linux-kernel - [RESEND PATCH] staging: vboxvideo: remove dead gamma lut code

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Message-Id: <20170804104506.2414-1-peda@axentia.se>
Date:   Fri,  4 Aug 2017 12:45:06 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     Daniel Vetter <daniel.vetter@...el.com>
Cc:     Peter Rosin <peda@...ntia.se>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        vbox-dev@...tualbox.org,
        Michael Thayer <michael.thayer@...cle.com>,
        Hans de Goede <hdegoede@...hat.com>
Subject: [RESEND PATCH] staging: vboxvideo: remove dead gamma lut code

The redundant fb helpers .load_lut, .gamma_set and .gamma_get are
no longer used. Remove the dead code that was not doing anything
sensible anyway.

Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 drivers/staging/vboxvideo/vbox_fb.c   | 15 ---------------
 drivers/staging/vboxvideo/vbox_mode.c |  5 -----
 2 files changed, 20 deletions(-)

[This time with an improved Cc list, sorry for the noise. For new
 people, please refer to https://lkml.org/lkml/2017/7/13/593 for
 context]

Hi Daniel,

Here it goes, but do you really need me to resend v5 14/14?

Cheers,
peda

diff --git a/drivers/staging/vboxvideo/vbox_fb.c b/drivers/staging/vboxvideo/vbox_fb.c
index 35f6d9f8c203..bf6635826159 100644
--- a/drivers/staging/vboxvideo/vbox_fb.c
+++ b/drivers/staging/vboxvideo/vbox_fb.c
@@ -317,22 +317,7 @@ static int vboxfb_create(struct drm_fb_helper *helper,
 	return 0;
 }
 
-static void vbox_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
-			      u16 blue, int regno)
-{
-}
-
-static void vbox_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
-			      u16 *blue, int regno)
-{
-	*red = regno;
-	*green = regno;
-	*blue = regno;
-}
-
 static struct drm_fb_helper_funcs vbox_fb_helper_funcs = {
-	.gamma_set = vbox_fb_gamma_set,
-	.gamma_get = vbox_fb_gamma_get,
 	.fb_probe = vboxfb_create,
 };
 
diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c
index f2b85f3256fa..996da1c79158 100644
--- a/drivers/staging/vboxvideo/vbox_mode.c
+++ b/drivers/staging/vboxvideo/vbox_mode.c
@@ -134,10 +134,6 @@ static int vbox_set_view(struct drm_crtc *crtc)
 	return 0;
 }
 
-static void vbox_crtc_load_lut(struct drm_crtc *crtc)
-{
-}
-
 static void vbox_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
 	struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
@@ -330,7 +326,6 @@ static const struct drm_crtc_helper_funcs vbox_crtc_helper_funcs = {
 	.mode_set = vbox_crtc_mode_set,
 	/* .mode_set_base = vbox_crtc_mode_set_base, */
 	.disable = vbox_crtc_disable,
-	.load_lut = vbox_crtc_load_lut,
 	.prepare = vbox_crtc_prepare,
 	.commit = vbox_crtc_commit,
 };
-- 
2.11.0