/**
* amdgpu_get_vblank_timestamp_kms - get vblank timestamp
*
* @dev: drm dev pointer
* @crtc: crtc to get the timestamp for
* @max_error: max error
* @vblank_time: time value
* @flags: flags passed to the driver
*
* Gets the timestamp on the requested crtc based on the
* scanout position. (all asics).
* Returns postive status flags on success, negative error on failure.
*/
int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
int *max_error,
struct timeval *vblank_time,
unsigned flags)
{
struct drm_crtc *crtc;
struct amdgpu_device *adev = dev->dev_private;
if (pipe >= dev->num_crtcs) {
DRM_ERROR("Invalid crtc %u\n", pipe);
return -EINVAL;
}
/* Get associated drm_crtc: */
crtc = &adev->mode_info.crtcs[pipe]->base;
if (!crtc) {
/* This can occur on driver load if some component fails to
* initialize completely and driver is unloaded */
DRM_ERROR("Uninitialized crtc %d\n", pipe);
return -EINVAL;
}
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
vblank_time, flags,
&crtc->hwmode);
}
int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
int *max_error,
struct timeval *vblank_time,
unsigned flags)
{
struct drm_crtc *drmcrtc;
struct radeon_device *rdev = dev->dev_private;
if (crtc < 0 || crtc >= dev->num_crtcs) {
DRM_ERROR("Invalid crtc %d\n", crtc);
return -EINVAL;
}
/* Get associated drm_crtc: */
drmcrtc = &rdev->mode_info.crtcs[crtc]->base;
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, crtc, max_error,
vblank_time, flags,
drmcrtc);
}
/**
* amdgpu_get_vblank_timestamp_kms - get vblank timestamp
*
* @dev: drm dev pointer
* @crtc: crtc to get the timestamp for
* @max_error: max error
* @vblank_time: time value
* @flags: flags passed to the driver
*
* Gets the timestamp on the requested crtc based on the
* scanout position. (all asics).
* Returns postive status flags on success, negative error on failure.
*/
int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
int *max_error,
struct timeval *vblank_time,
unsigned flags)
{
struct drm_crtc *crtc;
struct amdgpu_device *adev = dev->dev_private;
if (pipe >= dev->num_crtcs) {
DRM_ERROR("Invalid crtc %u\n", pipe);
return -EINVAL;
}
/* Get associated drm_crtc: */
crtc = &adev->mode_info.crtcs[pipe]->base;
/* Helper routine in DRM core does all the work: */
return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
vblank_time, flags,
&crtc->hwmode);
}
static int mdp5_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
int *max_error,
struct timeval *vblank_time,
unsigned flags)
{
struct msm_drm_private *priv = dev->dev_private;
struct drm_crtc *crtc;
if (pipe < 0 || pipe >= priv->num_crtcs) {
DRM_ERROR("Invalid crtc %d\n", pipe);
return -EINVAL;
}
crtc = priv->crtcs[pipe];
if (!crtc) {
DRM_ERROR("Invalid crtc %d\n", pipe);
return -EINVAL;
}
return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
vblank_time, flags,
&crtc->mode);
}