From c03adcddd5413e829e9cf63e8a7074a4c3d19d12 Mon Sep 17 00:00:00 2001
From: Diogo Silva <diogompaissilva@gmail.com>
Date: Tue, 7 Jul 2026 18:14:55 +0200
Subject: [PATCH] drm/qxl: remove dependency on DRM simple helpers

Simple KMS helper are deprecated since they only add an intermediate
layer between drivers and the atomic modesetting.
This patch removes the drm_simple_encoder_init() helper usage in the
qxl display driver by open coding it and using the encoder atomic
helpers directly. This is a step to eventually get rid of this simple
KMS helper, once all drivers that use it have been converted.

Signed-off-by: Diogo Silva <diogompaissilva@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/20260707-qxl-simple-v2-1-08d21bc74a41@gmail.com
---
 drivers/gpu/drm/qxl/qxl_display.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index a026bd35ef48..7f4178800afd 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -31,12 +31,12 @@
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_encoder.h>
 #include <drm/drm_framebuffer.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
-#include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_gem_atomic_helper.h>
 #include <drm/drm_vblank.h>
 #include <drm/drm_vblank_helper.h>
@@ -1095,6 +1095,10 @@ static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
 	.best_encoder = qxl_best_encoder,
 };
 
+static const struct drm_encoder_funcs qxl_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
 static enum drm_connector_status qxl_conn_detect(
 			struct drm_connector *connector,
 			bool force)
@@ -1169,10 +1173,10 @@ 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);
 
-	ret = drm_simple_encoder_init(dev, &qxl_output->enc,
-				      DRM_MODE_ENCODER_VIRTUAL);
+	ret = drm_encoder_init(dev, &qxl_output->enc, &qxl_encoder_funcs,
+			       DRM_MODE_ENCODER_VIRTUAL, NULL);
 	if (ret) {
-		drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
+		drm_err(dev, "drm_encoder_init() failed, error %d\n",
 			ret);
 		goto err_drm_connector_cleanup;
 	}