Merge tag 'drm-misc-next-2020-03-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.7:

UAPI Changes:

Cross-subsystem Changes:

Core Changes:

Driver Changes:
 - fb-helper: Remove drm_fb_helper_{add,add_all,remove}_one_connector
 - fbdev: some cleanups and dead-code removal
 - Conversions to simple-encoder
 - zero-length array removal
 - Panel: panel-dpi support in panel-simple, Novatek NT35510, Elida
   KD35T133,

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200309135439.dicfnbo4ikj4tkz7@gilmour

1 files changed, 14 insertions, 15 deletions

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index ab4f8dd00400..09583a08e141 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -31,6 +31,7 @@
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 
 #include "qxl_drv.h"
 #include "qxl_object.h"
@@ -1007,9 +1008,6 @@ static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
 	return &qxl_output->enc;
 }
 
-static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
-};
-
 static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
 	.get_modes = qxl_conn_get_modes,
 	.mode_valid = qxl_conn_mode_valid,
@@ -1059,15 +1057,6 @@ static const struct drm_connector_funcs qxl_connector_funcs = {
 	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 };
 
-static void qxl_enc_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs qxl_enc_funcs = {
-	.destroy = qxl_enc_destroy,
-};
-
 static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
 {
 	if (qdev->hotplug_mode_update_property)
@@ -1086,6 +1075,7 @@ static int qdev_output_init(struct drm_device *dev, int num_output)
 	struct qxl_output *qxl_output;
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
+	int ret;
 
 	qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
 	if (!qxl_output)
@@ -1098,15 +1088,19 @@ static int qdev_output_init(struct drm_device *dev, int num_output)
 	drm_connector_init(dev, &qxl_output->base,
 			   &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
 
-	drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
-			 DRM_MODE_ENCODER_VIRTUAL, NULL);
+	ret = drm_simple_encoder_init(dev, &qxl_output->enc,
+				      DRM_MODE_ENCODER_VIRTUAL);
+	if (ret) {
+		drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
+			ret);
+		goto err_drm_connector_cleanup;
+	}
 
 	/* we get HPD via client monitors config */
 	connector->polled = DRM_CONNECTOR_POLL_HPD;
 	encoder->possible_crtcs = 1 << num_output;
 	drm_connector_attach_encoder(&qxl_output->base,
 					  &qxl_output->enc);
-	drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
 	drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
 
 	drm_object_attach_property(&connector->base,
@@ -1116,6 +1110,11 @@ static int qdev_output_init(struct drm_device *dev, int num_output)
 	drm_object_attach_property(&connector->base,
 				   dev->mode_config.suggested_y_property, 0);
 	return 0;
+
+err_drm_connector_cleanup:
+	drm_connector_cleanup(&qxl_output->base);
+	kfree(qxl_output);
+	return ret;
 }
 
 static struct drm_framebuffer *