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drm/i915/gvt: set default value to 0 for unhandled mmio regs 

for a handled mmio reg,  its default value is read from hardware, while
for an unhandled mmio regs,  its default value would be random if not
explicitly set to 0

Signed-off-by: Zhao Yan <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Zhao Yan 2017-02-21 14:00:37 +08:00 committed by Zhenyu Wang
parent 187447a106
commit ec162aa84c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/gvt/firmware.c
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@ -80,7 +80,7 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt)
int ret;
size = sizeof(*h) + info->mmio_size + info->cfg_space_size - 1;
firmware = vmalloc(size);
firmware = vzalloc(size);
if (!firmware)
return -ENOMEM;