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Line 71... Line 71...
71 
 * These legacy modeset helpers use the same function table structures as
 71 
 * These legacy modeset helpers use the same function table structures as
72 
 * all other modesetting helpers. See the documentation for struct
 72 
 * all other modesetting helpers. See the documentation for struct
73 
 * &drm_crtc_helper_funcs, struct &drm_encoder_helper_funcs and struct
 73 
 * &drm_crtc_helper_funcs, struct &drm_encoder_helper_funcs and struct
74 
 * &drm_connector_helper_funcs.
 74 
 * &drm_connector_helper_funcs.
75 
 */
 75 
 */
76 
MODULE_AUTHOR("David Airlie, Jesse Barnes");
 - 
 
77 
MODULE_DESCRIPTION("DRM KMS helper");
 - 
 
78 
MODULE_LICENSE("GPL and additional rights");
 - 
 
Line 79... Line 76...
79 
 
 76 
 
80 
/**
 77 
/**
81 
 * drm_helper_move_panel_connectors_to_head() - move panels to the front in the
 78 
 * drm_helper_move_panel_connectors_to_head() - move panels to the front in the
82 
 * 						connector list
 79 
 * 						connector list
Line 218... Line 215...
218 
 * This function walks through the entire mode setting configuration of @dev. It
 215 
 * This function walks through the entire mode setting configuration of @dev. It
219 
 * will remove any CRTC links of unused encoders and encoder links of
 216 
 * will remove any CRTC links of unused encoders and encoder links of
220 
 * disconnected connectors. Then it will disable all unused encoders and CRTCs
 217 
 * disconnected connectors. Then it will disable all unused encoders and CRTCs
221 
 * either by calling their disable callback if available or by calling their
 218 
 * either by calling their disable callback if available or by calling their
222 
 * dpms callback with DRM_MODE_DPMS_OFF.
 219 
 * dpms callback with DRM_MODE_DPMS_OFF.
- 
 
 220 
 *
- 
 
 221 
 * NOTE:
- 
 
 222 
 *
- 
 
 223 
 * This function is part of the legacy modeset helper library and will cause
- 
 
 224 
 * major confusion with atomic drivers. This is because atomic helpers guarantee
- 
 
 225 
 * to never call ->disable() hooks on a disabled function, or ->enable() hooks
- 
 
 226 
 * on an enabled functions. drm_helper_disable_unused_functions() on the other
- 
 
 227 
 * hand throws such guarantees into the wind and calls disable hooks
- 
 
 228 
 * unconditionally on unused functions.
223 
 */
 229 
 */
224 
void drm_helper_disable_unused_functions(struct drm_device *dev)
 230 
void drm_helper_disable_unused_functions(struct drm_device *dev)
225 
{
 231 
{
226 
	drm_modeset_lock_all(dev);
 232 
	drm_modeset_lock_all(dev);
227 
	__drm_helper_disable_unused_functions(dev);
 233 
	__drm_helper_disable_unused_functions(dev);
Line 326... Line 332...
326 
			DRM_DEBUG_KMS("Bridge fixup failed\n");
 332 
			DRM_DEBUG_KMS("Bridge fixup failed\n");
327 
			goto done;
 333 
			goto done;
328 
		}
 334 
		}
Line 329... Line 335...
329 
 
 335 
 
- 
 
 336 
		encoder_funcs = encoder->helper_private;
330 
		encoder_funcs = encoder->helper_private;
 337 
		if (encoder_funcs->mode_fixup) {
331 
		if (!(ret = encoder_funcs->mode_fixup(encoder, mode,
 338 
			if (!(ret = encoder_funcs->mode_fixup(encoder, mode,
332 
						      adjusted_mode))) {
 339 
							      adjusted_mode))) {
333 
			DRM_DEBUG_KMS("Encoder fixup failed\n");
 340 
				DRM_DEBUG_KMS("Encoder fixup failed\n");
334 
			goto done;
 341 
				goto done;
335 
		}
 342 
			}
- 
 
 343 
		}
Line -... Line 344...
- 
 
 344 
	}
336 
	}
 345 
 
- 
 
 346 
	if (crtc_funcs->mode_fixup) {
337 
 
 347 
		if (!(ret = crtc_funcs->mode_fixup(crtc, mode,
338 
	if (!(ret = crtc_funcs->mode_fixup(crtc, mode, adjusted_mode))) {
 348 
						adjusted_mode))) {
339 
		DRM_DEBUG_KMS("CRTC fixup failed\n");
 349 
			DRM_DEBUG_KMS("CRTC fixup failed\n");
- 
 
 350 
			goto done;
340 
		goto done;
 351 
		}
Line 341... Line 352...
341 
	}
 352 
	}
Line 342... Line 353...
342 
	DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
 353 
	DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
Line 576... Line 587...
576 
	if (set->crtc->primary->fb != set->fb) {
 587 
	if (set->crtc->primary->fb != set->fb) {
577 
		/* If we have no fb then treat it as a full mode set */
 588 
		/* If we have no fb then treat it as a full mode set */
578 
		if (set->crtc->primary->fb == NULL) {
 589 
		if (set->crtc->primary->fb == NULL) {
579 
			DRM_DEBUG_KMS("crtc has no fb, full mode set\n");
 590 
			DRM_DEBUG_KMS("crtc has no fb, full mode set\n");
580 
			mode_changed = true;
 591 
			mode_changed = true;
581 
		} else if (set->fb == NULL) {
 - 
 
582 
			mode_changed = true;
 - 
 
583 
		} else if (set->fb->pixel_format !=
 592 
		} else if (set->fb->pixel_format !=
584 
			   set->crtc->primary->fb->pixel_format) {
 593 
			   set->crtc->primary->fb->pixel_format) {
585 
			mode_changed = true;
 594 
			mode_changed = true;
586 
		} else
 595 
		} else
587 
			fb_changed = true;
 596 
			fb_changed = true;
588 
	}
 597 
	}
Line 589... Line 598...
589 
 
 598 
 
590 
	if (set->x != set->crtc->x || set->y != set->crtc->y)
 599 
	if (set->x != set->crtc->x || set->y != set->crtc->y)
Line 591... Line 600...
591 
		fb_changed = true;
 600 
		fb_changed = true;
592 
 
 601 
 
593 
	if (set->mode && !drm_mode_equal(set->mode, &set->crtc->mode)) {
 602 
	if (!drm_mode_equal(set->mode, &set->crtc->mode)) {
594 
		DRM_DEBUG_KMS("modes are different, full mode set\n");
 603 
		DRM_DEBUG_KMS("modes are different, full mode set\n");
595 
		drm_mode_debug_printmodeline(&set->crtc->mode);
 604 
		drm_mode_debug_printmodeline(&set->crtc->mode);
596 
		drm_mode_debug_printmodeline(set->mode);
 605 
		drm_mode_debug_printmodeline(set->mode);
Line 1064... Line 1073...
1064 
	plane_state->src_w = crtc->mode.hdisplay << 16;
 1073 
	plane_state->src_w = crtc->mode.hdisplay << 16;
Line 1065... Line 1074...
1065 
 
 1074 
 
1066 
	return drm_plane_helper_commit(plane, plane_state, old_fb);
 1075 
	return drm_plane_helper_commit(plane, plane_state, old_fb);
1067 
}
 1076 
}
- 
 
 1077 
EXPORT_SYMBOL(drm_helper_crtc_mode_set_base);
- 
 
 1078 
 
- 
 
 1079 
/**
- 
 
 1080 
 * drm_helper_crtc_enable_color_mgmt - enable color management properties
- 
 
 1081 
 * @crtc: DRM CRTC
- 
 
 1082 
 * @degamma_lut_size: the size of the degamma lut (before CSC)
- 
 
 1083 
 * @gamma_lut_size: the size of the gamma lut (after CSC)
- 
 
 1084 
 *
- 
 
 1085 
 * This function lets the driver enable the color correction properties on a
- 
 
 1086 
 * CRTC. This includes 3 degamma, csc and gamma properties that userspace can
- 
 
 1087 
 * set and 2 size properties to inform the userspace of the lut sizes.
- 
 
 1088 
 */
- 
 
 1089 
void drm_helper_crtc_enable_color_mgmt(struct drm_crtc *crtc,
- 
 
 1090 
				       int degamma_lut_size,
- 
 
 1091 
				       int gamma_lut_size)
- 
 
 1092 
{
- 
 
 1093 
	struct drm_device *dev = crtc->dev;
- 
 
 1094 
	struct drm_mode_config *config = &dev->mode_config;
- 
 
 1095 
 
- 
 
 1096 
	drm_object_attach_property(&crtc->base,
- 
 
 1097 
				   config->degamma_lut_property, 0);
- 
 
 1098 
	drm_object_attach_property(&crtc->base,
- 
 
 1099 
				   config->ctm_property, 0);
- 
 
 1100 
	drm_object_attach_property(&crtc->base,
- 
 
 1101 
				   config->gamma_lut_property, 0);
- 
 
 1102 
 
- 
 
 1103 
	drm_object_attach_property(&crtc->base,
- 
 
 1104 
				   config->degamma_lut_size_property,
- 
 
 1105 
				   degamma_lut_size);
- 
 
 1106 
	drm_object_attach_property(&crtc->base,
- 
 
 1107 
				   config->gamma_lut_size_property,
- 
 
 1108 
				   gamma_lut_size);
- 
 
 1109 
}