Merge tag 'drm-misc-next-2020-08-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.10:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:
  - ttm: various cleanups and reworks of the API

Driver Changes:
  - ast: various cleanups
  - gma500: A few fixes, conversion to GPIOd API
  - hisilicon: Change of maintainer, various reworks
  - ingenic: Clock handling and formats support improvements
  - mcde: improvements to the DSI support
  - mgag200: Support G200 desktop cards
  - mxsfb: Support the i.MX7 and i.MX8M and the alpha plane
  - panfrost: support devfreq
  - ps8640: Retrieve the EDID from eDP control, misc improvements
  - tidss: Add a workaround for AM65xx YUV formats handling
  - virtio: a few cleanups, support for virtio-gpu exported resources
  - bridges: Support the chained bridges on more drivers,
    new bridges: Toshiba TC358762, Toshiba TC358775, Lontium LT9611
  - panels: Convert to dev_ based logging, read orientation from the DT,
    various fixes, new panels: Mantix MLAF057WE51-X, Chefree CH101OLHLWH-002,
    Powertip PH800480T013, KingDisplay KD116N21-30NV-A010

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

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200827155517.do6emeacetpturli@gilmour.lan

1 files changed, 54 insertions, 19 deletions

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index fb39826f72c1..e60012886065 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -620,6 +620,29 @@ static int vmw_dma_masks(struct vmw_private *dev_priv)
 	return ret;
 }
 
+static int vmw_vram_manager_init(struct vmw_private *dev_priv)
+{
+	int ret;
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+	ret = vmw_thp_init(dev_priv);
+#else
+	ret = ttm_range_man_init(&dev_priv->bdev, TTM_PL_VRAM,
+				 TTM_PL_FLAG_CACHED, TTM_PL_FLAG_CACHED,
+				 false, dev_priv->vram_size >> PAGE_SHIFT);
+#endif
+	ttm_resource_manager_set_used(ttm_manager_type(&dev_priv->bdev, TTM_PL_VRAM), false);
+	return ret;
+}
+
+static void vmw_vram_manager_fini(struct vmw_private *dev_priv)
+{
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+	vmw_thp_fini(dev_priv);
+#else
+	ttm_range_man_fini(&dev_priv->bdev, TTM_PL_VRAM);
+#endif
+}
+
 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 {
 	struct vmw_private *dev_priv;
@@ -859,23 +882,30 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 		DRM_ERROR("Failed initializing TTM buffer object driver.\n");
 		goto out_no_bdev;
 	}
+	ttm_manager_type(&dev_priv->bdev, TTM_PL_SYSTEM)->available_caching =
+		TTM_PL_FLAG_CACHED;
 
 	/*
 	 * Enable VRAM, but initially don't use it until SVGA is enabled and
 	 * unhidden.
 	 */
-	ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
-			     (dev_priv->vram_size >> PAGE_SHIFT));
+
+	ret = vmw_vram_manager_init(dev_priv);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Failed initializing memory manager for VRAM.\n");
 		goto out_no_vram;
 	}
-	dev_priv->bdev.man[TTM_PL_VRAM].use_type = false;
 
+	/*
+	 * "Guest Memory Regions" is an aperture like feature with
+	 *  one slot per bo. There is an upper limit of the number of
+	 *  slots as well as the bo size.
+	 */
 	dev_priv->has_gmr = true;
+	/* TODO: This is most likely not correct */
 	if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
-	    refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
-					 VMW_PL_GMR) != 0) {
+	    refuse_dma ||
+	    vmw_gmrid_man_init(dev_priv, VMW_PL_GMR) != 0) {
 		DRM_INFO("No GMR memory available. "
 			 "Graphics memory resources are very limited.\n");
 		dev_priv->has_gmr = false;
@@ -883,8 +913,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 
 	if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS && !refuse_dma) {
 		dev_priv->has_mob = true;
-		if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
-				   VMW_PL_MOB) != 0) {
+
+		if (vmw_gmrid_man_init(dev_priv, VMW_PL_MOB) != 0) {
 			DRM_INFO("No MOB memory available. "
 				 "3D will be disabled.\n");
 			dev_priv->has_mob = false;
@@ -961,10 +991,10 @@ out_no_fifo:
 	vmw_kms_close(dev_priv);
 out_no_kms:
 	if (dev_priv->has_mob)
-		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+		vmw_gmrid_man_fini(dev_priv, VMW_PL_MOB);
 	if (dev_priv->has_gmr)
-		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
-	(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+		vmw_gmrid_man_fini(dev_priv, VMW_PL_GMR);
+	vmw_vram_manager_fini(dev_priv);
 out_no_vram:
 	(void)ttm_bo_device_release(&dev_priv->bdev);
 out_no_bdev:
@@ -1012,12 +1042,12 @@ static void vmw_driver_unload(struct drm_device *dev)
 	vmw_overlay_close(dev_priv);
 
 	if (dev_priv->has_gmr)
-		(void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
-	(void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
+		vmw_gmrid_man_fini(dev_priv, VMW_PL_GMR);
 
 	vmw_release_device_early(dev_priv);
 	if (dev_priv->has_mob)
-		(void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
+		vmw_gmrid_man_fini(dev_priv, VMW_PL_MOB);
+	vmw_vram_manager_fini(dev_priv);
 	(void) ttm_bo_device_release(&dev_priv->bdev);
 	drm_vma_offset_manager_destroy(&dev_priv->vma_manager);
 	vmw_release_device_late(dev_priv);
@@ -1159,10 +1189,12 @@ static void vmw_master_drop(struct drm_device *dev,
  */
 static void __vmw_svga_enable(struct vmw_private *dev_priv)
 {
+	struct ttm_resource_manager *man = ttm_manager_type(&dev_priv->bdev, TTM_PL_VRAM);
+
 	spin_lock(&dev_priv->svga_lock);
-	if (!dev_priv->bdev.man[TTM_PL_VRAM].use_type) {
+	if (!ttm_resource_manager_used(man)) {
 		vmw_write(dev_priv, SVGA_REG_ENABLE, SVGA_REG_ENABLE);
-		dev_priv->bdev.man[TTM_PL_VRAM].use_type = true;
+		ttm_resource_manager_set_used(man, true);
 	}
 	spin_unlock(&dev_priv->svga_lock);
 }
@@ -1188,9 +1220,11 @@ void vmw_svga_enable(struct vmw_private *dev_priv)
  */
 static void __vmw_svga_disable(struct vmw_private *dev_priv)
 {
+	struct ttm_resource_manager *man = ttm_manager_type(&dev_priv->bdev, TTM_PL_VRAM);
+
 	spin_lock(&dev_priv->svga_lock);
-	if (dev_priv->bdev.man[TTM_PL_VRAM].use_type) {
-		dev_priv->bdev.man[TTM_PL_VRAM].use_type = false;
+	if (ttm_resource_manager_used(man)) {
+		ttm_resource_manager_set_used(man, false);
 		vmw_write(dev_priv, SVGA_REG_ENABLE,
 			  SVGA_REG_ENABLE_HIDE |
 			  SVGA_REG_ENABLE_ENABLE);
@@ -1207,6 +1241,7 @@ static void __vmw_svga_disable(struct vmw_private *dev_priv)
  */
 void vmw_svga_disable(struct vmw_private *dev_priv)
 {
+	struct ttm_resource_manager *man = ttm_manager_type(&dev_priv->bdev, TTM_PL_VRAM);
 	/*
 	 * Disabling SVGA will turn off device modesetting capabilities, so
 	 * notify KMS about that so that it doesn't cache atomic state that
@@ -1222,8 +1257,8 @@ void vmw_svga_disable(struct vmw_private *dev_priv)
 	vmw_kms_lost_device(dev_priv->dev);
 	ttm_write_lock(&dev_priv->reservation_sem, false);
 	spin_lock(&dev_priv->svga_lock);
-	if (dev_priv->bdev.man[TTM_PL_VRAM].use_type) {
-		dev_priv->bdev.man[TTM_PL_VRAM].use_type = false;
+	if (ttm_resource_manager_used(man)) {
+		ttm_resource_manager_set_used(man, false);
 		spin_unlock(&dev_priv->svga_lock);
 		if (ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM))
 			DRM_ERROR("Failed evicting VRAM buffers.\n");