From: Thomas Hellstrom <thellst...@vmware.com>
The restrict_dma_mask was mainly used for iommu functionality debugging
and has no use anymore. Remove it.
Signed-off-by: Thomas Hellstrom <thellst...@vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 60ef03120917..8d479a411cdd 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -255,7 +255,6 @@ static int enable_fbdev =
IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON);
static int vmw_force_iommu;
static int vmw_restrict_iommu;
static int vmw_force_coherent;
-static int vmw_restrict_dma_mask;
static int vmw_assume_16bpp;
static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
@@ -270,8 +269,6 @@ MODULE_PARM_DESC(restrict_iommu, "Try to limit IOMMU usage
for TTM pages");
module_param_named(restrict_iommu, vmw_restrict_iommu, int, 0600);
MODULE_PARM_DESC(force_coherent, "Force coherent TTM pages");
module_param_named(force_coherent, vmw_force_coherent, int, 0600);
-MODULE_PARM_DESC(restrict_dma_mask, "Restrict DMA mask to 44 bits with IOMMU");
-module_param_named(restrict_dma_mask, vmw_restrict_dma_mask, int, 0600);
MODULE_PARM_DESC(assume_16bpp, "Assume 16-bpp when filtering modes");
module_param_named(assume_16bpp, vmw_assume_16bpp, int, 0600);
@@ -597,7 +594,7 @@ static int vmw_dma_masks(struct vmw_private *dev_priv)
int ret = 0;
ret = dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(64));
- if (sizeof(unsigned long) == 4 || vmw_restrict_dma_mask) {
+ if (sizeof(unsigned long) == 4) {
DRM_INFO("Restricting DMA addresses to 44 bits.\n");
return dma_set_mask_and_coherent(dev->dev, DMA_BIT_MASK(44));
}
--
2.21.0
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