Merge tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Core:
   - shared fencing staging removal
   - drop transactional atomic helpers and move helpers to new location
   - DP/MST atomic cleanup
   - Leasing cleanups and drop EXPORT_SYMBOL
   - Convert drivers to atomic helpers and generic fbdev.
   - removed deprecated obj_ref/unref in favour of get/put
   - Improve dumb callback documentation
   - MODESET_LOCK_BEGIN/END helpers

  panels:
   - CDTech panels, Banana Pi Panel, DLC1010GIG,
   - Olimex LCD-O-LinuXino, Samsung S6D16D0, Truly NT35597 WQXGA,
   - Himax HX8357D, simulated RTSM AEMv8.
   - GPD Win2 panel
   - AUO G101EVN010

  vgem:
   - render node support

  ttm:
   - move global init out of drivers
   - fix LRU handling for ghost objects
   - Support for simultaneous submissions to multiple engines

  scheduler:
   - timeout/fault handling changes to help GPU recovery
   - helpers for hw with preemption support

  i915:
   - Scaler/Watermark fixes
   - DP MST + powerwell fixes
   - PSR fixes
   - Break long get/put shmemfs pages
   - Icelake fixes
   - Icelake DSI video mode enablement
   - Engine workaround improvements

  amdgpu:
   - freesync support
   - GPU reset enabled on CI, VI, SOC15 dGPUs
   - ABM support in DC
   - KFD support for vega12/polaris12
   - SDMA paging queue on vega
   - More amdkfd code sharing
   - DCC scanout on GFX9
   - DC kerneldoc
   - Updated SMU firmware for GFX8 chips
   - XGMI PSP + hive reset support
   - GPU reset
   - DC trace support
   - Powerplay updates for newer Polaris
   - Cursor plane update fast path
   - kfd dma-buf support

  virtio-gpu:
   - add EDID support

  vmwgfx:
   - pageflip with damage support

  nouveau:
   - Initial Turing TU104/TU106 modesetting support

  msm:
   - a2xx gpu support for apq8060 and imx5
   - a2xx gpummu support
   - mdp4 display support for apq8060
   - DPU fixes and cleanups
   - enhanced profiling support
   - debug object naming interface
   - get_iova/page pinning decoupling

  tegra:
   - Tegra194 host1x, VIC and display support enabled
   - Audio over HDMI for Tegra186 and Tegra194

  exynos:
   - DMA/IOMMU refactoring
   - plane alpha + blend mode support
   - Color format fixes for mixer driver

  rcar-du:
   - R8A7744 and R8A77470 support
   - R8A77965 LVDS support

  imx:
   - fbdev emulation fix
   - multi-tiled scalling fixes
   - SPDX identifiers

  rockchip
   - dw_hdmi support
   - dw-mipi-dsi + dual dsi support
   - mailbox read size fix

  qxl:
   - fix cursor pinning

  vc4:
   - YUV support (scaling + cursor)

  v3d:
   - enable TFU (Texture Formatting Unit)

  mali-dp:
   - add support for linear tiled formats

  sun4i:
   - Display Engine 3 support
   - H6 DE3 mixer 0 support
   - H6 display engine support
   - dw-hdmi support
   - H6 HDMI phy support
   - implicit fence waiting
   - BGRX8888 support

  meson:
   - Overlay plane support
   - implicit fence waiting
   - HDMI 1.4 4k modes

  bridge:
   - i2c fixes for sii902x"

* tag 'drm-next-2018-12-14' of git://anongit.freedesktop.org/drm/drm: (1403 commits)
  drm/amd/display: Add fast path for cursor plane updates
  drm/amdgpu: Enable GPU recovery by default for CI
  drm/amd/display: Fix duplicating scaling/underscan connector state
  drm/amd/display: Fix unintialized max_bpc state values
  Revert "drm/amd/display: Set RMX_ASPECT as default"
  drm/amdgpu: Fix stub function name
  drm/msm/dpu: Fix clock issue after bind failure
  drm/msm/dpu: Clean up dpu_media_info.h static inline functions
  drm/msm/dpu: Further cleanups for static inline functions
  drm/msm/dpu: Cleanup the debugfs functions
  drm/msm/dpu: Remove dpu_irq and unused functions
  drm/msm: Make irq_postinstall optional
  drm/msm/dpu: Cleanup callers of dpu_hw_blk_init
  drm/msm/dpu: Remove unused functions
  drm/msm/dpu: Remove dpu_crtc_is_enabled()
  drm/msm/dpu: Remove dpu_crtc_get_mixer_height
  drm/msm/dpu: Remove dpu_dbg
  drm/msm: dpu: Remove crtc_lock
  drm/msm: dpu: Remove vblank_requested flag from dpu_crtc
  drm/msm: dpu: Separate crtc assignment from vblank enable
  ...

1 files changed, 69 insertions, 31 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 897afbb348c1..0b263a9857c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -23,7 +23,7 @@
  */
 #include <linux/list.h>
 #include "amdgpu.h"
-#include "amdgpu_psp.h"
+#include "amdgpu_xgmi.h"
 
 
 static DEFINE_MUTEX(xgmi_mutex);
@@ -31,15 +31,16 @@ static DEFINE_MUTEX(xgmi_mutex);
 #define AMDGPU_MAX_XGMI_HIVE			8
 #define AMDGPU_MAX_XGMI_DEVICE_PER_HIVE		4
 
-struct amdgpu_hive_info {
-	uint64_t		hive_id;
-	struct list_head	device_list;
-};
-
 static struct amdgpu_hive_info xgmi_hives[AMDGPU_MAX_XGMI_HIVE];
 static unsigned hive_count = 0;
 
-static struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
+
+void *amdgpu_xgmi_hive_try_lock(struct amdgpu_hive_info *hive)
+{
+	return &hive->device_list;
+}
+
+struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
 {
 	int i;
 	struct amdgpu_hive_info *tmp;
@@ -58,62 +59,99 @@ static struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
 	tmp = &xgmi_hives[hive_count++];
 	tmp->hive_id = adev->gmc.xgmi.hive_id;
 	INIT_LIST_HEAD(&tmp->device_list);
+	mutex_init(&tmp->hive_lock);
+
 	return tmp;
 }
 
+int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive, struct amdgpu_device *adev)
+{
+	int ret = -EINVAL;
+
+	/* Each psp need to set the latest topology */
+	ret = psp_xgmi_set_topology_info(&adev->psp,
+					 hive->number_devices,
+					 &hive->topology_info);
+	if (ret)
+		dev_err(adev->dev,
+			"XGMI: Set topology failure on device %llx, hive %llx, ret %d",
+			adev->gmc.xgmi.node_id,
+			adev->gmc.xgmi.hive_id, ret);
+	else
+		dev_info(adev->dev, "XGMI: Set topology for node %d, hive 0x%llx.\n",
+			 adev->gmc.xgmi.physical_node_id,
+				 adev->gmc.xgmi.hive_id);
+
+	return ret;
+}
+
 int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
 {
-	struct psp_xgmi_topology_info tmp_topology[AMDGPU_MAX_XGMI_DEVICE_PER_HIVE];
+	struct psp_xgmi_topology_info *hive_topology;
 	struct amdgpu_hive_info *hive;
 	struct amdgpu_xgmi	*entry;
-	struct amdgpu_device 	*tmp_adev;
+	struct amdgpu_device *tmp_adev = NULL;
 
 	int count = 0, ret = -EINVAL;
 
-	if ((adev->asic_type < CHIP_VEGA20) ||
-		(adev->flags & AMD_IS_APU) )
+	if (!adev->gmc.xgmi.supported)
 		return 0;
-	adev->gmc.xgmi.device_id = psp_xgmi_get_device_id(&adev->psp);
+
+	adev->gmc.xgmi.node_id = psp_xgmi_get_node_id(&adev->psp);
 	adev->gmc.xgmi.hive_id = psp_xgmi_get_hive_id(&adev->psp);
 
-	memset(&tmp_topology[0], 0, sizeof(tmp_topology));
 	mutex_lock(&xgmi_mutex);
 	hive = amdgpu_get_xgmi_hive(adev);
 	if (!hive)
 		goto exit;
 
+	hive_topology = &hive->topology_info;
+
 	list_add_tail(&adev->gmc.xgmi.head, &hive->device_list);
 	list_for_each_entry(entry, &hive->device_list, head)
-		tmp_topology[count++].device_id = entry->device_id;
+		hive_topology->nodes[count++].node_id = entry->node_id;
+	hive->number_devices = count;
 
-	ret = psp_xgmi_get_topology_info(&adev->psp, count, tmp_topology);
-	if (ret) {
-		dev_err(adev->dev,
-			"XGMI: Get topology failure on device %llx, hive %llx, ret %d",
-			adev->gmc.xgmi.device_id,
-			adev->gmc.xgmi.hive_id, ret);
-		goto exit;
-	}
-	/* Each psp need to set the latest topology */
+	/* Each psp need to get the latest topology */
 	list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
-		ret = psp_xgmi_set_topology_info(&tmp_adev->psp, count, tmp_topology);
+		ret = psp_xgmi_get_topology_info(&tmp_adev->psp, count, hive_topology);
 		if (ret) {
 			dev_err(tmp_adev->dev,
-				"XGMI: Set topology failure on device %llx, hive %llx, ret %d",
-				tmp_adev->gmc.xgmi.device_id,
+				"XGMI: Get topology failure on device %llx, hive %llx, ret %d",
+				tmp_adev->gmc.xgmi.node_id,
 				tmp_adev->gmc.xgmi.hive_id, ret);
-			/* To do : continue with some  node failed or disable the  whole  hive */
+			/* To do : continue with some node failed or disable the whole hive */
 			break;
 		}
 	}
-	if (!ret)
-		dev_info(adev->dev, "XGMI: Add node %d to hive 0x%llx.\n",
-			adev->gmc.xgmi.physical_node_id,
-			adev->gmc.xgmi.hive_id);
+
+	list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
+		ret = amdgpu_xgmi_update_topology(hive, tmp_adev);
+		if (ret)
+			break;
+	}
 
 exit:
 	mutex_unlock(&xgmi_mutex);
 	return ret;
 }
 
+void amdgpu_xgmi_remove_device(struct amdgpu_device *adev)
+{
+	struct amdgpu_hive_info *hive;
 
+	if (!adev->gmc.xgmi.supported)
+		return;
+
+	mutex_lock(&xgmi_mutex);
+
+	hive = amdgpu_get_xgmi_hive(adev);
+	if (!hive)
+		goto exit;
+
+	if (!(hive->number_devices--))
+		mutex_destroy(&hive->hive_lock);
+
+exit:
+	mutex_unlock(&xgmi_mutex);
+}