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| author | Andrzej Hajda <a.hajda@samsung.com> | 2014-05-19 12:54:10 +0200 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2014-06-02 02:07:12 +0900 |
| commit | b0e08823ca5345a5e4188d3abced1dc2565cc66c (patch) | |
| tree | a92d50692407f3d8d1a1e9f695c0c101e78093d7 /drivers/gpu/drm/exynos/exynos_drm_fimc.c | |
| parent | 72d465aabccfc0ab8d27858b9d83967313bf02a9 (diff) | |
| download | linux-b0e08823ca5345a5e4188d3abced1dc2565cc66c.tar.bz2 | |
drm/exynos/fimc: simplify and rename fimc_dst_get_buf_seq
fimc_dst_get_buf_seq returns number of buffers
so the name should be fimc_dst_get_buf_count.
Function body has been simplified.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimc.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimc.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 9860d38df6fc..831dde9034c6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -58,7 +58,6 @@ #define FIMC_SHFACTOR 10 #define FIMC_BUF_STOP 1 #define FIMC_BUF_START 2 -#define FIMC_REG_SZ 32 #define FIMC_WIDTH_ITU_709 1280 #define FIMC_REFRESH_MAX 60 #define FIMC_REFRESH_MIN 12 @@ -1123,16 +1122,13 @@ static int fimc_dst_set_size(struct device *dev, int swap, return 0; } -static int fimc_dst_get_buf_seq(struct fimc_context *ctx) +static int fimc_dst_get_buf_count(struct fimc_context *ctx) { - u32 cfg, i, buf_num = 0; - u32 mask = 0x00000001; + u32 cfg, buf_num; cfg = fimc_read(ctx, EXYNOS_CIFCNTSEQ); - for (i = 0; i < FIMC_REG_SZ; i++) - if (cfg & (mask << i)) - buf_num++; + buf_num = hweight32(cfg); DRM_DEBUG_KMS("buf_num[%d]\n", buf_num); @@ -1176,12 +1172,12 @@ static int fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id, /* interrupt enable */ if (buf_type == IPP_BUF_ENQUEUE && - fimc_dst_get_buf_seq(ctx) >= FIMC_BUF_START) + fimc_dst_get_buf_count(ctx) >= FIMC_BUF_START) fimc_mask_irq(ctx, true); /* interrupt disable */ if (buf_type == IPP_BUF_DEQUEUE && - fimc_dst_get_buf_seq(ctx) <= FIMC_BUF_STOP) + fimc_dst_get_buf_count(ctx) <= FIMC_BUF_STOP) fimc_mask_irq(ctx, false); err_unlock: |