSER | __GFP_ZERO | __GFP_COMP)
-static gfp_t order_flags[] = {HIGH_ORDER_GFP, LOW_ORDER_GFP, LOW_ORDER_GFP};
+static gfp_t order_flags[] = {HIGH_ORDER_GFP, MID_ORDER_GFP, LOW_ORDER_GFP};
 /*
  * The selection of the orders used for allocation (1MB, 64K, 4K) is designed
  * to match with the sizes often found in IOMMUs. Using order 4 pages instead

drivers/gpu/drm/drm_bridge.c

@@ -28,6 +28,7 @@
 #include <drm/drm_atomic_state_helper.h>
 #include <drm/drm_bridge.h>
 #include <drm/drm_encoder.h>
+#include <drm/drm_of.h>
 #include <drm/drm_print.h>
 
 #include "drm_crtc_internal.h"
@@ -51,10 +52,8 @@
  *
  * Display drivers are responsible for linking encoders with the first bridge
  * in the chains. This is done by acquiring the appropriate bridge with
- * of_drm_find_bridge() or drm_of_find_panel_or_bridge(), or creating it for a
- * panel with drm_panel_bridge_add_typed() (or the managed version
- * devm_drm_panel_bridge_add_typed()). Once acquired, the bridge shall be
- * attached to the encoder with a call to drm_bridge_attach().
+ * devm_drm_of_get_bridge(). Once acquired, the bridge shall be attached to the
+ * encoder with a call to drm_bridge_attach().
  *
  * Bridges are responsible for linking themselves with the next bridge in the
  * chain, if any. This is done the same way as for encoders, with the call to
@@ -1233,6 +1232,40 @@ struct drm_bridge *of_drm_find_bridge(struct device_node *np)
 	return NULL;
 }
 EXPORT_SYMBOL(of_drm_find_bridge);
+
+/**
+ * devm_drm_of_get_bridge - Return next bridge in the chain
+ * @dev: device to tie the bridge lifetime to
+ * @np: device tree node containing encoder output ports
+ * @port: port in the device tree node
+ * @endpoint: endpoint in the device tree node
+ *
+ * Given a DT node's port and endpoint number, finds the connected node
+ * and returns the associated bridge if any, or creates and returns a
+ * drm panel bridge instance if a panel is connected.
+ *
+ * Returns a pointer to the bridge if successful, or an error pointer
+ * otherwise.
+ */
+struct drm_bridge *devm_drm_of_get_bridge(struct device *dev,
+					  struct device_node *np,
+					  u32 port, u32 endpoint)
+{
+	struct drm_bridge *bridge;
+	struct drm_panel *panel;
+	int ret;
+
+	ret = drm_of_find_panel_or_bridge(np, port, endpoint,
+					  &panel, &bridge);
+	if (ret)
+		return ERR_PTR(ret);
+
+	if (panel)
+		bridge = devm_drm_panel_bridge_add(dev, panel);
+
+	return bridge;
+}
+EXPORT_SYMBOL(devm_drm_of_get_bridge);
 #endif
 
 MODULE_AUTHOR("Ajay Kumar <ajaykumar.rs@samsung.com>");

drivers/gpu/drm/drm_of.c

@@ -231,6 +231,9 @@ EXPORT_SYMBOL_GPL(drm_of_encoder_active_endpoint);
  * return either the associated struct drm_panel or drm_bridge device. Either
  * @panel or @bridge must not be NULL.
  *
+ * This function is deprecated and should not be used in new drivers. Use
+ * devm_drm_of_get_bridge() instead.
+ *
  * Returns zero if successful, or one of the standard error codes if it fails.
  */
 int drm_of_find_panel_or_bridge(const struct device_node *np,

drivers/gpu/drm/qxl/qxl_release.c

@@ -36,10 +36,10 @@
 /* manage releaseables */
 /* stack them 16 high for now -drawable object is 191 */
 #define RELEASE_SIZE 256
-#define RELEASES_PER_BO (4096 / RELEASE_SIZE)
+#define RELEASES_PER_BO (PAGE_SIZE / RELEASE_SIZE)
 /* put an alloc/dealloc surface cmd into one bo and round up to 128 */
 #define SURFACE_RELEASE_SIZE 128
-#define SURFACE_RELEASES_PER_BO (4096 / SURFACE_RELEASE_SIZE)
+#define SURFACE_RELEASES_PER_BO (PAGE_SIZE / SURFACE_RELEASE_SIZE)
 
 static const int release_size_per_bo[] = { RELEASE_SIZE, SURFACE_RELEASE_SIZE, RELEASE_SIZE };
 static const int releases_per_bo[] = { RELEASES_PER_BO, SURFACE_RELEASES_PER_BO, RELEASES_PER_BO };

drivers/gpu/drm/scheduler/sched_main.c

@@ -827,15 +827,6 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
 {
 	struct drm_sched_job *job, *next;
 
-	/*
-	 * Don't destroy jobs while the timeout worker is running  OR thread
-	 * is being parked and hence assumed to not touch pending_list
-	 */
-	if ((sched->timeout != MAX_SCHEDULE_TIMEOUT &&
-	    !cancel_delayed_work(&sched->work_tdr)) ||
-	    kthread_should_park())
-		return NULL;
-
 	spin_lock(&sched->job_list_lock);
 
 	job = list_first_entry_or_null(&sched->pending_list,
@@ -844,17 +835,21 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
 	if (job && dma_fence_is_signaled(&job->s_fence->finished)) {
 		/* remove job from pending_list */
 		list_del_init(&job->list);
+
+		/* cancel this job's TO timer */
+		cancel_delayed_work(&sched->work_tdr);
 		/* make the scheduled timestamp more accurate */
 		next = list_first_entry_or_null(&sched->pending_list,
 						typeof(*next), list);
-		if (next)
+
+		if (next) {
 			next->s_fence->scheduled.timestamp =
 				job->s_fence->finished.timestamp;
-
+			/* start TO timer for next job */
+			drm_sched_start_timeout(sched);
+		}
 	} else {
 		job = NULL;
-		/* queue timeout for next job */
-		drm_sched_start_timeout(sched);
 	}
 
 	spin_unlock(&sched->job_list_lock);
@@ -942,11 +937,8 @@ static int drm_sched_main(void *param)
 					  (entity = drm_sched_select_entity(sched))) ||
 					 kthread_should_stop());
 
-		if (cleanup_job) {
+		if (cleanup_job)
 			sched->ops->free_job(cleanup_job);
-			/* queue timeout for next job */
-			drm_sched_start_timeout(sched);
-		}
 
 		if (!entity)
 			continue;

drivers/gpu/drm/tiny/bochs.c

@@ -63,6 +63,7 @@ MODULE_PARM_DESC(defy, "default y resolution");
 
 enum bochs_types {
 	BOCHS_QEMU_STDVGA,
+	BOCHS_SIMICS,
 	BOCHS_UNKNOWN,
 };
 
@@ -695,6 +696,13 @@ static const struct pci_device_id bochs_pci_tbl[] = {
 		.subdevice   = PCI_ANY_ID,
 		.driver_data = BOCHS_UNKNOWN,
 	},
+	{
+		.vendor      = 0x4321,
+		.device      = 0x1111,
+		.subvendor   = PCI_ANY_ID,
+		.subdevice   = PCI_ANY_ID,
+		.driver_data = BOCHS_SIMICS,
+	},
 	{ /* end of list */ }
 };
 

drivers/gpu/drm/v3d/v3d_gem.c

@@ -197,8 +197,8 @@ v3d_clean_caches(struct v3d_dev *v3d)
 
 	V3D_CORE_WRITE(core, V3D_CTL_L2TCACTL, V3D_L2TCACTL_TMUWCF);
 	if (wait_for(!(V3D_CORE_READ(core, V3D_CTL_L2TCACTL) &
-		       V3D_L2TCACTL_L2TFLS), 100)) {
-		DRM_ERROR("Timeout waiting for L1T write combiner flush\n");
+		       V3D_L2TCACTL_TMUWCF), 100)) {
+		DRM_ERROR("Timeout waiting for TMU write combiner flush\n");
 	}
 
 	mutex_lock(&v3d->cache_clean_lock);

drivers/gpu/drm/vc4/vc4_dpi.c

@@ -229,26 +229,19 @@ static const struct of_device_id vc4_dpi_dt_match[] = {
 static int vc4_dpi_init_bridge(struct vc4_dpi *dpi)
 {
 	struct device *dev = &dpi->pdev->dev;
-	struct drm_panel *panel;
 	struct drm_bridge *bridge;
-	int ret;
 
-	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
-					  &panel, &bridge);
-	if (ret) {
+	bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0);
+	if (IS_ERR(bridge)) {
 		/* If nothing was connected in the DT, that's not an
 		 * error.
 		 */
-		if (ret == -ENODEV)
+		if (PTR_ERR(bridge) == -ENODEV)
 			return 0;
 		else
-			return ret;
+			return PTR_ERR(bridge);
 	}
 
-	if (panel)
-		bridge = drm_panel_bridge_add_typed(panel,
-						    DRM_MODE_CONNECTOR_DPI);
-
 	return drm_bridge_attach(dpi->encoder, bridge, NULL, 0);
 }
 

drivers/gpu/drm/vc4/vc4_dsi.c

@@ -1497,7 +1497,6 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data)
 	struct drm_device *drm = dev_get_drvdata(master);
 	struct vc4_dsi *dsi = dev_get_drvdata(dev);
 	struct vc4_dsi_encoder *vc4_dsi_encoder;
-	struct drm_panel *panel;
 	const struct of_device_id *match;
 	dma_cap_mask_t dma_mask;
 	int ret;
@@ -1609,27 +1608,9 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data)
 		return ret;
 	}
 
-	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0,
-					  &panel, &dsi->bridge);
-	if (ret) {
-		/* If the bridge or panel pointed by dev->of_node is not
-		 * enabled, just return 0 here so that we don't prevent the DRM
-		 * dev from being registered. Of course that means the DSI
-		 * encoder won't be exposed, but that's not a problem since
-		 * nothing is connected to it.
-		 */
-		if (ret == -ENODEV)
-			return 0;
-
-		return ret;
-	}
-
-	if (panel) {
-		dsi->bridge = devm_drm_panel_bridge_add_typed(dev, panel,
-							      DRM_MODE_CONNECTOR_DSI);
-		if (IS_ERR(dsi->bridge))
-			return PTR_ERR(dsi->bridge);
-	}
+	dsi->bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0);
+	if (IS_ERR(dsi->bridge))
+		return PTR_ERR(dsi->bridge);
 
 	/* The esc clock rate is supposed to always be 100Mhz. */
 	ret = clk_set_rate(dsi->escape_clock, 100 * 1000000);
@@ -1667,8 +1648,7 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master,
 {
 	struct vc4_dsi *dsi = dev_get_drvdata(dev);
 
-	if (dsi->bridge)
-		pm_runtime_disable(dev);
+	pm_runtime_disable(dev);
 
 	/*
 	 * Restore the bridge_chain so the bridge detach procedure can happen

include/drm/drm_bridge.h

@@ -911,6 +911,8 @@ struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
 struct drm_bridge *devm_drm_panel_bridge_add_typed(struct device *dev,
 						   struct drm_panel *panel,
 						   u32 connector_type);
+struct drm_bridge *devm_drm_of_get_bridge(struct device *dev, struct device_node *node,
+					  u32 port, u32 endpoint);
 struct drm_connector *drm_panel_bridge_connector(struct drm_bridge *bridge);
 #endif