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amdgpu/dce11: Add test for crtc < 0 to various DCEv11 functions 

To be consistent with other DCE11 functions test for crtc < 0.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2015-12-15 13:03:43 -05:00 committed by Alex Deucher
parent 9e4e1ae82f
commit 15c3277ff6
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
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@ -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;
}