diff options
| author | Colin Ian King <colin.king@canonical.com> | 2017-03-17 15:37:22 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-03-30 05:54:04 +0200 |
| commit | f917c2ad92c416b05d876f513a9963a6f5ed139d (patch) | |
| tree | 64086274f43f01df3cd99d49dd9ae24f496f3975 /drivers/gpu/drm/amd/amdgpu/vce_v2_0.c | |
| parent | drm/amd/sched: revise priority number (diff) | |
| download | linux-f917c2ad92c416b05d876f513a9963a6f5ed139d.tar.xz linux-f917c2ad92c416b05d876f513a9963a6f5ed139d.zip | |
drm/amdgpu: remove redundant outer loop and remove commented out code
The outer loop is redundant and can be removed as it is doing nothing
useful. Also remove some commented out code that is not being used.
Detected by CoverityScan, CID#1402073
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vce_v2_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vce_v2_0.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c index 10421b6083ea..49a6c45e65be 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c @@ -274,24 +274,14 @@ static int vce_v2_0_start(struct amdgpu_device *adev) static int vce_v2_0_stop(struct amdgpu_device *adev) { - int i, j; + int i; int status; if (vce_v2_0_lmi_clean(adev)) { DRM_INFO("vce is not idle \n"); return 0; } -/* - for (i = 0; i < 10; ++i) { - for (j = 0; j < 100; ++j) { - status = RREG32(mmVCE_FW_REG_STATUS); - if (!(status & 1)) - break; - mdelay(1); - } - break; - } -*/ + if (vce_v2_0_wait_for_idle(adev)) { DRM_INFO("VCE is busy, Can't set clock gateing"); return 0; @@ -300,14 +290,11 @@ static int vce_v2_0_stop(struct amdgpu_device *adev) /* Stall UMC and register bus before resetting VCPU */ WREG32_P(mmVCE_LMI_CTRL2, 1 << 8, ~(1 << 8)); - for (i = 0; i < 10; ++i) { - for (j = 0; j < 100; ++j) { - status = RREG32(mmVCE_LMI_STATUS); - if (status & 0x240) - break; - mdelay(1); - } - break; + for (i = 0; i < 100; ++i) { + status = RREG32(mmVCE_LMI_STATUS); + if (status & 0x240) + break; + mdelay(1); } WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x80001); |