[PATCH] drm/stm: ltdc: Use simple encoder

From: Jagan Teki
Date: Tue Mar 02 2021 - 16:00:41 EST


STM ltdc driver uses an empty implementation for its encoder.
Replace the code with the generic simple encoder.

Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/stm/ltdc.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 7812094f93d6..aeeb43524ca0 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -31,6 +31,7 @@
#include <drm/drm_of.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/drm_vblank.h>

#include <video/videomode.h>
@@ -1020,14 +1021,6 @@ static int ltdc_crtc_init(struct drm_device *ddev, struct drm_crtc *crtc)
return ret;
}

-/*
- * DRM_ENCODER
- */
-
-static const struct drm_encoder_funcs ltdc_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static void ltdc_encoder_disable(struct drm_encoder *encoder)
{
struct drm_device *ddev = encoder->dev;
@@ -1088,8 +1081,7 @@ static int ltdc_encoder_init(struct drm_device *ddev, struct drm_bridge *bridge)
encoder->possible_crtcs = CRTC_MASK;
encoder->possible_clones = 0; /* No cloning support */

- drm_encoder_init(ddev, encoder, &ltdc_encoder_funcs,
- DRM_MODE_ENCODER_DPI, NULL);
+ drm_simple_encoder_init(ddev, encoder, DRM_MODE_ENCODER_DPI);

drm_encoder_helper_add(encoder, &ltdc_encoder_helper_funcs);

--
2.25.1