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@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/rcar-du/rcar_du_drv.h | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
index c5b9ea6a7eaa..d1ede13cb1d5 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h
@@ -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,
--
2.0.5
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