hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/rcar-du/rcar_du_drv.h
View File

@ -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,