drm/imx: Use simple encoder

The imx driver uses empty implementations for its encoders. Replace
the code with the generic simple encoder.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Laurent Pinchart <[e-mail]>
Acked-by: Daniel Vetter <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/imx/dw_hdmi-imx.c

···
 #include <drm/drm_edid.h>
 #include <drm/drm_encoder.h>
 #include <drm/drm_of.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "imx-drm.h"
 
···
 	.atomic_check = dw_hdmi_imx_atomic_check,
 };
 
-static const struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
 static enum drm_mode_status
 imx6q_hdmi_mode_valid(struct drm_connector *con,
 		      const struct drm_display_mode *mode)
···
 		return ret;
 
 	drm_encoder_helper_add(encoder, &dw_hdmi_imx_encoder_helper_funcs);
-	drm_encoder_init(drm, encoder, &dw_hdmi_imx_encoder_funcs,
-			 DRM_MODE_ENCODER_TMDS, NULL);
+	drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
 
 	platform_set_drvdata(pdev, hdmi);
 

drivers/gpu/drm/imx/imx-drm-core.c

···
 }
 EXPORT_SYMBOL_GPL(imx_drm_connector_destroy);
 
-void imx_drm_encoder_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy);
-
 static int imx_drm_atomic_check(struct drm_device *dev,
 				struct drm_atomic_state *state)
 {

drivers/gpu/drm/imx/imx-drm.h

···
 	struct drm_encoder *encoder, struct device_node *np);
 
 void imx_drm_connector_destroy(struct drm_connector *connector);
-void imx_drm_encoder_destroy(struct drm_encoder *encoder);
 
 int ipu_planes_assign_pre(struct drm_device *dev,
 			  struct drm_atomic_state *state);

drivers/gpu/drm/imx/imx-ldb.c

···
 #include <drm/drm_panel.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "imx-drm.h"
 
···
 	.best_encoder = imx_ldb_connector_best_encoder,
 };
 
-static const struct drm_encoder_funcs imx_ldb_encoder_funcs = {
-	.destroy = imx_drm_encoder_destroy,
-};
-
 static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = {
 	.atomic_mode_set = imx_ldb_encoder_atomic_mode_set,
 	.enable = imx_ldb_encoder_enable,
···
 	}
 
 	drm_encoder_helper_add(encoder, &imx_ldb_encoder_helper_funcs);
-	drm_encoder_init(drm, encoder, &imx_ldb_encoder_funcs,
-			 DRM_MODE_ENCODER_LVDS, NULL);
+	drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_LVDS);
 
 	if (imx_ldb_ch->bridge) {
 		ret = drm_bridge_attach(&imx_ldb_ch->encoder,

drivers/gpu/drm/imx/imx-tve.c

···
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "imx-drm.h"
 
···
 	.mode_valid = imx_tve_connector_mode_valid,
 };
 
-static const struct drm_encoder_funcs imx_tve_encoder_funcs = {
-	.destroy = imx_drm_encoder_destroy,
-};
-
 static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
 	.mode_set = imx_tve_encoder_mode_set,
 	.enable = imx_tve_encoder_enable,
···
 		return ret;
 
 	drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs);
-	drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs,
-			 encoder_type, NULL);
+	drm_simple_encoder_init(drm, &tve->encoder, encoder_type);
 
 	drm_connector_helper_add(&tve->connector,
 			&imx_tve_connector_helper_funcs);

drivers/gpu/drm/imx/parallel-display.c

···
 #include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "imx-drm.h"
 
···
 	.best_encoder = imx_pd_connector_best_encoder,
 };
 
-static const struct drm_encoder_funcs imx_pd_encoder_funcs = {
-	.destroy = imx_drm_encoder_destroy,
-};
-
 static const struct drm_bridge_funcs imx_pd_bridge_funcs = {
 	.enable = imx_pd_bridge_enable,
 	.disable = imx_pd_bridge_disable,
···
 	 */
 	imxpd->connector.dpms = DRM_MODE_DPMS_OFF;
 
-	drm_encoder_init(drm, encoder, &imx_pd_encoder_funcs,
-			 DRM_MODE_ENCODER_NONE, NULL);
+	drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_NONE);
 
 	imxpd->bridge.funcs = &imx_pd_bridge_funcs;
 	drm_bridge_attach(encoder, &imxpd->bridge, NULL, 0);