Merge tag 'drm-misc-next-fixes-2019-05-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

- A handful of fixes from -next that just missed feature freeze
- More panfrost fixes that went directly in -misc-next-fixes (various)
- Fix searchpaths during build (Masahiro)
- msm patch to fix the driver for chips without zap shader (Rob)
- Fix freeing imported buffers in drm_gem_cma_free_object() (Noralf)

Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Rob Clark <robdclark@chromium.org>
Cc: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190508205153.GA91135@art_vandelay

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -23,7 +23,7 @@
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
 
-FULL_AMD_PATH=$(src)/..
+FULL_AMD_PATH=$(srctree)/$(src)/..
 DISPLAY_FOLDER_NAME=display
 FULL_AMD_DISPLAY_PATH = $(FULL_AMD_PATH)/$(DISPLAY_FOLDER_NAME)
 

drivers/gpu/drm/arm/display/komeda/Makefile

@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 
 ccflags-y := \
-	-I$(src)/../include \
+	-I $(srctree)/$(src)/../include \
-	-I$(src)
+	-I $(srctree)/$(src)
 
 komeda-y := \
 	komeda_drv.o \

drivers/gpu/drm/drm_connector.c

@@ -1416,12 +1416,6 @@ EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
  *
  *	The driver may place further restrictions within these minimum
  *	and maximum bounds.
- *
- *	The semantics for the vertical blank timestamp differ when
- *	variable refresh rate is active. The vertical blank timestamp
- *	is defined to be an estimate using the current mode's fixed
- *	refresh rate timings. The semantics for the page-flip event
- *	timestamp remain the same.
  */
 
 /**

drivers/gpu/drm/drm_gem_cma_helper.c

@@ -186,13 +186,13 @@ void drm_gem_cma_free_object(struct drm_gem_object *gem_obj)
 
 	cma_obj = to_drm_gem_cma_obj(gem_obj);
 
-	if (cma_obj->vaddr) {
+	if (gem_obj->import_attach) {
-		dma_free_wc(gem_obj->dev->dev, cma_obj->base.size,
-			    cma_obj->vaddr, cma_obj->paddr);
-	} else if (gem_obj->import_attach) {
 		if (cma_obj->vaddr)
 			dma_buf_vunmap(gem_obj->import_attach->dmabuf, cma_obj->vaddr);
 		drm_prime_gem_destroy(gem_obj, cma_obj->sgt);
+	} else if (cma_obj->vaddr) {
+		dma_free_wc(gem_obj->dev->dev, cma_obj->base.size,
+			    cma_obj->vaddr, cma_obj->paddr);
 	}
 
 	drm_gem_object_release(gem_obj);

drivers/gpu/drm/i915/gvt/Makefile

@@ -5,5 +5,5 @@ GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \
 	execlist.o scheduler.o sched_policy.o mmio_context.o cmd_parser.o debugfs.o \
 	fb_decoder.o dmabuf.o page_track.o
 
-ccflags-y				+= -I$(src) -I$(src)/$(GVT_DIR)
+ccflags-y				+= -I $(srctree)/$(src) -I $(srctree)/$(src)/$(GVT_DIR)/
 i915-y					+= $(addprefix $(GVT_DIR)/, $(GVT_SOURCE))

drivers/gpu/drm/msm/Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
-ccflags-y := -Idrivers/gpu/drm/msm
+ccflags-y := -I $(srctree)/$(src)
-ccflags-y += -Idrivers/gpu/drm/msm/disp/dpu1
+ccflags-y += -I $(srctree)/$(src)/disp/dpu1
-ccflags-$(CONFIG_DRM_MSM_DSI) += -Idrivers/gpu/drm/msm/dsi
+ccflags-$(CONFIG_DRM_MSM_DSI) += -I $(srctree)/$(src)/dsi
 
 msm-y := \
 	adreno/adreno_device.o \

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

@@ -527,6 +527,7 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
 		dev_warn_once(gpu->dev->dev,
 			"Zap shader not enabled - using SECVID_TRUST_CNTL instead\n");
 		gpu_write(gpu, REG_A6XX_RBBM_SECVID_TRUST_CNTL, 0x0);
+		ret = 0;
 	}
 
 out:

drivers/gpu/drm/nouveau/Kbuild

@@ -1,7 +1,7 @@
-ccflags-y += -I$(src)/include
+ccflags-y += -I $(srctree)/$(src)/include
-ccflags-y += -I$(src)/include/nvkm
+ccflags-y += -I $(srctree)/$(src)/include/nvkm
-ccflags-y += -I$(src)/nvkm
+ccflags-y += -I $(srctree)/$(src)/nvkm
-ccflags-y += -I$(src)
+ccflags-y += -I $(srctree)/$(src)
 
 # NVKM - HW resource manager
 #- code also used by various userspace tools/tests

drivers/gpu/drm/panfrost/Kconfig

@@ -3,7 +3,7 @@
 config DRM_PANFROST
 	tristate "Panfrost (DRM support for ARM Mali Midgard/Bifrost GPUs)"
 	depends on DRM
-	depends on ARM || ARM64 || COMPILE_TEST
+	depends on ARM || ARM64 || (COMPILE_TEST && !GENERIC_ATOMIC64)
 	depends on MMU
 	select DRM_SCHED
 	select IOMMU_SUPPORT

drivers/gpu/drm/panfrost/panfrost_devfreq.c

@@ -7,6 +7,7 @@
 #include <linux/regulator/consumer.h>
 
 #include "panfrost_device.h"
+#include "panfrost_devfreq.h"
 #include "panfrost_features.h"
 #include "panfrost_issues.h"
 #include "panfrost_gpu.h"

drivers/gpu/drm/panfrost/panfrost_device.c

@@ -98,6 +98,7 @@ int panfrost_device_init(struct panfrost_device *pfdev)
 	struct resource *res;
 
 	mutex_init(&pfdev->sched_lock);
+	mutex_init(&pfdev->reset_lock);
 	INIT_LIST_HEAD(&pfdev->scheduled_jobs);
 
 	spin_lock_init(&pfdev->hwaccess_lock);

drivers/gpu/drm/panfrost/panfrost_device.h

@@ -78,6 +78,7 @@ struct panfrost_device {
 	struct list_head scheduled_jobs;
 
 	struct mutex sched_lock;
+	struct mutex reset_lock;
 
 	struct {
 		struct devfreq *devfreq;

drivers/gpu/drm/panfrost/panfrost_drv.c

@@ -3,8 +3,6 @@
 /* Copyright 2019 Linaro, Ltd., Rob Herring <robh@kernel.org> */
 /* Copyright 2019 Collabora ltd. */
 
-#include <linux/bitfield.h>
-#include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/of_platform.h>
 #include <linux/pagemap.h>
@@ -172,13 +170,27 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data,
 {
 	struct panfrost_device *pfdev = dev->dev_private;
 	struct drm_panfrost_submit *args = data;
-	struct drm_syncobj *sync_out;
+	struct drm_syncobj *sync_out = NULL;
 	struct panfrost_job *job;
 	int ret = 0;
 
+	if (!args->jc)
+		return -EINVAL;
+
+	if (args->requirements && args->requirements != PANFROST_JD_REQ_FS)
+		return -EINVAL;
+
+	if (args->out_sync > 0) {
+		sync_out = drm_syncobj_find(file, args->out_sync);
+		if (!sync_out)
+			return -ENODEV;
+	}
+
 	job = kzalloc(sizeof(*job), GFP_KERNEL);
-	if (!job)
+	if (!job) {
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto fail_out_sync;
+	}
 
 	kref_init(&job->refcount);
 
@@ -190,25 +202,24 @@ static int panfrost_ioctl_submit(struct drm_device *dev, void *data,
 
 	ret = panfrost_copy_in_sync(dev, file, args, job);
 	if (ret)
-		goto fail;
+		goto fail_job;
 
 	ret = panfrost_lookup_bos(dev, file, args, job);
 	if (ret)
-		goto fail;
+		goto fail_job;
 
 	ret = panfrost_job_push(job);
 	if (ret)
-		goto fail;
+		goto fail_job;
 
 	/* Update the return sync object for the job */
-	sync_out = drm_syncobj_find(file, args->out_sync);
+	if (sync_out)
-	if (sync_out) {
 		drm_syncobj_replace_fence(sync_out, job->render_done_fence);
-		drm_syncobj_put(sync_out);
-	}
 
-fail:
+fail_job:
 	panfrost_job_put(job);
+fail_out_sync:
+	drm_syncobj_put(sync_out);
 
 	return ret;
 }
@@ -384,15 +395,14 @@ static int panfrost_probe(struct platform_device *pdev)
 
 	err = panfrost_device_init(pfdev);
 	if (err) {
+		if (err != -EPROBE_DEFER)
 			dev_err(&pdev->dev, "Fatal error during GPU init\n");
 		goto err_out0;
 	}
 
-	dma_set_mask_and_coherent(pfdev->dev,
-		DMA_BIT_MASK(FIELD_GET(0xff00, pfdev->features.mmu_features)));
-
 	err = panfrost_devfreq_init(pfdev);
 	if (err) {
+		if (err != -EPROBE_DEFER)
 			dev_err(&pdev->dev, "Fatal error during devfreq init\n");
 		goto err_out1;
 	}
@@ -410,6 +420,7 @@ static int panfrost_probe(struct platform_device *pdev)
 err_out1:
 	panfrost_device_fini(pfdev);
 err_out0:
+	pm_runtime_disable(pfdev->dev);
 	drm_dev_put(ddev);
 	return err;
 }

drivers/gpu/drm/panfrost/panfrost_gem.c

@@ -14,7 +14,7 @@
 /* Called DRM core on the last userspace/kernel unreference of the
  * BO.
  */
-void panfrost_gem_free_object(struct drm_gem_object *obj)
+static void panfrost_gem_free_object(struct drm_gem_object *obj)
 {
 	struct panfrost_gem_object *bo = to_panfrost_bo(obj);
 	struct panfrost_device *pfdev = obj->dev->dev_private;

drivers/gpu/drm/panfrost/panfrost_gpu.c

@@ -2,8 +2,10 @@
 /* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */
 /* Copyright 2019 Linaro, Ltd., Rob Herring <robh@kernel.org> */
 /* Copyright 2019 Collabora ltd. */
+#include <linux/bitfield.h>
 #include <linux/bitmap.h>
 #include <linux/delay.h>
+#include <linux/dma-mapping.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
@@ -276,13 +278,13 @@ static void panfrost_gpu_init_features(struct panfrost_device *pfdev)
 		 pfdev->features.hw_issues);
 
 	dev_info(pfdev->dev, "Features: L2:0x%08x Shader:0x%08x Tiler:0x%08x Mem:0x%0x MMU:0x%08x AS:0x%x JS:0x%x",
-		 gpu_read(pfdev, GPU_L2_FEATURES),
+		 pfdev->features.l2_features,
-		 gpu_read(pfdev, GPU_CORE_FEATURES),
+		 pfdev->features.core_features,
-		 gpu_read(pfdev, GPU_TILER_FEATURES),
+		 pfdev->features.tiler_features,
-		 gpu_read(pfdev, GPU_MEM_FEATURES),
+		 pfdev->features.mem_features,
-		 gpu_read(pfdev, GPU_MMU_FEATURES),
+		 pfdev->features.mmu_features,
-		 gpu_read(pfdev, GPU_AS_PRESENT),
+		 pfdev->features.as_present,
-		 gpu_read(pfdev, GPU_JS_PRESENT));
+		 pfdev->features.js_present);
 
 	dev_info(pfdev->dev, "shader_present=0x%0llx l2_present=0x%0llx",
 		 pfdev->features.shader_present, pfdev->features.l2_present);
@@ -332,6 +334,9 @@ int panfrost_gpu_init(struct panfrost_device *pfdev)
 
 	panfrost_gpu_init_features(pfdev);
 
+	dma_set_mask_and_coherent(pfdev->dev,
+		DMA_BIT_MASK(FIELD_GET(0xff00, pfdev->features.mmu_features)));
+
 	irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "gpu");
 	if (irq <= 0)
 		return -ENODEV;

drivers/gpu/drm/panfrost/panfrost_job.c

@@ -384,6 +384,8 @@ static void panfrost_job_timedout(struct drm_sched_job *sched_job)
 		job_read(pfdev, JS_TAIL_LO(js)),
 		sched_job);
 
+	mutex_lock(&pfdev->reset_lock);
+
 	for (i = 0; i < NUM_JOB_SLOTS; i++)
 		drm_sched_stop(&pfdev->js->queue[i].sched);
 
@@ -406,6 +408,8 @@ static void panfrost_job_timedout(struct drm_sched_job *sched_job)
 	/* restart scheduler after GPU is usable again */
 	for (i = 0; i < NUM_JOB_SLOTS; i++)
 		drm_sched_start(&pfdev->js->queue[i].sched, true);
+
+	mutex_unlock(&pfdev->reset_lock);
 }
 
 static const struct drm_sched_backend_ops panfrost_sched_ops = {

drivers/gpu/drm/rockchip/rockchip_drm_drv.c

@@ -448,6 +448,14 @@ static int rockchip_drm_platform_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static void rockchip_drm_platform_shutdown(struct platform_device *pdev)
+{
+	struct drm_device *drm = platform_get_drvdata(pdev);
+
+	if (drm)
+		drm_atomic_helper_shutdown(drm);
+}
+
 static const struct of_device_id rockchip_drm_dt_ids[] = {
 	{ .compatible = "rockchip,display-subsystem", },
 	{ /* sentinel */ },
@@ -457,6 +465,7 @@ MODULE_DEVICE_TABLE(of, rockchip_drm_dt_ids);
 static struct platform_driver rockchip_drm_platform_driver = {
 	.probe = rockchip_drm_platform_probe,
 	.remove = rockchip_drm_platform_remove,
+	.shutdown = rockchip_drm_platform_shutdown,
 	.driver = {
 		.name = "rockchip-drm",
 		.of_match_table = rockchip_drm_dt_ids,