diff options
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 0e3cc66aa8b7..1e28eeefcd65 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -5138,6 +5138,9 @@ EXPORT_SYMBOL(drm_mode_connector_attach_encoder); int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, int gamma_size) { + uint16_t *r_base, *g_base, *b_base; + int i; + crtc->gamma_size = gamma_size; crtc->gamma_store = kcalloc(gamma_size, sizeof(uint16_t) * 3, @@ -5147,6 +5150,16 @@ int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, return -ENOMEM; } + r_base = crtc->gamma_store; + g_base = r_base + gamma_size; + b_base = g_base + gamma_size; + for (i = 0; i < gamma_size; i++) { + r_base[i] = i << 8; + g_base[i] = i << 8; + b_base[i] = i << 8; + } + + return 0; } EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); |