| 73,9 → 73,6 |
|---|
| * &drm_crtc_helper_funcs, struct &drm_encoder_helper_funcs and struct |
| * &drm_connector_helper_funcs. |
| */ |
| MODULE_AUTHOR("David Airlie, Jesse Barnes"); |
| MODULE_DESCRIPTION("DRM KMS helper"); |
| MODULE_LICENSE("GPL and additional rights"); |
| |
| /** |
| * drm_helper_move_panel_connectors_to_head() - move panels to the front in the |
| 220,6 → 217,15 |
|---|
| * disconnected connectors. Then it will disable all unused encoders and CRTCs |
| * either by calling their disable callback if available or by calling their |
| * dpms callback with DRM_MODE_DPMS_OFF. |
| * |
| * NOTE: |
| * |
| * This function is part of the legacy modeset helper library and will cause |
| * major confusion with atomic drivers. This is because atomic helpers guarantee |
| * to never call ->disable() hooks on a disabled function, or ->enable() hooks |
| * on an enabled functions. drm_helper_disable_unused_functions() on the other |
| * hand throws such guarantees into the wind and calls disable hooks |
| * unconditionally on unused functions. |
| */ |
| void drm_helper_disable_unused_functions(struct drm_device *dev) |
| { |
| 328,6 → 334,7 |
|---|
| } |
| |
| encoder_funcs = encoder->helper_private; |
| if (encoder_funcs->mode_fixup) { |
| if (!(ret = encoder_funcs->mode_fixup(encoder, mode, |
| adjusted_mode))) { |
| DRM_DEBUG_KMS("Encoder fixup failed\n"); |
| 334,11 → 341,15 |
|---|
| goto done; |
| } |
| } |
| } |
| |
| if (!(ret = crtc_funcs->mode_fixup(crtc, mode, adjusted_mode))) { |
| if (crtc_funcs->mode_fixup) { |
| if (!(ret = crtc_funcs->mode_fixup(crtc, mode, |
| adjusted_mode))) { |
| DRM_DEBUG_KMS("CRTC fixup failed\n"); |
| goto done; |
| } |
| } |
| DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name); |
| |
| crtc->hwmode = *adjusted_mode; |
| 578,8 → 589,6 |
|---|
| if (set->crtc->primary->fb == NULL) { |
| DRM_DEBUG_KMS("crtc has no fb, full mode set\n"); |
| mode_changed = true; |
| } else if (set->fb == NULL) { |
| mode_changed = true; |
| } else if (set->fb->pixel_format != |
| set->crtc->primary->fb->pixel_format) { |
| mode_changed = true; |
| 590,7 → 599,7 |
|---|
| if (set->x != set->crtc->x || set->y != set->crtc->y) |
| fb_changed = true; |
| |
| if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) { |
| if (!drm_mode_equal(set->mode, &set->crtc->mode)) { |
| DRM_DEBUG_KMS("modes are different, full mode set\n"); |
| drm_mode_debug_printmodeline(&set->crtc->mode); |
| drm_mode_debug_printmodeline(set->mode); |
| 1066,3 → 1075,36 |
|---|
| return drm_plane_helper_commit(plane, plane_state, old_fb); |
| } |
| EXPORT_SYMBOL(drm_helper_crtc_mode_set_base); |
| |
| /** |
| * drm_helper_crtc_enable_color_mgmt - enable color management properties |
| * @crtc: DRM CRTC |
| * @degamma_lut_size: the size of the degamma lut (before CSC) |
| * @gamma_lut_size: the size of the gamma lut (after CSC) |
| * |
| * This function lets the driver enable the color correction properties on a |
| * CRTC. This includes 3 degamma, csc and gamma properties that userspace can |
| * set and 2 size properties to inform the userspace of the lut sizes. |
| */ |
| void drm_helper_crtc_enable_color_mgmt(struct drm_crtc *crtc, |
| int degamma_lut_size, |
| int gamma_lut_size) |
| { |
| struct drm_device *dev = crtc->dev; |
| struct drm_mode_config *config = &dev->mode_config; |
| |
| drm_object_attach_property(&crtc->base, |
| config->degamma_lut_property, 0); |
| drm_object_attach_property(&crtc->base, |
| config->ctm_property, 0); |
| drm_object_attach_property(&crtc->base, |
| config->gamma_lut_property, 0); |
| |
| drm_object_attach_property(&crtc->base, |
| config->degamma_lut_size_property, |
| degamma_lut_size); |
| drm_object_attach_property(&crtc->base, |
| config->gamma_lut_size_property, |
| gamma_lut_size); |
| } |
| EXPORT_SYMBOL(drm_helper_crtc_enable_color_mgmt); |