[PATCH 12/15] drm/arm/komeda: remove dependency on DRM simple helpers

Diogo Silva diogompaissilva at gmail.com
Sat Jul 18 16:35:43 PDT 2026


The simple KMS helpers are deprecated because they only add an
intermediate layer between drivers and atomic modesetting.

Open-code drm_simple_encoder_init() by calling drm_encoder_init()
directly and providing driver-local drm_encoder_funcs.

Signed-off-by: Diogo Silva <diogompaissilva at gmail.com>
---
 drivers/gpu/drm/arm/display/komeda/komeda_crtc.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
index e8cb782a6f8e..719568d9f7c2 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
@@ -11,9 +11,9 @@
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
+#include <drm/drm_encoder.h>
 #include <drm/drm_print.h>
 #include <drm/drm_vblank.h>
-#include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_bridge.h>
 
 #include "komeda_dev.h"
@@ -635,6 +635,10 @@ static int komeda_attach_bridge(struct device *dev,
 	return err;
 }
 
+static const struct drm_encoder_funcs komeda_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
 static int komeda_crtc_add(struct komeda_kms_dev *kms,
 			   struct komeda_crtc *kcrtc)
 {
@@ -658,7 +662,8 @@ static int komeda_crtc_add(struct komeda_kms_dev *kms,
 	 * bridge
 	 */
 	kcrtc->encoder.possible_crtcs = drm_crtc_mask(crtc);
-	err = drm_simple_encoder_init(base, encoder, DRM_MODE_ENCODER_TMDS);
+	err = drm_encoder_init(base, encoder, &komeda_encoder_funcs,
+			       DRM_MODE_ENCODER_TMDS, NULL);
 	if (err)
 		return err;
 

-- 
2.54.0




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