Backmerge tag 'v4.13-rc5' into drm-next

Linux 4.13-rc5

There's a really nasty nouveau collision, hopefully someone can take a look
once I pushed this out.

76 files changed, 494 insertions, 393 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index 38f739fb727b..6558a3ed57a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -359,7 +359,7 @@ void amdgpu_mn_unregister(struct amdgpu_bo *bo)
 	head = bo->mn_list.next;
 
 	bo->mn = NULL;
-	list_del(&bo->mn_list);
+	list_del_init(&bo->mn_list);
 
 	if (list_empty(head)) {
 		struct amdgpu_mn_node *node;
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index 812a24dd1204..8284d5dbfc30 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -1413,6 +1413,7 @@ static void si_init_golden_registers(struct amdgpu_device *adev)
 		amdgpu_program_register_sequence(adev,
 						 pitcairn_mgcg_cgcg_init,
 						 (const u32)ARRAY_SIZE(pitcairn_mgcg_cgcg_init));
+		break;
 	case CHIP_VERDE:
 		amdgpu_program_register_sequence(adev,
 						 verde_golden_registers,
@@ -1437,6 +1438,7 @@ static void si_init_golden_registers(struct amdgpu_device *adev)
 		amdgpu_program_register_sequence(adev,
 						 oland_mgcg_cgcg_init,
 						 (const u32)ARRAY_SIZE(oland_mgcg_cgcg_init));
+		break;
 	case CHIP_HAINAN:
 		amdgpu_program_register_sequence(adev,
 						 hainan_golden_registers,
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c
index 503252d6a74d..8571cfd877c5 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1254,7 +1254,7 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 	/* port@2 is the output port */
 	ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &tc->panel, NULL);
-	if (ret)
+	if (ret && ret != -ENODEV)
 		return ret;
 
 	/* Shut down GPIO is optional */
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index 213fb837e1c4..08af8d6b844b 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -544,7 +544,7 @@ void drm_dp_downstream_debug(struct seq_file *m,
 				 DP_DETAILED_CAP_INFO_AVAILABLE;
 	int clk;
 	int bpc;
-	char id[6];
+	char id[7];
 	int len;
 	uint8_t rev[2];
 	int type = port_cap[0] & DP_DS_PORT_TYPE_MASK;
@@ -583,6 +583,7 @@ void drm_dp_downstream_debug(struct seq_file *m,
 		seq_puts(m, "\t\tType: N/A\n");
 	}
 
+	memset(id, 0, sizeof(id));
 	drm_dp_downstream_id(aux, id);
 	seq_printf(m, "\t\tID: %s\n", id);
 
@@ -591,7 +592,7 @@ void drm_dp_downstream_debug(struct seq_file *m,
 		seq_printf(m, "\t\tHW: %d.%d\n",
 			   (rev[0] & 0xf0) >> 4, rev[0] & 0xf);
 
-	len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, &rev, 2);
+	len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, rev, 2);
 	if (len > 0)
 		seq_printf(m, "\t\tSW: %d.%d\n", rev[0], rev[1]);
 
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 5bd93169dac2..6463fc2c736f 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -270,8 +270,8 @@ static int submit_reloc(struct etnaviv_gem_submit *submit, void *stream,
 		if (ret)
 			return ret;
 
-		if (r->reloc_offset >= bo->obj->base.size - sizeof(*ptr)) {
-			DRM_ERROR("relocation %u outside object", i);
+		if (r->reloc_offset > bo->obj->base.size - sizeof(*ptr)) {
+			DRM_ERROR("relocation %u outside object\n", i);
 			return -EINVAL;
 		}
 
diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index 1d185347c64c..305dc3d4ff77 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -75,6 +75,7 @@ config DRM_EXYNOS_DP
 config DRM_EXYNOS_HDMI
 	bool "HDMI"
 	depends on DRM_EXYNOS_MIXER || DRM_EXYNOS5433_DECON
+	select CEC_CORE if CEC_NOTIFIER
 	help
 	  Choose this option if you want to use Exynos HDMI for DRM.
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index cab9e12d7846..facc8419f0cd 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -455,7 +455,6 @@ static int exynos_drm_platform_probe(struct platform_device *pdev)
 	struct component_match *match;
 
 	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-	exynos_drm_driver.num_ioctls = ARRAY_SIZE(exynos_ioctls);
 
 	match = exynos_drm_match_add(&pdev->dev);
 	if (IS_ERR(match))
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 4ea7cc7cb3de..c399dc9b325f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1649,8 +1649,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
 		return ret;
 
 	dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
-	if (!dsi->bridge_node)
-		return -EINVAL;
 
 	return 0;
 }
@@ -1685,9 +1683,11 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
-	bridge = of_drm_find_bridge(dsi->bridge_node);
-	if (bridge)
-		drm_bridge_attach(encoder, bridge, NULL);
+	if (dsi->bridge_node) {
+		bridge = of_drm_find_bridge(dsi->bridge_node);
+		if (bridge)
+			drm_bridge_attach(encoder, bridge, NULL);
+	}
 
 	return mipi_dsi_host_register(&dsi->dsi_host);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index ed1a648d518c..6592f50d460a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -145,13 +145,19 @@ static struct drm_framebuffer *
 exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 		      const struct drm_mode_fb_cmd2 *mode_cmd)
 {
+	const struct drm_format_info *info = drm_get_format_info(dev, mode_cmd);
 	struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER];
 	struct drm_gem_object *obj;
 	struct drm_framebuffer *fb;
 	int i;
 	int ret;
 
-	for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) {
+	for (i = 0; i < info->num_planes; i++) {
+		unsigned int height = (i == 0) ? mode_cmd->height :
+				     DIV_ROUND_UP(mode_cmd->height, info->vsub);
+		unsigned long size = height * mode_cmd->pitches[i] +
+				     mode_cmd->offsets[i];
+
 		obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
 		if (!obj) {
 			DRM_ERROR("failed to lookup gem object\n");
@@ -160,6 +166,12 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 		}
 
 		exynos_gem[i] = to_exynos_gem(obj);
+
+		if (size > exynos_gem[i]->size) {
+			i++;
+			ret = -EINVAL;
+			goto err;
+		}
 	}
 
 	fb = exynos_drm_framebuffer_init(dev, mode_cmd, exynos_gem, i);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index e45720543a45..16bbee897e0d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -340,16 +340,10 @@ static int exynos_mic_bind(struct device *dev, struct device *master,
 			   void *data)
 {
 	struct exynos_mic *mic = dev_get_drvdata(dev);
-	int ret;
 
-	mic->bridge.funcs = &mic_bridge_funcs;
-	mic->bridge.of_node = dev->of_node;
 	mic->bridge.driver_private = mic;
-	ret = drm_bridge_add(&mic->bridge);
-	if (ret)
-		DRM_ERROR("mic: Failed to add MIC to the global bridge list\n");
 
-	return ret;
+	return 0;
 }
 
 static void exynos_mic_unbind(struct device *dev, struct device *master,
@@ -365,8 +359,6 @@ static void exynos_mic_unbind(struct device *dev, struct device *master,
 
 already_disabled:
 	mutex_unlock(&mic_mutex);
-
-	drm_bridge_remove(&mic->bridge);
 }
 
 static const struct component_ops exynos_mic_component_ops = {
@@ -461,6 +453,15 @@ static int exynos_mic_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, mic);
 
+	mic->bridge.funcs = &mic_bridge_funcs;
+	mic->bridge.of_node = dev->of_node;
+
+	ret = drm_bridge_add(&mic->bridge);
+	if (ret) {
+		DRM_ERROR("mic: Failed to add MIC to the global bridge list\n");
+		return ret;
+	}
+
 	pm_runtime_enable(dev);
 
 	ret = component_add(dev, &exynos_mic_component_ops);
@@ -479,8 +480,13 @@ err:
 
 static int exynos_mic_remove(struct platform_device *pdev)
 {
+	struct exynos_mic *mic = platform_get_drvdata(pdev);
+
 	component_del(&pdev->dev, &exynos_mic_component_ops);
 	pm_runtime_disable(&pdev->dev);
+
+	drm_bridge_remove(&mic->bridge);
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 0e2a472c3021..d70eeb8c5f75 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1500,8 +1500,6 @@ static void hdmi_disable(struct drm_encoder *encoder)
 	 */
 	cancel_delayed_work(&hdata->hotplug_work);
 	cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID);
-
-	hdmiphy_disable(hdata);
 }
 
 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
@@ -1675,7 +1673,7 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
 	return hdmi_bridge_init(hdata);
 }
 
-static struct of_device_id hdmi_match_types[] = {
+static const struct of_device_id hdmi_match_types[] = {
 	{
 		.compatible = "samsung,exynos4210-hdmi",
 		.data = &exynos4210_hdmi_driver_data,
@@ -1933,8 +1931,7 @@ static int hdmi_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int exynos_hdmi_suspend(struct device *dev)
+static int __maybe_unused exynos_hdmi_suspend(struct device *dev)
 {
 	struct hdmi_context *hdata = dev_get_drvdata(dev);
 
@@ -1943,7 +1940,7 @@ static int exynos_hdmi_suspend(struct device *dev)
 	return 0;
 }
 
-static int exynos_hdmi_resume(struct device *dev)
+static int __maybe_unused exynos_hdmi_resume(struct device *dev)
 {
 	struct hdmi_context *hdata = dev_get_drvdata(dev);
 	int ret;
@@ -1954,7 +1951,6 @@ static int exynos_hdmi_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
 static const struct dev_pm_ops exynos_hdmi_pm_ops = {
 	SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 6bed4f3ffcd6..a998a8dd783c 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1094,28 +1094,28 @@ static const struct exynos_drm_crtc_ops mixer_crtc_ops = {
 	.atomic_check		= mixer_atomic_check,
 };
 
-static struct mixer_drv_data exynos5420_mxr_drv_data = {
+static const struct mixer_drv_data exynos5420_mxr_drv_data = {
 	.version = MXR_VER_128_0_0_184,
 	.is_vp_enabled = 0,
 };
 
-static struct mixer_drv_data exynos5250_mxr_drv_data = {
+static const struct mixer_drv_data exynos5250_mxr_drv_data = {
 	.version = MXR_VER_16_0_33_0,
 	.is_vp_enabled = 0,
 };
 
-static struct mixer_drv_data exynos4212_mxr_drv_data = {
+static const struct mixer_drv_data exynos4212_mxr_drv_data = {
 	.version = MXR_VER_0_0_0_16,
 	.is_vp_enabled = 1,
 };
 
-static struct mixer_drv_data exynos4210_mxr_drv_data = {
+static const struct mixer_drv_data exynos4210_mxr_drv_data = {
 	.version = MXR_VER_0_0_0_16,
 	.is_vp_enabled = 1,
 	.has_sclk = 1,
 };
 
-static struct of_device_id mixer_match_types[] = {
+static const struct of_device_id mixer_match_types[] = {
 	{
 		.compatible = "samsung,exynos4210-mixer",
 		.data	= &exynos4210_mxr_drv_data,
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index 2deb05f618fb..7cb0818a13de 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -323,27 +323,27 @@ void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt)
 {
 	struct intel_gvt_irq *irq = &gvt->irq;
 	struct intel_vgpu *vgpu;
-	bool have_enabled_pipe = false;
 	int pipe, id;
 
 	if (WARN_ON(!mutex_is_locked(&gvt->lock)))
 		return;
 
-	hrtimer_cancel(&irq->vblank_timer.timer);
-
 	for_each_active_vgpu(gvt, vgpu, id) {
 		for (pipe = 0; pipe < I915_MAX_PIPES; pipe++) {
-			have_enabled_pipe =
-				pipe_is_enabled(vgpu, pipe);
-			if (have_enabled_pipe)
-				break;
+			if (pipe_is_enabled(vgpu, pipe))
+				goto out;
 		}
 	}
 
-	if (have_enabled_pipe)
-		hrtimer_start(&irq->vblank_timer.timer,
-			ktime_add_ns(ktime_get(), irq->vblank_timer.period),
-			HRTIMER_MODE_ABS);
+	/* all the pipes are disabled */
+	hrtimer_cancel(&irq->vblank_timer.timer);
+	return;
+
+out:
+	hrtimer_start(&irq->vblank_timer.timer,
+		ktime_add_ns(ktime_get(), irq->vblank_timer.period),
+		HRTIMER_MODE_ABS);
+
 }
 
 static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe)
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index 700050556242..1648887d3f55 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -46,6 +46,8 @@
 #define same_context(a, b) (((a)->context_id == (b)->context_id) && \
 		((a)->lrca == (b)->lrca))
 
+static void clean_workloads(struct intel_vgpu *vgpu, unsigned long engine_mask);
+
 static int context_sw