From: Sylwester Nawrocki <s.nawro...@samsung.com>
Fix DMA engine pixel offset calculation for 3-planar YUV formats.
On S5PV210 SoCs horizontal offset is applied as number of pixels,
not bytes per line.
Signed-off-by: Sylwester Nawrocki <s.nawro...@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
---
drivers/media/video/s5p-fimc/fimc-core.c | 87 +++++++++++++-----------------
1 files changed, 37 insertions(+), 50 deletions(-)
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c
b/drivers/media/video/s5p-fimc/fimc-core.c
index b03b856..e00026b 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -393,6 +393,37 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx)
dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
}
+static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
+{
+ struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
+
+ f->dma_offset.y_h = f->offs_h;
+ if (!variant->pix_hoff)
+ f->dma_offset.y_h *= (f->fmt->depth >> 3);
+
+ f->dma_offset.y_v = f->offs_v;
+
+ f->dma_offset.cb_h = f->offs_h;
+ f->dma_offset.cb_v = f->offs_v;
+
+ f->dma_offset.cr_h = f->offs_h;
+ f->dma_offset.cr_v = f->offs_v;
+
+ if (!variant->pix_hoff) {
+ if(f->fmt->planes_cnt == 3) {
+ f->dma_offset.cb_h >>= 1;
+ f->dma_offset.cr_h >>= 1;
+ }
+ if(f->fmt->color == S5P_FIMC_YCBCR420) {
+ f->dma_offset.cb_v >>= 1;
+ f->dma_offset.cr_v >>= 1;
+ }
+ }
+
+ dbg("in_offset: color= %d, y_h= %d, y_v= %d",
+ f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v);
+}
+
/**
* fimc_prepare_config - check dimensions, operation and color mode
* and pre-calculate offset and the scaling coefficients.
@@ -406,7 +437,6 @@ static int fimc_prepare_config(struct fimc_ctx *ctx, u32
flags)
{
struct fimc_frame *s_frame, *d_frame;
struct fimc_vid_buffer *buf = NULL;
- struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
int ret = 0;
s_frame = &ctx->s_frame;
@@ -419,61 +449,16 @@ static int fimc_prepare_config(struct fimc_ctx *ctx, u32
flags)
swap(d_frame->width, d_frame->height);
}
- /* Prepare the output offset ratios for scaler. */
- d_frame->dma_offset.y_h = d_frame->offs_h;
- if (!variant->pix_hoff)
- d_frame->dma_offset.y_h *= (d_frame->fmt->depth >> 3);
-
- d_frame->dma_offset.y_v = d_frame->offs_v;
+ /* Prepare the DMA offset ratios for scaler. */
+ fimc_prepare_dma_offset(ctx, &ctx->s_frame);
+ fimc_prepare_dma_offset(ctx, &ctx->d_frame);
- d_frame->dma_offset.cb_h = d_frame->offs_h;
- d_frame->dma_offset.cb_v = d_frame->offs_v;
-
- d_frame->dma_offset.cr_h = d_frame->offs_h;
- d_frame->dma_offset.cr_v = d_frame->offs_v;
-
- if (!variant->pix_hoff && d_frame->fmt->planes_cnt == 3) {
- d_frame->dma_offset.cb_h >>= 1;
- d_frame->dma_offset.cb_v >>= 1;
- d_frame->dma_offset.cr_h >>= 1;
- d_frame->dma_offset.cr_v >>= 1;
- }
-
- dbg("out offset: color= %d, y_h= %d, y_v= %d",
- d_frame->fmt->color,
- d_frame->dma_offset.y_h, d_frame->dma_offset.y_v);
-
- /* Prepare the input offset ratios for scaler. */
- s_frame->dma_offset.y_h = s_frame->offs_h;
- if (!variant->pix_hoff)
- s_frame->dma_offset.y_h *= (s_frame->fmt->depth >> 3);
- s_frame->dma_offset.y_v = s_frame->offs_v;
-
- s_frame->dma_offset.cb_h = s_frame->offs_h;
- s_frame->dma_offset.cb_v = s_frame->offs_v;
-
- s_frame->dma_offset.cr_h = s_frame->offs_h;
- s_frame->dma_offset.cr_v = s_frame->offs_v;
-
- if (!variant->pix_hoff && s_frame->fmt->planes_cnt == 3) {
- s_frame->dma_offset.cb_h >>= 1;
- s_frame->dma_offset.cb_v >>= 1;
- s_frame->dma_offset.cr_h >>= 1;
- s_frame->dma_offset.cr_v >>= 1;
- }
-
- dbg("in offset: color= %d, y_h= %d, y_v= %d",
- s_frame->fmt->color, s_frame->dma_offset.y_h,
- s_frame->dma_offset.y_v);
-
- fimc_set_yuv_order(ctx);
-
- /* Check against the scaler ratio. */
if (s_frame->height > (SCALER_MAX_VRATIO * d_frame->height) ||
s_frame->width > (SCALER_MAX_HRATIO * d_frame->width)) {
err("out of scaler range");
return -EINVAL;
}
+ fimc_set_yuv_order(ctx);
}
/* Input DMA mode is not allowed when the scaler is disabled. */
@@ -1494,6 +1479,7 @@ static struct samsung_fimc_variant fimc2_variant_s5p = {
};
static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
+ .pix_hoff = 1,
.has_inp_rot = 1,
.has_out_rot = 1,
.min_inp_pixsize = 16,
@@ -1508,6 +1494,7 @@ static struct samsung_fimc_variant fimc01_variant_s5pv210
= {
};
static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
+ .pix_hoff = 1,
.min_inp_pixsize = 16,
.min_out_pixsize = 32,
--
1.7.2.2
--
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