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drm: rcar-du: Define macros for the max number of groups, CRTCs and LVDS

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Let's avoid magic constants. Beside increasing code readability, it will
also ensure that no location will be forgotten when raising the maximum
number of groups, CRTCs or LVDS encoders

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2015-02-25 18:21:12 +02:00
parent 931b733621
commit a64b9c7e56
1 changed files with 7 additions and 3 deletions
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10
drivers/gpu/drm/rcar-du/rcar_du_drv.h
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@ -64,6 +64,10 @@ struct rcar_du_device_info {
unsigned int num_lvds;
};
#define RCAR_DU_MAX_CRTCS 3
#define RCAR_DU_MAX_GROUPS DIV_ROUND_UP(RCAR_DU_MAX_CRTCS, 2)
#define RCAR_DU_MAX_LVDS 2
struct rcar_du_device {
struct device *dev;
const struct rcar_du_device_info *info;
@ -73,13 +77,13 @@ struct rcar_du_device {
struct drm_device *ddev;
struct drm_fbdev_cma *fbdev;
struct rcar_du_crtc crtcs[3];
struct rcar_du_crtc crtcs[RCAR_DU_MAX_CRTCS];
unsigned int num_crtcs;
struct rcar_du_group groups[2];
struct rcar_du_group groups[RCAR_DU_MAX_GROUPS];
unsigned int dpad0_source;
struct rcar_du_lvdsenc *lvds[2];
struct rcar_du_lvdsenc *lvds[RCAR_DU_MAX_LVDS];
};
static inline bool rcar_du_has(struct rcar_du_device *rcdu,