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drm/exynos: gsc: Add support for tiled formats 

Add support for 16x16 tiled NV12 and NV21 formats.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Marek Szyprowski 2018-08-10 15:29:01 +02:00 committed by Inki Dae
parent 5fb652c282
commit d25a40a7b3
1 changed files with 34 additions and 12 deletions
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46
drivers/gpu/drm/exynos/exynos_drm_gsc.c
View File

@ -448,7 +448,7 @@ static void gsc_handle_irq(struct gsc_context *ctx, bool enable,
}
static void gsc_src_set_fmt(struct gsc_context *ctx, u32 fmt)
static void gsc_src_set_fmt(struct gsc_context *ctx, u32 fmt, bool tiled)
{
u32 cfg;
@ -514,6 +514,9 @@ static void gsc_src_set_fmt(struct gsc_context *ctx, u32 fmt)
break;
}
if (tiled)
cfg |= (GSC_IN_TILE_C_16x8 | GSC_IN_TILE_MODE);
gsc_write(cfg, GSC_IN_CON);
}
@ -632,7 +635,7 @@ static void gsc_src_set_addr(struct gsc_context *ctx, u32 buf_id,
gsc_src_set_buf_seq(ctx, buf_id, true);
}
static void gsc_dst_set_fmt(struct gsc_context *ctx, u32 fmt)
static void gsc_dst_set_fmt(struct gsc_context *ctx, u32 fmt, bool tiled)
{
u32 cfg;
@ -698,6 +701,9 @@ static void gsc_dst_set_fmt(struct gsc_context *ctx, u32 fmt)
break;
}
if (tiled)
cfg |= (GSC_IN_TILE_C_16x8 | GSC_OUT_TILE_MODE);
gsc_write(cfg, GSC_OUT_CON);
}
@ -1122,11 +1128,11 @@ static int gsc_commit(struct exynos_drm_ipp *ipp,
return ret;
}
gsc_src_set_fmt(ctx, task->src.buf.fourcc);
gsc_src_set_fmt(ctx, task->src.buf.fourcc, task->src.buf.modifier);
gsc_src_set_transf(ctx, task->transform.rotation);
gsc_src_set_size(ctx, &task->src);
gsc_src_set_addr(ctx, 0, &task->src);
gsc_dst_set_fmt(ctx, task->dst.buf.fourcc);
gsc_dst_set_fmt(ctx, task->dst.buf.fourcc, task->dst.buf.modifier);
gsc_dst_set_size(ctx, &task->dst);
gsc_dst_set_addr(ctx, 0, &task->dst);
gsc_set_prescaler(ctx, &ctx->sc, &task->src.rect, &task->dst.rect);
@ -1200,6 +1206,10 @@ static const unsigned int gsc_formats[] = {
DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, DRM_FORMAT_YUV422,
};
static const unsigned int gsc_tiled_formats[] = {
DRM_FORMAT_NV12, DRM_FORMAT_NV21,
};
static int gsc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@ -1207,23 +1217,24 @@ static int gsc_probe(struct platform_device *pdev)
struct exynos_drm_ipp_formats *formats;
struct gsc_context *ctx;
struct resource *res;
int ret, i;
int num_formats, ret, i, j;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
formats = devm_kcalloc(dev,
ARRAY_SIZE(gsc_formats), sizeof(*formats),
GFP_KERNEL);
if (!formats)
return -ENOMEM;
driver_data = (struct gsc_driverdata *)of_device_get_match_data(dev);
ctx->dev = dev;
ctx->num_clocks = driver_data->num_clocks;
ctx->clk_names = driver_data->clk_names;
/* construct formats/limits array */
num_formats = ARRAY_SIZE(gsc_formats) + ARRAY_SIZE(gsc_tiled_formats);
formats = devm_kcalloc(dev, num_formats, sizeof(*formats), GFP_KERNEL);
if (!formats)
return -ENOMEM;
/* linear formats */
for (i = 0; i < ARRAY_SIZE(gsc_formats); i++) {
formats[i].fourcc = gsc_formats[i];
formats[i].type = DRM_EXYNOS_IPP_FORMAT_SOURCE |
@ -1231,8 +1242,19 @@ static int gsc_probe(struct platform_device *pdev)
formats[i].limits = driver_data->limits;
formats[i].num_limits = driver_data->num_limits;
}
/* tiled formats */
for (j = i, i = 0; i < ARRAY_SIZE(gsc_tiled_formats); j++, i++) {
formats[j].fourcc = gsc_tiled_formats[i];
formats[j].modifier = DRM_FORMAT_MOD_SAMSUNG_16_16_TILE;
formats[j].type = DRM_EXYNOS_IPP_FORMAT_SOURCE |
DRM_EXYNOS_IPP_FORMAT_DESTINATION;
formats[j].limits = driver_data->limits;
formats[j].num_limits = driver_data->num_limits;
}
ctx->formats = formats;
ctx->num_formats = ARRAY_SIZE(gsc_formats);
ctx->num_formats = num_formats;
/* clock control */
for (i = 0; i < ctx->num_clocks; i++) {