diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 80be62a0b99b..8e67249d4367 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -213,7 +213,7 @@ static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc) { unsigned i = 100; - if (crtc >= adev->mode_info.num_crtc) + if (crtc < 0 || crtc >= adev->mode_info.num_crtc) return; if (!(RREG32(mmCRTC_CONTROL + crtc_offsets[crtc]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK)) @@ -241,7 +241,7 @@ static void dce_v11_0_vblank_wait(struct amdgpu_device *adev, int crtc) static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc) { - if (crtc >= adev->mode_info.num_crtc) + if (crtc < 0 || crtc >= adev->mode_info.num_crtc) return 0; else return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]); @@ -3386,7 +3386,7 @@ static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev, { u32 tmp; - if (crtc >= adev->mode_info.num_crtc) { + if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { DRM_DEBUG("invalid crtc %d\n", crtc); return; } @@ -3401,7 +3401,7 @@ static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev, { u32 tmp; - if (crtc >= adev->mode_info.num_crtc) { + if (crtc < 0 || crtc >= adev->mode_info.num_crtc) { DRM_DEBUG("invalid crtc %d\n", crtc); return; } |