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drm/vmwgfx: Read new register for GB memory when available 

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>
This commit is contained in:
Deepak Rawat 2019-05-03 13:13:06 -07:00 committed by Roland Scheidegger
parent 4dec28053b
commit 7ebb47c9f9
1 changed files with 9 additions and 3 deletions
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12
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
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@ -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