Merge tag 'drm-misc-next-2022-06-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.20:

UAPI Changes:

 * connector: export bpc limits in debugfs

 * dma-buf: Print buffer name in debugfs

Cross-subsystem Changes:

 * dma-buf: Improve dma-fence handling; Cleanups

 * fbdev: Device-unregistering fixes

Core Changes:

 * client: Only use driver-validated modes to avoid blank screen

 * dp-aux: Make probing more reliable; Small fixes

 * edit: CEA data-block iterators; Introduce struct drm_edid; Many cleanups

 * gem: Don't use framebuffer format's non-exising color planes

 * probe-helper: Use 640x480 as DisplayPort fallback; Refactoring

 * scheduler: Don't kill jobs in interrupt context

Driver Changes:

 * amdgpu: Use atomic fence helpers in DM; Fix VRAM address calculation;
   Export CRTC bpc settings via debugfs

 * bridge: Add TI-DLPC3433;  anx7625: Fixes;  fy07024di26a30d: Optional
   GPIO reset;  icn6211: Cleanups;  ldb: Add reg and reg-name properties
   to bindings, Kconfig fixes;  lt9611: Fix display sensing;  lt9611uxc:
   Fixes;  nwl-dsi: Fixes;  ps8640: Cleanups;  st7735r: Fixes;  tc358767:
   DSI/DPI refactoring and DSI-to-eDP support, Fixes; ti-sn65dsi83:
   Fixes;

 * gma500: Cleanup connector I2C handling

 * hyperv: Unify VRAM allocation of Gen1 and Gen2

 * i915: export CRTC bpc settings via debugfs

 * meson: Support YUV422 output; Refcount fixes

 * mgag200: Support damage clipping; Support gamma handling; Protect
   concurrent HW access; Fixes to connector; Store model-specific limits
   in device-info structure; Cleanups

 * nouveau: Fixes and Cleanups

 * panel: Kconfig fixes

 * panfrost: Valhall support

 * r128: Fix bit-shift overflow

 * rockchip: Locking fixes in error path; Minor cleanups

 * ssd130x: Fix built-in linkage

 * ttm: Cleanups

 * udl; Always advertize VGA connector

 * fbdev/vesa: Support COMPILE_TEST

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YqBtumw05JZDEZE2@linux-uq9g

1 files changed, 3 insertions, 71 deletions

diff --git a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
index 4a8941fa0815..6d11e7938c83 100644
--- a/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
+++ b/drivers/gpu/drm/hyperv/hyperv_drm_drv.c
@@ -69,56 +69,7 @@ static struct pci_driver hyperv_pci_driver = {
 	.remove =	hyperv_pci_remove,
 };
 
-static int hyperv_setup_gen1(struct hyperv_drm_device *hv)
-{
-	struct drm_device *dev = &hv->dev;
-	struct pci_dev *pdev;
-	int ret;
-
-	pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT,
-			      PCI_DEVICE_ID_HYPERV_VIDEO, NULL);
-	if (!pdev) {
-		drm_err(dev, "Unable to find PCI Hyper-V video\n");
-		return -ENODEV;
-	}
-
-	ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &hyperv_driver);
-	if (ret) {
-		drm_err(dev, "Not able to remove boot fb\n");
-		return ret;
-	}
-
-	if (pci_request_region(pdev, 0, DRIVER_NAME) != 0)
-		drm_warn(dev, "Cannot request framebuffer, boot fb still active?\n");
-
-	if ((pdev->resource[0].flags & IORESOURCE_MEM) == 0) {
-		drm_err(dev, "Resource at bar 0 is not IORESOURCE_MEM\n");
-		ret = -ENODEV;
-		goto error;
-	}
-
-	hv->fb_base = pci_resource_start(pdev, 0);
-	hv->fb_size = pci_resource_len(pdev, 0);
-	if (!hv->fb_base) {
-		drm_err(dev, "Resource not available\n");
-		ret = -ENODEV;
-		goto error;
-	}
-
-	hv->fb_size = min(hv->fb_size,
-			  (unsigned long)(hv->mmio_megabytes * 1024 * 1024));
-	hv->vram = devm_ioremap(&pdev->dev, hv->fb_base, hv->fb_size);
-	if (!hv->vram) {
-		drm_err(dev, "Failed to map vram\n");
-		ret = -ENOMEM;
-	}
-
-error:
-	pci_dev_put(pdev);
-	return ret;
-}
-
-static int hyperv_setup_gen2(struct hyperv_drm_device *hv,
+static int hyperv_setup_vram(struct hyperv_drm_device *hv,
 			     struct hv_device *hdev)
 {
 	struct drm_device *dev = &hv->dev;
@@ -181,10 +132,7 @@ static int hyperv_vmbus_probe(struct hv_device *hdev,
 		goto err_hv_set_drv_data;
 	}
 
-	if (efi_enabled(EFI_BOOT))
-		ret = hyperv_setup_gen2(hv, hdev);
-	else
-		ret = hyperv_setup_gen1(hv);
+	ret = hyperv_setup_vram(hv, hdev);
 
 	if (ret)
 		goto err_vmbus_close;
@@ -225,29 +173,13 @@ static int hyperv_vmbus_remove(struct hv_device *hdev)
 {
 	struct drm_device *dev = hv_get_drvdata(hdev);
 	struct hyperv_drm_device *hv = to_hv(dev);
-	struct pci_dev *pdev;
 
 	drm_dev_unplug(dev);
 	drm_atomic_helper_shutdown(dev);
 	vmbus_close(hdev->channel);
 	hv_set_drvdata(hdev, NULL);
 
-	/*
-	 * Free allocated MMIO memory only on Gen2 VMs.
-	 * On Gen1 VMs, release the PCI device
-	 */
-	if (efi_enabled(EFI_BOOT)) {
-		vmbus_free_mmio(hv->mem->start, hv->fb_size);
-	} else {
-		pdev = pci_get_device(PCI_VENDOR_ID_MICROSOFT,
-				      PCI_DEVICE_ID_HYPERV_VIDEO, NULL);
-		if (!pdev) {
-			drm_err(dev, "Unable to find PCI Hyper-V video\n");
-			return -ENODEV;
-		}
-		pci_release_region(pdev, 0);
-		pci_dev_put(pdev);
-	}
+	vmbus_free_mmio(hv->mem->start, hv->fb_size);
 
 	return 0;
 }