linux-kernel - [PATCH v2 14/14] drm: remove unused and redundant callbacks

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Message-Id: <1498111597-10714-15-git-send-email-peda@axentia.se>
Date:   Thu, 22 Jun 2017 08:06:37 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     linux-kernel@...r.kernel.org
Cc:     Peter Rosin <peda@...ntia.se>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Russell King <linux@...linux.org.uk>,
        Dave Airlie <airlied@...hat.com>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        Ben Skeggs <bskeggs@...hat.com>,
        Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Vincent Abriou <vincent.abriou@...com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        intel-gfx@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>
Subject: [PATCH v2 14/14] drm: remove unused and redundant callbacks

Drivers no longer have any need for these callbacks, and there are no
users. Zap. Zap-zap-zzzap-p-pp-p.

Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 include/drm/drm_fb_helper.h              | 32 --------------------------------
 include/drm/drm_modeset_helper_vtables.h | 16 ----------------
 2 files changed, 48 deletions(-)

diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 119e5e4..80d9853 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -85,38 +85,6 @@ struct drm_fb_helper_surface_size {
  */
 struct drm_fb_helper_funcs {
 	/**
-	 * @gamma_set:
-	 *
-	 * Set the given gamma LUT register on the given CRTC.
-	 *
-	 * This callback is optional.
-	 *
-	 * FIXME:
-	 *
-	 * This callback is functionally redundant with the core gamma table
-	 * support and simply exists because the fbdev hasn't yet been
-	 * refactored to use the core gamma table interfaces.
-	 */
-	void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
-			  u16 blue, int regno);
-	/**
-	 * @gamma_get:
-	 *
-	 * Read the given gamma LUT register on the given CRTC, used to save the
-	 * current LUT when force-restoring the fbdev for e.g. kdbg.
-	 *
-	 * This callback is optional.
-	 *
-	 * FIXME:
-	 *
-	 * This callback is functionally redundant with the core gamma table
-	 * support and simply exists because the fbdev hasn't yet been
-	 * refactored to use the core gamma table interfaces.
-	 */
-	void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
-			  u16 *blue, int regno);
-
-	/**
 	 * @fb_probe:
 	 *
 	 * Driver callback to allocate and initialize the fbdev info structure.
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 85984b2..0773db9 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -267,22 +267,6 @@ struct drm_crtc_helper_funcs {
 				    enum mode_set_atomic);
 
 	/**
-	 * @load_lut:
-	 *
-	 * Load a LUT prepared with the &drm_fb_helper_funcs.gamma_set vfunc.
-	 *
-	 * This callback is optional and is only used by the fbdev emulation
-	 * helpers.
-	 *
-	 * FIXME:
-	 *
-	 * This callback is functionally redundant with the core gamma table
-	 * support and simply exists because the fbdev hasn't yet been
-	 * refactored to use the core gamma table interfaces.
-	 */
-	void (*load_lut)(struct drm_crtc *crtc);
-
-	/**
 	 * @disable:
 	 *
 	 * This callback should be used to disable the CRTC. With the atomic
-- 
2.1.4