linux-kernel - [PATCH 1/2] drm: rcar-du: Refactor Feature and Quirk definitions

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Message-Id: <20180820160044.15783-2-kieran.bingham+renesas@ideasonboard.com>
Date:   Mon, 20 Aug 2018 17:00:43 +0100
From:   Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        David Airlie <airlied@...ux.ie>
Cc:     dri-devel@...ts.freedesktop.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
Subject: [PATCH 1/2] drm: rcar-du: Refactor Feature and Quirk definitions

These flags are represented by bit fields. To make this clear, utilise
the BIT() macro.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>

---
This patch fails checkpatch's 80-char limit, due to the line comments
extending across the 80-char boundary on RCAR_DU_FEATURE_EXT_CTRL_REGS

To preserve formatting - this warning has been ignored.

 drivers/gpu/drm/rcar-du/rcar_du_drv.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
index b3a25e8e07d0..78ea20abfb30 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -27,11 +27,11 @@ struct drm_device;
 struct drm_fbdev_cma;
 struct rcar_du_device;
 
-#define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK	(1 << 0)	/* Per-CRTC IRQ and clock */
-#define RCAR_DU_FEATURE_EXT_CTRL_REGS	(1 << 1)	/* Has extended control registers */
-#define RCAR_DU_FEATURE_VSP1_SOURCE	(1 << 2)	/* Has inputs from VSP1 */
+#define RCAR_DU_FEATURE_CRTC_IRQ_CLOCK	BIT(0)	/* Per-CRTC IRQ and clock */
+#define RCAR_DU_FEATURE_EXT_CTRL_REGS	BIT(1)	/* Has extended control registers */
+#define RCAR_DU_FEATURE_VSP1_SOURCE	BIT(2)	/* Has inputs from VSP1 */
 
-#define RCAR_DU_QUIRK_ALIGN_128B	(1 << 0)	/* Align pitches to 128 bytes */
+#define RCAR_DU_QUIRK_ALIGN_128B	BIT(0)	/* Align pitches to 128 bytes */
 
 /*
  * struct rcar_du_output_routing - Output routing specification
-- 
2.17.1