diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 64 |
1 files changed, 48 insertions, 16 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 8fbbe1c6ebbd..28a53e4a925f 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -96,9 +96,27 @@ out: return r; } +static void radeon_set_filp_rights(struct drm_device *dev, + struct drm_file **owner, + struct drm_file *applier, + uint32_t *value) +{ + mutex_lock(&dev->struct_mutex); + if (*value == 1) { + /* wants rights */ + if (!*owner) + *owner = applier; + } else if (*value == 0) { + /* revokes rights */ + if (*owner == applier) + *owner = NULL; + } + *value = *owner == applier ? 1 : 0; + mutex_unlock(&dev->struct_mutex); +} /* - * Userspace get informations ioctl + * Userspace get information ioctl */ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) { @@ -173,18 +191,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) DRM_DEBUG_KMS("WANT_HYPERZ: invalid value %d\n", value); return -EINVAL; } - mutex_lock(&dev->struct_mutex); - if (value == 1) { - /* wants hyper-z */ - if (!rdev->hyperz_filp) - rdev->hyperz_filp = filp; - } else if (value == 0) { - /* revokes hyper-z */ - if (rdev->hyperz_filp == filp) - rdev->hyperz_filp = NULL; + radeon_set_filp_rights(dev, &rdev->hyperz_filp, filp, &value); + break; + case RADEON_INFO_WANT_CMASK: + /* The same logic as Hyper-Z. */ + if (value >= 2) { + DRM_DEBUG_KMS("WANT_CMASK: invalid value %d\n", value); + return -EINVAL; } - value = rdev->hyperz_filp == filp ? 1 : 0; - mutex_unlock(&dev->struct_mutex); + radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value); break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); @@ -203,10 +218,6 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) */ int radeon_driver_firstopen_kms(struct drm_device *dev) { - struct radeon_device *rdev = dev->dev_private; - - if (rdev->powered_down) - return -EINVAL; return 0; } @@ -277,6 +288,27 @@ void radeon_disable_vblank_kms(struct drm_device *dev, int crtc) radeon_irq_set(rdev); } +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); +} /* * IOCTL. |