Am 15.03.2017 um 10:35 schrieb Tom St Denis:
The MMIO space is wider now so we mask the lower 22 bits
instead of 18.
Signed-off-by: Tom St Denis <[email protected]>
Reviewed-by: Christian König <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 47d1dcc85b18..89504a883791 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2944,7 +2944,7 @@ static ssize_t amdgpu_debugfs_regs_read(struct file *f,
char __user *buf,
use_bank = 0;
}
- *pos &= 0x3FFFF;
+ *pos &= (1UL << 22) - 1;
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >=
adev->gfx.config.max_sh_per_se) ||
@@ -3020,7 +3020,7 @@ static ssize_t amdgpu_debugfs_regs_write(struct file *f,
const char __user *buf,
use_bank = 0;
}
- *pos &= 0x3FFFF;
+ *pos &= (1UL << 22) - 1;
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >=
adev->gfx.config.max_sh_per_se) ||
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