Merge tag 'drm-next-2018-10-24' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "This is going to rebuild more than drm as it adds a new helper to
  list.h for doing bulk updates. Seemed like a reasonable addition to
  me.

  Otherwise the usual merge window stuff lots of i915 and amdgpu, not so
  much nouveau, and piles of everything else.

  Core:
   - Adds a new list.h helper for doing bulk list updates for TTM.
   - Don't leak fb address in smem_start to userspace (comes with EXPORT
     workaround for people using mali out of tree hacks)
   - udmabuf device to turn memfd regions into dma-buf
   - Per-plane blend mode property
   - ref/unref replacements with get/put
   - fbdev conflicting framebuffers code cleaned up
   - host-endian format variants
   - panel orientation quirk for Acer One 10

  bridge:
   - TI SN65DSI86 chip support

  vkms:
   - GEM support.
   - Cursor support

  amdgpu:
   - Merge amdkfd and amdgpu into one module
   - CEC over DP AUX support
   - Picasso APU support + VCN dynamic powergating
   - Raven2 APU support
   - Vega20 enablement + kfd support
   - ACP powergating improvements
   - ABGR/XBGR display support
   - VCN jpeg support
   - xGMI support
   - DC i2c/aux cleanup
   - Ycbcr 4:2:0 support
   - GPUVM improvements
   - Powerplay and powerplay endian fixes
   - Display underflow fixes

  vmwgfx:
   - Move vmwgfx specific TTM code to vmwgfx
   - Split out vmwgfx buffer/resource validation code
   - Atomic operation rework

  bochs:
   - use more helpers
   - format/byteorder improvements

  qxl:
   - use more helpers

  i915:
   - GGTT coherency getparam
   - Turn off resource streamer API
   - More Icelake enablement + DMC firmware
   - Full PPGTT for Ivybridge, Haswell and Valleyview
   - DDB distribution based on resolution
   - Limited range DP display support

  nouveau:
   - CEC over DP AUX support
   - Initial HDMI 2.0 support

  virtio-gpu:
   - vmap support for PRIME objects

  tegra:
   - Initial Tegra194 support
   - DMA/IOMMU integration fixes

  msm:
   - a6xx perf improvements + clock prefix
   - GPU preemption optimisations
   - a6xx devfreq support
   - cursor support

  rockchip:
   - PX30 support
   - rgb output interface support

  mediatek:
   - HDMI output support on mt2701 and mt7623

  rcar-du:
   - Interlaced modes on Gen3
   - LVDS on R8A77980
   - D3 and E3 SoC support

  hisilicon:
   - misc fixes

  mxsfb:
   - runtime pm support

  sun4i:
   - R40 TCON support
   - Allwinner A64 support
   - R40 HDMI support

  omapdrm:
   - Driver rework changing display pipeline ordering to use common code
   - DMM memory barrier and irq fixes
   - Errata workarounds

  exynos:
   - out-bridge support for LVDS bridge driver
   - Samsung 16x16 tiled format support
   - Plane alpha and pixel blend mode support

  tilcdc:
   - suspend/resume update

  mali-dp:
   - misc updates"

* tag 'drm-next-2018-10-24' of git://anongit.freedesktop.org/drm/drm: (1382 commits)
  firmware/dmc/icl: Add missing MODULE_FIRMWARE() for Icelake.
  drm/i915/icl: Fix signal_levels
  drm/i915/icl: Fix DDI/TC port clk_off bits
  drm/i915/icl: create function to identify combophy port
  drm/i915/gen9+: Fix initial readout for Y tiled framebuffers
  drm/i915: Large page offsets for pread/pwrite
  drm/i915/selftests: Disable shrinker across mmap-exhaustion
  drm/i915/dp: Link train Fallback on eDP only if fallback link BW can fit panel's native mode
  drm/i915: Fix intel_dp_mst_best_encoder()
  drm/i915: Skip vcpi allocation for MSTB ports that are gone
  drm/i915: Don't unset intel_connector->mst_port
  drm/i915: Only reset seqno if actually idle
  drm/i915: Use the correct crtc when sanitizing plane mapping
  drm/i915: Restore vblank interrupts earlier
  drm/i915: Check fb stride against plane max stride
  drm/amdgpu/vcn:Fix uninitialized symbol error
  drm: panel-orientation-quirks: Add quirk for Acer One 10 (S1003)
  drm/amd/amdgpu: Fix debugfs error handling
  drm/amdgpu: Update gc_9_0 golden settings.
  drm/amd/powerplay: update PPtable with DC BTC and Tvr SocLimit fields
  ...

1 files changed, 25 insertions, 22 deletions

diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index a2bd5876c633..65ea4988b332 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -15,6 +15,10 @@
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 
+#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
+#include <asm/dma-iommu.h>
+#endif
+
 #include "drm.h"
 #include "gem.h"
 
@@ -1068,6 +1072,14 @@ struct iommu_group *host1x_client_iommu_attach(struct host1x_client *client,
 		}
 
 		if (!shared || (shared && (group != tegra->group))) {
+#if IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)
+			if (client->dev->archdata.mapping) {
+				struct dma_iommu_mapping *mapping =
+					to_dma_iommu_mapping(client->dev);
+				arm_iommu_detach_device(client->dev);
+				arm_iommu_release_mapping(mapping);
+			}
+#endif
 			err = iommu_attach_group(tegra->domain, group);
 			if (err < 0) {
 				iommu_group_put(group);
@@ -1187,14 +1199,18 @@ static int host1x_drm_probe(struct host1x_device *dev)
 
 	dev_set_drvdata(&dev->dev, drm);
 
+	err = drm_fb_helper_remove_conflicting_framebuffers(NULL, "tegradrmfb", false);
+	if (err < 0)
+		goto put;
+
 	err = drm_dev_register(drm, 0);
 	if (err < 0)
-		goto unref;
+		goto put;
 
 	return 0;
 
-unref:
-	drm_dev_unref(drm);
+put:
+	drm_dev_put(drm);
 	return err;
 }
 
@@ -1203,7 +1219,7 @@ static int host1x_drm_remove(struct host1x_device *dev)
 	struct drm_device *drm = dev_get_drvdata(&dev->dev);
 
 	drm_dev_unregister(drm);
-	drm_dev_unref(drm);
+	drm_dev_put(drm);
 
 	return 0;
 }
@@ -1212,31 +1228,15 @@ static int host1x_drm_remove(struct host1x_device *dev)
 static int host1x_drm_suspend(struct device *dev)
 {
 	struct drm_device *drm = dev_get_drvdata(dev);
-	struct tegra_drm *tegra = drm->dev_private;
-
-	drm_kms_helper_poll_disable(drm);
-	tegra_drm_fb_suspend(drm);
-
-	tegra->state = drm_atomic_helper_suspend(drm);
-	if (IS_ERR(tegra->state)) {
-		tegra_drm_fb_resume(drm);
-		drm_kms_helper_poll_enable(drm);
-		return PTR_ERR(tegra->state);
-	}
 
-	return 0;
+	return drm_mode_config_helper_suspend(drm);
 }
 
 static int host1x_drm_resume(struct device *dev)
 {
 	struct drm_device *drm = dev_get_drvdata(dev);
-	struct tegra_drm *tegra = drm->dev_private;
 
-	drm_atomic_helper_resume(drm, tegra->state);
-	tegra_drm_fb_resume(drm);
-	drm_kms_helper_poll_enable(drm);
-
-	return 0;
+	return drm_mode_config_helper_resume(drm);
 }
 #endif
 
@@ -1271,6 +1271,9 @@ static const struct of_device_id host1x_drm_subdevs[] = {
 	{ .compatible = "nvidia,tegra186-sor", },
 	{ .compatible = "nvidia,tegra186-sor1", },
 	{ .compatible = "nvidia,tegra186-vic", },
+	{ .compatible = "nvidia,tegra194-display", },
+	{ .compatible = "nvidia,tegra194-dc", },
+	{ .compatible = "nvidia,tegra194-sor", },
 	{ /* sentinel */ }
 };