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

From: Jagan Teki <jagan@amarulasolutions.com>
To: Yannick Fertre <yannick.fertre@st.com>,
	Philippe Cornu <philippe.cornu@st.com>,
	Benjamin Gaignard <benjamin.gaignard@linaro.org>,
	Vincent Abriou <vincent.abriou@st.com>
Cc: dri-devel@lists.freedesktop.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-amarula@amarulasolutions.com,
	Jagan Teki <jagan@amarulasolutions.com>
Subject: [PATCH] drm/stm: ltdc: Use simple encoder
Date: Tue,  2 Mar 2021 23:27:00 +0530	[thread overview]
Message-ID: <20210302175700.28640-1-jagan@amarulasolutions.com> (raw)

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

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 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

