[PATCH 01/17] drm/imx: drop useless best_encoder callback

[Marco Felsch <m.felsch@xxxxxxxxxxxxxx>]

The best_encoder() callback is used by the drm-core to find an encoder
if the connector is connected to multiple encoders but the parallel, tve
and ldb uses always the 1-encoder : 1-connector setup. Such a simple
setup can be handled by the drm-core.

Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/imx/imx-ldb.c          | 9 ---------
 drivers/gpu/drm/imx/imx-tve.c          | 9 ---------
 drivers/gpu/drm/imx/parallel-display.c | 9 ---------
 3 files changed, 27 deletions(-)

diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 8cb2665b2c74..cd399058b00e 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -155,14 +155,6 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector)
 	return num_modes;
 }
 
-static struct drm_encoder *imx_ldb_connector_best_encoder(
-		struct drm_connector *connector)
-{
-	struct imx_ldb_channel *imx_ldb_ch = con_to_imx_ldb_ch(connector);
-
-	return &imx_ldb_ch->encoder;
-}
-
 static void imx_ldb_set_clock(struct imx_ldb *ldb, int mux, int chno,
 		unsigned long serial_clk, unsigned long di_clk)
 {
@@ -390,7 +382,6 @@ static const struct drm_connector_funcs imx_ldb_connector_funcs = {
 
 static const struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs = {
 	.get_modes = imx_ldb_connector_get_modes,
-	.best_encoder = imx_ldb_connector_best_encoder,
 };
 
 static const struct drm_encoder_funcs imx_ldb_encoder_funcs = {
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index 5bbfaa2cd0f4..e113014a1a79 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -259,14 +259,6 @@ static int imx_tve_connector_mode_valid(struct drm_connector *connector,
 	return MODE_BAD;
 }
 
-static struct drm_encoder *imx_tve_connector_best_encoder(
-		struct drm_connector *connector)
-{
-	struct imx_tve *tve = con_to_tve(connector);
-
-	return &tve->encoder;
-}
-
 static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
 				     struct drm_display_mode *orig_mode,
 				     struct drm_display_mode *mode)
@@ -344,7 +336,6 @@ static const struct drm_connector_funcs imx_tve_connector_funcs = {
 
 static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs = {
 	.get_modes = imx_tve_connector_get_modes,
-	.best_encoder = imx_tve_connector_best_encoder,
 	.mode_valid = imx_tve_connector_mode_valid,
 };
 
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 3dca424059f7..b2dbf0bc4cdc 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -81,14 +81,6 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
 	return num_modes;
 }
 
-static struct drm_encoder *imx_pd_connector_best_encoder(
-		struct drm_connector *connector)
-{
-	struct imx_parallel_display *imxpd = con_to_imxpd(connector);
-
-	return &imxpd->encoder;
-}
-
 static void imx_pd_encoder_enable(struct drm_encoder *encoder)
 {
 	struct imx_parallel_display *imxpd = enc_to_imxpd(encoder);
@@ -136,7 +128,6 @@ static const struct drm_connector_funcs imx_pd_connector_funcs = {
 
 static const struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
 	.get_modes = imx_pd_connector_get_modes,
-	.best_encoder = imx_pd_connector_best_encoder,
 };
 
 static const struct drm_encoder_funcs imx_pd_encoder_funcs = {
-- 
2.20.1

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