| 114,6 → 114,9 |
|---|
| uint16_t *r_base, *g_base, *b_base; |
| int i; |
| |
| if (helper->funcs->gamma_get == NULL) |
| return; |
| |
| r_base = crtc->gamma_store; |
| g_base = r_base + crtc->gamma_size; |
| b_base = g_base + crtc->gamma_size; |
| 337,6 → 340,14 |
|---|
| return 0; |
| } |
| |
| /* |
| * The driver really shouldn't advertise pseudo/directcolor |
| * visuals if it can't deal with the palette. |
| */ |
| if (WARN_ON(!fb_helper->funcs->gamma_set || |
| !fb_helper->funcs->gamma_get)) |
| return -EINVAL; |
| |
| pindex = regno; |
| |
| if (fb->bits_per_pixel == 16) { |
| 380,6 → 391,7 |
|---|
| int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info) |
| { |
| struct drm_fb_helper *fb_helper = info->par; |
| struct drm_device *dev = fb_helper->dev; |
| struct drm_crtc_helper_funcs *crtc_funcs; |
| u16 *red, *green, *blue, *transp; |
| struct drm_crtc *crtc; |
| 386,6 → 398,12 |
|---|
| int i, j, rc = 0; |
| int start; |
| |
| drm_modeset_lock_all(dev); |
| if (!drm_fb_helper_is_bound(fb_helper)) { |
| drm_modeset_unlock_all(dev); |
| return -EBUSY; |
| } |
| |
| for (i = 0; i < fb_helper->crtc_count; i++) { |
| crtc = fb_helper->crtc_info[i].mode_set.crtc; |
| crtc_funcs = crtc->helper_private; |
| 408,10 → 426,13 |
|---|
| |
| rc = setcolreg(crtc, hred, hgreen, hblue, start++, info); |
| if (rc) |
| return rc; |
| goto out; |
| } |
| if (crtc_funcs->load_lut) |
| crtc_funcs->load_lut(crtc); |
| } |
| out: |
| drm_modeset_unlock_all(dev); |
| return rc; |
| } |
| EXPORT_SYMBOL(drm_fb_helper_setcmap); |