From d25a40a7b34602e6a71ba5b03d54a765cf8c7b0d Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Fri, 10 Aug 2018 15:29:01 +0200 Subject: [PATCH] drm/exynos: gsc: Add support for tiled formats Add support for 16x16 tiled NV12 and NV21 formats. Signed-off-by: Marek Szyprowski Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_gsc.c | 46 ++++++++++++++++++------- 1 file changed, 34 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 7ba414b52faa..ce15d46bfce8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -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++) { -- 2.30.2