diff options
Diffstat (limited to 'drivers/gpu/drm/vkms/vkms_drv.c')
| -rw-r--r-- | drivers/gpu/drm/vkms/vkms_drv.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c index e3c9c9571c8d..dd0af086e7fa 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.c +++ b/drivers/gpu/drm/vkms/vkms_drv.c @@ -120,9 +120,27 @@ static const struct drm_driver vkms_driver = { .minor = DRIVER_MINOR, }; +static int vkms_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *new_crtc_state; + int i; + + for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { + if (!new_crtc_state->gamma_lut || !new_crtc_state->color_mgmt_changed) + continue; + + if (new_crtc_state->gamma_lut->length / sizeof(struct drm_color_lut *) + > VKMS_LUT_SIZE) + return -EINVAL; + } + + return drm_atomic_helper_check(dev, state); +} + static const struct drm_mode_config_funcs vkms_mode_funcs = { .fb_create = drm_gem_fb_create, - .atomic_check = drm_atomic_helper_check, + .atomic_check = vkms_atomic_check, .atomic_commit = drm_atomic_helper_commit, }; |