Merge tag 'drm-misc-next-2021-12-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.17:

UAPI Changes:

Cross-subsystem Changes:

 * dma-buf: Make fences mandatory in dma_resv_add_excl_fence

Core Changes:

 * Move hashtable to legacy code
 * Return error pointers from struct drm_driver.gem_create_object

 * cma-helper: Improve public interfaces; Remove CONFIG_DRM_KMS_CMA_HELPER option
 * mipi-dbi: Don't depend on CMA helpers
 * ttm: Don't include DRM hashtable; Stop prunning fences after wait; Documentation

Driver Changes:

 * aspeed: Select CONFIG_DRM_GEM_CMA_HELPER

 * bridge/lontium-lt9611: Fix HDMI sensing
 * bridge/parade-ps8640: Fixes
 * bridge/sn65dsi86: Defer probe is no dsi host found

 * fsl-dcu: Select CONFIG_DRM_GEM_CMA_HELPER

 * i915: Remove dma_resv_prune

 * omapdrm: Fix scatterlist export; Support virtual planes; Fixes

 * panel: Boe-tv110c9m,Inx-hj110iz: Update init code

 * qxl: Use dma-resv iterator

 * rockchip: Use generic fbdev emulation

 * tidss: Fixes

 * vmwgfx: Fix leak on probe errors; Fail probing on broken hosts; New
   placement for MOB page tables; Hide internal BOs from userspace; Cleanups

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

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YbHskHZc9HoAYuPZ@linux-uq9g.fritz.box

93 files changed, 1685 insertions, 750 deletions

diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c
index ff3c0558b3b8..4deea75c0b9c 100644
--- a/drivers/dma-buf/dma-resv.c
+++ b/drivers/dma-buf/dma-resv.c
@@ -305,8 +305,7 @@ void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence)
 	if (old)
 		i = old->shared_count;
 
-	if (fence)
-		dma_fence_get(fence);
+	dma_fence_get(fence);
 
 	write_seqcount_begin(&obj->seq);
 	/* write_seqcount_begin provides the necessary memory barrier */
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index ae29fcba9e19..b2148919b593 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -217,13 +217,6 @@ config DRM_GEM_CMA_HELPER
 	help
 	  Choose this if you need the GEM CMA helper functions
 
-config DRM_KMS_CMA_HELPER
-	bool
-	depends on DRM
-	select DRM_GEM_CMA_HELPER
-	help
-	  Choose this if you need the KMS CMA helper functions
-
 config DRM_GEM_SHMEM_HELPER
 	tristate
 	depends on DRM && MMU
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index fa16d3e0bbdc..5b49ede0a134 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -6,7 +6,7 @@
 drm-y       :=	drm_aperture.o drm_auth.o drm_cache.o \
 		drm_file.o drm_gem.o drm_ioctl.o \
 		drm_drv.o \
-		drm_sysfs.o drm_hashtab.o drm_mm.o \
+		drm_sysfs.o drm_mm.o \
 		drm_crtc.o drm_fourcc.o drm_modes.o drm_edid.o drm_displayid.o \
 		drm_trace_points.o drm_prime.o \
 		drm_vma_manager.o \
@@ -20,8 +20,8 @@ drm-y       :=	drm_aperture.o drm_auth.o drm_cache.o \
 		drm_managed.o drm_vblank_work.o
 
 drm-$(CONFIG_DRM_LEGACY) += drm_agpsupport.o drm_bufs.o drm_context.o drm_dma.o \
-			    drm_irq.o drm_legacy_misc.o drm_lock.o drm_memory.o \
-			    drm_scatter.o drm_vm.o
+			    drm_hashtab.o drm_irq.o drm_legacy_misc.o drm_lock.o \
+			    drm_memory.o drm_scatter.o drm_vm.o
 drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o
 drm-$(CONFIG_COMPAT) += drm_ioc32.o
 drm-$(CONFIG_DRM_PANEL) += drm_panel.o
@@ -36,6 +36,7 @@ obj-$(CONFIG_DRM_DP_AUX_BUS) += drm_dp_aux_bus.o
 obj-$(CONFIG_DRM_NOMODESET) += drm_nomodeset.o
 
 drm_cma_helper-y := drm_gem_cma_helper.o
+drm_cma_helper-$(CONFIG_DRM_KMS_HELPER) += drm_fb_cma_helper.o
 obj-$(CONFIG_DRM_GEM_CMA_HELPER) += drm_cma_helper.o
 
 drm_shmem_helper-y := drm_gem_shmem_helper.o
@@ -60,7 +61,6 @@ drm_kms_helper-y := drm_bridge_connector.o drm_crtc_helper.o drm_dp_helper.o \
 
 drm_kms_helper-$(CONFIG_DRM_PANEL_BRIDGE) += bridge/panel.o
 drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o
-drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o
 drm_kms_helper-$(CONFIG_DRM_DP_AUX_CHARDEV) += drm_dp_aux_dev.o
 drm_kms_helper-$(CONFIG_DRM_DP_CEC) += drm_dp_cec.o
 
diff --git a/drivers/gpu/drm/arm/Kconfig b/drivers/gpu/drm/arm/Kconfig
index 3a9e966e0e78..58a242871b28 100644
--- a/drivers/gpu/drm/arm/Kconfig
+++ b/drivers/gpu/drm/arm/Kconfig
@@ -6,7 +6,6 @@ config DRM_HDLCD
 	depends on DRM && OF && (ARM || ARM64 || COMPILE_TEST)
 	depends on COMMON_CLK
 	select DRM_KMS_HELPER
-	select DRM_KMS_CMA_HELPER
 	help
 	  Choose this option if you have an ARM High Definition Colour LCD
 	  controller.
@@ -27,7 +26,6 @@ config DRM_MALI_DISPLAY
 	depends on DRM && OF && (ARM || ARM64 || COMPILE_TEST)
 	depends on COMMON_CLK
 	select DRM_KMS_HELPER
-	select DRM_KMS_CMA_HELPER
 	select DRM_GEM_CMA_HELPER
 	select VIDEOMODE_HELPERS
 	help
diff --git a/drivers/gpu/drm/arm/display/Kconfig b/drivers/gpu/drm/arm/display/Kconfig
index cec0639e3aa1..e91598b60781 100644
--- a/drivers/gpu/drm/arm/display/Kconfig
+++ b/drivers/gpu/drm/arm/display/Kconfig
@@ -4,7 +4,6 @@ config DRM_KOMEDA
 	depends on DRM && OF
 	depends on COMMON_CLK
 	select DRM_KMS_HELPER
-	select DRM_KMS_CMA_HELPER
 	select DRM_GEM_CMA_HELPER
 	select VIDEOMODE_HELPERS
 	help
diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig
index 5e95bcea43e9..024ccab14f88 100644
--- a/drivers/gpu/drm/aspeed/Kconfig
+++ b/drivers/gpu/drm/aspeed/Kconfig
@@ -5,7 +5,7 @@ config DRM_ASPEED_GFX
 	depends on (COMPILE_TEST || ARCH_ASPEED)
 	depends on MMU
 	select DRM_KMS_HELPER
-	select DRM_KMS_CMA_HELPER
+	select DRM_GEM_CMA_HELPER
 	select DMA_CMA if HAVE_DMA_CONTIGUOUS
 	select CMA if HAVE_DMA_CONTIGUOUS
 	select MFD_SYSCON
diff --git a/drivers/gpu/drm/atmel-hlcdc/Kconfig b/drivers/gpu/drm/atmel-hlcdc/Kconfig
index 5f67f001553b..8ae679f1a518 100644
--- a/drivers/gpu/drm/atmel-hlcdc/Kconfig
+++ b/drivers/gpu/drm/atmel-hlcdc/Kconfig
@@ -4,7 +4,6 @@ config DRM_ATMEL_HLCDC
 	depends on DRM && OF && COMMON_CLK && MFD_ATMEL_HLCDC && ARM
 	select DRM_GEM_CMA_HELPER
 	select DRM_KMS_HELPER
-	select DRM_KMS_CMA_HELPER
 	select DRM_PANEL
 	help
 	  Choose this option if you have an ATMEL SoC with an HLCDC display
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index d2f45a0f79c8..dafb1b47c15f 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
@@ -586,7 +586,7 @@ lt9611_connector_detect(struct drm_connector *connector, bool force)
 	int connected = 0;
 
 	regmap_read(lt9611->regmap, 0x825e, &reg_val);
-	connected  = (reg_val & BIT(2));
+	connected  = (reg_val & BIT(0));
 
 	lt9611->status = connected ?  connector_status_connected :
 				connector_status_disconnected;
@@ -892,7 +892,7 @@ static enum drm_connector_status lt9611_bridge_detect(struct drm_bridge *bridge)
 	int connected;
 
 	regmap_read(lt9611->regmap, 0x825e, &reg_val);
-	connected  = reg_val & BIT(2);
+	connected  = reg_val & BIT(0);
 
 	lt9611->status = connected ?  connector_status_connected :
 				connector_status_disconnected;
diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
index 26898042ba3d..818704bf5e86 100644
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -449,6 +449,7 @@ static int ps8640_bridge_attach(struct drm_bridge *bridge,
 	if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
 		return -EINVAL;
 
+	ps_bridge->aux.drm_dev = bridge->dev;
 	ret = drm_dp_aux_register(&ps_bridge->aux);
 	if (ret) {
 		dev_err(dev, "failed to register DP AUX channel: %d\n", ret);
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index 02b490671f8f..c9452eec968b 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -704,7 +704,7 @@ static struct ti_sn65dsi86 *bridge_to_ti_sn65dsi86(struct drm_bridge *bridge)
 
 static int ti_sn_attach_host(struct ti_sn65dsi86 *pdata)
 {
-	int ret, val;
+	int val;
 	struct mipi_dsi_host *host;
 	struct mipi_dsi_device *dsi;
 	struct device *dev = pdata->dev;
@@ -714,16 +714,12 @@ static int ti_sn_attach_host(struct ti_sn65dsi86 *pdata)
 	};
 
 	host = of_find_mipi_dsi_host_by_node(pdata->host_node);
-	if (!host) {
-		DRM_ERROR("failed to find dsi host\n");
-		return -ENODEV;
-	}
+	if (!host)
+		return -EPROBE_DEFER;
 
 	dsi