drm: mxsfb: Use simple encoder

Commit Message

tiantao (H) March 10, 2021, 7:40 a.m. UTC

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

Signed-off-by: Tian Tao <[e-mail]>
---
 drivers/gpu/drm/mxsfb/mxsfb_kms.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

Patch

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_kms.c b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
index 300e7bab..0975930 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_kms.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_kms.c
@@ -25,6 +25,7 @@ 
 #include <drm/drm_gem_cma_helper.h>
 #include <drm/drm_plane.h>
 #include <drm/drm_plane_helper.h>
+#include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_vblank.h>
 
 #include "mxsfb_drv.h"
@@ -390,14 +391,6 @@  static const struct drm_crtc_funcs mxsfb_crtc_funcs = {
 };
 
 /* -----------------------------------------------------------------------------
- * Encoder
- */
-
-static const struct drm_encoder_funcs mxsfb_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-/* -----------------------------------------------------------------------------
  * Planes
  */
 
@@ -584,6 +577,5 @@  int mxsfb_kms_init(struct mxsfb_drm_private *mxsfb)
 		return ret;
 
 	encoder->possible_crtcs = drm_crtc_mask(crtc);
-	return drm_encoder_init(mxsfb->drm, encoder, &mxsfb_encoder_funcs,
-				DRM_MODE_ENCODER_NONE, NULL);
+	return drm_simple_encoder_init(mxsfb->drm, encoder, DRM_MODE_ENCODER_NONE);
 }