linux-kernel - [PATCH v4 01/16] drm/bochs: encoder cleanup

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Date:   Fri, 11 Jan 2019 06:37:37 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...hat.com>
Cc:     andr2000@...il.com, noralf@...nnes.org,
        Gerd Hoffmann <kraxel@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        virtualization@...ts.linux-foundation.org (open list:DRM DRIVER FOR
        BOCHS VIRTUAL GPU), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v4 01/16] drm/bochs: encoder cleanup

Most unused callbacks can be NULL pointers these days.
Drop a bunch of empty encoder callbacks.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
Reviewed-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@...m.com>
Acked-by: Daniel Vetter <daniel.vetter@...ll.ch>
---
 drivers/gpu/drm/bochs/bochs_kms.c | 26 --------------------------
 1 file changed, 26 deletions(-)

diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index f87c284dd9..c8ce54498d 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -170,31 +170,6 @@ static void bochs_crtc_init(struct drm_device *dev)
 	drm_crtc_helper_add(crtc, &bochs_helper_funcs);
 }
 
-static void bochs_encoder_mode_set(struct drm_encoder *encoder,
-				   struct drm_display_mode *mode,
-				   struct drm_display_mode *adjusted_mode)
-{
-}
-
-static void bochs_encoder_dpms(struct drm_encoder *encoder, int state)
-{
-}
-
-static void bochs_encoder_prepare(struct drm_encoder *encoder)
-{
-}
-
-static void bochs_encoder_commit(struct drm_encoder *encoder)
-{
-}
-
-static const struct drm_encoder_helper_funcs bochs_encoder_helper_funcs = {
-	.dpms = bochs_encoder_dpms,
-	.mode_set = bochs_encoder_mode_set,
-	.prepare = bochs_encoder_prepare,
-	.commit = bochs_encoder_commit,
-};
-
 static const struct drm_encoder_funcs bochs_encoder_encoder_funcs = {
 	.destroy = drm_encoder_cleanup,
 };
@@ -207,7 +182,6 @@ static void bochs_encoder_init(struct drm_device *dev)
 	encoder->possible_crtcs = 0x1;
 	drm_encoder_init(dev, encoder, &bochs_encoder_encoder_funcs,
 			 DRM_MODE_ENCODER_DAC, NULL);
-	drm_encoder_helper_add(encoder, &bochs_encoder_helper_funcs);
 }
 
 
-- 
2.9.3