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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_drv.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c55
1 files changed, 45 insertions, 10 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 9ad28346aff7..8b24ecf60e3e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR MIT
/**************************************************************************
*
- * Copyright 2009-2022 VMware, Inc., Palo Alto, CA., USA
+ * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
@@ -28,9 +28,10 @@
#include "vmwgfx_drv.h"
+#include "vmwgfx_bo.h"
+#include "vmwgfx_binding.h"
#include "vmwgfx_devcaps.h"
#include "vmwgfx_mksstat.h"
-#include "vmwgfx_binding.h"
#include "ttm_object.h"
#include <drm/drm_aperture.h>
@@ -44,6 +45,9 @@
#include <drm/ttm/ttm_placement.h>
#include <generated/utsrelease.h>
+#ifdef CONFIG_X86
+#include <asm/hypervisor.h>
+#endif
#include <linux/cc_platform.h>
#include <linux/dma-mapping.h>
#include <linux/module.h>
@@ -386,27 +390,32 @@ static void vmw_print_sm_type(struct vmw_private *dev_priv)
static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
{
int ret;
- struct vmw_buffer_object *vbo;
+ struct vmw_bo *vbo;
struct ttm_bo_kmap_obj map;
volatile SVGA3dQueryResult *result;
bool dummy;
+ struct vmw_bo_params bo_params = {
+ .domain = VMW_BO_DOMAIN_SYS,
+ .busy_domain = VMW_BO_DOMAIN_SYS,
+ .bo_type = ttm_bo_type_kernel,
+ .size = PAGE_SIZE,
+ .pin = true
+ };
/*
* Create the vbo as pinned, so that a tryreserve will
* immediately succeed. This is because we're the only
* user of the bo currently.
*/
- ret = vmw_bo_create(dev_priv, PAGE_SIZE,
- &vmw_sys_placement, false, true,
- &vmw_bo_bo_free, &vbo);
+ ret = vmw_bo_create(dev_priv, &bo_params, &vbo);
if (unlikely(ret != 0))
return ret;
- ret = ttm_bo_reserve(&vbo->base, false, true, NULL);
+ ret = ttm_bo_reserve(&vbo->tbo, false, true, NULL);
BUG_ON(ret != 0);
vmw_bo_pin_reserved(vbo, true);
- ret = ttm_bo_kmap(&vbo->base, 0, 1, &map);
+ ret = ttm_bo_kmap(&vbo->tbo, 0, 1, &map);
if (likely(ret == 0)) {
result = ttm_kmap_obj_virtual(&map, &dummy);
result->totalSize = sizeof(*result);
@@ -415,7 +424,7 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
ttm_bo_kunmap(&map);
}
vmw_bo_pin_reserved(vbo, false);
- ttm_bo_unreserve(&vbo->base);
+ ttm_bo_unreserve(&vbo->tbo);
if (unlikely(ret != 0)) {
DRM_ERROR("Dummy query buffer map failed.\n");
@@ -891,6 +900,16 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id)
cap2_names, ARRAY_SIZE(cap2_names));
}
+ if (!vmwgfx_supported(dev_priv)) {
+ vmw_disable_backdoor();
+ drm_err_once(&dev_priv->drm,
+ "vmwgfx seems to be running on an unsupported hypervisor.");
+ drm_err_once(&dev_priv->drm,
+ "This configuration is likely broken.");
+ drm_err_once(&dev_priv->drm,
+ "Please switch to a supported graphics device to avoid problems.");
+ }
+
ret = vmw_dma_select_mode(dev_priv);
if (unlikely(ret != 0)) {
drm_info(&dev_priv->drm,
@@ -1314,6 +1333,22 @@ static void vmw_master_drop(struct drm_device *dev,
vmw_kms_legacy_hotspot_clear(dev_priv);
}
+bool vmwgfx_supported(struct vmw_private *vmw)
+{
+#if defined(CONFIG_X86)
+ return hypervisor_is_type(X86_HYPER_VMWARE);
+#elif defined(CONFIG_ARM64)
+ /*
+ * On aarch64 only svga3 is supported
+ */
+ return vmw->pci_id == VMWGFX_PCI_ID_SVGA3;
+#else
+ drm_warn_once(&vmw->drm,
+ "vmwgfx is running on an unknown architecture.");
+ return false;
+#endif
+}
+
/**
* __vmw_svga_enable - Enable SVGA mode, FIFO and use of VRAM.
*
@@ -1565,7 +1600,7 @@ static const struct file_operations vmwgfx_driver_fops = {
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = vmw_unlocked_ioctl,
- .mmap = vmw_mmap,
+ .mmap = drm_gem_mmap,
.poll = drm_poll,
.read = drm_read,
#if defined(CONFIG_COMPAT)