From c323ee68aab6f30e4e6645d513f26d8f22c353e7 Mon Sep 17 00:00:00 2001
From: Deepak Rawat <drawat.floss@gmail.com>
Date: Fri, 3 May 2019 13:13:06 -0700
Subject: drm/vmwgfx: Read new register for GB memory when available
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Git-commit: 7ebb47c9f9abf4950f1ab3f952194cb67f9caba7
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
Virtual device added new register for suggested GB memory, read the new
register when available.
Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Reviewed-by: Thomas Hellström (VMware) <thomas_os@shipmail.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index b55bd3b5f5cd..71e45b568511 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -720,9 +720,15 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
dev_priv->max_mob_pages = 0;
dev_priv->max_mob_size = 0;
if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
- uint64_t mem_size =
- vmw_read(dev_priv,
- SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
+ uint64_t mem_size;
+
+ if (dev_priv->capabilities2 & SVGA_CAP2_GB_MEMSIZE_2)
+ mem_size = vmw_read(dev_priv,
+ SVGA_REG_GBOBJECT_MEM_SIZE_KB);
+ else
+ mem_size =
+ vmw_read(dev_priv,
+ SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
/*
* Workaround for low memory 2D VMs to compensate for the
--
2.28.0