diff options
| author | Tom St Denis <tom.stdenis@amd.com> | 2017-03-15 05:34:25 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-15 16:21:34 -0400 |
| commit | 801a6aa9a63c90724e8899982ad8c7f16be1e2cd (patch) | |
| tree | 9eb1f732473ce61d4232586ed4eecf30e26422a6 /drivers/gpu | |
| parent | 18a8de1bc37e97dff1c96ee6cf49adbd02a0f775 (diff) | |
| download | linux-801a6aa9a63c90724e8899982ad8c7f16be1e2cd.tar.bz2 | |
drm/amd/amdgpu: Fix debugfs reg read/write address width
The MMIO space is wider now so we mask the lower 22 bits
instead of 18.
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 |
1 files 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 4120b351a8e5..a3a105ec99e2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -2590,7 +2590,7 @@ 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) || @@ -2666,7 +2666,7 @@ 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) || |