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drm/exynos/fimc: simplify and rename fimc_dst_get_buf_seq

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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>
This commit is contained in:
Andrzej Hajda 2014-05-19 12:54:10 +02:00 committed by Inki Dae
parent 72d465aabc
commit b0e08823ca
1 changed files with 5 additions and 9 deletions
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14
drivers/gpu/drm/exynos/exynos_drm_fimc.c
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@ -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: